diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c795b05
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/build.sh b/build.sh
index 3655bfc..52be3c7 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,22 @@
-cd /home/chenzh/solvers/Light/solvers/kissat-inc;
-./configure && make;
-cd ..;
-cd ..;
-make clean; make;
\ No newline at end of file
+#!/bin/bash
+
+
+COMPILE_THREADS=16
+
+
+# build kissat
+
+cd kissat-inc
+./configure
+make -j $COMPILE_THREADS
+cd ..
+
+# build and copy light-solver
+
+make -C src-light-solver -j $COMPILE_THREADS
+cp src-light-solver/build/light-solver .
+
+# build and copy light-master
+
+make -C src-light-master -j $COMPILE_THREADS
+cp src-light-master/build/light-master .
\ No newline at end of file
diff --git a/configure.txt b/configure.txt
deleted file mode 100644
index 829ac5f..0000000
--- a/configure.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-p PRS 4 1
-kissat tier1=2 chrono=1
-kissat target=0 tier1=3
-kissat phase=1
-kissat stable=1 target=2 phase=1
\ No newline at end of file
diff --git a/solvers/kissat-inc/CONTRIBUTING b/kissat-inc/CONTRIBUTING
similarity index 100%
rename from solvers/kissat-inc/CONTRIBUTING
rename to kissat-inc/CONTRIBUTING
diff --git a/solvers/kissat-inc/LICENSE b/kissat-inc/LICENSE
similarity index 100%
rename from solvers/kissat-inc/LICENSE
rename to kissat-inc/LICENSE
diff --git a/solvers/kissat-inc/README.md b/kissat-inc/README.md
similarity index 100%
rename from solvers/kissat-inc/README.md
rename to kissat-inc/README.md
diff --git a/solvers/kissat-inc/VERSION b/kissat-inc/VERSION
similarity index 100%
rename from solvers/kissat-inc/VERSION
rename to kissat-inc/VERSION
diff --git a/solvers/kissat-inc/configure b/kissat-inc/configure
similarity index 100%
rename from solvers/kissat-inc/configure
rename to kissat-inc/configure
diff --git a/kissat-inc/makefile b/kissat-inc/makefile
new file mode 100644
index 0000000..2aa6faf
--- /dev/null
+++ b/kissat-inc/makefile
@@ -0,0 +1,17 @@
+all:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build"
+kissat:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" kissat
+tissat:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" tissat
+clean:
+	rm -f "/home/qianyh/projects/Light/kissat-inc"/makefile
+	-$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" clean
+	rm -rf "/home/qianyh/projects/Light/kissat-inc/build"
+coverage:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" coverage
+indent:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" indent
+test:
+	$(MAKE) -C "/home/qianyh/projects/Light/kissat-inc/build" test
+.PHONY: all clean coverage indent kissat test tissat
diff --git a/solvers/kissat-inc/makefile.in b/kissat-inc/makefile.in
similarity index 100%
rename from solvers/kissat-inc/makefile.in
rename to kissat-inc/makefile.in
diff --git a/solvers/kissat-inc/scripts/build-and-test-all-configurations.sh b/kissat-inc/scripts/build-and-test-all-configurations.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/build-and-test-all-configurations.sh
rename to kissat-inc/scripts/build-and-test-all-configurations.sh
diff --git a/solvers/kissat-inc/scripts/determine-coverage.sh b/kissat-inc/scripts/determine-coverage.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/determine-coverage.sh
rename to kissat-inc/scripts/determine-coverage.sh
diff --git a/solvers/kissat-inc/scripts/filter-coverage-output.sh b/kissat-inc/scripts/filter-coverage-output.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/filter-coverage-output.sh
rename to kissat-inc/scripts/filter-coverage-output.sh
diff --git a/solvers/kissat-inc/scripts/generate-build-header.sh b/kissat-inc/scripts/generate-build-header.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/generate-build-header.sh
rename to kissat-inc/scripts/generate-build-header.sh
diff --git a/solvers/kissat-inc/scripts/make-source-release.sh b/kissat-inc/scripts/make-source-release.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/make-source-release.sh
rename to kissat-inc/scripts/make-source-release.sh
diff --git a/solvers/kissat-inc/scripts/prepare-competition.sh b/kissat-inc/scripts/prepare-competition.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/prepare-competition.sh
rename to kissat-inc/scripts/prepare-competition.sh
diff --git a/solvers/kissat-inc/scripts/replace-terminated.sh b/kissat-inc/scripts/replace-terminated.sh
similarity index 100%
rename from solvers/kissat-inc/scripts/replace-terminated.sh
rename to kissat-inc/scripts/replace-terminated.sh
diff --git a/solvers/kissat-inc/src/.gdbinit b/kissat-inc/src/.gdbinit
similarity index 100%
rename from solvers/kissat-inc/src/.gdbinit
rename to kissat-inc/src/.gdbinit
diff --git a/solvers/kissat-inc/src/allocate.c b/kissat-inc/src/allocate.c
similarity index 100%
rename from solvers/kissat-inc/src/allocate.c
rename to kissat-inc/src/allocate.c
diff --git a/solvers/kissat-inc/src/allocate.h b/kissat-inc/src/allocate.h
similarity index 100%
rename from solvers/kissat-inc/src/allocate.h
rename to kissat-inc/src/allocate.h
diff --git a/solvers/kissat-inc/src/analyze.c b/kissat-inc/src/analyze.c
similarity index 100%
rename from solvers/kissat-inc/src/analyze.c
rename to kissat-inc/src/analyze.c
diff --git a/solvers/kissat-inc/src/analyze.h b/kissat-inc/src/analyze.h
similarity index 100%
rename from solvers/kissat-inc/src/analyze.h
rename to kissat-inc/src/analyze.h
diff --git a/solvers/kissat-inc/src/ands.c b/kissat-inc/src/ands.c
similarity index 100%
rename from solvers/kissat-inc/src/ands.c
rename to kissat-inc/src/ands.c
diff --git a/solvers/kissat-inc/src/ands.h b/kissat-inc/src/ands.h
similarity index 100%
rename from solvers/kissat-inc/src/ands.h
rename to kissat-inc/src/ands.h
diff --git a/solvers/kissat-inc/src/application.c b/kissat-inc/src/application.c
similarity index 100%
rename from solvers/kissat-inc/src/application.c
rename to kissat-inc/src/application.c
diff --git a/solvers/kissat-inc/src/application.h b/kissat-inc/src/application.h
similarity index 100%
rename from solvers/kissat-inc/src/application.h
rename to kissat-inc/src/application.h
diff --git a/solvers/kissat-inc/src/arena.c b/kissat-inc/src/arena.c
similarity index 100%
rename from solvers/kissat-inc/src/arena.c
rename to kissat-inc/src/arena.c
diff --git a/solvers/kissat-inc/src/arena.h b/kissat-inc/src/arena.h
similarity index 100%
rename from solvers/kissat-inc/src/arena.h
rename to kissat-inc/src/arena.h
diff --git a/solvers/kissat-inc/src/assign.c b/kissat-inc/src/assign.c
similarity index 100%
rename from solvers/kissat-inc/src/assign.c
rename to kissat-inc/src/assign.c
diff --git a/solvers/kissat-inc/src/assign.h b/kissat-inc/src/assign.h
similarity index 100%
rename from solvers/kissat-inc/src/assign.h
rename to kissat-inc/src/assign.h
diff --git a/solvers/kissat-inc/src/autarky.c b/kissat-inc/src/autarky.c
similarity index 100%
rename from solvers/kissat-inc/src/autarky.c
rename to kissat-inc/src/autarky.c
diff --git a/solvers/kissat-inc/src/autarky.h b/kissat-inc/src/autarky.h
similarity index 100%
rename from solvers/kissat-inc/src/autarky.h
rename to kissat-inc/src/autarky.h
diff --git a/solvers/kissat-inc/src/averages.c b/kissat-inc/src/averages.c
similarity index 100%
rename from solvers/kissat-inc/src/averages.c
rename to kissat-inc/src/averages.c
diff --git a/solvers/kissat-inc/src/averages.h b/kissat-inc/src/averages.h
similarity index 100%
rename from solvers/kissat-inc/src/averages.h
rename to kissat-inc/src/averages.h
diff --git a/solvers/kissat-inc/src/backtrack.c b/kissat-inc/src/backtrack.c
similarity index 100%
rename from solvers/kissat-inc/src/backtrack.c
rename to kissat-inc/src/backtrack.c
diff --git a/solvers/kissat-inc/src/backtrack.h b/kissat-inc/src/backtrack.h
similarity index 100%
rename from solvers/kissat-inc/src/backtrack.h
rename to kissat-inc/src/backtrack.h
diff --git a/solvers/kissat-inc/src/backward.c b/kissat-inc/src/backward.c
similarity index 100%
rename from solvers/kissat-inc/src/backward.c
rename to kissat-inc/src/backward.c
diff --git a/solvers/kissat-inc/src/backward.h b/kissat-inc/src/backward.h
similarity index 100%
rename from solvers/kissat-inc/src/backward.h
rename to kissat-inc/src/backward.h
diff --git a/solvers/kissat-inc/src/big.cnf b/kissat-inc/src/big.cnf
similarity index 100%
rename from solvers/kissat-inc/src/big.cnf
rename to kissat-inc/src/big.cnf
diff --git a/solvers/kissat-inc/src/build.c b/kissat-inc/src/build.c
similarity index 100%
rename from solvers/kissat-inc/src/build.c
rename to kissat-inc/src/build.c
diff --git a/solvers/kissat-inc/src/bump.c b/kissat-inc/src/bump.c
similarity index 100%
rename from solvers/kissat-inc/src/bump.c
rename to kissat-inc/src/bump.c
diff --git a/solvers/kissat-inc/src/bump.h b/kissat-inc/src/bump.h
similarity index 100%
rename from solvers/kissat-inc/src/bump.h
rename to kissat-inc/src/bump.h
diff --git a/solvers/kissat-inc/src/check.c b/kissat-inc/src/check.c
similarity index 100%
rename from solvers/kissat-inc/src/check.c
rename to kissat-inc/src/check.c
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similarity index 100%
rename from solvers/kissat-inc/src/check.h
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diff --git a/solvers/kissat-inc/src/clause.c b/kissat-inc/src/clause.c
similarity index 100%
rename from solvers/kissat-inc/src/clause.c
rename to kissat-inc/src/clause.c
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similarity index 100%
rename from solvers/kissat-inc/src/clause.h
rename to kissat-inc/src/clause.h
diff --git a/solvers/kissat-inc/src/clueue.c b/kissat-inc/src/clueue.c
similarity index 100%
rename from solvers/kissat-inc/src/clueue.c
rename to kissat-inc/src/clueue.c
diff --git a/solvers/kissat-inc/src/clueue.h b/kissat-inc/src/clueue.h
similarity index 100%
rename from solvers/kissat-inc/src/clueue.h
rename to kissat-inc/src/clueue.h
diff --git a/solvers/kissat-inc/src/collect.c b/kissat-inc/src/collect.c
similarity index 100%
rename from solvers/kissat-inc/src/collect.c
rename to kissat-inc/src/collect.c
diff --git a/solvers/kissat-inc/src/collect.h b/kissat-inc/src/collect.h
similarity index 100%
rename from solvers/kissat-inc/src/collect.h
rename to kissat-inc/src/collect.h
diff --git a/solvers/kissat-inc/src/colors.c b/kissat-inc/src/colors.c
similarity index 100%
rename from solvers/kissat-inc/src/colors.c
rename to kissat-inc/src/colors.c
diff --git a/solvers/kissat-inc/src/colors.h b/kissat-inc/src/colors.h
similarity index 100%
rename from solvers/kissat-inc/src/colors.h
rename to kissat-inc/src/colors.h
diff --git a/solvers/kissat-inc/src/compact.c b/kissat-inc/src/compact.c
similarity index 100%
rename from solvers/kissat-inc/src/compact.c
rename to kissat-inc/src/compact.c
diff --git a/solvers/kissat-inc/src/compact.h b/kissat-inc/src/compact.h
similarity index 100%
rename from solvers/kissat-inc/src/compact.h
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diff --git a/solvers/kissat-inc/src/config.c b/kissat-inc/src/config.c
similarity index 100%
rename from solvers/kissat-inc/src/config.c
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similarity index 100%
rename from solvers/kissat-inc/src/config.h
rename to kissat-inc/src/config.h
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similarity index 100%
rename from solvers/kissat-inc/src/configure
rename to kissat-inc/src/configure
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similarity index 100%
rename from solvers/kissat-inc/src/cover.h
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similarity index 100%
rename from solvers/kissat-inc/src/cvec.c
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similarity index 100%
rename from solvers/kissat-inc/src/cvec.h
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diff --git a/solvers/kissat-inc/src/decide.c b/kissat-inc/src/decide.c
similarity index 100%
rename from solvers/kissat-inc/src/decide.c
rename to kissat-inc/src/decide.c
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/solvers/kissat-inc/src/file.c b/kissat-inc/src/file.c
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rename from solvers/kissat-inc/src/file.c
rename to kissat-inc/src/file.c
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rename from solvers/kissat-inc/src/file.h
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rename from solvers/kissat-inc/test/parse/varidxexceeded
rename to kissat-inc/test/parse/varidxexceeded
diff --git a/solvers/kissat-inc/test/parse/varidxtoolarge1 b/kissat-inc/test/parse/varidxtoolarge1
similarity index 100%
rename from solvers/kissat-inc/test/parse/varidxtoolarge1
rename to kissat-inc/test/parse/varidxtoolarge1
diff --git a/solvers/kissat-inc/test/parse/varidxtoolarge2 b/kissat-inc/test/parse/varidxtoolarge2
similarity index 100%
rename from solvers/kissat-inc/test/parse/varidxtoolarge2
rename to kissat-inc/test/parse/varidxtoolarge2
diff --git a/solvers/kissat-inc/test/parse/zeroaftersign b/kissat-inc/test/parse/zeroaftersign
similarity index 100%
rename from solvers/kissat-inc/test/parse/zeroaftersign
rename to kissat-inc/test/parse/zeroaftersign
diff --git a/solvers/kissat-inc/test/test.c b/kissat-inc/test/test.c
similarity index 100%
rename from solvers/kissat-inc/test/test.c
rename to kissat-inc/test/test.c
diff --git a/solvers/kissat-inc/test/test.h b/kissat-inc/test/test.h
similarity index 100%
rename from solvers/kissat-inc/test/test.h
rename to kissat-inc/test/test.h
diff --git a/solvers/kissat-inc/test/testadd.c b/kissat-inc/test/testadd.c
similarity index 100%
rename from solvers/kissat-inc/test/testadd.c
rename to kissat-inc/test/testadd.c
diff --git a/solvers/kissat-inc/test/testallocate.c b/kissat-inc/test/testallocate.c
similarity index 100%
rename from solvers/kissat-inc/test/testallocate.c
rename to kissat-inc/test/testallocate.c
diff --git a/solvers/kissat-inc/test/testapplication.c b/kissat-inc/test/testapplication.c
similarity index 100%
rename from solvers/kissat-inc/test/testapplication.c
rename to kissat-inc/test/testapplication.c
diff --git a/solvers/kissat-inc/test/testapplication.h b/kissat-inc/test/testapplication.h
similarity index 100%
rename from solvers/kissat-inc/test/testapplication.h
rename to kissat-inc/test/testapplication.h
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similarity index 100%
rename from solvers/kissat-inc/test/testarena.c
rename to kissat-inc/test/testarena.c
diff --git a/solvers/kissat-inc/test/testbump.c b/kissat-inc/test/testbump.c
similarity index 100%
rename from solvers/kissat-inc/test/testbump.c
rename to kissat-inc/test/testbump.c
diff --git a/solvers/kissat-inc/test/testcnfs.h b/kissat-inc/test/testcnfs.h
similarity index 100%
rename from solvers/kissat-inc/test/testcnfs.h
rename to kissat-inc/test/testcnfs.h
diff --git a/solvers/kissat-inc/test/testcollect.c b/kissat-inc/test/testcollect.c
similarity index 100%
rename from solvers/kissat-inc/test/testcollect.c
rename to kissat-inc/test/testcollect.c
diff --git a/solvers/kissat-inc/test/testcoverage.c b/kissat-inc/test/testcoverage.c
similarity index 100%
rename from solvers/kissat-inc/test/testcoverage.c
rename to kissat-inc/test/testcoverage.c
diff --git a/solvers/kissat-inc/test/testdivert.c b/kissat-inc/test/testdivert.c
similarity index 100%
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diff --git a/solvers/kissat-inc/test/testdivert.h b/kissat-inc/test/testdivert.h
similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/solvers/kissat-inc/test/testerror.c b/kissat-inc/test/testerror.c
similarity index 100%
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diff --git a/solvers/kissat-inc/test/testfile.c b/kissat-inc/test/testfile.c
similarity index 100%
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diff --git a/solvers/kissat-inc/test/testformat.c b/kissat-inc/test/testformat.c
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diff --git a/solvers/kissat-inc/test/testinit.c b/kissat-inc/test/testinit.c
similarity index 100%
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rename to kissat-inc/test/testinit.c
diff --git a/solvers/kissat-inc/test/testmain.c b/kissat-inc/test/testmain.c
similarity index 100%
rename from solvers/kissat-inc/test/testmain.c
rename to kissat-inc/test/testmain.c
diff --git a/solvers/kissat-inc/test/testmessages.c b/kissat-inc/test/testmessages.c
similarity index 100%
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rename to kissat-inc/test/testmessages.c
diff --git a/solvers/kissat-inc/test/testmessages.h b/kissat-inc/test/testmessages.h
similarity index 100%
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rename to kissat-inc/test/testmessages.h
diff --git a/solvers/kissat-inc/test/testoptions.c b/kissat-inc/test/testoptions.c
similarity index 100%
rename from solvers/kissat-inc/test/testoptions.c
rename to kissat-inc/test/testoptions.c
diff --git a/solvers/kissat-inc/test/testparse.c b/kissat-inc/test/testparse.c
similarity index 100%
rename from solvers/kissat-inc/test/testparse.c
rename to kissat-inc/test/testparse.c
diff --git a/solvers/kissat-inc/test/testprove.c b/kissat-inc/test/testprove.c
similarity index 100%
rename from solvers/kissat-inc/test/testprove.c
rename to kissat-inc/test/testprove.c
diff --git a/solvers/kissat-inc/test/testqueue.c b/kissat-inc/test/testqueue.c
similarity index 100%
rename from solvers/kissat-inc/test/testqueue.c
rename to kissat-inc/test/testqueue.c
diff --git a/solvers/kissat-inc/test/testrandom.c b/kissat-inc/test/testrandom.c
similarity index 100%
rename from solvers/kissat-inc/test/testrandom.c
rename to kissat-inc/test/testrandom.c
diff --git a/solvers/kissat-inc/test/testrank.c b/kissat-inc/test/testrank.c
similarity index 100%
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rename to kissat-inc/test/testrank.c
diff --git a/solvers/kissat-inc/test/testreferences.c b/kissat-inc/test/testreferences.c
similarity index 100%
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rename to kissat-inc/test/testreferences.c
diff --git a/solvers/kissat-inc/test/testreluctant.c b/kissat-inc/test/testreluctant.c
similarity index 100%
rename from solvers/kissat-inc/test/testreluctant.c
rename to kissat-inc/test/testreluctant.c
diff --git a/solvers/kissat-inc/test/testscheduler.c b/kissat-inc/test/testscheduler.c
similarity index 100%
rename from solvers/kissat-inc/test/testscheduler.c
rename to kissat-inc/test/testscheduler.c
diff --git a/solvers/kissat-inc/test/testscheduler.h b/kissat-inc/test/testscheduler.h
similarity index 100%
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diff --git a/solvers/kissat-inc/test/testsizes.c b/kissat-inc/test/testsizes.c
similarity index 100%
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rename to kissat-inc/test/testsizes.c
diff --git a/solvers/kissat-inc/test/testsolve.c b/kissat-inc/test/testsolve.c
similarity index 100%
rename from solvers/kissat-inc/test/testsolve.c
rename to kissat-inc/test/testsolve.c
diff --git a/solvers/kissat-inc/test/testsort.c b/kissat-inc/test/testsort.c
similarity index 100%
rename from solvers/kissat-inc/test/testsort.c
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diff --git a/solvers/kissat-inc/test/teststack.c b/kissat-inc/test/teststack.c
similarity index 100%
rename from solvers/kissat-inc/test/teststack.c
rename to kissat-inc/test/teststack.c
diff --git a/solvers/kissat-inc/test/testterminate.c b/kissat-inc/test/testterminate.c
similarity index 100%
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diff --git a/solvers/kissat-inc/test/testusage.c b/kissat-inc/test/testusage.c
similarity index 100%
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rename to kissat-inc/test/testusage.c
diff --git a/solvers/kissat-inc/test/testvector.c b/kissat-inc/test/testvector.c
similarity index 100%
rename from solvers/kissat-inc/test/testvector.c
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diff --git a/light b/light
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diff --git a/light-v6-3 b/light-solver
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rename to light-solver
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diff --git a/light.o b/light.o
deleted file mode 100644
index 9571bd2..0000000
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diff --git a/main.cpp b/main.cpp
deleted file mode 100644
index ae24b3f..0000000
--- a/main.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "solve.hpp"
-#include <chrono>
-#include <thread> 
-
-int main(int argc, char **argv) {
-    solve(argc, argv);
-    return 0;
-}
\ No newline at end of file
diff --git a/main.o b/main.o
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index a84ea45..0000000
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diff --git a/makefile b/makefile
index e4405a8..b1a6896 100644
--- a/makefile
+++ b/makefile
@@ -1,22 +1,18 @@
-SRCS = $(shell find . -name "*.cpp") 
-
-OBJS = $(addsuffix .o, $(basename $(SRCS)))
-
-EXEC = light
-
-LIBS = -lkissat -Lsolvers/kissat-inc/build \
-	   -lm4ri -Lpreprocess/m4ri-20140914/.libs \
-       -lpthread -pthread -lz -lm -lboost_thread -lboost_date_time -lboost_system -static
-
-CXXFLAGS = -Isolvers/kissat-inc \
-		   -Ipreprocess/m4ri-20140914 \
-		   -std=c++11 -O3
-
-$(EXEC): $(OBJS)
-	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
-
-%.o: %.cpp
-	$(CXX) -c $< -o $@ $(CXXFLAGS) $(LIBS)
-
-clean:
-	rm -f $(OBJS) $(EXEC)
\ No newline at end of file
+
+
+
+
+
+build-kissat:
+	cd kissat-inc
+	ls
+	sh ./configure
+	make
+
+
+all: build-kissat
+	make -C src-light-master
+	make -C src-light-solver
+	cp src-light-master/build/light-master .
+	cp src-light-solver/build/light-solver .
+
diff --git a/solve.o b/solve.o
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deleted file mode 100644
index f950235..0000000
--- a/solvers/kissat-inc/build/build.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#define VERSION "1.0.3"
-#define COMPILER "gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0 -W -Wall -O3 -DNEMBEDDED -DNDEBUG -DNMETRICS -DNSTATISTICS"
-#define ID "79d8d8f20465e71fd2b0f193b468898cd803a59a"
-#define BUILD "Mon Mar 20 17:56:57 CST 2023 Linux seed1 5.4.0-139-generic x86_64"
-#define DIR "/home/chenzh/solvers/Light/solvers/kissat-inc/build"
diff --git a/solvers/kissat-inc/build/build.o b/solvers/kissat-inc/build/build.o
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deleted file mode 100644
index 89cc9da..0000000
--- a/solvers/kissat-inc/build/makefile
+++ /dev/null
@@ -1,68 +0,0 @@
-CC=gcc
-CFLAGS=-W -Wall -O3 -DNEMBEDDED -DNDEBUG -DNMETRICS -DNSTATISTICS
-LD=gcc
-AR=ar
-VPATH=../src:../test
-
-%.o: %.c ../[st]*/*.h makefile
-	$(CC) $(CFLAGS) -c $<
-
-APPSRC=application.c handle.c parse.c witness.c
-
-LIBSRT=$(sort $(wildcard ../src/*.c))
-LIBSUB=$(subst ../src/,,$(LIBSRT))
-LIBSRC=$(filter-out main.c,$(LIBSUB))
-
-TSTSRT=$(sort $(wildcard ../test/*.c))
-TSTSUB=$(subst ../test/,,$(TSTSRT))
-TSTSRC=$(filter-out test.c,$(TSTSUB))
-
-APPOBJ=$(APPSRC:.c=.o)
-LIBOBJ=$(LIBSRC:.c=.o)
-TSTOBJ=$(APPOBJ) $(TSTSRC:.c=.o)
-
-INCLUDES=-I../$(shell pwd|sed -e 's,.*/,,')
-
-all: libkissat.a kissat
-test: all tissat
-	./tissat
-
-REMOVE=*.gcda *.gcno *.gcov gmon.out *~ *.proof
-
-clean:
-	rm -f kissat tissat
-	rm -f makefile build.h *.o *.a
-	rm -f $(REMOVE)
-	cd ../src; rm -f $(REMOVE)
-	cd ../test; rm -f $(REMOVE)
-
-coverage:
-	@gcov -o . -s ../src/*.[ch] 2>&1 | \
-	../scripts/filter-coverage-output.sh
-indent:
-	indent ../*/*.[ch]
-
-kissat: main.o $(APPOBJ) libkissat.a makefile
-	$(LD) -o $@ $< $(APPOBJ) -L. -lkissat -lm
-
-tissat: test.o $(TSTOBJ) libkissat.a makefile
-	$(LD) -o $@ $< $(TSTOBJ) -L. -lkissat -lm
-
-build.h:
-	../scripts/generate-build-header.sh > $@
-
-collect.o: sort.c
-dense.o: sort.c
-propagate.o: assign.c
-watch.o: sort.c
-
-build.o: build.c build.h ../[st]*/*.h makefile
-	$(CC) $(CFLAGS) $(INCLUDES) -c $<
-
-test.o: test.c build.h ../[st]*/*.h makefile
-	$(CC) $(CFLAGS) $(INCLUDES) -c $<
-
-libkissat.a: $(LIBOBJ) makefile
-	$(AR) rc $@ $(LIBOBJ)
-
-.PHONY: all clean coverage indent test build.h
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diff --git a/solvers/kissat-inc/build/weaken.o b/solvers/kissat-inc/build/weaken.o
deleted file mode 100644
index c2a0e7c..0000000
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diff --git a/solvers/kissat-inc/build/witness.o b/solvers/kissat-inc/build/witness.o
deleted file mode 100644
index e28cce5..0000000
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diff --git a/solvers/kissat-inc/build/xors.o b/solvers/kissat-inc/build/xors.o
deleted file mode 100644
index 119ac40..0000000
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diff --git a/solvers/kissat-inc/makefile b/solvers/kissat-inc/makefile
deleted file mode 100644
index f359a7a..0000000
--- a/solvers/kissat-inc/makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-all:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build"
-kissat:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" kissat
-tissat:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" tissat
-clean:
-	rm -f "/home/chenzh/solvers/Light/solvers/kissat-inc"/makefile
-	-$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" clean
-	rm -rf "/home/chenzh/solvers/Light/solvers/kissat-inc/build"
-coverage:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" coverage
-indent:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" indent
-test:
-	$(MAKE) -C "/home/chenzh/solvers/Light/solvers/kissat-inc/build" test
-.PHONY: all clean coverage indent kissat test tissat
diff --git a/src-light-master/cmdline.h b/src-light-master/cmdline.h
new file mode 100644
index 0000000..7d22a8d
--- /dev/null
+++ b/src-light-master/cmdline.h
@@ -0,0 +1,809 @@
+/*
+  Copyright (c) 2009, Hideyuki Tanaka
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+  * Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+  * Neither the name of the <organization> nor the
+  names of its contributors may be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
+  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#pragma once
+
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <map>
+#include <string>
+#include <stdexcept>
+#include <typeinfo>
+#include <cstring>
+#include <algorithm>
+#include <cxxabi.h>
+#include <cstdlib>
+
+namespace cmdline{
+
+namespace detail{
+
+template <typename Target, typename Source, bool Same>
+class lexical_cast_t{
+public:
+  static Target cast(const Source &arg){
+    Target ret;
+    std::stringstream ss;
+    if (!(ss<<arg && ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    
+    return ret;
+  }
+};
+
+template <typename Target, typename Source>
+class lexical_cast_t<Target, Source, true>{
+public:
+  static Target cast(const Source &arg){
+    return arg;
+  }  
+};
+
+template <typename Source>
+class lexical_cast_t<std::string, Source, false>{
+public:
+  static std::string cast(const Source &arg){
+    std::ostringstream ss;
+    ss<<arg;
+    return ss.str();
+  }
+};
+
+template <typename Target>
+class lexical_cast_t<Target, std::string, false>{
+public:
+  static Target cast(const std::string &arg){
+    Target ret;
+    std::istringstream ss(arg);
+    if (!(ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    return ret;
+  }
+};
+
+template <typename T1, typename T2>
+struct is_same {
+  static const bool value = false;
+};
+
+template <typename T>
+struct is_same<T, T>{
+  static const bool value = true;
+};
+
+template<typename Target, typename Source>
+Target lexical_cast(const Source &arg)
+{
+  return lexical_cast_t<Target, Source, detail::is_same<Target, Source>::value>::cast(arg);
+}
+
+static inline std::string demangle(const std::string &name)
+{
+  int status=0;
+  char *p=abi::__cxa_demangle(name.c_str(), 0, 0, &status);
+  std::string ret(p);
+  free(p);
+  return ret;
+}
+
+template <class T>
+std::string readable_typename()
+{
+  return demangle(typeid(T).name());
+}
+
+template <class T>
+std::string default_value(T def)
+{
+  return detail::lexical_cast<std::string>(def);
+}
+
+template <>
+inline std::string readable_typename<std::string>()
+{
+  return "string";
+}
+
+} // detail
+
+//-----
+
+class cmdline_error : public std::exception {
+public:
+  cmdline_error(const std::string &msg): msg(msg){}
+  ~cmdline_error() throw() {}
+  const char *what() const throw() { return msg.c_str(); }
+private:
+  std::string msg;
+};
+
+template <class T>
+struct default_reader{
+  T operator()(const std::string &str){
+    return detail::lexical_cast<T>(str);
+  }
+};
+
+template <class T>
+struct range_reader{
+  range_reader(const T &low, const T &high): low(low), high(high) {}
+  T operator()(const std::string &s) const {
+    T ret=default_reader<T>()(s);
+    if (!(ret>=low && ret<=high)) throw cmdline::cmdline_error("range_error");
+    return ret;
+  }
+private:
+  T low, high;
+};
+
+template <class T>
+range_reader<T> range(const T &low, const T &high)
+{
+  return range_reader<T>(low, high);
+}
+
+template <class T>
+struct oneof_reader{
+  T operator()(const std::string &s){
+    T ret=default_reader<T>()(s);
+    if (std::find(alt.begin(), alt.end(), ret)==alt.end())
+      throw cmdline_error("");
+    return ret;
+  }
+  void add(const T &v){ alt.push_back(v); }
+private:
+  std::vector<T> alt;
+};
+
+template <class T>
+oneof_reader<T> oneof(T a1)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9, T a10)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  ret.add(a10);
+  return ret;
+}
+
+//-----
+
+class parser{
+public:
+  parser(){
+  }
+  ~parser(){
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      delete p->second;
+  }
+
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc=""){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_without_value(name, short_name, desc);
+    ordered.push_back(options[name]);
+  }
+
+  template <class T>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T()){
+    add(name, short_name, desc, need, def, default_reader<T>());
+  }
+
+  template <class T, class F>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T(),
+           F reader=F()){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_with_value_with_reader<T, F>(name, short_name, need, def, desc, reader);
+    ordered.push_back(options[name]);
+  }
+
+  void footer(const std::string &f){
+    ftr=f;
+  }
+
+  void set_program_name(const std::string &name){
+    prog_name=name;
+  }
+
+  bool exist(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    return options.find(name)->second->has_set();
+  }
+
+  template <class T>
+  const T &get(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    const option_with_value<T> *p=dynamic_cast<const option_with_value<T>*>(options.find(name)->second);
+    if (p==NULL) throw cmdline_error("type mismatch flag '"+name+"'");
+    return p->get();
+  }
+
+  const std::vector<std::string> &rest() const {
+    return others;
+  }
+
+  bool parse(const std::string &arg){
+    std::vector<std::string> args;
+
+    std::string buf;
+    bool in_quote=false;
+    for (std::string::size_type i=0; i<arg.length(); i++){
+      if (arg[i]=='\"'){
+        in_quote=!in_quote;
+        continue;
+      }
+
+      if (arg[i]==' ' && !in_quote){
+        args.push_back(buf);
+        buf="";
+        continue;
+      }
+
+      if (arg[i]=='\\'){
+        i++;
+        if (i>=arg.length()){
+          errors.push_back("unexpected occurrence of '\\' at end of string");
+          return false;
+        }
+      }
+
+      buf+=arg[i];
+    }
+
+    if (in_quote){
+      errors.push_back("quote is not closed");
+      return false;
+    }
+
+    if (buf.length()>0)
+      args.push_back(buf);
+
+    for (size_t i=0; i<args.size(); i++)
+      std::cout<<"\""<<args[i]<<"\""<<std::endl;
+
+    return parse(args);
+  }
+
+  bool parse(const std::vector<std::string> &args){
+    int argc=static_cast<int>(args.size());
+    std::vector<const char*> argv(argc);
+
+    for (int i=0; i<argc; i++)
+      argv[i]=args[i].c_str();
+
+    return parse(argc, &argv[0]);
+  }
+
+  bool parse(int argc, const char * const argv[]){
+    errors.clear();
+    others.clear();
+
+    if (argc<1){
+      errors.push_back("argument number must be longer than 0");
+      return false;
+    }
+    if (prog_name=="")
+      prog_name=argv[0];
+
+    std::map<char, std::string> lookup;
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++){
+      if (p->first.length()==0) continue;
+      char initial=p->second->short_name();
+      if (initial){
+        if (lookup.count(initial)>0){
+          lookup[initial]="";
+          errors.push_back(std::string("short option '")+initial+"' is ambiguous");
+          return false;
+        }
+        else lookup[initial]=p->first;
+      }
+    }
+
+    for (int i=1; i<argc; i++){
+      if (strncmp(argv[i], "--", 2)==0){
+        const char *p=strchr(argv[i]+2, '=');
+        if (p){
+          std::string name(argv[i]+2, p);
+          std::string val(p+1);
+          set_option(name, val);
+        }
+        else{
+          std::string name(argv[i]+2);
+          if (options.count(name)==0){
+            errors.push_back("undefined option: --"+name);
+            continue;
+          }
+          if (options[name]->has_value()){
+            if (i+1>=argc){
+              errors.push_back("option needs value: --"+name);
+              continue;
+            }
+            else{
+              i++;
+              set_option(name, argv[i]);
+            }
+          }
+          else{
+            set_option(name);
+          }
+        }
+      }
+      else if (strncmp(argv[i], "-", 1)==0){
+        if (!argv[i][1]) continue;
+        char last=argv[i][1];
+        for (int j=2; argv[i][j]; j++){
+          last=argv[i][j];
+          if (lookup.count(argv[i][j-1])==0){
+            errors.push_back(std::string("undefined short option: -")+argv[i][j-1]);
+            continue;
+          }
+          if (lookup[argv[i][j-1]]==""){
+            errors.push_back(std::string("ambiguous short option: -")+argv[i][j-1]);
+            continue;
+          }
+          set_option(lookup[argv[i][j-1]]);
+        }
+
+        if (lookup.count(last)==0){
+          errors.push_back(std::string("undefined short option: -")+last);
+          continue;
+        }
+        if (lookup[last]==""){
+          errors.push_back(std::string("ambiguous short option: -")+last);
+          continue;
+        }
+
+        if (i+1<argc && options[lookup[last]]->has_value()){
+          set_option(lookup[last], argv[i+1]);
+          i++;
+        }
+        else{
+          set_option(lookup[last]);
+        }
+      }
+      else{
+        others.push_back(argv[i]);
+      }
+    }
+
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      if (!p->second->valid())
+        errors.push_back("need option: --"+std::string(p->first));
+
+    return errors.size()==0;
+  }
+
+  void parse_check(const std::string &arg){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(0, parse(arg));
+  }
+
+  void parse_check(const std::vector<std::string> &args){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(args.size(), parse(args));
+  }
+
+  void parse_check(int argc, char *argv[]){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(argc, parse(argc, argv));
+  }
+
+  std::string error() const{
+    return errors.size()>0?errors[0]:"";
+  }
+
+  std::string error_full() const{
+    std::ostringstream oss;
+    for (size_t i=0; i<errors.size(); i++)
+      oss<<errors[i]<<std::endl;
+    return oss.str();
+  }
+
+  std::string usage() const {
+    std::ostringstream oss;
+    oss<<"usage: "<<prog_name<<" ";
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->must())
+        oss<<ordered[i]->short_description()<<" ";
+    }
+    
+    oss<<"[options] ... "<<ftr<<std::endl;
+    oss<<"options:"<<std::endl;
+
+    size_t max_width=0;
+    for (size_t i=0; i<ordered.size(); i++){
+      max_width=std::max(max_width, ordered[i]->name().length());
+    }
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->short_name()){
+        oss<<"  -"<<ordered[i]->short_name()<<", ";
+      }
+      else{
+        oss<<"      ";
+      }
+
+      oss<<"--"<<ordered[i]->name();
+      for (size_t j=ordered[i]->name().length(); j<max_width+4; j++)
+        oss<<' ';
+      oss<<ordered[i]->description()<<std::endl;
+    }
+    return oss.str();
+  }
+
+private:
+
+  void check(int argc, bool ok){
+    if ((argc==1 && !ok) || exist("help")){
+      std::cerr<<usage();
+      exit(0);
+    }
+
+    if (!ok){
+      std::cerr<<error()<<std::endl<<usage();
+      exit(1);
+    }
+  }
+
+  void set_option(const std::string &name){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set()){
+      errors.push_back("option needs value: --"+name);
+      return;
+    }
+  }
+
+  void set_option(const std::string &name, const std::string &value){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set(value)){
+      errors.push_back("option value is invalid: --"+name+"="+value);
+      return;
+    }
+  }
+
+  class option_base{
+  public:
+    virtual ~option_base(){}
+
+    virtual bool has_value() const=0;
+    virtual bool set()=0;
+    virtual bool set(const std::string &value)=0;
+    virtual bool has_set() const=0;
+    virtual bool valid() const=0;
+    virtual bool must() const=0;
+
+    virtual const std::string &name() const=0;
+    virtual char short_name() const=0;
+    virtual const std::string &description() const=0;
+    virtual std::string short_description() const=0;
+  };
+
+  class option_without_value : public option_base {
+  public:
+    option_without_value(const std::string &name,
+                         char short_name,
+                         const std::string &desc)
+      :nam(name), snam(short_name), desc(desc), has(false){
+    }
+    ~option_without_value(){}
+
+    bool has_value() const { return false; }
+
+    bool set(){
+      has=true;
+      return true;
+    }
+
+    bool set(const std::string &){
+      return false;
+    }
+
+    bool has_set() const {
+      return has;
+    }
+
+    bool valid() const{
+      return true;
+    }
+
+    bool must() const{
+      return false;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam;
+    }
+
+  private:
+    std::string nam;
+    char snam;
+    std::string desc;
+    bool has;
+  };
+
+  template <class T>
+  class option_with_value : public option_base {
+  public:
+    option_with_value(const std::string &name,
+                      char short_name,
+                      bool need,
+                      const T &def,
+                      const std::string &desc)
+      : nam(name), snam(short_name), need(need), has(false)
+      , def(def), actual(def) {
+      this->desc=full_description(desc);
+    }
+    ~option_with_value(){}
+
+    const T &get() const {
+      return actual;
+    }
+
+    bool has_value() const { return true; }
+
+    bool set(){
+      return false;
+    }
+
+    bool set(const std::string &value){
+      try{
+        actual=read(value);
+        has=true;
+      }
+      catch(const std::exception &e){
+        return false;
+      }
+      return true;
+    }
+
+    bool has_set() const{
+      return has;
+    }
+
+    bool valid() const{
+      if (need && !has) return false;
+      return true;
+    }
+
+    bool must() const{
+      return need;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam+"="+detail::readable_typename<T>();
+    }
+
+  protected:
+    std::string full_description(const std::string &desc){
+      return
+        desc+" ("+detail::readable_typename<T>()+
+        (need?"":" [="+detail::default_value<T>(def)+"]")
+        +")";
+    }
+
+    virtual T read(const std::string &s)=0;
+
+    std::string nam;
+    char snam;
+    bool need;
+    std::string desc;
+
+    bool has;
+    T def;
+    T actual;
+  };
+
+  template <class T, class F>
+  class option_with_value_with_reader : public option_with_value<T> {
+  public:
+    option_with_value_with_reader(const std::string &name,
+                                  char short_name,
+                                  bool need,
+                                  const T def,
+                                  const std::string &desc,
+                                  F reader)
+      : option_with_value<T>(name, short_name, need, def, desc), reader(reader){
+    }
+
+  private:
+    T read(const std::string &s){
+      return reader(s);
+    }
+
+    F reader;
+  };
+
+  std::map<std::string, option_base*> options;
+  std::vector<option_base*> ordered;
+  std::string ftr;
+
+  std::string prog_name;
+  std::vector<std::string> others;
+
+  std::vector<std::string> errors;
+};
+
+} // cmdline
\ No newline at end of file
diff --git a/src-light-master/makefile b/src-light-master/makefile
new file mode 100644
index 0000000..6491f70
--- /dev/null
+++ b/src-light-master/makefile
@@ -0,0 +1,32 @@
+# 定义源文件列表
+SOURCES := $(wildcard *.cpp) $(wildcard utils/*.cpp) $(wildcard preprocess/*.cpp)
+
+# 将源文件列表转换为目标文件列表
+OBJECTS := $(addprefix build/,$(SOURCES:%=%.o))
+
+# 声明编译器和编译选项
+CXX := g++
+CXXFLAGS := -O3 -Wall -Wextra -MMD -MP -flto
+
+LIBS := -lm4ri -Lpreprocess/m4ri-20140914/.libs -I preprocess/m4ri-20140914/ \
+       -lpthread -pthread -lz -lm -lboost_thread -lboost_date_time -lboost_system -static
+
+# 默认目标，编译所有目标文件
+build/light-master: $(OBJECTS)
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LIBS)
+
+build/%.o: % | build
+	$(CXX) $(CXXFLAGS) -c $< -o $@ $(LIBS)
+
+# 包含依赖文件
+-include $(OBJECTS:.o=.d)
+
+# 如果需要，则递归创建源文件的目录结构
+build:
+	mkdir -p $(sort $(dir $(OBJECTS)))
+
+# 清除所有目标文件和build目录
+clean:
+	rm -rf build $(OBJECTS)
+
+.PHONY: clean all
\ No newline at end of file
diff --git a/src-light-master/master.cpp b/src-light-master/master.cpp
new file mode 100644
index 0000000..8aa9e3e
--- /dev/null
+++ b/src-light-master/master.cpp
@@ -0,0 +1,29 @@
+#include <string>
+
+#include "master.h"
+
+// struct {
+//     std::string ip_addr;
+//     std::vector<std::string> solver_ip_addrs;
+//     std::string instance;
+// }opt;
+
+// void parse_input(const nlohmann::json& config) {
+
+    
+    
+// }
+
+
+// void run_master(const nlohmann::json& config) {
+//     parse_input(config);
+
+
+
+
+// }
+
+int main() {
+    printf("This is master!\n");
+    return 0;
+}
\ No newline at end of file
diff --git a/a.out b/src-light-master/master.h
similarity index 100%
rename from a.out
rename to src-light-master/master.h
diff --git a/preprocess/binary.cpp b/src-light-master/preprocess/binary.cpp
similarity index 100%
rename from preprocess/binary.cpp
rename to src-light-master/preprocess/binary.cpp
diff --git a/preprocess/binary.o b/src-light-master/preprocess/binary.o
similarity index 100%
rename from preprocess/binary.o
rename to src-light-master/preprocess/binary.o
diff --git a/preprocess/card.cpp b/src-light-master/preprocess/card.cpp
similarity index 100%
rename from preprocess/card.cpp
rename to src-light-master/preprocess/card.cpp
diff --git a/preprocess/card.o b/src-light-master/preprocess/card.o
similarity index 100%
rename from preprocess/card.o
rename to src-light-master/preprocess/card.o
diff --git a/preprocess/gauss.cpp b/src-light-master/preprocess/gauss.cpp
similarity index 100%
rename from preprocess/gauss.cpp
rename to src-light-master/preprocess/gauss.cpp
diff --git a/preprocess/gauss.o b/src-light-master/preprocess/gauss.o
similarity index 100%
rename from preprocess/gauss.o
rename to src-light-master/preprocess/gauss.o
diff --git a/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so b/src-light-master/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so
similarity index 100%
rename from preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so
rename to src-light-master/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so
diff --git a/preprocess/m4ri-20140914/.libs/libm4ri.a b/src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.a
similarity index 100%
rename from preprocess/m4ri-20140914/.libs/libm4ri.a
rename to src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.a
diff --git a/preprocess/m4ri-20140914/.libs/libm4ri.la b/src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.la
similarity index 100%
rename from preprocess/m4ri-20140914/.libs/libm4ri.la
rename to src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.la
diff --git a/preprocess/m4ri-20140914/.libs/libm4ri.lai b/src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.lai
similarity index 100%
rename from preprocess/m4ri-20140914/.libs/libm4ri.lai
rename to src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.lai
diff --git a/preprocess/m4ri-20140914/.libs/libm4ri.so b/src-light-master/preprocess/m4ri-20140914/.libs/libm4ri.so
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diff --git a/preprocess/m4ri-20140914/m4ri/stamp-h1 b/src-light-master/preprocess/m4ri-20140914/m4ri/stamp-h1
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/stamp-h1
rename to src-light-master/preprocess/m4ri-20140914/m4ri/stamp-h1
diff --git a/preprocess/m4ri-20140914/m4ri/strassen.c b/src-light-master/preprocess/m4ri-20140914/m4ri/strassen.c
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/strassen.c
rename to src-light-master/preprocess/m4ri-20140914/m4ri/strassen.c
diff --git a/preprocess/m4ri-20140914/m4ri/strassen.h b/src-light-master/preprocess/m4ri-20140914/m4ri/strassen.h
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/strassen.h
rename to src-light-master/preprocess/m4ri-20140914/m4ri/strassen.h
diff --git a/preprocess/m4ri-20140914/m4ri/strassen.lo b/src-light-master/preprocess/m4ri-20140914/m4ri/strassen.lo
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/strassen.lo
rename to src-light-master/preprocess/m4ri-20140914/m4ri/strassen.lo
diff --git a/preprocess/m4ri-20140914/m4ri/strassen.o b/src-light-master/preprocess/m4ri-20140914/m4ri/strassen.o
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/strassen.o
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diff --git a/preprocess/m4ri-20140914/m4ri/triangular.c b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular.c
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/triangular.c
rename to src-light-master/preprocess/m4ri-20140914/m4ri/triangular.c
diff --git a/preprocess/m4ri-20140914/m4ri/triangular.h b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular.h
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/triangular.h
rename to src-light-master/preprocess/m4ri-20140914/m4ri/triangular.h
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similarity index 100%
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similarity index 100%
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diff --git a/preprocess/m4ri-20140914/m4ri/triangular_russian.c b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular_russian.c
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/m4ri/triangular_russian.h b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular_russian.h
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/m4ri/triangular_russian.lo b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular_russian.lo
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/m4ri/triangular_russian.o b/src-light-master/preprocess/m4ri-20140914/m4ri/triangular_russian.o
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/m4ri/xor.h b/src-light-master/preprocess/m4ri-20140914/m4ri/xor.h
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/xor.h
rename to src-light-master/preprocess/m4ri-20140914/m4ri/xor.h
diff --git a/preprocess/m4ri-20140914/m4ri/xor_template.h b/src-light-master/preprocess/m4ri-20140914/m4ri/xor_template.h
similarity index 100%
rename from preprocess/m4ri-20140914/m4ri/xor_template.h
rename to src-light-master/preprocess/m4ri-20140914/m4ri/xor_template.h
diff --git a/preprocess/m4ri-20140914/missing b/src-light-master/preprocess/m4ri-20140914/missing
similarity index 100%
rename from preprocess/m4ri-20140914/missing
rename to src-light-master/preprocess/m4ri-20140914/missing
diff --git a/preprocess/m4ri-20140914/test-driver b/src-light-master/preprocess/m4ri-20140914/test-driver
similarity index 100%
rename from preprocess/m4ri-20140914/test-driver
rename to src-light-master/preprocess/m4ri-20140914/test-driver
diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_colswap-test_colswap.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_colswap-test_colswap.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_elimination-test_elimination.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_elimination-test_elimination.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_invert-test_invert.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_invert-test_invert.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_kernel-test_kernel.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_kernel-test_kernel.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_misc-test_misc.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_misc-test_misc.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_ple-test_ple.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_ple-test_ple.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-test_smallops.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-test_smallops.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_transpose-test_transpose.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_transpose-test_transpose.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/.deps/test_trsm-test_trsm.Po b/src-light-master/preprocess/m4ri-20140914/testsuite/.deps/test_trsm-test_trsm.Po
similarity index 100%
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diff --git a/preprocess/m4ri-20140914/testsuite/Makefile b/src-light-master/preprocess/m4ri-20140914/testsuite/Makefile
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/Makefile
rename to src-light-master/preprocess/m4ri-20140914/testsuite/Makefile
diff --git a/preprocess/m4ri-20140914/testsuite/Makefile.in b/src-light-master/preprocess/m4ri-20140914/testsuite/Makefile.in
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/Makefile.in
rename to src-light-master/preprocess/m4ri-20140914/testsuite/Makefile.in
diff --git a/preprocess/m4ri-20140914/testsuite/test_colswap.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_colswap.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_colswap.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_colswap.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_elimination.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_elimination.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_elimination.c
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diff --git a/preprocess/m4ri-20140914/testsuite/test_invert.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_invert.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_invert.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_invert.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_kernel.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_kernel.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_kernel.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_kernel.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_misc.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_misc.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_misc.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_misc.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_multiplication.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_multiplication.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_multiplication.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_multiplication.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_ple.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_ple.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_ple.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_ple.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_random.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_random.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_random.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_random.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_smallops.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_smallops.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_smallops.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_smallops.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_solve.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_solve.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_solve.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_solve.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_transpose.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_transpose.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_transpose.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_transpose.c
diff --git a/preprocess/m4ri-20140914/testsuite/test_trsm.c b/src-light-master/preprocess/m4ri-20140914/testsuite/test_trsm.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/test_trsm.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/test_trsm.c
diff --git a/preprocess/m4ri-20140914/testsuite/testing.c b/src-light-master/preprocess/m4ri-20140914/testsuite/testing.c
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/testing.c
rename to src-light-master/preprocess/m4ri-20140914/testsuite/testing.c
diff --git a/preprocess/m4ri-20140914/testsuite/testing.h b/src-light-master/preprocess/m4ri-20140914/testsuite/testing.h
similarity index 100%
rename from preprocess/m4ri-20140914/testsuite/testing.h
rename to src-light-master/preprocess/m4ri-20140914/testsuite/testing.h
diff --git a/preprocess/preprocess.cpp b/src-light-master/preprocess/preprocess.cpp
similarity index 100%
rename from preprocess/preprocess.cpp
rename to src-light-master/preprocess/preprocess.cpp
diff --git a/preprocess/preprocess.hpp b/src-light-master/preprocess/preprocess.hpp
similarity index 99%
rename from preprocess/preprocess.hpp
rename to src-light-master/preprocess/preprocess.hpp
index 49ef65e..62374fa 100644
--- a/preprocess/preprocess.hpp
+++ b/src-light-master/preprocess/preprocess.hpp
@@ -3,6 +3,7 @@
 
 #include "../utils/hashmap.hpp"
 #include "../utils/vec.hpp"
+
 typedef long long ll;
 
 #define mapv(a, b) (1ll * (a) * nlit + (ll)(b))
diff --git a/preprocess/preprocess.o b/src-light-master/preprocess/preprocess.o
similarity index 100%
rename from preprocess/preprocess.o
rename to src-light-master/preprocess/preprocess.o
diff --git a/preprocess/propagation.cpp b/src-light-master/preprocess/propagation.cpp
similarity index 100%
rename from preprocess/propagation.cpp
rename to src-light-master/preprocess/propagation.cpp
diff --git a/preprocess/propagation.o b/src-light-master/preprocess/propagation.o
similarity index 100%
rename from preprocess/propagation.o
rename to src-light-master/preprocess/propagation.o
diff --git a/preprocess/resolution.cpp b/src-light-master/preprocess/resolution.cpp
similarity index 100%
rename from preprocess/resolution.cpp
rename to src-light-master/preprocess/resolution.cpp
diff --git a/preprocess/resolution.o b/src-light-master/preprocess/resolution.o
similarity index 100%
rename from preprocess/resolution.o
rename to src-light-master/preprocess/resolution.o
diff --git a/utils/check-sat b/src-light-master/utils/check-sat
similarity index 100%
rename from utils/check-sat
rename to src-light-master/utils/check-sat
diff --git a/src-light-master/utils/cmdline.h b/src-light-master/utils/cmdline.h
new file mode 100644
index 0000000..7d22a8d
--- /dev/null
+++ b/src-light-master/utils/cmdline.h
@@ -0,0 +1,809 @@
+/*
+  Copyright (c) 2009, Hideyuki Tanaka
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+  * Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+  * Neither the name of the <organization> nor the
+  names of its contributors may be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
+  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#pragma once
+
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <map>
+#include <string>
+#include <stdexcept>
+#include <typeinfo>
+#include <cstring>
+#include <algorithm>
+#include <cxxabi.h>
+#include <cstdlib>
+
+namespace cmdline{
+
+namespace detail{
+
+template <typename Target, typename Source, bool Same>
+class lexical_cast_t{
+public:
+  static Target cast(const Source &arg){
+    Target ret;
+    std::stringstream ss;
+    if (!(ss<<arg && ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    
+    return ret;
+  }
+};
+
+template <typename Target, typename Source>
+class lexical_cast_t<Target, Source, true>{
+public:
+  static Target cast(const Source &arg){
+    return arg;
+  }  
+};
+
+template <typename Source>
+class lexical_cast_t<std::string, Source, false>{
+public:
+  static std::string cast(const Source &arg){
+    std::ostringstream ss;
+    ss<<arg;
+    return ss.str();
+  }
+};
+
+template <typename Target>
+class lexical_cast_t<Target, std::string, false>{
+public:
+  static Target cast(const std::string &arg){
+    Target ret;
+    std::istringstream ss(arg);
+    if (!(ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    return ret;
+  }
+};
+
+template <typename T1, typename T2>
+struct is_same {
+  static const bool value = false;
+};
+
+template <typename T>
+struct is_same<T, T>{
+  static const bool value = true;
+};
+
+template<typename Target, typename Source>
+Target lexical_cast(const Source &arg)
+{
+  return lexical_cast_t<Target, Source, detail::is_same<Target, Source>::value>::cast(arg);
+}
+
+static inline std::string demangle(const std::string &name)
+{
+  int status=0;
+  char *p=abi::__cxa_demangle(name.c_str(), 0, 0, &status);
+  std::string ret(p);
+  free(p);
+  return ret;
+}
+
+template <class T>
+std::string readable_typename()
+{
+  return demangle(typeid(T).name());
+}
+
+template <class T>
+std::string default_value(T def)
+{
+  return detail::lexical_cast<std::string>(def);
+}
+
+template <>
+inline std::string readable_typename<std::string>()
+{
+  return "string";
+}
+
+} // detail
+
+//-----
+
+class cmdline_error : public std::exception {
+public:
+  cmdline_error(const std::string &msg): msg(msg){}
+  ~cmdline_error() throw() {}
+  const char *what() const throw() { return msg.c_str(); }
+private:
+  std::string msg;
+};
+
+template <class T>
+struct default_reader{
+  T operator()(const std::string &str){
+    return detail::lexical_cast<T>(str);
+  }
+};
+
+template <class T>
+struct range_reader{
+  range_reader(const T &low, const T &high): low(low), high(high) {}
+  T operator()(const std::string &s) const {
+    T ret=default_reader<T>()(s);
+    if (!(ret>=low && ret<=high)) throw cmdline::cmdline_error("range_error");
+    return ret;
+  }
+private:
+  T low, high;
+};
+
+template <class T>
+range_reader<T> range(const T &low, const T &high)
+{
+  return range_reader<T>(low, high);
+}
+
+template <class T>
+struct oneof_reader{
+  T operator()(const std::string &s){
+    T ret=default_reader<T>()(s);
+    if (std::find(alt.begin(), alt.end(), ret)==alt.end())
+      throw cmdline_error("");
+    return ret;
+  }
+  void add(const T &v){ alt.push_back(v); }
+private:
+  std::vector<T> alt;
+};
+
+template <class T>
+oneof_reader<T> oneof(T a1)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9, T a10)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  ret.add(a10);
+  return ret;
+}
+
+//-----
+
+class parser{
+public:
+  parser(){
+  }
+  ~parser(){
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      delete p->second;
+  }
+
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc=""){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_without_value(name, short_name, desc);
+    ordered.push_back(options[name]);
+  }
+
+  template <class T>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T()){
+    add(name, short_name, desc, need, def, default_reader<T>());
+  }
+
+  template <class T, class F>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T(),
+           F reader=F()){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_with_value_with_reader<T, F>(name, short_name, need, def, desc, reader);
+    ordered.push_back(options[name]);
+  }
+
+  void footer(const std::string &f){
+    ftr=f;
+  }
+
+  void set_program_name(const std::string &name){
+    prog_name=name;
+  }
+
+  bool exist(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    return options.find(name)->second->has_set();
+  }
+
+  template <class T>
+  const T &get(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    const option_with_value<T> *p=dynamic_cast<const option_with_value<T>*>(options.find(name)->second);
+    if (p==NULL) throw cmdline_error("type mismatch flag '"+name+"'");
+    return p->get();
+  }
+
+  const std::vector<std::string> &rest() const {
+    return others;
+  }
+
+  bool parse(const std::string &arg){
+    std::vector<std::string> args;
+
+    std::string buf;
+    bool in_quote=false;
+    for (std::string::size_type i=0; i<arg.length(); i++){
+      if (arg[i]=='\"'){
+        in_quote=!in_quote;
+        continue;
+      }
+
+      if (arg[i]==' ' && !in_quote){
+        args.push_back(buf);
+        buf="";
+        continue;
+      }
+
+      if (arg[i]=='\\'){
+        i++;
+        if (i>=arg.length()){
+          errors.push_back("unexpected occurrence of '\\' at end of string");
+          return false;
+        }
+      }
+
+      buf+=arg[i];
+    }
+
+    if (in_quote){
+      errors.push_back("quote is not closed");
+      return false;
+    }
+
+    if (buf.length()>0)
+      args.push_back(buf);
+
+    for (size_t i=0; i<args.size(); i++)
+      std::cout<<"\""<<args[i]<<"\""<<std::endl;
+
+    return parse(args);
+  }
+
+  bool parse(const std::vector<std::string> &args){
+    int argc=static_cast<int>(args.size());
+    std::vector<const char*> argv(argc);
+
+    for (int i=0; i<argc; i++)
+      argv[i]=args[i].c_str();
+
+    return parse(argc, &argv[0]);
+  }
+
+  bool parse(int argc, const char * const argv[]){
+    errors.clear();
+    others.clear();
+
+    if (argc<1){
+      errors.push_back("argument number must be longer than 0");
+      return false;
+    }
+    if (prog_name=="")
+      prog_name=argv[0];
+
+    std::map<char, std::string> lookup;
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++){
+      if (p->first.length()==0) continue;
+      char initial=p->second->short_name();
+      if (initial){
+        if (lookup.count(initial)>0){
+          lookup[initial]="";
+          errors.push_back(std::string("short option '")+initial+"' is ambiguous");
+          return false;
+        }
+        else lookup[initial]=p->first;
+      }
+    }
+
+    for (int i=1; i<argc; i++){
+      if (strncmp(argv[i], "--", 2)==0){
+        const char *p=strchr(argv[i]+2, '=');
+        if (p){
+          std::string name(argv[i]+2, p);
+          std::string val(p+1);
+          set_option(name, val);
+        }
+        else{
+          std::string name(argv[i]+2);
+          if (options.count(name)==0){
+            errors.push_back("undefined option: --"+name);
+            continue;
+          }
+          if (options[name]->has_value()){
+            if (i+1>=argc){
+              errors.push_back("option needs value: --"+name);
+              continue;
+            }
+            else{
+              i++;
+              set_option(name, argv[i]);
+            }
+          }
+          else{
+            set_option(name);
+          }
+        }
+      }
+      else if (strncmp(argv[i], "-", 1)==0){
+        if (!argv[i][1]) continue;
+        char last=argv[i][1];
+        for (int j=2; argv[i][j]; j++){
+          last=argv[i][j];
+          if (lookup.count(argv[i][j-1])==0){
+            errors.push_back(std::string("undefined short option: -")+argv[i][j-1]);
+            continue;
+          }
+          if (lookup[argv[i][j-1]]==""){
+            errors.push_back(std::string("ambiguous short option: -")+argv[i][j-1]);
+            continue;
+          }
+          set_option(lookup[argv[i][j-1]]);
+        }
+
+        if (lookup.count(last)==0){
+          errors.push_back(std::string("undefined short option: -")+last);
+          continue;
+        }
+        if (lookup[last]==""){
+          errors.push_back(std::string("ambiguous short option: -")+last);
+          continue;
+        }
+
+        if (i+1<argc && options[lookup[last]]->has_value()){
+          set_option(lookup[last], argv[i+1]);
+          i++;
+        }
+        else{
+          set_option(lookup[last]);
+        }
+      }
+      else{
+        others.push_back(argv[i]);
+      }
+    }
+
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      if (!p->second->valid())
+        errors.push_back("need option: --"+std::string(p->first));
+
+    return errors.size()==0;
+  }
+
+  void parse_check(const std::string &arg){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(0, parse(arg));
+  }
+
+  void parse_check(const std::vector<std::string> &args){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(args.size(), parse(args));
+  }
+
+  void parse_check(int argc, char *argv[]){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(argc, parse(argc, argv));
+  }
+
+  std::string error() const{
+    return errors.size()>0?errors[0]:"";
+  }
+
+  std::string error_full() const{
+    std::ostringstream oss;
+    for (size_t i=0; i<errors.size(); i++)
+      oss<<errors[i]<<std::endl;
+    return oss.str();
+  }
+
+  std::string usage() const {
+    std::ostringstream oss;
+    oss<<"usage: "<<prog_name<<" ";
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->must())
+        oss<<ordered[i]->short_description()<<" ";
+    }
+    
+    oss<<"[options] ... "<<ftr<<std::endl;
+    oss<<"options:"<<std::endl;
+
+    size_t max_width=0;
+    for (size_t i=0; i<ordered.size(); i++){
+      max_width=std::max(max_width, ordered[i]->name().length());
+    }
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->short_name()){
+        oss<<"  -"<<ordered[i]->short_name()<<", ";
+      }
+      else{
+        oss<<"      ";
+      }
+
+      oss<<"--"<<ordered[i]->name();
+      for (size_t j=ordered[i]->name().length(); j<max_width+4; j++)
+        oss<<' ';
+      oss<<ordered[i]->description()<<std::endl;
+    }
+    return oss.str();
+  }
+
+private:
+
+  void check(int argc, bool ok){
+    if ((argc==1 && !ok) || exist("help")){
+      std::cerr<<usage();
+      exit(0);
+    }
+
+    if (!ok){
+      std::cerr<<error()<<std::endl<<usage();
+      exit(1);
+    }
+  }
+
+  void set_option(const std::string &name){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set()){
+      errors.push_back("option needs value: --"+name);
+      return;
+    }
+  }
+
+  void set_option(const std::string &name, const std::string &value){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set(value)){
+      errors.push_back("option value is invalid: --"+name+"="+value);
+      return;
+    }
+  }
+
+  class option_base{
+  public:
+    virtual ~option_base(){}
+
+    virtual bool has_value() const=0;
+    virtual bool set()=0;
+    virtual bool set(const std::string &value)=0;
+    virtual bool has_set() const=0;
+    virtual bool valid() const=0;
+    virtual bool must() const=0;
+
+    virtual const std::string &name() const=0;
+    virtual char short_name() const=0;
+    virtual const std::string &description() const=0;
+    virtual std::string short_description() const=0;
+  };
+
+  class option_without_value : public option_base {
+  public:
+    option_without_value(const std::string &name,
+                         char short_name,
+                         const std::string &desc)
+      :nam(name), snam(short_name), desc(desc), has(false){
+    }
+    ~option_without_value(){}
+
+    bool has_value() const { return false; }
+
+    bool set(){
+      has=true;
+      return true;
+    }
+
+    bool set(const std::string &){
+      return false;
+    }
+
+    bool has_set() const {
+      return has;
+    }
+
+    bool valid() const{
+      return true;
+    }
+
+    bool must() const{
+      return false;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam;
+    }
+
+  private:
+    std::string nam;
+    char snam;
+    std::string desc;
+    bool has;
+  };
+
+  template <class T>
+  class option_with_value : public option_base {
+  public:
+    option_with_value(const std::string &name,
+                      char short_name,
+                      bool need,
+                      const T &def,
+                      const std::string &desc)
+      : nam(name), snam(short_name), need(need), has(false)
+      , def(def), actual(def) {
+      this->desc=full_description(desc);
+    }
+    ~option_with_value(){}
+
+    const T &get() const {
+      return actual;
+    }
+
+    bool has_value() const { return true; }
+
+    bool set(){
+      return false;
+    }
+
+    bool set(const std::string &value){
+      try{
+        actual=read(value);
+        has=true;
+      }
+      catch(const std::exception &e){
+        return false;
+      }
+      return true;
+    }
+
+    bool has_set() const{
+      return has;
+    }
+
+    bool valid() const{
+      if (need && !has) return false;
+      return true;
+    }
+
+    bool must() const{
+      return need;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam+"="+detail::readable_typename<T>();
+    }
+
+  protected:
+    std::string full_description(const std::string &desc){
+      return
+        desc+" ("+detail::readable_typename<T>()+
+        (need?"":" [="+detail::default_value<T>(def)+"]")
+        +")";
+    }
+
+    virtual T read(const std::string &s)=0;
+
+    std::string nam;
+    char snam;
+    bool need;
+    std::string desc;
+
+    bool has;
+    T def;
+    T actual;
+  };
+
+  template <class T, class F>
+  class option_with_value_with_reader : public option_with_value<T> {
+  public:
+    option_with_value_with_reader(const std::string &name,
+                                  char short_name,
+                                  bool need,
+                                  const T def,
+                                  const std::string &desc,
+                                  F reader)
+      : option_with_value<T>(name, short_name, need, def, desc), reader(reader){
+    }
+
+  private:
+    T read(const std::string &s){
+      return reader(s);
+    }
+
+    F reader;
+  };
+
+  std::map<std::string, option_base*> options;
+  std::vector<option_base*> ordered;
+  std::string ftr;
+
+  std::string prog_name;
+  std::vector<std::string> others;
+
+  std::vector<std::string> errors;
+};
+
+} // cmdline
\ No newline at end of file
diff --git a/utils/hashmap.cpp b/src-light-master/utils/hashmap.cpp
similarity index 100%
rename from utils/hashmap.cpp
rename to src-light-master/utils/hashmap.cpp
diff --git a/utils/hashmap.hpp b/src-light-master/utils/hashmap.hpp
similarity index 100%
rename from utils/hashmap.hpp
rename to src-light-master/utils/hashmap.hpp
diff --git a/utils/hashmap.o b/src-light-master/utils/hashmap.o
similarity index 100%
rename from utils/hashmap.o
rename to src-light-master/utils/hashmap.o
diff --git a/utils/paras.cpp b/src-light-master/utils/paras.cpp
similarity index 100%
rename from utils/paras.cpp
rename to src-light-master/utils/paras.cpp
diff --git a/utils/paras.hpp b/src-light-master/utils/paras.hpp
similarity index 100%
rename from utils/paras.hpp
rename to src-light-master/utils/paras.hpp
diff --git a/utils/paras.o b/src-light-master/utils/paras.o
similarity index 100%
rename from utils/paras.o
rename to src-light-master/utils/paras.o
diff --git a/utils/parse.cpp b/src-light-master/utils/parse.cpp
similarity index 100%
rename from utils/parse.cpp
rename to src-light-master/utils/parse.cpp
diff --git a/utils/parse.hpp b/src-light-master/utils/parse.hpp
similarity index 100%
rename from utils/parse.hpp
rename to src-light-master/utils/parse.hpp
diff --git a/utils/parse.o b/src-light-master/utils/parse.o
similarity index 100%
rename from utils/parse.o
rename to src-light-master/utils/parse.o
diff --git a/utils/vec.hpp b/src-light-master/utils/vec.hpp
similarity index 100%
rename from utils/vec.hpp
rename to src-light-master/utils/vec.hpp
diff --git a/light.cpp b/src-light-solver/light.cpp
similarity index 100%
rename from light.cpp
rename to src-light-solver/light.cpp
diff --git a/light.hpp b/src-light-solver/light.hpp
similarity index 98%
rename from light.hpp
rename to src-light-solver/light.hpp
index 42a3f7d..02d0d5e 100644
--- a/light.hpp
+++ b/src-light-solver/light.hpp
@@ -17,7 +17,7 @@ class sharer;
 extern std::atomic<int> terminated;
 extern std::mutex mtx;
 
-enum Solver_Type {KISSAT};
+enum Solver_Type { KISSAT };
 
 struct thread_inf{
     int id, inf;
diff --git a/src-light-solver/main.cpp b/src-light-solver/main.cpp
new file mode 100644
index 0000000..a5457d3
--- /dev/null
+++ b/src-light-solver/main.cpp
@@ -0,0 +1,20 @@
+
+#include <chrono>
+#include <thread>
+#include <fstream>
+
+#include "solve.hpp"
+#include "utils/cmdline.h"
+
+int main(int argc, char **argv) {
+
+    cmdline::parser a;
+
+    a.add<std::string>("inst", 'i', "CNF format instance", true, "");
+
+    a.parse_check(argc, argv);
+
+    solve(argc, argv);
+    
+    return 0;
+}
\ No newline at end of file
diff --git a/src-light-solver/makefile b/src-light-solver/makefile
new file mode 100644
index 0000000..f3daf3a
--- /dev/null
+++ b/src-light-solver/makefile
@@ -0,0 +1,33 @@
+# 定义源文件列表
+SOURCES := $(wildcard *.cpp) $(wildcard preprocess/*.cpp) $(wildcard utils/*.cpp) $(wildcard workers/*.cpp)
+
+# 将源文件列表转换为目标文件列表
+OBJECTS := $(addprefix build/,$(SOURCES:%=%.o))
+
+# 声明编译器和编译选项
+CXX := g++
+CXXFLAGS := -O3 -Wall -Wextra -MMD -MP -flto
+
+LIBS := -lkissat -L../kissat-inc/build -I ../kissat-inc/ \
+	   -lm4ri -Lpreprocess/m4ri-20140914/.libs -I preprocess/m4ri-20140914/ \
+       -lpthread -pthread -lz -lm -lboost_thread -lboost_date_time -lboost_system -static
+
+# 默认目标，编译所有目标文件
+build/light-solver: $(OBJECTS)
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LIBS)
+
+build/%.o: % | build
+	$(CXX) $(CXXFLAGS) -c $< -o $@ $(LIBS)
+
+# 包含依赖文件
+-include $(OBJECTS:.o=.d)
+
+# 如果需要，则递归创建源文件的目录结构
+build:
+	mkdir -p $(sort $(dir $(OBJECTS)))
+
+# 清除所有目标文件和build目录
+clean:
+	rm -rf build $(OBJECTS)
+
+.PHONY: clean all
\ No newline at end of file
diff --git a/src-light-solver/preprocess/binary.cpp b/src-light-solver/preprocess/binary.cpp
new file mode 100644
index 0000000..59dd68c
--- /dev/null
+++ b/src-light-solver/preprocess/binary.cpp
@@ -0,0 +1,218 @@
+#include "preprocess.hpp"
+
+
+int preprocess::find(int x) {
+    if (f[x] == x) return x;
+    int fa = f[x];
+    f[x] = find(fa);
+    val[x] = val[fa] * val[x];
+    return f[x];
+}
+
+bool preprocess::preprocess_binary() {
+    HashMap *C = new HashMap();
+    for (int i = 1; i <= clauses; i++) {
+        int l = clause[i].size();
+        for (int j = 0; j < l; j++) {
+            clause[i][j] = tolit(clause[i][j]);
+        }
+    }
+    printf("c sz %d\n", clause[1].size());
+    nlit = (vars << 1) + 2;
+    for (int i = 1; i <= vars; i++) f[i] = i, val[i] = 1, varval[i] = color[i] = resseen[tolit(i)] = resseen[tolit(-i)] = 0;
+    for (int i = 1; i <= clauses; i++) clause_delete[i] = 0;
+    int len = 0;
+    for (int i = 1; i <= clauses; i++) {
+        if (clause[i].size() != 2) continue;
+        nxtc[++len] = i;
+        ll id1 = mapv(clause[i][0], clause[i][1]),
+           id2 = mapv(clause[i][1], clause[i][0]);
+        C->insert(id1, i);
+        C->insert(id2, i);
+    }
+    int simplify = 1, turn = 0;
+    while (simplify) {
+        simplify = 0;
+        ++turn;
+        int s1 = 0, s2 = 0, s3 = 0;
+        for (int k = 1; k <= len; k++) {
+            int i = nxtc[k];
+            if (clause[i].size() != 2 || clause_delete[i]) continue;
+            ll id1 = mapv(negative(clause[i][0]), negative(clause[i][1])),
+               id2 = mapv(clause[i][0], negative(clause[i][1])),
+               id3 = mapv(negative(clause[i][0]), clause[i][1]);
+            int r = C->get(id1, 0);
+            if (r) {
+                simplify = 1;
+                ++s1;
+                clause_delete[r] = clause_delete[i] = 1;
+                int u = toiidx(clause[i][0]), v = toiidx(clause[i][1]);
+                int fa = find(u), fb = find(v);
+                int sig = sign(clause[i][0]) * sign(clause[i][1]) * (-1);
+                //sig == 1 : a = b   -1 : a = -b
+                if (fa != fb) {
+                    if (fa < fb) {
+                        f[fa] = fb;
+                        val[fa] = sig / (val[u] * val[v]);
+                        if (varval[fa])
+                            varval[fb] = val[fa] * varval[fa];
+                    }
+                    else if (fa > fb) {
+                        f[fb] = fa;
+                        val[fb] = sig / (val[u] * val[v]);
+                        if (varval[fb])
+                            varval[fa] = val[fb] * varval[fb];
+                    }
+                }
+                else {
+                    if (sig != val[u] * val[v])
+                        return false;
+                }
+            }
+            int d1 = C->get(id2, 0);
+            if (d1) {
+                int v = toiidx(clause[i][0]);
+                if (varval[v] && varval[v] != sign(clause[i][0])) {
+                    return false;
+                }
+                clause_delete[d1] = clause_delete[i] = 1;
+                simplify = 1;
+                varval[v] = sign(clause[i][0]);
+            }
+            int d2 = C->get(id3, 0);
+            if (d2) {
+                int v = toiidx(clause[i][1]);
+                if (varval[v] && varval[v] != sign(clause[i][1])) {
+                    return false;
+                }
+                clause_delete[d2] = clause_delete[i] = 1;
+                simplify = 1;
+                varval[v] = sign(clause[i][1]); 
+            }
+        }
+
+        for (int i = 1; i <= vars; i++) {
+            int x = find(i);
+            if (varval[i] && x != i) {
+                if (varval[x]) {
+                    if (varval[x] != varval[i] * val[i])
+                        return false;
+                }
+                else varval[x] = varval[i] * val[i];
+            }
+        }
+        for (int i = 1; i <= vars; i++) 
+            if (varval[f[i]]) {
+                if (varval[i]) {
+                    if (varval[f[i]] != varval[i] * val[i])
+                        return false;
+                }
+                else varval[i] = varval[f[i]] * val[i];
+            }
+        len = 0;
+
+        for (int i = 1; i <= clauses; i++) {
+            if (clause_delete[i]) continue;
+            int l = clause[i].size(), oril = l;
+            for (int j = 0; j < l; j++) {
+                int v = toiidx(clause[i][j]), fa = f[v];
+                a[j] = tolit(sign(clause[i][j]) * val[v] * fa);
+            }
+            int t = 0;
+            for (int j = 0; j < l; j++) {
+                int x = varval[toiidx(a[j])];
+                if (x) {
+                    int k = x * sign(a[j]);
+                    if (k == 1) {
+                        if (!clause_delete[i]) simplify = 1;
+                        clause_delete[i] = 1, a[t++] = a[j];
+                    }
+                }
+                else a[t++] = a[j];
+            }
+            if (t == 0) return false;
+            if (t != l) simplify = 1, l = t;
+            
+            t = 0;
+            for (int j = 0; j < l; j++) {
+                if (resseen[a[j]] == i) continue;
+                resseen[a[j]] = i, a[t++] = a[j];
+            }
+            if (t != l) simplify = 1, l = t;
+            for (int j = 0; j < l; j++)
+                if (resseen[negative(a[j])] == i && !clause_delete[i]) {
+                    clause_delete[i] = 1, simplify = 1;
+                }
+            for (int j = 0; j < l; j++) resseen[a[j]] = 0;
+                
+            if (l == 1) {
+                if (sign(a[0]) * varval[toiidx(a[0])] == -1) return false;
+                varval[toiidx(a[0])] = sign(a[0]);
+                simplify = 1;
+            }
+            if (!clause_delete[i] && l == 2 && oril != 2) {
+                nxtc[++len] = i;
+                ll id1 = mapv(a[0], a[1]),
+                   id2 = mapv(a[1], a[0]);
+                C->insert(id1, i);
+                C->insert(id2, i);
+            }
+            else if (!clause_delete[i] && l == 2 &&  oril == 2) {
+                if (a[0] == clause[i][0] && a[1] == clause[i][1]) ;
+                else if (a[1] == clause[i][0] && a[0] == clause[i][1]) ;
+                else {
+                    nxtc[++len] = i;
+                    ll id1 = mapv(a[0], a[1]),
+                       id2 = mapv(a[1], a[0]);
+                    C->insert(id1, i);
+                    C->insert(id2, i);
+                }
+            }
+            clause[i].clear();
+            for (int j = 0; j < l; j++)
+                clause[i].push(a[j]);
+        }
+        
+        for (int i = 1; i <= vars; i++) {
+            int x = find(i);
+            if (varval[i] && x != i) {
+                if (varval[x]) {
+                    if (varval[x] != varval[i] * val[i])
+                        return false;
+                }
+                else varval[x] = varval[i] * val[i];
+            }
+        }
+        for (int i = 1; i <= vars; i++) 
+            if (varval[f[i]]) {
+                if (varval[i]) {
+                    if (varval[f[i]] != varval[i] * val[i])
+                        return false;
+                }
+                else varval[i] = varval[f[i]] * val[i];
+            }
+    }
+    printf("c turns: %d\n", turn);
+
+    for (int i = 1; i <= clauses; i++) {
+        if (clause_delete[i]) continue;
+        int l = clause[i].size();
+        for (int j = 0; j < l; j++) {
+            clause[i][j] = toeidx(clause[i][j]);
+        }
+    }
+
+    update_var_clause_label();
+    for (int i = 1; i <= orivars; i++) {
+        if (mapval[i]) continue;
+        int v = mapto[i], fa = find(v);
+        if (varval[v] || varval[fa]) {
+            mapval[i] = varval[v];
+            mapto[i] = 0;
+        }
+        else if (color[fa]) mapto[i] = color[fa] * val[v];
+        else {mapval[i] = val[v], mapto[i] = 0;}
+    }
+    
+    return true;
+}
\ No newline at end of file
diff --git a/src-light-solver/preprocess/binary.o b/src-light-solver/preprocess/binary.o
new file mode 100644
index 0000000..eb7a9e6
Binary files /dev/null and b/src-light-solver/preprocess/binary.o differ
diff --git a/src-light-solver/preprocess/card.cpp b/src-light-solver/preprocess/card.cpp
new file mode 100644
index 0000000..650d199
--- /dev/null
+++ b/src-light-solver/preprocess/card.cpp
@@ -0,0 +1,332 @@
+#include "preprocess.hpp"
+#include <algorithm>
+#include <cmath>
+
+int preprocess::search_almost_one() {
+    HashMap *C = new HashMap();
+    nlit = 2 * vars + 2;
+    occur = new vec<int>[nlit]; 
+    for (int i = 1; i <= clauses; i++) {
+        clause_delete[i] = 0;
+        if (clause[i].size() != 2) continue;
+        int x = tolit(clause[i][0]);
+        int y = tolit(clause[i][1]);
+        ll id1 = mapv(x, y);
+        ll id2 = mapv(y, x);
+        C->insert(id1, i);
+        C->insert(id2, i);
+        occur[x].push(y);
+        occur[y].push(x);
+    }
+    for (int i = 1; i <= vars; i++) 
+        seen[tolit(i)] = seen[tolit(-i)] = 0;
+    int t = 0;
+    vec<int> ino, nei;
+    for (int i = 0; i < vars * 2; i++) {
+        if (seen[i] || !occur[i].size()) continue;
+        seen[i] = 1;
+        nei.clear();
+        for (int j = 0; j < occur[i].size(); j++)
+            if (!seen[occur[i][j]])
+                nei.push(occur[i][j]);
+        do {
+            ino.clear();
+            ino.push(i);
+            for (int j = 0; j < nei.size(); j++) {
+                int v = nei[j], flag = 1;
+                for (int k = 0; k < ino.size(); k++) {
+                    ll id = mapv(v, ino[k]);
+                    int d1 = C->get(id, 0);
+                    if (!d1) {flag = 0; break;}
+                    q[k] = d1;
+                }
+                if (flag) {
+                    for (int k = 0; k < ino.size(); k++) {
+                        clause_delete[q[k]] = 1;
+                        ll id1 = mapv(v, ino[k]), id2 = mapv(ino[k], v);
+                        C->erase(id1);
+                        C->erase(id2);
+                    }
+                    ino.push(v);
+                }
+            }
+            if (ino.size() >= 2) {
+                card_one.push();
+                for (int j = 0; j < ino.size(); j++) {
+                    card_one[card_one.size() - 1].push(-toeidx(ino[j]));
+                }
+            }
+        } while (ino.size() != 1);
+    }
+    for (int i = 0; i < nlit; i++)
+        occur[i].clear(true);
+    delete []occur;
+    return card_one.size();
+}
+
+void preprocess::upd_occur(int v, int s) {
+    int x = abs(v);
+    int t = 0;
+    if (v > 0) {
+        for (int j = 0; j < occurp[x].size(); j++)
+            if (occurp[x][j] != s) occurp[x][t++] = occurp[x][j]; 
+        // assert(t == occurp[x].size() - 1);
+        occurp[x].setsize(t);
+    }
+    else {
+        for (int j = 0; j < occurn[x].size(); j++)
+            if (occurn[x][j] != s) occurn[x][t++] = occurn[x][j];
+        // assert(t == occurn[x].size() - 1);
+        occurn[x].setsize(t);
+    }
+}
+
+int preprocess::scc_almost_one() {
+    for (int i = 1; i <= vars; i++) {
+        occurp[i].clear();
+        occurn[i].clear();
+    }
+    cdel.growTo(card_one.size(), 0);
+    for (int i = 0; i < card_one.size(); i++) {
+        for (int j = 0; j < card_one[i].size(); j++)
+            if (card_one[i][j] > 0)
+                occurp[card_one[i][j]].push(i);
+            else 
+                occurn[-card_one[i][j]].push(i);
+    }
+    int flag = 1;
+    do {
+        flag = 0;
+        for (int i = 1; i <= vars; i++) {
+            if (!occurp[i].size() || !occurn[i].size()) continue;
+            if (card_one.size() + occurp[i].size() * occurp[i].size() > 1e7 / vars) return 0;
+            flag = 1;
+            for (int ip = 0; ip < occurp[i].size(); ip++) 
+                cdel[occurp[i][ip]] = 1;
+            for (int in = 0; in < occurn[i].size(); in++) 
+                cdel[occurn[i][in]] = 1;
+            for (int ip = 0; ip < occurp[i].size(); ip++) {
+                int op = occurp[i][ip];
+                for (int in = 0; in < occurn[i].size(); in++) {
+                    int on = occurn[i][in];
+                    card_one.push();
+                    cdel.push(0);
+                    int id = card_one.size() - 1;
+                    for (int j = 0; j < card_one[op].size(); j++) {
+                        int v = card_one[op][j];
+                        if (abs(v) != i) {
+                            card_one[id].push(v);
+                            if (v > 0) occurp[v].push(id);
+                            else occurn[-v].push(id);
+                        }
+                    }
+                    for (int j = 0; j < card_one[on].size(); j++) {
+                        int v = card_one[on][j];
+                        if (abs(v) != i) {
+                            card_one[id].push(v);
+                            if (v > 0) occurp[v].push(id);
+                            else occurn[-v].push(id);
+                        }
+                    }
+                }
+            }
+            for (int ip = 0; ip < occurp[i].size(); ip++) {
+                int op = occurp[i][ip];
+                for (int j = 0; j < card_one[op].size(); j++)
+                    upd_occur(card_one[op][j], op);
+            }
+            
+            for (int in = 0; in < occurn[i].size(); in++) {
+                int on = occurn[i][in];
+                for (int j = 0; j < card_one[on].size(); j++)
+                    upd_occur(card_one[on][j], on);
+            }
+        }       
+    } while(flag);
+    int t = 0;
+    for (int i = 0 ; i < card_one.size(); i++) {
+        if (cdel[i]) continue;
+        ++t;
+    }
+    return t;
+}
+
+int preprocess::check_card(int id) { //0: wrong  -1:useless    1:normal
+    int ps = 0, ns = 0, t = -1;
+    double poss = 0, negs = 0;
+    for (int j = 1; j <= vars; j++) {
+        if (fabs(mat[id][j]) < 1e-6) continue;
+        t = j;
+        if (mat[id][j] > 0) ++ps, poss += mat[id][j];
+        if (mat[id][j] < 0) ++ns, negs += mat[id][j];
+    }
+    if (ns + ps == 1) {
+        double r = mat[id][0] / mat[id][t];
+        if (ps) {
+            if (fabs(r) < 1e-6);
+            else if (r < 0) {
+                return 0;
+            }
+            return -1;
+        }
+        if (ns) {
+            if (fabs(r - 1) < 1e-6);
+            else if (r > 1) {
+                return 0;
+            }
+            return -1;
+        }
+    }
+    if (ns + ps == 0) {
+        if (mat[id][0] < -(1e-6)) {
+            return 0;
+        }
+        return -1;   
+    }
+    if (poss <= mat[id][0]) {
+        return -1;
+    }
+    if (negs >= mat[id][0]) {
+        if (negs == mat[id][0]) {
+            //unit
+        }
+        else return 0;
+    }
+    if (mat[id][0] == 0) {
+        if (ps == 0) {
+            return -1;
+        }
+        else if (ns == 0) {
+            //unit
+        }
+    }
+    return 1;
+}
+
+int preprocess::card_elimination() {
+    //sigma aixi <= b
+    vec<int> row_size;
+    for (int i = 0; i < card_one.size(); i++) {
+        if (cdel[i]) continue;
+        int b = 1;
+        mat.push();
+        row_size.push(card_one[i].size());
+        int id = mat.size() - 1;
+        mat[id].growTo(vars + 1, 0);
+        for (int j = 0; j < card_one[i].size(); j++) {
+            if (card_one[i][j] < 0) b--;
+            mat[id][abs(card_one[i][j])] += pnsign(card_one[i][j]);
+        }
+        mat[id][0] = b;
+    }
+    for (int i = 0; i < card_one.size(); i++)
+        card_one[i].clear(true);
+    card_one.clear(true);
+    cdel.clear(true);   
+    for (int i = 1; i <= clauses; i++) {
+        if (clause_delete[i]) continue;
+        int b = 1;
+        for (int j = 0; j < clause[i].size(); j++)
+            if (clause[i][j] < 0) b--;
+        //convert >= to <=
+        mat.push();
+        row_size.push(clause[i].size());
+        int id = mat.size() - 1;
+        mat[id].growTo(vars + 1, 0);
+        for (int j = 0; j < clause[i].size(); j++) {
+            mat[id][abs(clause[i][j])] += -pnsign(clause[i][j]);
+        }
+        mat[id][0] = -b;
+    }
+    int row = mat.size();
+    vec<int> mat_del, upp, low, var_score1, var_score2;
+    mat_del.growTo(row, 0);
+    var_score1.growTo(vars + 1, 0);
+    var_score2.growTo(vars + 1, 0);
+    for (int v = 1; v <= vars; v++) {
+        upp.clear();
+        low.clear();
+        for (int i = 0; i < row; i++) {
+            if (fabs(mat[i][v]) < 1e-6) continue;
+            if (mat[i][v] > 0) 
+                upp.push(i);
+            else
+                low.push(i);
+        }
+        var_score1[v] = upp.size() * low.size();
+        for (int i = 0; i < upp.size(); i++)
+            for (int j = 0; j < low.size(); j++) 
+                var_score2[v] += row_size[upp[i]] * row_size[low[j]];
+    }
+    vec<int> elim;
+    elim.growTo(vars + 1, 0);
+    for (int turn = 1; turn <= vars; turn++) {
+        int v = 0;
+        for (int i = 1; i <= vars; i++) {
+            if (elim[i]) continue;
+            if (!v) v = i;
+            else {
+                if (var_score1[i] < var_score1[v]) v = i;
+                else if (var_score1[i] == var_score1[v] && var_score2[i] < var_score2[v])
+                    v = i;
+            }
+        }
+        elim[v] = 1;
+        upp.clear();
+        low.clear();
+        for (int i = 0; i < row; i++) {
+            if (mat_del[i]) continue;
+            if (fabs(mat[i][v]) < 1e-6) continue;
+            mat_del[i] = 1;
+            if (mat[i][v] > 0) { 
+                upp.push(i);
+            }
+            else {
+                low.push(i);
+            }
+        }
+        if (mat.size() + upp.size() * low.size() > 1e7/vars || mat.size() > 1e3) return 1;
+        for (int iu = 0; iu < upp.size(); iu++) {
+            int u = upp[iu];
+            for (int il = 0; il < low.size(); il++) {
+                int l = low[il];
+                double b = mat[u][0] / mat[u][v] + mat[l][0] / (-mat[l][v]);
+                mat.push();
+                mat_del.push(0);
+                int id = mat.size() - 1;
+                mat[id].growTo(vars + 1, 0);
+                for (int j = 0; j <= vars; j++)
+                    mat[id][j] = mat[u][j] / mat[u][v] + mat[l][j] / (-mat[l][v]);
+                
+                int check_res = check_card(id);
+                if (check_res == 0) return 0;
+                if (check_res == -1) mat.pop();
+            }
+        }
+        row = mat.size();
+    }
+    return 1;
+}
+
+int preprocess::preprocess_card() {
+    int sone = search_almost_one();
+    printf("c [CE] almost one cons: %d\n", sone);
+    if (!sone) return 1;
+    int scc = scc_almost_one();
+    int sz = card_one.size();
+    for (int i = 1; i <= clauses; i++)
+        if (!clause_delete[i]) ++sz;
+    if (sz > 1e7 / vars || !scc || sz > 1e3) {
+        for (int i = 0; i < card_one.size(); i++)
+            card_one[i].clear(true);
+        card_one.clear(true);
+        cdel.clear(true);
+        return 1;
+    }
+    // printf("c [CE] scc cons: %d\n", scc);
+    int res = card_elimination();
+    for (int i = 0; i < mat.size(); i++)
+        mat[i].clear(true);
+    mat.clear(true);
+    return res;
+}
\ No newline at end of file
diff --git a/src-light-solver/preprocess/card.o b/src-light-solver/preprocess/card.o
new file mode 100644
index 0000000..811a98f
Binary files /dev/null and b/src-light-solver/preprocess/card.o differ
diff --git a/src-light-solver/preprocess/gauss.cpp b/src-light-solver/preprocess/gauss.cpp
new file mode 100644
index 0000000..ebb394b
--- /dev/null
+++ b/src-light-solver/preprocess/gauss.cpp
@@ -0,0 +1,254 @@
+#include "preprocess.hpp"
+#include <algorithm>
+#include "m4ri/m4ri.h"
+#define MAX_XOR 6
+
+bool cmpvar(int x, int y) {
+    return abs(x) < abs(y);
+}
+
+int preprocess::cal_dup_val(int i) {
+    for (int j = 0; j < clause[i].size(); j++) a[j] = clause[i][j];
+    std::sort(a, a + clause[i].size(), cmpvar);
+    int v = 0;
+    for (int j = 0; j < clause[i].size(); j++)
+        if (a[j] < 0) v |= (1 << j);
+    return v;
+}
+
+int preprocess::search_xors() {
+    vec<int> xorsp;
+    vec<bool> dup_table;
+    for (int i = 1; i <= vars; i++) {
+        seen[i] = 0;
+        occurp[i].clear();
+        occurn[i].clear();
+    } 
+    for (int i = 1; i <= clauses; i++) {
+        abstract[i] = clause_delete[i] = nxtc[i] = 0;
+        int l = clause[i].size();
+        for (int j = 0; j < l; j++) {
+            if (clause[i][j] > 0) occurp[clause[i][j]].push(i);
+            else occurn[-clause[i][j]].push(i);
+            abstract[i] |= 1 << (abs(clause[i][j]) & 31);
+        }
+    }
+    for (int i = 1; i <= clauses; i++) {
+        if (nxtc[i] || clause_delete[i]) continue;
+        nxtc[i] = 1;
+        int l = clause[i].size();
+        if (l <= 2 || l > MAX_XOR) continue;
+        int required_num = 1 << (l - 2), skip = 0, mino = clauses + 1, mino_id = 0;
+        for (int j = 0; j < l; j++) {
+            int idx = abs(clause[i][j]);
+            if (occurp[idx].size() < required_num || occurn[idx].size() < required_num) {
+                skip = 1; break;
+            }
+            if (occurp[idx].size() + occurn[idx].size() < mino) {
+                mino = occurp[idx].size() + occurn[idx].size();
+                mino_id = idx;
+            }
+        }
+        if (skip) continue;
+        xorsp.clear();
+        xorsp.push(i);
+        for (int j = 0; j < occurp[mino_id].size(); j++) {
+            int o = occurp[mino_id][j];
+            if (!clause_delete[o] && !nxtc[o] && clause[o].size() == l && abstract[o] == abstract[i])
+                xorsp.push(o);
+        }
+        for (int j = 0; j < occurn[mino_id].size(); j++) {
+            int o = occurn[mino_id][j];
+            if (!clause_delete[o] && !nxtc[o] && clause[o].size() == l && abstract[o] == abstract[i])
+                xorsp.push(o);
+        }
+        if (xorsp.size() < 2 * required_num) continue;
+
+        int rhs[2] = {0, 0};
+        for (int j = 0; j < l; j++)
+            seen[abs(clause[i][j])] = i;
+        dup_table.clear();
+        dup_table.growTo(1 << MAX_XOR, false);
+        
+        for (int j = 0; j < xorsp.size(); j++) {
+            int o = xorsp[j], dup_v;
+            bool xor_sign = true;
+            for (int k = 0; k < clause[o].size(); k++) {
+                if (!seen[abs(clause[o][k])]) goto Next;
+                if (clause[o][k] < 0) xor_sign = !xor_sign;
+            }
+            dup_v = cal_dup_val(o);
+            if (dup_table[dup_v]) continue;
+            dup_table[dup_v] = true;
+            rhs[xor_sign]++;
+            if (j) nxtc[o] = 1;
+        Next:;
+        }
+        assert(rhs[0] <= 2 * required_num);
+        assert(rhs[1] <= 2 * required_num);
+        if (rhs[0] == 2 * required_num)
+            xors.push(xorgate(i, 0, l));
+        if (rhs[1] == 2 * required_num)
+            xors.push(xorgate(i, 1, l));
+    }
+    return xors.size();
+}
+
+bool cmpxorgate(xorgate a, xorgate b) {
+    return a.sz > b.sz;
+}
+
+int preprocess::ecc_var() {
+    scc_id.clear();
+    scc_id.growTo(vars + 1, -1);
+    scc.clear();
+    //sort(xors.data, xors.data + xors.sz, cmpxorgate);
+    vec<int> xids;
+
+    for (int i = 0; i < xors.size(); i++) {
+        int x = xors[i].c;
+        xids.clear();
+        for (int j = 0; j < clause[x].size(); j++)
+            if (scc_id[abs(clause[x][j])] != -1)
+                xids.push(scc_id[abs(clause[x][j])]);
+
+        if (xids.size() == 0) {
+            scc.push();
+            for (int j = 0; j < clause[x].size(); j++) {
+                scc_id[abs(clause[x][j])] = scc.size() - 1;
+                scc[scc.size() - 1].push(abs(clause[x][j]));
+            }
+        }
+        else if (xids.size() == 1) {
+            int id = xids[0];
+            for (int j = 0; j < clause[x].size(); j++) {
+                if (scc_id[abs(clause[x][j])] == -1) {
+                    scc_id[abs(clause[x][j])] = id;
+                    scc[id].push(abs(clause[x][j]));
+                }
+            }
+        }
+        else {
+            int id_max = -1; int sz_max = 0;
+            for (int j = 0; j < xids.size(); j++)
+                if (scc[xids[j]].size() > sz_max)
+                    sz_max = scc[xids[j]].size(), id_max = xids[j];
+            for (int j = 0; j < xids.size(); j++) {
+                if (xids[j] != id_max) {
+                    vec<int>& v = scc[xids[j]];
+                    for (int k = 0; k < v.size(); k++) {
+                        scc_id[v[k]] = id_max;
+                        scc[id_max].push(v[k]);
+                    }
+                    v.clear();
+                }
+            }
+            for (int j = 0; j < clause[x].size(); j++) {
+                if (scc_id[abs(clause[x][j])] == -1) {
+                    scc_id[abs(clause[x][j])] = id_max;
+                    scc[id_max].push(abs(clause[x][j]));
+                }
+            }
+        }
+    }
+    return scc.size();
+}
+
+int preprocess::ecc_xor() {
+    for (int i = 0; i < scc.size(); i++) seen[i] = -1;
+    for (int i = 0; i < xors.size(); i++) {
+        int id = scc_id[abs(clause[xors[i].c][0])];
+        if (seen[id] == -1) xor_scc.push(), seen[id] = xor_scc.size() - 1;
+        int id2 = seen[id];
+        xor_scc[id2].push(i);
+    }
+    return xor_scc.size();
+}
+
+int preprocess::gauss_elimination() {
+    gauss_eli_unit = gauss_eli_binary = 0;
+    vec<int> v2mzd(vars + 1, -1);
+    vec<int> mzd2v;
+    for (int i = 0; i < xor_scc.size(); i++) {
+        if (xor_scc[i].size() == 1) continue;
+        int id = scc_id[abs(clause[xors[xor_scc[i][0]].c][0])];
+        assert(scc[id].size() > 3);
+        if (scc[id].size() > 1e7 / xor_scc[i].size()) continue;
+        mzd2v.clear();
+        std::sort(scc[id].data, scc[id].data + scc[id].size(), cmpvar);
+        for (int j = 0; j < scc[id].size(); j++) {
+            assert(scc[id][j] > 0);
+            assert(scc[id][j] <= vars);
+            v2mzd[scc[id][j]] = j;
+            mzd2v.push(scc[id][j]);
+        }
+        int cols = scc[id].size() + 1;
+        mzd_t* mat = mzd_init(xor_scc[i].size(), cols);
+        for (int row = 0; row < xor_scc[i].size(); row++) {
+            int k = xors[xor_scc[i][row]].c;
+            for (int j = 0; j < clause[k].size(); j++) 
+                mzd_write_bit(mat, row, v2mzd[abs(clause[k][j])], 1);
+            if (xors[xor_scc[i][row]].rhs) 
+                mzd_write_bit(mat, row, cols - 1, 1); 
+        }
+        mzd_echelonize(mat, true);
+        mzd_free(mat);
+        for (int row = 0, rhs; row < xor_scc[i].size(); row++) {
+            vec<int> ones;
+            for (int col = 0; col < cols - 1; col++) 
+                if (mzd_read_bit(mat, row, col)) {
+                    if (ones.size() == 2) goto NextRow;
+                    ones.push(mzd2v[col]);
+                }
+            
+            rhs = mzd_read_bit(mat, row, cols - 1);
+            if (ones.size() == 1) {
+                ++gauss_eli_unit;
+                clause.push();
+                ++clauses;
+                clause[clauses].push(ones[0] * (rhs ? 1 : -1));
+            }
+            else if (ones.size() == 2) {
+                ++gauss_eli_binary;
+                // assert(clauses == clause.size() - 1);
+                int p = ones[0], q = rhs ? ones[1] : -ones[1];
+                clause.push();
+                ++clauses;
+                clause[clauses].push(p);
+                clause[clauses].push(q);
+                clause.push();
+                ++clauses;
+                clause[clauses].push(-p);
+                clause[clauses].push(-q);
+            }
+            else if (rhs) {return false;}
+        NextRow:;
+        }
+    }
+    return true;
+}
+
+bool preprocess::preprocess_gauss() {
+    int nxors = search_xors();
+    // printf("c [GE] XORs: %d (time: 0.00)\n", nxors);
+    if (!nxors) return true;
+    int nvarscc = ecc_var();
+    // printf("c [GE] VAR SCC: %d\n", nvarscc);
+    int nxorscc = ecc_xor();
+    // printf("c [GE] XOR SCCs: %d (time: 0.00)\n", nxorscc);
+    int res = gauss_elimination();
+    // printf("c [GE] unary xor: %d, bin xor: %d, bin added\n", gauss_eli_unit, gauss_eli_binary);
+    // if (!res) {printf("c [GE] UNSAT\n");}
+    xors.clear(true);
+    scc_id.clear(true);
+    for (int i = 0; i < scc.size(); i++)
+        scc[i].clear(true);
+    scc.clear(true);
+    for (int i = 0; i < xor_scc.size(); i++)
+        xor_scc[i].clear(true);
+    xor_scc.clear(true);
+    if (!res) return false;
+    clause_delete.growTo(clauses + 1, 0);
+    nxtc.growTo(clauses + 1, 0);
+    return true;
+}
\ No newline at end of file
diff --git a/src-light-solver/preprocess/gauss.o b/src-light-solver/preprocess/gauss.o
new file mode 100644
index 0000000..10471f3
Binary files /dev/null and b/src-light-solver/preprocess/gauss.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so
new file mode 100755
index 0000000..79272f0
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri-0.0.20140914.so differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.a b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.a
new file mode 100644
index 0000000..b9306d8
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.a differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.la b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.la
new file mode 120000
index 0000000..e152ccb
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.la
@@ -0,0 +1 @@
+../libm4ri.la
\ No newline at end of file
diff --git a/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.lai b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.lai
new file mode 100644
index 0000000..80dae2f
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.lai
@@ -0,0 +1,41 @@
+# libm4ri.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='libm4ri-0.0.20140914.so'
+
+# Names of this library.
+library_names='libm4ri-0.0.20140914.so libm4ri-0.0.20140914.so libm4ri.so'
+
+# The name of the static archive.
+old_library='libm4ri.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libm4ri.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/usr/local/lib'
diff --git a/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.so b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.so
new file mode 120000
index 0000000..0acb404
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/.libs/libm4ri.so
@@ -0,0 +1 @@
+libm4ri-0.0.20140914.so
\ No newline at end of file
diff --git a/src-light-solver/preprocess/m4ri-20140914/AUTHORS b/src-light-solver/preprocess/m4ri-20140914/AUTHORS
new file mode 100644
index 0000000..a7e11c5
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/AUTHORS
@@ -0,0 +1,37 @@
+ * Tim Abbott: Debian-isation & advice on correct libtool versioning;
+
+ * Martin Albrecht: maintainer, release manager, peformance tuning
+   (M4RM, M4RI, Strassen, PLE), initial M4RM implementation,
+   parallelisation, PLE factorisation (MMPF algorithm);
+
+ * Gregory Bard: initial author, M4RI algorithm and initial
+   implementation;
+
+ * Marco Bodrato: new Strassen-like sequence for matrix multiplication
+   and squaring which improves performance for squaring;
+
+ * Michael Brickenstein: PolyBoRi author, standard conformity
+   contributions for ANSIC, test data, discussion/suggestion of
+   performance improvements, fast vector-matrix products;
+
+ * Alexander Dreyer: PolyBoRi author, standard conformity
+   contributions for ANSIC;
+
+ * Jean-Guillaume Dumas: linear system resolution;
+ 
+ * William Hart: many performance improvements for matrix
+   multiplication and in general;
+
+ * David Harvey: parallel parity function used in classical
+   multiplication;
+
+ * David Kirkby: portability issues (Solaris, HP Unix);
+ 
+ * Clément Pernet: PLS factorisation, triangular system solving
+   (TRSM);
+
+ * Wael Said: test cases, feedback;
+
+ * Carlo Wood: bit-level optimisation (transpose, column swaps),
+   refactoring, benchmark(et)ing framework, test code, build system
+   clean-up;
\ No newline at end of file
diff --git a/src-light-solver/preprocess/m4ri-20140914/COPYING b/src-light-solver/preprocess/m4ri-20140914/COPYING
new file mode 100644
index 0000000..21b9363
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/COPYING
@@ -0,0 +1,341 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+               51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
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+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+
+Activities other than copying, distribution and modification are not
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+  1. You may copy and distribute verbatim copies of the Program's
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+You may charge a fee for the physical act of transferring a copy, and
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+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) 19yy name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/src-light-solver/preprocess/m4ri-20140914/ChangeLog b/src-light-solver/preprocess/m4ri-20140914/ChangeLog
new file mode 100644
index 0000000..e69de29
diff --git a/src-light-solver/preprocess/m4ri-20140914/INSTALL b/src-light-solver/preprocess/m4ri-20140914/INSTALL
new file mode 100644
index 0000000..2099840
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/INSTALL
@@ -0,0 +1,370 @@
+Installation Instructions
+*************************
+
+Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
+Inc.
+
+   Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.  This file is offered as-is,
+without warranty of any kind.
+
+Basic Installation
+==================
+
+   Briefly, the shell command `./configure && make && make install'
+should configure, build, and install this package.  The following
+more-detailed instructions are generic; see the `README' file for
+instructions specific to this package.  Some packages provide this
+`INSTALL' file but do not implement all of the features documented
+below.  The lack of an optional feature in a given package is not
+necessarily a bug.  More recommendations for GNU packages can be found
+in *note Makefile Conventions: (standards)Makefile Conventions.
+
+   The `configure' shell script attempts to guess correct values for
+various system-dependent variables used during compilation.  It uses
+those values to create a `Makefile' in each directory of the package.
+It may also create one or more `.h' files containing system-dependent
+definitions.  Finally, it creates a shell script `config.status' that
+you can run in the future to recreate the current configuration, and a
+file `config.log' containing compiler output (useful mainly for
+debugging `configure').
+
+   It can also use an optional file (typically called `config.cache'
+and enabled with `--cache-file=config.cache' or simply `-C') that saves
+the results of its tests to speed up reconfiguring.  Caching is
+disabled by default to prevent problems with accidental use of stale
+cache files.
+
+   If you need to do unusual things to compile the package, please try
+to figure out how `configure' could check whether to do them, and mail
+diffs or instructions to the address given in the `README' so they can
+be considered for the next release.  If you are using the cache, and at
+some point `config.cache' contains results you don't want to keep, you
+may remove or edit it.
+
+   The file `configure.ac' (or `configure.in') is used to create
+`configure' by a program called `autoconf'.  You need `configure.ac' if
+you want to change it or regenerate `configure' using a newer version
+of `autoconf'.
+
+   The simplest way to compile this package is:
+
+  1. `cd' to the directory containing the package's source code and type
+     `./configure' to configure the package for your system.
+
+     Running `configure' might take a while.  While running, it prints
+     some messages telling which features it is checking for.
+
+  2. Type `make' to compile the package.
+
+  3. Optionally, type `make check' to run any self-tests that come with
+     the package, generally using the just-built uninstalled binaries.
+
+  4. Type `make install' to install the programs and any data files and
+     documentation.  When installing into a prefix owned by root, it is
+     recommended that the package be configured and built as a regular
+     user, and only the `make install' phase executed with root
+     privileges.
+
+  5. Optionally, type `make installcheck' to repeat any self-tests, but
+     this time using the binaries in their final installed location.
+     This target does not install anything.  Running this target as a
+     regular user, particularly if the prior `make install' required
+     root privileges, verifies that the installation completed
+     correctly.
+
+  6. You can remove the program binaries and object files from the
+     source code directory by typing `make clean'.  To also remove the
+     files that `configure' created (so you can compile the package for
+     a different kind of computer), type `make distclean'.  There is
+     also a `make maintainer-clean' target, but that is intended mainly
+     for the package's developers.  If you use it, you may have to get
+     all sorts of other programs in order to regenerate files that came
+     with the distribution.
+
+  7. Often, you can also type `make uninstall' to remove the installed
+     files again.  In practice, not all packages have tested that
+     uninstallation works correctly, even though it is required by the
+     GNU Coding Standards.
+
+  8. Some packages, particularly those that use Automake, provide `make
+     distcheck', which can by used by developers to test that all other
+     targets like `make install' and `make uninstall' work correctly.
+     This target is generally not run by end users.
+
+Compilers and Options
+=====================
+
+   Some systems require unusual options for compilation or linking that
+the `configure' script does not know about.  Run `./configure --help'
+for details on some of the pertinent environment variables.
+
+   You can give `configure' initial values for configuration parameters
+by setting variables in the command line or in the environment.  Here
+is an example:
+
+     ./configure CC=c99 CFLAGS=-g LIBS=-lposix
+
+   *Note Defining Variables::, for more details.
+
+Compiling For Multiple Architectures
+====================================
+
+   You can compile the package for more than one kind of computer at the
+same time, by placing the object files for each architecture in their
+own directory.  To do this, you can use GNU `make'.  `cd' to the
+directory where you want the object files and executables to go and run
+the `configure' script.  `configure' automatically checks for the
+source code in the directory that `configure' is in and in `..'.  This
+is known as a "VPATH" build.
+
+   With a non-GNU `make', it is safer to compile the package for one
+architecture at a time in the source code directory.  After you have
+installed the package for one architecture, use `make distclean' before
+reconfiguring for another architecture.
+
+   On MacOS X 10.5 and later systems, you can create libraries and
+executables that work on multiple system types--known as "fat" or
+"universal" binaries--by specifying multiple `-arch' options to the
+compiler but only a single `-arch' option to the preprocessor.  Like
+this:
+
+     ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+                 CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+                 CPP="gcc -E" CXXCPP="g++ -E"
+
+   This is not guaranteed to produce working output in all cases, you
+may have to build one architecture at a time and combine the results
+using the `lipo' tool if you have problems.
+
+Installation Names
+==================
+
+   By default, `make install' installs the package's commands under
+`/usr/local/bin', include files under `/usr/local/include', etc.  You
+can specify an installation prefix other than `/usr/local' by giving
+`configure' the option `--prefix=PREFIX', where PREFIX must be an
+absolute file name.
+
+   You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If you
+pass the option `--exec-prefix=PREFIX' to `configure', the package uses
+PREFIX as the prefix for installing programs and libraries.
+Documentation and other data files still use the regular prefix.
+
+   In addition, if you use an unusual directory layout you can give
+options like `--bindir=DIR' to specify different values for particular
+kinds of files.  Run `configure --help' for a list of the directories
+you can set and what kinds of files go in them.  In general, the
+default for these options is expressed in terms of `${prefix}', so that
+specifying just `--prefix' will affect all of the other directory
+specifications that were not explicitly provided.
+
+   The most portable way to affect installation locations is to pass the
+correct locations to `configure'; however, many packages provide one or
+both of the following shortcuts of passing variable assignments to the
+`make install' command line to change installation locations without
+having to reconfigure or recompile.
+
+   The first method involves providing an override variable for each
+affected directory.  For example, `make install
+prefix=/alternate/directory' will choose an alternate location for all
+directory configuration variables that were expressed in terms of
+`${prefix}'.  Any directories that were specified during `configure',
+but not in terms of `${prefix}', must each be overridden at install
+time for the entire installation to be relocated.  The approach of
+makefile variable overrides for each directory variable is required by
+the GNU Coding Standards, and ideally causes no recompilation.
+However, some platforms have known limitations with the semantics of
+shared libraries that end up requiring recompilation when using this
+method, particularly noticeable in packages that use GNU Libtool.
+
+   The second method involves providing the `DESTDIR' variable.  For
+example, `make install DESTDIR=/alternate/directory' will prepend
+`/alternate/directory' before all installation names.  The approach of
+`DESTDIR' overrides is not required by the GNU Coding Standards, and
+does not work on platforms that have drive letters.  On the other hand,
+it does better at avoiding recompilation issues, and works well even
+when some directory options were not specified in terms of `${prefix}'
+at `configure' time.
+
+Optional Features
+=================
+
+   If the package supports it, you can cause programs to be installed
+with an extra prefix or suffix on their names by giving `configure' the
+option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
+
+   Some packages pay attention to `--enable-FEATURE' options to
+`configure', where FEATURE indicates an optional part of the package.
+They may also pay attention to `--with-PACKAGE' options, where PACKAGE
+is something like `gnu-as' or `x' (for the X Window System).  The
+`README' should mention any `--enable-' and `--with-' options that the
+package recognizes.
+
+   For packages that use the X Window System, `configure' can usually
+find the X include and library files automatically, but if it doesn't,
+you can use the `configure' options `--x-includes=DIR' and
+`--x-libraries=DIR' to specify their locations.
+
+   Some packages offer the ability to configure how verbose the
+execution of `make' will be.  For these packages, running `./configure
+--enable-silent-rules' sets the default to minimal output, which can be
+overridden with `make V=1'; while running `./configure
+--disable-silent-rules' sets the default to verbose, which can be
+overridden with `make V=0'.
+
+Particular systems
+==================
+
+   On HP-UX, the default C compiler is not ANSI C compatible.  If GNU
+CC is not installed, it is recommended to use the following options in
+order to use an ANSI C compiler:
+
+     ./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
+
+and if that doesn't work, install pre-built binaries of GCC for HP-UX.
+
+   HP-UX `make' updates targets which have the same time stamps as
+their prerequisites, which makes it generally unusable when shipped
+generated files such as `configure' are involved.  Use GNU `make'
+instead.
+
+   On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
+parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
+a workaround.  If GNU CC is not installed, it is therefore recommended
+to try
+
+     ./configure CC="cc"
+
+and if that doesn't work, try
+
+     ./configure CC="cc -nodtk"
+
+   On Solaris, don't put `/usr/ucb' early in your `PATH'.  This
+directory contains several dysfunctional programs; working variants of
+these programs are available in `/usr/bin'.  So, if you need `/usr/ucb'
+in your `PATH', put it _after_ `/usr/bin'.
+
+   On Haiku, software installed for all users goes in `/boot/common',
+not `/usr/local'.  It is recommended to use the following options:
+
+     ./configure --prefix=/boot/common
+
+Specifying the System Type
+==========================
+
+   There may be some features `configure' cannot figure out
+automatically, but needs to determine by the type of machine the package
+will run on.  Usually, assuming the package is built to be run on the
+_same_ architectures, `configure' can figure that out, but if it prints
+a message saying it cannot guess the machine type, give it the
+`--build=TYPE' option.  TYPE can either be a short name for the system
+type, such as `sun4', or a canonical name which has the form:
+
+     CPU-COMPANY-SYSTEM
+
+where SYSTEM can have one of these forms:
+
+     OS
+     KERNEL-OS
+
+   See the file `config.sub' for the possible values of each field.  If
+`config.sub' isn't included in this package, then this package doesn't
+need to know the machine type.
+
+   If you are _building_ compiler tools for cross-compiling, you should
+use the option `--target=TYPE' to select the type of system they will
+produce code for.
+
+   If you want to _use_ a cross compiler, that generates code for a
+platform different from the build platform, you should specify the
+"host" platform (i.e., that on which the generated programs will
+eventually be run) with `--host=TYPE'.
+
+Sharing Defaults
+================
+
+   If you want to set default values for `configure' scripts to share,
+you can create a site shell script called `config.site' that gives
+default values for variables like `CC', `cache_file', and `prefix'.
+`configure' looks for `PREFIX/share/config.site' if it exists, then
+`PREFIX/etc/config.site' if it exists.  Or, you can set the
+`CONFIG_SITE' environment variable to the location of the site script.
+A warning: not all `configure' scripts look for a site script.
+
+Defining Variables
+==================
+
+   Variables not defined in a site shell script can be set in the
+environment passed to `configure'.  However, some packages may run
+configure again during the build, and the customized values of these
+variables may be lost.  In order to avoid this problem, you should set
+them in the `configure' command line, using `VAR=value'.  For example:
+
+     ./configure CC=/usr/local2/bin/gcc
+
+causes the specified `gcc' to be used as the C compiler (unless it is
+overridden in the site shell script).
+
+Unfortunately, this technique does not work for `CONFIG_SHELL' due to
+an Autoconf limitation.  Until the limitation is lifted, you can use
+this workaround:
+
+     CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
+
+`configure' Invocation
+======================
+
+   `configure' recognizes the following options to control how it
+operates.
+
+`--help'
+`-h'
+     Print a summary of all of the options to `configure', and exit.
+
+`--help=short'
+`--help=recursive'
+     Print a summary of the options unique to this package's
+     `configure', and exit.  The `short' variant lists options used
+     only in the top level, while the `recursive' variant lists options
+     also present in any nested packages.
+
+`--version'
+`-V'
+     Print the version of Autoconf used to generate the `configure'
+     script, and exit.
+
+`--cache-file=FILE'
+     Enable the cache: use and save the results of the tests in FILE,
+     traditionally `config.cache'.  FILE defaults to `/dev/null' to
+     disable caching.
+
+`--config-cache'
+`-C'
+     Alias for `--cache-file=config.cache'.
+
+`--quiet'
+`--silent'
+`-q'
+     Do not print messages saying which checks are being made.  To
+     suppress all normal output, redirect it to `/dev/null' (any error
+     messages will still be shown).
+
+`--srcdir=DIR'
+     Look for the package's source code in directory DIR.  Usually
+     `configure' can determine that directory automatically.
+
+`--prefix=DIR'
+     Use DIR as the installation prefix.  *note Installation Names::
+     for more details, including other options available for fine-tuning
+     the installation locations.
+
+`--no-create'
+`-n'
+     Run the configure checks, but stop before creating any output
+     files.
+
+`configure' also accepts some other, not widely useful, options.  Run
+`configure --help' for more details.
diff --git a/src-light-solver/preprocess/m4ri-20140914/Makefile b/src-light-solver/preprocess/m4ri-20140914/Makefile
new file mode 100644
index 0000000..02dc028
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/Makefile
@@ -0,0 +1,1900 @@
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
+# Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+
+
+
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+      *) echo "am__make_running_with_option: internal error: invalid" \
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+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
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+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
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+test_trsm$(EXEEXT): $(test_trsm_OBJECTS) $(test_trsm_DEPENDENCIES) $(EXTRA_test_trsm_DEPENDENCIES) 
+	@rm -f test_trsm$(EXEEXT)
+	$(AM_V_CCLD)$(test_trsm_LINK) $(test_trsm_OBJECTS) $(test_trsm_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+	-rm -f m4ri/*.$(OBJEXT)
+	-rm -f m4ri/*.lo
+	-rm -f testsuite/*.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+include m4ri/$(DEPDIR)/brilliantrussian.Plo
+include m4ri/$(DEPDIR)/debug_dump.Plo
+include m4ri/$(DEPDIR)/djb.Plo
+include m4ri/$(DEPDIR)/echelonform.Plo
+include m4ri/$(DEPDIR)/graycode.Plo
+include m4ri/$(DEPDIR)/io.Plo
+include m4ri/$(DEPDIR)/misc.Plo
+include m4ri/$(DEPDIR)/mmc.Plo
+include m4ri/$(DEPDIR)/mp.Plo
+include m4ri/$(DEPDIR)/mzd.Plo
+include m4ri/$(DEPDIR)/mzp.Plo
+include m4ri/$(DEPDIR)/ple.Plo
+include m4ri/$(DEPDIR)/ple_russian.Plo
+include m4ri/$(DEPDIR)/solve.Plo
+include m4ri/$(DEPDIR)/strassen.Plo
+include m4ri/$(DEPDIR)/triangular.Plo
+include m4ri/$(DEPDIR)/triangular_russian.Plo
+include testsuite/$(DEPDIR)/test_colswap-test_colswap.Po
+include testsuite/$(DEPDIR)/test_elimination-test_elimination.Po
+include testsuite/$(DEPDIR)/test_invert-test_invert.Po
+include testsuite/$(DEPDIR)/test_kernel-test_kernel.Po
+include testsuite/$(DEPDIR)/test_misc-test_misc.Po
+include testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Po
+include testsuite/$(DEPDIR)/test_ple-test_ple.Po
+include testsuite/$(DEPDIR)/test_random-test_random.Po
+include testsuite/$(DEPDIR)/test_smallops-test_smallops.Po
+include testsuite/$(DEPDIR)/test_smallops-testing.Po
+include testsuite/$(DEPDIR)/test_solve-test_solve.Po
+include testsuite/$(DEPDIR)/test_transpose-test_transpose.Po
+include testsuite/$(DEPDIR)/test_trsm-test_trsm.Po
+
+.c.o:
+	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+	$(am__mv) $$depbase.Tpo $$depbase.Po
+#	$(AM_V_CC)source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+	$(am__mv) $$depbase.Tpo $$depbase.Po
+#	$(AM_V_CC)source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+	$(am__mv) $$depbase.Tpo $$depbase.Plo
+#	$(AM_V_CC)source='$<' object='$@' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(LTCOMPILE) -c -o $@ $<
+
+testsuite/test_colswap-test_colswap.o: testsuite/test_colswap.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_colswap_CFLAGS) $(CFLAGS) -MT testsuite/test_colswap-test_colswap.o -MD -MP -MF testsuite/$(DEPDIR)/test_colswap-test_colswap.Tpo -c -o testsuite/test_colswap-test_colswap.o `test -f 'testsuite/test_colswap.c' || echo '$(srcdir)/'`testsuite/test_colswap.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_colswap-test_colswap.Tpo testsuite/$(DEPDIR)/test_colswap-test_colswap.Po
+#	$(AM_V_CC)source='testsuite/test_colswap.c' object='testsuite/test_colswap-test_colswap.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_colswap_CFLAGS) $(CFLAGS) -c -o testsuite/test_colswap-test_colswap.o `test -f 'testsuite/test_colswap.c' || echo '$(srcdir)/'`testsuite/test_colswap.c
+
+testsuite/test_colswap-test_colswap.obj: testsuite/test_colswap.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_colswap_CFLAGS) $(CFLAGS) -MT testsuite/test_colswap-test_colswap.obj -MD -MP -MF testsuite/$(DEPDIR)/test_colswap-test_colswap.Tpo -c -o testsuite/test_colswap-test_colswap.obj `if test -f 'testsuite/test_colswap.c'; then $(CYGPATH_W) 'testsuite/test_colswap.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_colswap.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_colswap-test_colswap.Tpo testsuite/$(DEPDIR)/test_colswap-test_colswap.Po
+#	$(AM_V_CC)source='testsuite/test_colswap.c' object='testsuite/test_colswap-test_colswap.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_colswap_CFLAGS) $(CFLAGS) -c -o testsuite/test_colswap-test_colswap.obj `if test -f 'testsuite/test_colswap.c'; then $(CYGPATH_W) 'testsuite/test_colswap.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_colswap.c'; fi`
+
+testsuite/test_elimination-test_elimination.o: testsuite/test_elimination.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_elimination_CFLAGS) $(CFLAGS) -MT testsuite/test_elimination-test_elimination.o -MD -MP -MF testsuite/$(DEPDIR)/test_elimination-test_elimination.Tpo -c -o testsuite/test_elimination-test_elimination.o `test -f 'testsuite/test_elimination.c' || echo '$(srcdir)/'`testsuite/test_elimination.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_elimination-test_elimination.Tpo testsuite/$(DEPDIR)/test_elimination-test_elimination.Po
+#	$(AM_V_CC)source='testsuite/test_elimination.c' object='testsuite/test_elimination-test_elimination.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_elimination_CFLAGS) $(CFLAGS) -c -o testsuite/test_elimination-test_elimination.o `test -f 'testsuite/test_elimination.c' || echo '$(srcdir)/'`testsuite/test_elimination.c
+
+testsuite/test_elimination-test_elimination.obj: testsuite/test_elimination.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_elimination_CFLAGS) $(CFLAGS) -MT testsuite/test_elimination-test_elimination.obj -MD -MP -MF testsuite/$(DEPDIR)/test_elimination-test_elimination.Tpo -c -o testsuite/test_elimination-test_elimination.obj `if test -f 'testsuite/test_elimination.c'; then $(CYGPATH_W) 'testsuite/test_elimination.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_elimination.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_elimination-test_elimination.Tpo testsuite/$(DEPDIR)/test_elimination-test_elimination.Po
+#	$(AM_V_CC)source='testsuite/test_elimination.c' object='testsuite/test_elimination-test_elimination.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_elimination_CFLAGS) $(CFLAGS) -c -o testsuite/test_elimination-test_elimination.obj `if test -f 'testsuite/test_elimination.c'; then $(CYGPATH_W) 'testsuite/test_elimination.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_elimination.c'; fi`
+
+testsuite/test_invert-test_invert.o: testsuite/test_invert.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_invert_CFLAGS) $(CFLAGS) -MT testsuite/test_invert-test_invert.o -MD -MP -MF testsuite/$(DEPDIR)/test_invert-test_invert.Tpo -c -o testsuite/test_invert-test_invert.o `test -f 'testsuite/test_invert.c' || echo '$(srcdir)/'`testsuite/test_invert.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_invert-test_invert.Tpo testsuite/$(DEPDIR)/test_invert-test_invert.Po
+#	$(AM_V_CC)source='testsuite/test_invert.c' object='testsuite/test_invert-test_invert.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_invert_CFLAGS) $(CFLAGS) -c -o testsuite/test_invert-test_invert.o `test -f 'testsuite/test_invert.c' || echo '$(srcdir)/'`testsuite/test_invert.c
+
+testsuite/test_invert-test_invert.obj: testsuite/test_invert.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_invert_CFLAGS) $(CFLAGS) -MT testsuite/test_invert-test_invert.obj -MD -MP -MF testsuite/$(DEPDIR)/test_invert-test_invert.Tpo -c -o testsuite/test_invert-test_invert.obj `if test -f 'testsuite/test_invert.c'; then $(CYGPATH_W) 'testsuite/test_invert.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_invert.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_invert-test_invert.Tpo testsuite/$(DEPDIR)/test_invert-test_invert.Po
+#	$(AM_V_CC)source='testsuite/test_invert.c' object='testsuite/test_invert-test_invert.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_invert_CFLAGS) $(CFLAGS) -c -o testsuite/test_invert-test_invert.obj `if test -f 'testsuite/test_invert.c'; then $(CYGPATH_W) 'testsuite/test_invert.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_invert.c'; fi`
+
+testsuite/test_kernel-test_kernel.o: testsuite/test_kernel.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_kernel_CFLAGS) $(CFLAGS) -MT testsuite/test_kernel-test_kernel.o -MD -MP -MF testsuite/$(DEPDIR)/test_kernel-test_kernel.Tpo -c -o testsuite/test_kernel-test_kernel.o `test -f 'testsuite/test_kernel.c' || echo '$(srcdir)/'`testsuite/test_kernel.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_kernel-test_kernel.Tpo testsuite/$(DEPDIR)/test_kernel-test_kernel.Po
+#	$(AM_V_CC)source='testsuite/test_kernel.c' object='testsuite/test_kernel-test_kernel.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_kernel_CFLAGS) $(CFLAGS) -c -o testsuite/test_kernel-test_kernel.o `test -f 'testsuite/test_kernel.c' || echo '$(srcdir)/'`testsuite/test_kernel.c
+
+testsuite/test_kernel-test_kernel.obj: testsuite/test_kernel.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_kernel_CFLAGS) $(CFLAGS) -MT testsuite/test_kernel-test_kernel.obj -MD -MP -MF testsuite/$(DEPDIR)/test_kernel-test_kernel.Tpo -c -o testsuite/test_kernel-test_kernel.obj `if test -f 'testsuite/test_kernel.c'; then $(CYGPATH_W) 'testsuite/test_kernel.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_kernel.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_kernel-test_kernel.Tpo testsuite/$(DEPDIR)/test_kernel-test_kernel.Po
+#	$(AM_V_CC)source='testsuite/test_kernel.c' object='testsuite/test_kernel-test_kernel.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_kernel_CFLAGS) $(CFLAGS) -c -o testsuite/test_kernel-test_kernel.obj `if test -f 'testsuite/test_kernel.c'; then $(CYGPATH_W) 'testsuite/test_kernel.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_kernel.c'; fi`
+
+testsuite/test_misc-test_misc.o: testsuite/test_misc.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_misc_CFLAGS) $(CFLAGS) -MT testsuite/test_misc-test_misc.o -MD -MP -MF testsuite/$(DEPDIR)/test_misc-test_misc.Tpo -c -o testsuite/test_misc-test_misc.o `test -f 'testsuite/test_misc.c' || echo '$(srcdir)/'`testsuite/test_misc.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_misc-test_misc.Tpo testsuite/$(DEPDIR)/test_misc-test_misc.Po
+#	$(AM_V_CC)source='testsuite/test_misc.c' object='testsuite/test_misc-test_misc.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_misc_CFLAGS) $(CFLAGS) -c -o testsuite/test_misc-test_misc.o `test -f 'testsuite/test_misc.c' || echo '$(srcdir)/'`testsuite/test_misc.c
+
+testsuite/test_misc-test_misc.obj: testsuite/test_misc.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_misc_CFLAGS) $(CFLAGS) -MT testsuite/test_misc-test_misc.obj -MD -MP -MF testsuite/$(DEPDIR)/test_misc-test_misc.Tpo -c -o testsuite/test_misc-test_misc.obj `if test -f 'testsuite/test_misc.c'; then $(CYGPATH_W) 'testsuite/test_misc.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_misc.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_misc-test_misc.Tpo testsuite/$(DEPDIR)/test_misc-test_misc.Po
+#	$(AM_V_CC)source='testsuite/test_misc.c' object='testsuite/test_misc-test_misc.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_misc_CFLAGS) $(CFLAGS) -c -o testsuite/test_misc-test_misc.obj `if test -f 'testsuite/test_misc.c'; then $(CYGPATH_W) 'testsuite/test_misc.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_misc.c'; fi`
+
+testsuite/test_multiplication-test_multiplication.o: testsuite/test_multiplication.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_multiplication_CFLAGS) $(CFLAGS) -MT testsuite/test_multiplication-test_multiplication.o -MD -MP -MF testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Tpo -c -o testsuite/test_multiplication-test_multiplication.o `test -f 'testsuite/test_multiplication.c' || echo '$(srcdir)/'`testsuite/test_multiplication.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Tpo testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Po
+#	$(AM_V_CC)source='testsuite/test_multiplication.c' object='testsuite/test_multiplication-test_multiplication.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_multiplication_CFLAGS) $(CFLAGS) -c -o testsuite/test_multiplication-test_multiplication.o `test -f 'testsuite/test_multiplication.c' || echo '$(srcdir)/'`testsuite/test_multiplication.c
+
+testsuite/test_multiplication-test_multiplication.obj: testsuite/test_multiplication.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_multiplication_CFLAGS) $(CFLAGS) -MT testsuite/test_multiplication-test_multiplication.obj -MD -MP -MF testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Tpo -c -o testsuite/test_multiplication-test_multiplication.obj `if test -f 'testsuite/test_multiplication.c'; then $(CYGPATH_W) 'testsuite/test_multiplication.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_multiplication.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Tpo testsuite/$(DEPDIR)/test_multiplication-test_multiplication.Po
+#	$(AM_V_CC)source='testsuite/test_multiplication.c' object='testsuite/test_multiplication-test_multiplication.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_multiplication_CFLAGS) $(CFLAGS) -c -o testsuite/test_multiplication-test_multiplication.obj `if test -f 'testsuite/test_multiplication.c'; then $(CYGPATH_W) 'testsuite/test_multiplication.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_multiplication.c'; fi`
+
+testsuite/test_ple-test_ple.o: testsuite/test_ple.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_ple_CFLAGS) $(CFLAGS) -MT testsuite/test_ple-test_ple.o -MD -MP -MF testsuite/$(DEPDIR)/test_ple-test_ple.Tpo -c -o testsuite/test_ple-test_ple.o `test -f 'testsuite/test_ple.c' || echo '$(srcdir)/'`testsuite/test_ple.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_ple-test_ple.Tpo testsuite/$(DEPDIR)/test_ple-test_ple.Po
+#	$(AM_V_CC)source='testsuite/test_ple.c' object='testsuite/test_ple-test_ple.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_ple_CFLAGS) $(CFLAGS) -c -o testsuite/test_ple-test_ple.o `test -f 'testsuite/test_ple.c' || echo '$(srcdir)/'`testsuite/test_ple.c
+
+testsuite/test_ple-test_ple.obj: testsuite/test_ple.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_ple_CFLAGS) $(CFLAGS) -MT testsuite/test_ple-test_ple.obj -MD -MP -MF testsuite/$(DEPDIR)/test_ple-test_ple.Tpo -c -o testsuite/test_ple-test_ple.obj `if test -f 'testsuite/test_ple.c'; then $(CYGPATH_W) 'testsuite/test_ple.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_ple.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_ple-test_ple.Tpo testsuite/$(DEPDIR)/test_ple-test_ple.Po
+#	$(AM_V_CC)source='testsuite/test_ple.c' object='testsuite/test_ple-test_ple.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_ple_CFLAGS) $(CFLAGS) -c -o testsuite/test_ple-test_ple.obj `if test -f 'testsuite/test_ple.c'; then $(CYGPATH_W) 'testsuite/test_ple.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_ple.c'; fi`
+
+testsuite/test_random-test_random.o: testsuite/test_random.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_random_CFLAGS) $(CFLAGS) -MT testsuite/test_random-test_random.o -MD -MP -MF testsuite/$(DEPDIR)/test_random-test_random.Tpo -c -o testsuite/test_random-test_random.o `test -f 'testsuite/test_random.c' || echo '$(srcdir)/'`testsuite/test_random.c
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_random-test_random.Tpo testsuite/$(DEPDIR)/test_random-test_random.Po
+#	$(AM_V_CC)source='testsuite/test_random.c' object='testsuite/test_random-test_random.o' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(AM_V_CC_no)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_random_CFLAGS) $(CFLAGS) -c -o testsuite/test_random-test_random.o `test -f 'testsuite/test_random.c' || echo '$(srcdir)/'`testsuite/test_random.c
+
+testsuite/test_random-test_random.obj: testsuite/test_random.c
+	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_random_CFLAGS) $(CFLAGS) -MT testsuite/test_random-test_random.obj -MD -MP -MF testsuite/$(DEPDIR)/test_random-test_random.Tpo -c -o testsuite/test_random-test_random.obj `if test -f 'testsuite/test_random.c'; then $(CYGPATH_W) 'testsuite/test_random.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/test_random.c'; fi`
+	$(AM_V_at)$(am__mv) testsuite/$(DEPDIR)/test_random-test_random.Tpo testsuite/$(DEPDIR)/test_random-test_random.Po
+#	$(AM_V_CC)source='testsuite/test_random.c' object='testsuite/test_random-test_random.obj' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
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+	}; \
+	{								\
+	  echo "$(PACKAGE_STRING): $(subdir)/$(TEST_SUITE_LOG)" |	\
+	    $(am__rst_title);						\
+	  create_testsuite_report --no-color;				\
+	  echo;								\
+	  echo ".. contents:: :depth: 2";				\
+	  echo;								\
+	  for b in $$bases; do echo $$b; done				\
+	    | $(am__create_global_log);					\
+	} >$(TEST_SUITE_LOG).tmp || exit 1;				\
+	mv $(TEST_SUITE_LOG).tmp $(TEST_SUITE_LOG);			\
+	if $$success; then						\
+	  col="$$grn";							\
+	 else								\
+	  col="$$red";							\
+	  test x"$$VERBOSE" = x || cat $(TEST_SUITE_LOG);		\
+	fi;								\
+	echo "$${col}$$br$${std}"; 					\
+	echo "$${col}Testsuite summary for $(PACKAGE_STRING)$${std}";	\
+	echo "$${col}$$br$${std}"; 					\
+	create_testsuite_report --maybe-color;				\
+	echo "$$col$$br$$std";						\
+	if $$success; then :; else					\
+	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG)$${std}";		\
+	  if test -n "$(PACKAGE_BUGREPORT)"; then			\
+	    echo "$${col}Please report to $(PACKAGE_BUGREPORT)$${std}";	\
+	  fi;								\
+	  echo "$$col$$br$$std";					\
+	fi;								\
+	$$success || exit 1
+
+check-TESTS:
+	@list='$(RECHECK_LOGS)';           test -z "$$list" || rm -f $$list
+	@list='$(RECHECK_LOGS:.log=.trs)'; test -z "$$list" || rm -f $$list
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	trs_list=`for i in $$bases; do echo $$i.trs; done`; \
+	log_list=`echo $$log_list`; trs_list=`echo $$trs_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) TEST_LOGS="$$log_list"; \
+	exit $$?;
+recheck: all $(check_PROGRAMS)
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	bases=`for i in $$bases; do echo $$i; done \
+	         | $(am__list_recheck_tests)` || exit 1; \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	log_list=`echo $$log_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) \
+	        am__force_recheck=am--force-recheck \
+	        TEST_LOGS="$$log_list"; \
+	exit $$?
+test_multiplication.log: test_multiplication$(EXEEXT)
+	@p='test_multiplication$(EXEEXT)'; \
+	b='test_multiplication'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_elimination.log: test_elimination$(EXEEXT)
+	@p='test_elimination$(EXEEXT)'; \
+	b='test_elimination'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_trsm.log: test_trsm$(EXEEXT)
+	@p='test_trsm$(EXEEXT)'; \
+	b='test_trsm'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_ple.log: test_ple$(EXEEXT)
+	@p='test_ple$(EXEEXT)'; \
+	b='test_ple'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_solve.log: test_solve$(EXEEXT)
+	@p='test_solve$(EXEEXT)'; \
+	b='test_solve'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_kernel.log: test_kernel$(EXEEXT)
+	@p='test_kernel$(EXEEXT)'; \
+	b='test_kernel'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_random.log: test_random$(EXEEXT)
+	@p='test_random$(EXEEXT)'; \
+	b='test_random'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_smallops.log: test_smallops$(EXEEXT)
+	@p='test_smallops$(EXEEXT)'; \
+	b='test_smallops'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_transpose.log: test_transpose$(EXEEXT)
+	@p='test_transpose$(EXEEXT)'; \
+	b='test_transpose'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_colswap.log: test_colswap$(EXEEXT)
+	@p='test_colswap$(EXEEXT)'; \
+	b='test_colswap'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_invert.log: test_invert$(EXEEXT)
+	@p='test_invert$(EXEEXT)'; \
+	b='test_invert'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_misc.log: test_misc$(EXEEXT)
+	@p='test_misc$(EXEEXT)'; \
+	b='test_misc'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+#.test$(EXEEXT).log:
+#	@p='$<'; \
+#	$(am__set_b); \
+#	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+#	--log-file $$b.log --trs-file $$b.trs \
+#	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+#	"$$tst" $(AM_TESTS_FD_REDIRECT)
+
+distdir: $(DISTFILES)
+	$(am__remove_distdir)
+	test -d "$(distdir)" || mkdir "$(distdir)"
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	-test -n "$(am__skip_mode_fix)" \
+	|| find "$(distdir)" -type d ! -perm -755 \
+		-exec chmod u+rwx,go+rx {} \; -o \
+	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
+	|| chmod -R a+r "$(distdir)"
+dist-gzip: distdir
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	$(am__post_remove_distdir)
+
+dist-bzip2: distdir
+	tardir=$(distdir) && $(am__tar) | BZIP2=$${BZIP2--9} bzip2 -c >$(distdir).tar.bz2
+	$(am__post_remove_distdir)
+
+dist-lzip: distdir
+	tardir=$(distdir) && $(am__tar) | lzip -c $${LZIP_OPT--9} >$(distdir).tar.lz
+	$(am__post_remove_distdir)
+
+dist-xz: distdir
+	tardir=$(distdir) && $(am__tar) | XZ_OPT=$${XZ_OPT--e} xz -c >$(distdir).tar.xz
+	$(am__post_remove_distdir)
+
+dist-tarZ: distdir
+	@echo WARNING: "Support for shar distribution archives is" \
+	               "deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
+	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
+	$(am__post_remove_distdir)
+
+dist-shar: distdir
+	@echo WARNING: "Support for distribution archives compressed with" \
+		       "legacy program 'compress' is deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
+	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
+	$(am__post_remove_distdir)
+
+dist-zip: distdir
+	-rm -f $(distdir).zip
+	zip -rq $(distdir).zip $(distdir)
+	$(am__post_remove_distdir)
+
+dist dist-all:
+	$(MAKE) $(AM_MAKEFLAGS) $(DIST_TARGETS) am__post_remove_distdir='@:'
+	$(am__post_remove_distdir)
+
+# This target untars the dist file and tries a VPATH configuration.  Then
+# it guarantees that the distribution is self-contained by making another
+# tarfile.
+distcheck: dist
+	case '$(DIST_ARCHIVES)' in \
+	*.tar.gz*) \
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
+	*.tar.bz2*) \
+	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
+	*.tar.lz*) \
+	  lzip -dc $(distdir).tar.lz | $(am__untar) ;;\
+	*.tar.xz*) \
+	  xz -dc $(distdir).tar.xz | $(am__untar) ;;\
+	*.tar.Z*) \
+	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
+	*.shar.gz*) \
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
+	*.zip*) \
+	  unzip $(distdir).zip ;;\
+	esac
+	chmod -R a-w $(distdir)
+	chmod u+w $(distdir)
+	mkdir $(distdir)/_build $(distdir)/_inst
+	chmod a-w $(distdir)
+	test -d $(distdir)/_build || exit 0; \
+	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
+	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
+	  && am__cwd=`pwd` \
+	  && $(am__cd) $(distdir)/_build \
+	  && ../configure \
+	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
+	    $(DISTCHECK_CONFIGURE_FLAGS) \
+	    --srcdir=.. --prefix="$$dc_install_base" \
+	  && $(MAKE) $(AM_MAKEFLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
+	  && $(MAKE) $(AM_MAKEFLAGS) check \
+	  && $(MAKE) $(AM_MAKEFLAGS) install \
+	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+	  && $(MAKE) $(AM_MAKEFLAGS) uninstall \
+	  && $(MAKE) $(AM_MAKEFLAGS) distuninstallcheck_dir="$$dc_install_base" \
+	        distuninstallcheck \
+	  && chmod -R a-w "$$dc_install_base" \
+	  && ({ \
+	       (cd ../.. && umask 077 && mkdir "$$dc_destdir") \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" install \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" uninstall \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" \
+	            distuninstallcheck_dir="$$dc_destdir" distuninstallcheck; \
+	      } || { rm -rf "$$dc_destdir"; exit 1; }) \
+	  && rm -rf "$$dc_destdir" \
+	  && $(MAKE) $(AM_MAKEFLAGS) dist \
+	  && rm -rf $(DIST_ARCHIVES) \
+	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
+	  && cd "$$am__cwd" \
+	  || exit 1
+	$(am__post_remove_distdir)
+	@(echo "$(distdir) archives ready for distribution: "; \
+	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
+	  sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
+distuninstallcheck:
+	@test -n '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: trying to run $@ with an empty' \
+	       '$$(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	$(am__cd) '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: cannot chdir into $(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	test `$(am__distuninstallcheck_listfiles) | wc -l` -eq 0 \
+	   || { echo "ERROR: files left after uninstall:" ; \
+	        if test -n "$(DESTDIR)"; then \
+	          echo "  (check DESTDIR support)"; \
+	        fi ; \
+	        $(distuninstallcheck_listfiles) ; \
+	        exit 1; } >&2
+distcleancheck: distclean
+	@if test '$(srcdir)' = . ; then \
+	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
+	  exit 1 ; \
+	fi
+	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
+	  || { echo "ERROR: files left in build directory after distclean:" ; \
+	       $(distcleancheck_listfiles) ; \
+	       exit 1; } >&2
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile $(LTLIBRARIES) $(DATA) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(pkgincludesubdir)" "$(DESTDIR)$(pkgincludesubdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-rm -f m4ri/$(DEPDIR)/$(am__dirstamp)
+	-rm -f m4ri/$(am__dirstamp)
+	-rm -f testsuite/$(DEPDIR)/$(am__dirstamp)
+	-rm -f testsuite/$(am__dirstamp)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libLTLIBRARIES \
+	clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf m4ri/$(DEPDIR) testsuite/$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-hdr distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-nodist_pkgincludesubHEADERS \
+	install-pkgconfigDATA install-pkgincludesubHEADERS
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-libLTLIBRARIES
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
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+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf $(top_srcdir)/autom4te.cache
+	-rm -rf m4ri/$(DEPDIR) testsuite/$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-libLTLIBRARIES \
+	uninstall-nodist_pkgincludesubHEADERS uninstall-pkgconfigDATA \
+	uninstall-pkgincludesubHEADERS
+
+.MAKE: all check check-am install install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--refresh check check-TESTS \
+	check-am clean clean-checkPROGRAMS clean-cscope clean-generic \
+	clean-libLTLIBRARIES clean-libtool cscope cscopelist-am ctags \
+	ctags-am dist dist-all dist-bzip2 dist-gzip dist-lzip \
+	dist-shar dist-tarZ dist-xz dist-zip distcheck distclean \
+	distclean-compile distclean-generic distclean-hdr \
+	distclean-libtool distclean-tags distcleancheck distdir \
+	distuninstallcheck dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am \
+	install-libLTLIBRARIES install-man \
+	install-nodist_pkgincludesubHEADERS install-pdf install-pdf-am \
+	install-pkgconfigDATA install-pkgincludesubHEADERS install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am recheck tags tags-am \
+	uninstall uninstall-am uninstall-libLTLIBRARIES \
+	uninstall-nodist_pkgincludesubHEADERS uninstall-pkgconfigDATA \
+	uninstall-pkgincludesubHEADERS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src-light-solver/preprocess/m4ri-20140914/Makefile.am b/src-light-solver/preprocess/m4ri-20140914/Makefile.am
new file mode 100644
index 0000000..7c935cd
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/Makefile.am
@@ -0,0 +1,113 @@
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+	m4ri/misc.c \
+	m4ri/mzd.c \
+	m4ri/graycode.c \
+	m4ri/strassen.c \
+	m4ri/mzp.c \
+	m4ri/triangular.c \
+	m4ri/triangular_russian.c \
+	m4ri/ple.c \
+	m4ri/ple_russian.c \
+	m4ri/solve.c \
+	m4ri/echelonform.c \
+	m4ri/mmc.c \
+	m4ri/debug_dump.c \
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+	m4ri/graycode.h \
+	m4ri/strassen.h \
+	m4ri/parity.h \
+	m4ri/mzp.h \
+	m4ri/triangular.h \
+	m4ri/triangular_russian.h \
+	m4ri/ple.h \
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+	m4ri/ple_russian_template.h \
+	m4ri/solve.h \
+	m4ri/echelonform.h \
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+	m4ri/debug_dump.h \
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+
diff --git a/src-light-solver/preprocess/m4ri-20140914/Makefile.in b/src-light-solver/preprocess/m4ri-20140914/Makefile.in
new file mode 100644
index 0000000..be893ca
--- /dev/null
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+  if test -d "$(distdir)"; then \
+    find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
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+      || { sleep 5 && rm -rf "$(distdir)"; }; \
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+AM_CFLAGS = ${SIMD_CFLAGS} ${OPENMP_CFLAGS} ${DEBUG_FLAGS}
+lib_LTLIBRARIES = libm4ri.la
+libm4ri_la_SOURCES = \
+	m4ri/brilliantrussian.c \
+	m4ri/misc.c \
+	m4ri/mzd.c \
+	m4ri/graycode.c \
+	m4ri/strassen.c \
+	m4ri/mzp.c \
+	m4ri/triangular.c \
+	m4ri/triangular_russian.c \
+	m4ri/ple.c \
+	m4ri/ple_russian.c \
+	m4ri/solve.c \
+	m4ri/echelonform.c \
+	m4ri/mmc.c \
+	m4ri/debug_dump.c \
+	m4ri/io.c \
+	m4ri/djb.c \
+	m4ri/mp.c	
+
+BUILT_SOURCES = m4ri/m4ri_config.h
+pkgincludesubdir = $(includedir)/m4ri
+pkgincludesub_HEADERS = m4ri/m4ri.h \
+	m4ri/brilliantrussian.h \
+	m4ri/misc.h \
+	m4ri/mzd.h \
+	m4ri/graycode.h \
+	m4ri/strassen.h \
+	m4ri/parity.h \
+	m4ri/mzp.h \
+	m4ri/triangular.h \
+	m4ri/triangular_russian.h \
+	m4ri/ple.h \
+	m4ri/ple_russian.h \
+	m4ri/ple_russian_template.h \
+	m4ri/solve.h \
+	m4ri/echelonform.h \
+	m4ri/xor.h \
+	m4ri/xor_template.h \
+	m4ri/mmc.h \
+	m4ri/debug_dump.h \
+	m4ri/io.h \
+	m4ri/djb.h \
+	m4ri/mp.h
+
+nodist_pkgincludesub_HEADERS = m4ri/m4ri_config.h
+EXTRA_DIST = m4ri/Doxyfile
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = m4ri.pc
+libm4ri_la_LDFLAGS = -release 0.0.$(RELEASE) -no-undefined
+libm4ri_la_LIBADD = $(LIBPNG_LIBADD)
+test_multiplication_SOURCES = testsuite/test_multiplication.c
+test_multiplication_LDFLAGS = -lm4ri -lm
+test_multiplication_CFLAGS = $(AM_CFLAGS)
+test_elimination_SOURCES = testsuite/test_elimination.c
+test_elimination_LDFLAGS = -lm4ri -lm
+test_elimination_CFLAGS = $(AM_CFLAGS)
+test_trsm_SOURCES = testsuite/test_trsm.c
+test_trsm_LDFLAGS = -lm4ri -lm
+test_trsm_CFLAGS = $(AM_CFLAGS)
+test_ple_SOURCES = testsuite/test_ple.c
+test_ple_LDFLAGS = -lm4ri -lm
+test_ple_CFLAGS = $(AM_CFLAGS)
+test_solve_SOURCES = testsuite/test_solve.c
+test_solve_LDFLAGS = -lm4ri -lm
+test_solve_CFLAGS = $(AM_CFLAGS)
+test_kernel_SOURCES = testsuite/test_kernel.c
+test_kernel_LDFLAGS = -lm4ri -lm
+test_kernel_CFLAGS = $(AM_CFLAGS)
+test_random_SOURCES = testsuite/test_random.c
+test_random_LDFLAGS = -lm4ri -lm
+test_random_CFLAGS = $(AM_CFLAGS)
+test_smallops_SOURCES = testsuite/test_smallops.c testsuite/testing.c testsuite/testing.h
+test_smallops_LDFLAGS = -lm4ri -lm
+test_smallops_CFLAGS = $(AM_CFLAGS)
+test_transpose_SOURCES = testsuite/test_transpose.c
+test_transpose_LDFLAGS = -lm4ri -lm
+test_transpose_CFLAGS = $(AM_CFLAGS)
+test_colswap_SOURCES = testsuite/test_colswap.c
+test_colswap_LDFLAGS = -lm4ri -lm
+test_colswap_CFLAGS = $(AM_CFLAGS)
+test_invert_SOURCES = testsuite/test_invert.c
+test_invert_LDFLAGS = -lm4ri -lm
+test_invert_CFLAGS = $(AM_CFLAGS)
+test_misc_SOURCES = testsuite/test_misc.c
+test_misc_LDFLAGS = -lm4ri -lm
+test_misc_CFLAGS = $(AM_CFLAGS)
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .log .o .obj .test .test$(EXEEXT) .trs
+am--refresh: Makefile
+	@:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      echo ' cd $(srcdir) && $(AUTOMAKE) --foreign'; \
+	      $(am__cd) $(srcdir) && $(AUTOMAKE) --foreign \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    echo ' $(SHELL) ./config.status'; \
+	    $(SHELL) ./config.status;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	$(SHELL) ./config.status --recheck
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	$(am__cd) $(srcdir) && $(AUTOCONF)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+$(am__aclocal_m4_deps):
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+m4ri/config.h: m4ri/stamp-h1
+	@test -f $@ || rm -f m4ri/stamp-h1
+	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) m4ri/stamp-h1
+
+m4ri/stamp-h1: $(top_srcdir)/m4ri/config.h.in $(top_builddir)/config.status
+	@rm -f m4ri/stamp-h1
+	cd $(top_builddir) && $(SHELL) ./config.status m4ri/config.h
+$(top_srcdir)/m4ri/config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) 
+	($(am__cd) $(top_srcdir) && $(AUTOHEADER))
+	rm -f m4ri/stamp-h1
+	touch $@
+
+distclean-hdr:
+	-rm -f m4ri/config.h m4ri/stamp-h1
+testsuite/Makefile: $(top_builddir)/config.status $(top_srcdir)/testsuite/Makefile.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+m4ri/m4ri_config.h: $(top_builddir)/config.status $(top_srcdir)/m4ri/m4ri_config.h.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+m4ri.pc: $(top_builddir)/config.status $(srcdir)/m4ri.pc.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	@list='$(lib_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/NEWS b/src-light-solver/preprocess/m4ri-20140914/NEWS
new file mode 100644
index 0000000..e69de29
diff --git a/src-light-solver/preprocess/m4ri-20140914/aclocal.m4 b/src-light-solver/preprocess/m4ri-20140914/aclocal.m4
new file mode 100644
index 0000000..b3d587d
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/aclocal.m4
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+fi])])
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+
+# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
+# written in clear, in which case automake, when reading aclocal.m4,
+# will think it sees a *use*, and therefore will trigger all it's
+# C support machinery.  Also note that it means that autoscan, seeing
+# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
+
+
+# _AM_DEPENDENCIES(NAME)
+# ----------------------
+# See how the compiler implements dependency checking.
+# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
+# We try a few techniques and use that to set a single cache variable.
+#
+# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
+# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
+# dependency, and given that the user is not expected to run this macro,
+# just rely on AC_PROG_CC.
+AC_DEFUN([_AM_DEPENDENCIES],
+[AC_REQUIRE([AM_SET_DEPDIR])dnl
+AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
+AC_REQUIRE([AM_MAKE_INCLUDE])dnl
+AC_REQUIRE([AM_DEP_TRACK])dnl
+
+m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
+      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
+      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
+      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
+      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
+      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
+                    [depcc="$$1"   am_compiler_list=])
+
+AC_CACHE_CHECK([dependency style of $depcc],
+               [am_cv_$1_dependencies_compiler_type],
+[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_$1_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
+  fi
+  am__universal=false
+  m4_case([$1], [CC],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac],
+    [CXX],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac])
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
+])
+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
+
+
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE([dependency-tracking], [dnl
+AS_HELP_STRING(
+  [--enable-dependency-tracking],
+  [do not reject slow dependency extractors])
+AS_HELP_STRING(
+  [--disable-dependency-tracking],
+  [speeds up one-time build])])
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+AC_SUBST([am__nodep])dnl
+_AM_SUBST_NOTMAKE([am__nodep])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[{
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named 'Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`AS_DIRNAME("$mf")`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running 'make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "$am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`AS_DIRNAME(["$file"])`
+      AS_MKDIR_P([$dirpart/$fdir])
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking
+# is enabled.  FIXME.  This creates each '.P' file that we will
+# need in order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This macro actually does too much.  Some checks are only needed if
+# your package does certain things.  But this isn't really a big deal.
+
+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
+m4_define([AC_PROG_CC],
+m4_defn([AC_PROG_CC])
+[_AM_PROG_CC_C_O
+])
+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out.  PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition.  After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.65])dnl
+dnl Autoconf wants to disallow AM_ names.  We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[AC_DIAGNOSE([obsolete],
+             [$0: two- and three-arguments forms are deprecated.])
+m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(
+  m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
+  [ok:ok],,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
+ AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
+AM_MISSING_PROG([AUTOCONF], [autoconf])
+AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
+AM_MISSING_PROG([AUTOHEADER], [autoheader])
+AM_MISSING_PROG([MAKEINFO], [makeinfo])
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+		  [_AM_DEPENDENCIES([CC])],
+		  [m4_define([AC_PROG_CC],
+			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES([CXX])],
+		  [m4_define([AC_PROG_CXX],
+			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES([OBJC])],
+		  [m4_define([AC_PROG_OBJC],
+			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+		  [_AM_DEPENDENCIES([OBJCXX])],
+		  [m4_define([AC_PROG_OBJCXX],
+			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
+])
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
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+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
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+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+])
+
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
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+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
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+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
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+  case $_am_header in
+    $_am_arg | $_am_arg:* )
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+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST([install_sh])])
+
+# Copyright (C) 2003-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
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+  am__leading_dot=.
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+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
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+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
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+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
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+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
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+fi
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+
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
+
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_RUN_LOG(COMMAND)
+# -------------------
+# Run COMMAND, save the exit status in ac_status, and log it.
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+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
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+   (exit $ac_status); }])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
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+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
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+# with or without modifications, as long as this notice is preserved.
+
+# AM_SANITY_CHECK
+# ---------------
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+'
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+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
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+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
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+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$[*]" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$[*]" != "X $srcdir/configure conftest.file" \
+	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment])
+     fi
+     if test "$[2]" = conftest.file || test $am_try -eq 2; then
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+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+  [AC_MSG_CHECKING([that generated files are newer than configure])
+   if test -n "$am_sleep_pid"; then
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+     wait $am_sleep_pid 2>/dev/null
+   fi
+   AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
+
+# Copyright (C) 2009-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
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+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
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+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
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+  am_cv_make_support_nested_variables=no
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+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
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+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
+
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor 'install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in "make install-strip", and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
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+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
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+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
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+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
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+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+#
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
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+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
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+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+
+  [pax],
+    [],
+
+  [m4_fatal([Unknown tar format])])
+
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
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+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
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+
+    # If the value was cached, stop now.  We just wanted to have am__tar
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+    test -n "${am_cv_prog_tar_$1}" && break
+
+    # tar/untar a dummy directory, and stop if the command works.
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+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
+  rm -rf conftest.dir
+
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
+m4_include([m4/ax_cache_size.m4])
+m4_include([m4/ax_cache_size_tune.m4])
+m4_include([m4/ax_check_compiler_flags.m4])
+m4_include([m4/ax_cpu_vendor.m4])
+m4_include([m4/ax_ext.m4])
+m4_include([m4/ax_func_posix_memalign.m4])
+m4_include([m4/ax_gcc_x86_cpuid.m4])
+m4_include([m4/ax_guess_path_header.m4])
+m4_include([m4/ax_guess_path_lib.m4])
+m4_include([m4/ax_openmp.m4])
+m4_include([m4/libtool.m4])
+m4_include([m4/ltoptions.m4])
+m4_include([m4/ltsugar.m4])
+m4_include([m4/ltversion.m4])
+m4_include([m4/lt~obsolete.m4])
+m4_include([m4/pkg.m4])
diff --git a/src-light-solver/preprocess/m4ri-20140914/compile b/src-light-solver/preprocess/m4ri-20140914/compile
new file mode 100755
index 0000000..531136b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/compile
@@ -0,0 +1,347 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2012-10-14.11; # UTC
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/config.guess b/src-light-solver/preprocess/m4ri-20140914/config.guess
new file mode 100755
index 0000000..1f5c50c
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/config.guess
@@ -0,0 +1,1420 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+#   Copyright 1992-2014 Free Software Foundation, Inc.
+
+timestamp='2014-03-23'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+#
+# Originally written by Per Bothner.
+#
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+#
+# Please send patches with a ChangeLog entry to config-patches@gnu.org.
+
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright 1992-2014 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+	for c in cc gcc c89 c99 ; do
+	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	if test x"$CC_FOR_BUILD" = x ; then
+	  CC_FOR_BUILD=no_compiler_found ;
+	fi
+	;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+	PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+case "${UNAME_SYSTEM}" in
+Linux|GNU|GNU/*)
+	# If the system lacks a compiler, then just pick glibc.
+	# We could probably try harder.
+	LIBC=gnu
+
+	eval $set_cc_for_build
+	cat <<-EOF > $dummy.c
+	#include <features.h>
+	#if defined(__UCLIBC__)
+	LIBC=uclibc
+	#elif defined(__dietlibc__)
+	LIBC=dietlibc
+	#else
+	LIBC=gnu
+	#endif
+	EOF
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
+	;;
+esac
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+    *:NetBSD:*:*)
+	# NetBSD (nbsd) targets should (where applicable) match one or
+	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	sysctl="sysctl -n hw.machine_arch"
+	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	case "${UNAME_MACHINE_ARCH}" in
+	    armeb) machine=armeb-unknown ;;
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently, or will in the future.
+	case "${UNAME_MACHINE_ARCH}" in
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		eval $set_cc_for_build
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep -q __ELF__
+		then
+		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+		    # Return netbsd for either.  FIX?
+		    os=netbsd
+		else
+		    os=netbsdelf
+		fi
+		;;
+	    *)
+		os=netbsd
+		;;
+	esac
+	# The OS release
+	# Debian GNU/NetBSD machines have a different userland, and
+	# thus, need a distinct triplet. However, they do not need
+	# kernel version information, so it can be replaced with a
+	# suitable tag, in the style of linux-gnu.
+	case "${UNAME_VERSION}" in
+	    Debian*)
+		release='-gnu'
+		;;
+	    *)
+		release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+		;;
+	esac
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	echo "${machine}-${os}${release}"
+	exit ;;
+    *:Bitrig:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
+	exit ;;
+    *:OpenBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+	exit ;;
+    *:ekkoBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+	exit ;;
+    *:SolidBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+	exit ;;
+    macppc:MirBSD:*:*)
+	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    *:MirBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    alpha:OSF1:*:*)
+	case $UNAME_RELEASE in
+	*4.0)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+		;;
+	*5.*)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+		;;
+	esac
+	# According to Compaq, /usr/sbin/psrinfo has been available on
+	# OSF/1 and Tru64 systems produced since 1995.  I hope that
+	# covers most systems running today.  This code pipes the CPU
+	# types through head -n 1, so we only detect the type of CPU 0.
+	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+	case "$ALPHA_CPU_TYPE" in
+	    "EV4 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV4.5 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "LCA4 (21066/21068)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV5 (21164)")
+		UNAME_MACHINE="alphaev5" ;;
+	    "EV5.6 (21164A)")
+		UNAME_MACHINE="alphaev56" ;;
+	    "EV5.6 (21164PC)")
+		UNAME_MACHINE="alphapca56" ;;
+	    "EV5.7 (21164PC)")
+		UNAME_MACHINE="alphapca57" ;;
+	    "EV6 (21264)")
+		UNAME_MACHINE="alphaev6" ;;
+	    "EV6.7 (21264A)")
+		UNAME_MACHINE="alphaev67" ;;
+	    "EV6.8CB (21264C)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8AL (21264B)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8CX (21264D)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.9A (21264/EV69A)")
+		UNAME_MACHINE="alphaev69" ;;
+	    "EV7 (21364)")
+		UNAME_MACHINE="alphaev7" ;;
+	    "EV7.9 (21364A)")
+		UNAME_MACHINE="alphaev79" ;;
+	esac
+	# A Pn.n version is a patched version.
+	# A Vn.n version is a released version.
+	# A Tn.n version is a released field test version.
+	# A Xn.n version is an unreleased experimental baselevel.
+	# 1.2 uses "1.2" for uname -r.
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+	exitcode=$?
+	trap '' 0
+	exit $exitcode ;;
+    Alpha\ *:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit ;;
+    21064:Windows_NT:50:3)
+	echo alpha-dec-winnt3.5
+	exit ;;
+    Amiga*:UNIX_System_V:4.0:*)
+	echo m68k-unknown-sysv4
+	exit ;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-amigaos
+	exit ;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-morphos
+	exit ;;
+    *:OS/390:*:*)
+	echo i370-ibm-openedition
+	exit ;;
+    *:z/VM:*:*)
+	echo s390-ibm-zvmoe
+	exit ;;
+    *:OS400:*:*)
+	echo powerpc-ibm-os400
+	exit ;;
+    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+	echo arm-acorn-riscix${UNAME_RELEASE}
+	exit ;;
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
+	echo arm-unknown-riscos
+	exit ;;
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit ;;
+    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+	if test "`(/bin/universe) 2>/dev/null`" = att ; then
+		echo pyramid-pyramid-sysv3
+	else
+		echo pyramid-pyramid-bsd
+	fi
+	exit ;;
+    NILE*:*:*:dcosx)
+	echo pyramid-pyramid-svr4
+	exit ;;
+    DRS?6000:unix:4.0:6*)
+	echo sparc-icl-nx6
+	exit ;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+	case `/usr/bin/uname -p` in
+	    sparc) echo sparc-icl-nx7; exit ;;
+	esac ;;
+    s390x:SunOS:*:*)
+	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
+	echo i386-pc-auroraux${UNAME_RELEASE}
+	exit ;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+	eval $set_cc_for_build
+	SUN_ARCH="i386"
+	# If there is a compiler, see if it is configured for 64-bit objects.
+	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
+	# This test works for both compilers.
+	if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+		(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		grep IS_64BIT_ARCH >/dev/null
+	    then
+		SUN_ARCH="x86_64"
+	    fi
+	fi
+	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:6*:*)
+	# According to config.sub, this is the proper way to canonicalize
+	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
+	# it's likely to be more like Solaris than SunOS4.
+	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:*:*)
+	case "`/usr/bin/arch -k`" in
+	    Series*|S4*)
+		UNAME_RELEASE=`uname -v`
+		;;
+	esac
+	# Japanese Language versions have a version number like `4.1.3-JL'.
+	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+	exit ;;
+    sun3*:SunOS:*:*)
+	echo m68k-sun-sunos${UNAME_RELEASE}
+	exit ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos${UNAME_RELEASE}
+		;;
+	    sun4)
+		echo sparc-sun-sunos${UNAME_RELEASE}
+		;;
+	esac
+	exit ;;
+    aushp:SunOS:*:*)
+	echo sparc-auspex-sunos${UNAME_RELEASE}
+	exit ;;
+    # The situation for MiNT is a little confusing.  The machine name
+    # can be virtually everything (everything which is not
+    # "atarist" or "atariste" at least should have a processor
+    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
+    # to the lowercase version "mint" (or "freemint").  Finally
+    # the system name "TOS" denotes a system which is actually not
+    # MiNT.  But MiNT is downward compatible to TOS, so this should
+    # be no problem.
+    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+	echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+	echo m68k-milan-mint${UNAME_RELEASE}
+	exit ;;
+    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+	echo m68k-hades-mint${UNAME_RELEASE}
+	exit ;;
+    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+	echo m68k-unknown-mint${UNAME_RELEASE}
+	exit ;;
+    m68k:machten:*:*)
+	echo m68k-apple-machten${UNAME_RELEASE}
+	exit ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit ;;
+    RISC*:Mach:*:*)
+	echo mips-dec-mach_bsd4.3
+	exit ;;
+    RISC*:ULTRIX:*:*)
+	echo mips-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    VAX*:ULTRIX*:*:*)
+	echo vax-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    2020:CLIX:*:* | 2430:CLIX:*:*)
+	echo clipper-intergraph-clix${UNAME_RELEASE}
+	exit ;;
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
+	int main (int argc, char *argv[]) {
+#else
+	int main (argc, argv) int argc; char *argv[]; {
+#endif
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c &&
+	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`$dummy $dummyarg` &&
+	    { echo "$SYSTEM_NAME"; exit; }
+	echo mips-mips-riscos${UNAME_RELEASE}
+	exit ;;
+    Motorola:PowerMAX_OS:*:*)
+	echo powerpc-motorola-powermax
+	exit ;;
+    Motorola:*:4.3:PL8-*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:Power_UNIX:*:*)
+	echo powerpc-harris-powerunix
+	exit ;;
+    m88k:CX/UX:7*:*)
+	echo m88k-harris-cxux7
+	exit ;;
+    m88k:*:4*:R4*)
+	echo m88k-motorola-sysv4
+	exit ;;
+    m88k:*:3*:R3*)
+	echo m88k-motorola-sysv3
+	exit ;;
+    AViiON:dgux:*:*)
+	# DG/UX returns AViiON for all architectures
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+	then
+	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
+	    then
+		echo m88k-dg-dgux${UNAME_RELEASE}
+	    else
+		echo m88k-dg-dguxbcs${UNAME_RELEASE}
+	    fi
+	else
+	    echo i586-dg-dgux${UNAME_RELEASE}
+	fi
+	exit ;;
+    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	echo m88k-dolphin-sysv3
+	exit ;;
+    M88*:*:R3*:*)
+	# Delta 88k system running SVR3
+	echo m88k-motorola-sysv3
+	exit ;;
+    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+	echo m88k-tektronix-sysv3
+	exit ;;
+    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+	echo m68k-tektronix-bsd
+	exit ;;
+    *:IRIX*:*:*)
+	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+	exit ;;
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
+	echo i386-ibm-aix
+	exit ;;
+    ia64:AIX:*:*)
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:2:3)
+	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		eval $set_cc_for_build
+		sed 's/^		//' << EOF >$dummy.c
+		#include <sys/systemcfg.h>
+
+		main()
+			{
+			if (!__power_pc())
+				exit(1);
+			puts("powerpc-ibm-aix3.2.5");
+			exit(0);
+			}
+EOF
+		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+		then
+			echo "$SYSTEM_NAME"
+		else
+			echo rs6000-ibm-aix3.2.5
+		fi
+	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+		echo rs6000-ibm-aix3.2.4
+	else
+		echo rs6000-ibm-aix3.2
+	fi
+	exit ;;
+    *:AIX:*:[4567])
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+		IBM_ARCH=rs6000
+	else
+		IBM_ARCH=powerpc
+	fi
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:*:*)
+	echo rs6000-ibm-aix
+	exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+	echo romp-ibm-bsd4.4
+	exit ;;
+    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
+	exit ;;                             # report: romp-ibm BSD 4.3
+    *:BOSX:*:*)
+	echo rs6000-bull-bosx
+	exit ;;
+    DPX/2?00:B.O.S.:*:*)
+	echo m68k-bull-sysv3
+	exit ;;
+    9000/[34]??:4.3bsd:1.*:*)
+	echo m68k-hp-bsd
+	exit ;;
+    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+	echo m68k-hp-bsd4.4
+	exit ;;
+    9000/[34678]??:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	case "${UNAME_MACHINE}" in
+	    9000/31? )            HP_ARCH=m68000 ;;
+	    9000/[34]?? )         HP_ARCH=m68k ;;
+	    9000/[678][0-9][0-9])
+		if [ -x /usr/bin/getconf ]; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+		    case "${sc_cpu_version}" in
+		      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+		      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+		      532)                      # CPU_PA_RISC2_0
+			case "${sc_kernel_bits}" in
+			  32) HP_ARCH="hppa2.0n" ;;
+			  64) HP_ARCH="hppa2.0w" ;;
+			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
+			esac ;;
+		    esac
+		fi
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^		//' << EOF >$dummy.c
+
+		#define _HPUX_SOURCE
+		#include <stdlib.h>
+		#include <unistd.h>
+
+		int main ()
+		{
+		#if defined(_SC_KERNEL_BITS)
+		    long bits = sysconf(_SC_KERNEL_BITS);
+		#endif
+		    long cpu  = sysconf (_SC_CPU_VERSION);
+
+		    switch (cpu)
+			{
+			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+			case CPU_PA_RISC2_0:
+		#if defined(_SC_KERNEL_BITS)
+			    switch (bits)
+				{
+				case 64: puts ("hppa2.0w"); break;
+				case 32: puts ("hppa2.0n"); break;
+				default: puts ("hppa2.0"); break;
+				} break;
+		#else  /* !defined(_SC_KERNEL_BITS) */
+			    puts ("hppa2.0"); break;
+		#endif
+			default: puts ("hppa1.0"); break;
+			}
+		    exit (0);
+		}
+EOF
+		    (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+		    test -z "$HP_ARCH" && HP_ARCH=hppa
+		fi ;;
+	esac
+	if [ ${HP_ARCH} = "hppa2.0w" ]
+	then
+	    eval $set_cc_for_build
+
+	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+	    # generating 64-bit code.  GNU and HP use different nomenclature:
+	    #
+	    # $ CC_FOR_BUILD=cc ./config.guess
+	    # => hppa2.0w-hp-hpux11.23
+	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+	    # => hppa64-hp-hpux11.23
+
+	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+		grep -q __LP64__
+	    then
+		HP_ARCH="hppa2.0w"
+	    else
+		HP_ARCH="hppa64"
+	    fi
+	fi
+	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+	exit ;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux${HPUX_REV}
+	exit ;;
+    3050*:HI-UX:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <unistd.h>
+	int
+	main ()
+	{
+	  long cpu = sysconf (_SC_CPU_VERSION);
+	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
+	     results, however.  */
+	  if (CPU_IS_PA_RISC (cpu))
+	    {
+	      switch (cpu)
+		{
+		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+		  default: puts ("hppa-hitachi-hiuxwe2"); break;
+		}
+	    }
+	  else if (CPU_IS_HP_MC68K (cpu))
+	    puts ("m68k-hitachi-hiuxwe2");
+	  else puts ("unknown-hitachi-hiuxwe2");
+	  exit (0);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+		{ echo "$SYSTEM_NAME"; exit; }
+	echo unknown-hitachi-hiuxwe2
+	exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+	echo hppa1.1-hp-bsd
+	exit ;;
+    9000/8??:4.3bsd:*:*)
+	echo hppa1.0-hp-bsd
+	exit ;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+	echo hppa1.0-hp-mpeix
+	exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+	echo hppa1.1-hp-osf
+	exit ;;
+    hp8??:OSF1:*:*)
+	echo hppa1.0-hp-osf
+	exit ;;
+    i*86:OSF1:*:*)
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo ${UNAME_MACHINE}-unknown-osf1mk
+	else
+	    echo ${UNAME_MACHINE}-unknown-osf1
+	fi
+	exit ;;
+    parisc*:Lites*:*:*)
+	echo hppa1.1-hp-lites
+	exit ;;
+    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+	echo c1-convex-bsd
+	exit ;;
+    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+	echo c34-convex-bsd
+	exit ;;
+    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+	echo c38-convex-bsd
+	exit ;;
+    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+	echo c4-convex-bsd
+	exit ;;
+    CRAY*Y-MP:*:*:*)
+	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*[A-Z]90:*:*:*)
+	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*TS:*:*:*)
+	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*T3E:*:*:*)
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*SV1:*:*:*)
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    *:UNICOS/mp:*:*)
+	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    5000:UNIX_System_V:4.*:*)
+	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	exit ;;
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:BSD/OS:*:*)
+	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:FreeBSD:*:*)
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	case ${UNAME_PROCESSOR} in
+	    amd64)
+		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    *)
+		echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	esac
+	exit ;;
+    i*:CYGWIN*:*)
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit ;;
+    *:MINGW64*:*)
+	echo ${UNAME_MACHINE}-pc-mingw64
+	exit ;;
+    *:MINGW*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
+    *:MSYS*:*)
+	echo ${UNAME_MACHINE}-pc-msys
+	exit ;;
+    i*:windows32*:*)
+	# uname -m includes "-pc" on this system.
+	echo ${UNAME_MACHINE}-mingw32
+	exit ;;
+    i*:PW*:*)
+	echo ${UNAME_MACHINE}-pc-pw32
+	exit ;;
+    *:Interix*:*)
+	case ${UNAME_MACHINE} in
+	    x86)
+		echo i586-pc-interix${UNAME_RELEASE}
+		exit ;;
+	    authenticamd | genuineintel | EM64T)
+		echo x86_64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	    IA64)
+		echo ia64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	esac ;;
+    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+	echo i${UNAME_MACHINE}-pc-mks
+	exit ;;
+    8664:Windows_NT:*)
+	echo x86_64-pc-mks
+	exit ;;
+    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+	# UNAME_MACHINE based on the output of uname instead of i386?
+	echo i586-pc-interix
+	exit ;;
+    i*:UWIN*:*)
+	echo ${UNAME_MACHINE}-pc-uwin
+	exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+	echo x86_64-unknown-cygwin
+	exit ;;
+    p*:CYGWIN*:*)
+	echo powerpcle-unknown-cygwin
+	exit ;;
+    prep*:SunOS:5.*:*)
+	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    *:GNU:*:*)
+	# the GNU system
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	exit ;;
+    *:GNU/*:*:*)
+	# other systems with GNU libc and userland
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
+	exit ;;
+    i*86:Minix:*:*)
+	echo ${UNAME_MACHINE}-pc-minix
+	exit ;;
+    aarch64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    aarch64_be:Linux:*:*)
+	UNAME_MACHINE=aarch64_be
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    alpha:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+	esac
+	objdump --private-headers /bin/sh | grep -q ld.so.1
+	if test "$?" = 0 ; then LIBC="gnulibc1" ; fi
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    arc:Linux:*:* | arceb:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    arm*:Linux:*:*)
+	eval $set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	else
+	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+		| grep -q __ARM_PCS_VFP
+	    then
+		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi
+	    else
+		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf
+	    fi
+	fi
+	exit ;;
+    avr32*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    cris:Linux:*:*)
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	exit ;;
+    crisv32:Linux:*:*)
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	exit ;;
+    frv:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    hexagon:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    i*86:Linux:*:*)
+	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+	exit ;;
+    ia64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    m32r*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    m68*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    mips:Linux:*:* | mips64:Linux:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef ${UNAME_MACHINE}
+	#undef ${UNAME_MACHINE}el
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=${UNAME_MACHINE}el
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=${UNAME_MACHINE}
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; }
+	;;
+    openrisc*:Linux:*:*)
+	echo or1k-unknown-linux-${LIBC}
+	exit ;;
+    or32:Linux:*:* | or1k*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    padre:Linux:*:*)
+	echo sparc-unknown-linux-${LIBC}
+	exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	echo hppa64-unknown-linux-${LIBC}
+	exit ;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+	# Look for CPU level
+	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	  PA7*) echo hppa1.1-unknown-linux-${LIBC} ;;
+	  PA8*) echo hppa2.0-unknown-linux-${LIBC} ;;
+	  *)    echo hppa-unknown-linux-${LIBC} ;;
+	esac
+	exit ;;
+    ppc64:Linux:*:*)
+	echo powerpc64-unknown-linux-${LIBC}
+	exit ;;
+    ppc:Linux:*:*)
+	echo powerpc-unknown-linux-${LIBC}
+	exit ;;
+    ppc64le:Linux:*:*)
+	echo powerpc64le-unknown-linux-${LIBC}
+	exit ;;
+    ppcle:Linux:*:*)
+	echo powerpcle-unknown-linux-${LIBC}
+	exit ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
+	exit ;;
+    sh64*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    sh*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    tile*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    vax:Linux:*:*)
+	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
+	exit ;;
+    x86_64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    xtensa*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
+	echo i386-sequent-sysv4
+	exit ;;
+    i*86:UNIX_SV:4.2MP:2.*)
+	# Unixware is an offshoot of SVR4, but it has its own version
+	# number series starting with 2...
+	# I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+	# Use sysv4.2uw... so that sysv4* matches it.
+	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	exit ;;
+    i*86:OS/2:*:*)
+	# If we were able to find `uname', then EMX Unix compatibility
+	# is probably installed.
+	echo ${UNAME_MACHINE}-pc-os2-emx
+	exit ;;
+    i*86:XTS-300:*:STOP)
+	echo ${UNAME_MACHINE}-unknown-stop
+	exit ;;
+    i*86:atheos:*:*)
+	echo ${UNAME_MACHINE}-unknown-atheos
+	exit ;;
+    i*86:syllable:*:*)
+	echo ${UNAME_MACHINE}-pc-syllable
+	exit ;;
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
+	echo i386-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    i*86:*DOS:*:*)
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	exit ;;
+    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+	else
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+	fi
+	exit ;;
+    i*86:*:5:[678]*)
+	# UnixWare 7.x, OpenUNIX and OpenServer 6.
+	case `/bin/uname -X | grep "^Machine"` in
+	    *486*)	     UNAME_MACHINE=i486 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
+	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+	esac
+	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	exit ;;
+    i*86:*:3.2:*)
+	if test -f /usr/options/cb.name; then
+		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+	elif /bin/uname -X 2>/dev/null >/dev/null ; then
+		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+			&& UNAME_MACHINE=i586
+		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+	else
+		echo ${UNAME_MACHINE}-pc-sysv32
+	fi
+	exit ;;
+    pc:*:*:*)
+	# Left here for compatibility:
+	# uname -m prints for DJGPP always 'pc', but it prints nothing about
+	# the processor, so we play safe by assuming i586.
+	# Note: whatever this is, it MUST be the same as what config.sub
+	# prints for the "djgpp" host, or else GDB configury will decide that
+	# this is a cross-build.
+	echo i586-pc-msdosdjgpp
+	exit ;;
+    Intel:Mach:3*:*)
+	echo i386-pc-mach3
+	exit ;;
+    paragon:*:*:*)
+	echo i860-intel-osf1
+	exit ;;
+    i860:*:4.*:*) # i860-SVR4
+	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+	else # Add other i860-SVR4 vendors below as they are discovered.
+	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
+	fi
+	exit ;;
+    mini*:CTIX:SYS*5:*)
+	# "miniframe"
+	echo m68010-convergent-sysv
+	exit ;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+	echo m68k-convergent-sysv
+	exit ;;
+    M680?0:D-NIX:5.3:*)
+	echo m68k-diab-dnix
+	exit ;;
+    M68*:*:R3V[5678]*:*)
+	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4; exit; } ;;
+    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+	OS_REL='.3'
+	test -r /etc/.relid \
+	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	    && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
+	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+	echo m68k-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    mc68030:UNIX_System_V:4.*:*)
+	echo m68k-atari-sysv4
+	exit ;;
+    TSUNAMI:LynxOS:2.*:*)
+	echo sparc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    rs6000:LynxOS:2.*:*)
+	echo rs6000-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+	echo powerpc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    SM[BE]S:UNIX_SV:*:*)
+	echo mips-dde-sysv${UNAME_RELEASE}
+	exit ;;
+    RM*:ReliantUNIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    RM*:SINIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    *:SINIX-*:*:*)
+	if uname -p 2>/dev/null >/dev/null ; then
+		UNAME_MACHINE=`(uname -p) 2>/dev/null`
+		echo ${UNAME_MACHINE}-sni-sysv4
+	else
+		echo ns32k-sni-sysv
+	fi
+	exit ;;
+    PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+			# says <Richard.M.Bartel@ccMail.Census.GOV>
+	echo i586-unisys-sysv4
+	exit ;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes@openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	echo hppa1.1-stratus-sysv4
+	exit ;;
+    *:*:*:FTX*)
+	# From seanf@swdc.stratus.com.
+	echo i860-stratus-sysv4
+	exit ;;
+    i*86:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo ${UNAME_MACHINE}-stratus-vos
+	exit ;;
+    *:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo hppa1.1-stratus-vos
+	exit ;;
+    mc68*:A/UX:*:*)
+	echo m68k-apple-aux${UNAME_RELEASE}
+	exit ;;
+    news*:NEWS-OS:6*:*)
+	echo mips-sony-newsos6
+	exit ;;
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+	if [ -d /usr/nec ]; then
+		echo mips-nec-sysv${UNAME_RELEASE}
+	else
+		echo mips-unknown-sysv${UNAME_RELEASE}
+	fi
+	exit ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit ;;
+    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
+	echo i586-pc-haiku
+	exit ;;
+    x86_64:Haiku:*:*)
+	echo x86_64-unknown-haiku
+	exit ;;
+    SX-4:SUPER-UX:*:*)
+	echo sx4-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-5:SUPER-UX:*:*)
+	echo sx5-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-6:SUPER-UX:*:*)
+	echo sx6-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-7:SUPER-UX:*:*)
+	echo sx7-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8:SUPER-UX:*:*)
+	echo sx8-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8R:SUPER-UX:*:*)
+	echo sx8r-nec-superux${UNAME_RELEASE}
+	exit ;;
+    Power*:Rhapsody:*:*)
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Rhapsody:*:*)
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Darwin:*:*)
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+	eval $set_cc_for_build
+	if test "$UNAME_PROCESSOR" = unknown ; then
+	    UNAME_PROCESSOR=powerpc
+	fi
+	if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
+	    if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		    (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		    grep IS_64BIT_ARCH >/dev/null
+		then
+		    case $UNAME_PROCESSOR in
+			i386) UNAME_PROCESSOR=x86_64 ;;
+			powerpc) UNAME_PROCESSOR=powerpc64 ;;
+		    esac
+		fi
+	    fi
+	elif test "$UNAME_PROCESSOR" = i386 ; then
+	    # Avoid executing cc on OS X 10.9, as it ships with a stub
+	    # that puts up a graphical alert prompting to install
+	    # developer tools.  Any system running Mac OS X 10.7 or
+	    # later (Darwin 11 and later) is required to have a 64-bit
+	    # processor. This is not true of the ARM version of Darwin
+	    # that Apple uses in portable devices.
+	    UNAME_PROCESSOR=x86_64
+	fi
+	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+	exit ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	UNAME_PROCESSOR=`uname -p`
+	if test "$UNAME_PROCESSOR" = "x86"; then
+		UNAME_PROCESSOR=i386
+		UNAME_MACHINE=pc
+	fi
+	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+	exit ;;
+    *:QNX:*:4*)
+	echo i386-pc-qnx
+	exit ;;
+    NEO-?:NONSTOP_KERNEL:*:*)
+	echo neo-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    NSE-*:NONSTOP_KERNEL:*:*)
+	echo nse-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    NSR-?:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit ;;
+    BS2000:POSIX*:*:*)
+	echo bs2000-siemens-sysv
+	exit ;;
+    DS/*:UNIX_System_V:*:*)
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	exit ;;
+    *:Plan9:*:*)
+	# "uname -m" is not consistent, so use $cputype instead. 386
+	# is converted to i386 for consistency with other x86
+	# operating systems.
+	if test "$cputype" = "386"; then
+	    UNAME_MACHINE=i386
+	else
+	    UNAME_MACHINE="$cputype"
+	fi
+	echo ${UNAME_MACHINE}-unknown-plan9
+	exit ;;
+    *:TOPS-10:*:*)
+	echo pdp10-unknown-tops10
+	exit ;;
+    *:TENEX:*:*)
+	echo pdp10-unknown-tenex
+	exit ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	echo pdp10-dec-tops20
+	exit ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	echo pdp10-xkl-tops20
+	exit ;;
+    *:TOPS-20:*:*)
+	echo pdp10-unknown-tops20
+	exit ;;
+    *:ITS:*:*)
+	echo pdp10-unknown-its
+	exit ;;
+    SEI:*:*:SEIUX)
+	echo mips-sei-seiux${UNAME_RELEASE}
+	exit ;;
+    *:DragonFly:*:*)
+	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	exit ;;
+    *:*VMS:*:*)
+	UNAME_MACHINE=`(uname -p) 2>/dev/null`
+	case "${UNAME_MACHINE}" in
+	    A*) echo alpha-dec-vms ; exit ;;
+	    I*) echo ia64-dec-vms ; exit ;;
+	    V*) echo vax-dec-vms ; exit ;;
+	esac ;;
+    *:XENIX:*:SysV)
+	echo i386-pc-xenix
+	exit ;;
+    i*86:skyos:*:*)
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+	exit ;;
+    i*86:rdos:*:*)
+	echo ${UNAME_MACHINE}-pc-rdos
+	exit ;;
+    i*86:AROS:*:*)
+	echo ${UNAME_MACHINE}-pc-aros
+	exit ;;
+    x86_64:VMkernel:*:*)
+	echo ${UNAME_MACHINE}-unknown-esx
+	exit ;;
+esac
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+and
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/config.log b/src-light-solver/preprocess/m4ri-20140914/config.log
new file mode 100644
index 0000000..43642db
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/config.log
@@ -0,0 +1,1033 @@
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by m4ri configure 20140914, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  $ ./configure --no-create --no-recursion
+
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = seed1
+uname -m = x86_64
+uname -r = 5.4.0-120-generic
+uname -s = Linux
+uname -v = #136-Ubuntu SMP Fri Jun 10 13:40:48 UTC 2022
+
+/usr/bin/uname -p = x86_64
+/bin/uname -X     = unknown
+
+/bin/arch              = x86_64
+/usr/bin/arch -k       = unknown
+/usr/convex/getsysinfo = unknown
+/usr/bin/hostinfo      = unknown
+/bin/machine           = unknown
+/usr/bin/oslevel       = unknown
+/bin/universe          = unknown
+
+PATH: /usr/local/sbin
+PATH: /usr/local/bin
+PATH: /usr/sbin
+PATH: /usr/bin
+PATH: /sbin
+PATH: /bin
+PATH: /usr/games
+PATH: /usr/local/games
+PATH: /snap/bin
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+configure:2291: checking build system type
+configure:2305: result: x86_64-unknown-linux-gnu
+configure:2325: checking host system type
+configure:2338: result: x86_64-unknown-linux-gnu
+configure:2377: checking for a BSD-compatible install
+configure:2445: result: /usr/bin/install -c
+configure:2456: checking whether build environment is sane
+configure:2511: result: yes
+configure:2660: checking for a thread-safe mkdir -p
+configure:2699: result: /usr/bin/mkdir -p
+configure:2706: checking for gawk
+configure:2722: found /usr/bin/gawk
+configure:2733: result: gawk
+configure:2744: checking whether make sets $(MAKE)
+configure:2766: result: yes
+configure:2795: checking whether make supports nested variables
+configure:2812: result: yes
+configure:2940: checking whether to enable maintainer-specific portions of Makefiles
+configure:2949: result: no
+configure:2977: checking for style of include used by make
+configure:3005: result: GNU
+configure:3076: checking for gcc
+configure:3092: found /usr/bin/gcc
+configure:3103: result: gcc
+configure:3332: checking for C compiler version
+configure:3341: gcc --version >&5
+gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
+Copyright (C) 2019 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+configure:3352: $? = 0
+configure:3341: gcc -v >&5
+Using built-in specs.
+COLLECT_GCC=gcc
+COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
+OFFLOAD_TARGET_NAMES=nvptx-none:hsa
+OFFLOAD_TARGET_DEFAULT=1
+Target: x86_64-linux-gnu
+Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.4.0-1ubuntu1~20.04.1' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-9-Av3uEd/gcc-9-9.4.0/debian/tmp-nvptx/usr,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
+Thread model: posix
+gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 
+configure:3352: $? = 0
+configure:3341: gcc -V >&5
+gcc: error: unrecognized command line option '-V'
+gcc: fatal error: no input files
+compilation terminated.
+configure:3352: $? = 1
+configure:3341: gcc -qversion >&5
+gcc: error: unrecognized command line option '-qversion'; did you mean '--version'?
+gcc: fatal error: no input files
+compilation terminated.
+configure:3352: $? = 1
+configure:3372: checking whether the C compiler works
+configure:3394: gcc    conftest.c  >&5
+configure:3398: $? = 0
+configure:3446: result: yes
+configure:3449: checking for C compiler default output file name
+configure:3451: result: a.out
+configure:3457: checking for suffix of executables
+configure:3464: gcc -o conftest    conftest.c  >&5
+configure:3468: $? = 0
+configure:3490: result: 
+configure:3512: checking whether we are cross compiling
+configure:3520: gcc -o conftest    conftest.c  >&5
+configure:3524: $? = 0
+configure:3531: ./conftest
+configure:3535: $? = 0
+configure:3523: result: no
+configure:3528: checking for suffix of object files
+configure:3550: gcc -c   conftest.c >&5
+configure:3554: $? = 0
+configure:3575: result: o
+configure:3579: checking whether we are using the GNU C compiler
+configure:3598: gcc -c   conftest.c >&5
+configure:3598: $? = 0
+configure:3607: result: yes
+configure:3616: checking whether gcc accepts -g
+configure:3636: gcc -c -g  conftest.c >&5
+configure:3636: $? = 0
+configure:3677: result: yes
+configure:3694: checking for gcc option to accept ISO C89
+configure:3757: gcc  -c -g -O2  conftest.c >&5
+configure:3757: $? = 0
+configure:3770: result: none needed
+configure:3795: checking whether gcc understands -c and -o together
+configure:3817: gcc -c conftest.c -o conftest2.o
+configure:3820: $? = 0
+configure:3817: gcc -c conftest.c -o conftest2.o
+configure:3820: $? = 0
+configure:3832: result: yes
+configure:3851: checking dependency style of gcc
+configure:3962: result: gcc3
+configure:4025: checking how to print strings
+configure:4052: result: printf
+configure:4073: checking for a sed that does not truncate output
+configure:4137: result: /usr/bin/sed
+configure:4155: checking for grep that handles long lines and -e
+configure:4213: result: /usr/bin/grep
+configure:4218: checking for egrep
+configure:4280: result: /usr/bin/grep -E
+configure:4285: checking for fgrep
+configure:4347: result: /usr/bin/grep -F
+configure:4382: checking for ld used by gcc
+configure:4449: result: /usr/bin/ld
+configure:4456: checking if the linker (/usr/bin/ld) is GNU ld
+configure:4471: result: yes
+configure:4483: checking for BSD- or MS-compatible name lister (nm)
+configure:4532: result: /usr/bin/nm -B
+configure:4662: checking the name lister (/usr/bin/nm -B) interface
+configure:4669: gcc -c -g -O2  conftest.c >&5
+configure:4672: /usr/bin/nm -B "conftest.o"
+configure:4675: output
+0000000000000000 B some_variable
+configure:4676: result: BSD nm
+configure:4679: checking whether ln -s works
+configure:4683: result: yes
+configure:4691: checking the maximum length of command line arguments
+configure:4822: result: 1572864
+configure:4839: checking whether the shell understands some XSI constructs
+configure:4848: result: yes
+configure:4852: checking whether the shell understands "+="
+configure:4856: result: yes
+configure:4891: checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format
+configure:4931: result: func_convert_file_noop
+configure:4938: checking how to convert x86_64-unknown-linux-gnu file names to toolchain format
+configure:4958: result: func_convert_file_noop
+configure:4965: checking for /usr/bin/ld option to reload object files
+configure:4972: result: -r
+configure:5046: checking for objdump
+configure:5062: found /usr/bin/objdump
+configure:5073: result: objdump
+configure:5105: checking how to recognize dependent libraries
+configure:5303: result: pass_all
+configure:5388: checking for dlltool
+configure:5418: result: no
+configure:5448: checking how to associate runtime and link libraries
+configure:5475: result: printf %s\n
+configure:5536: checking for ar
+configure:5552: found /usr/bin/ar
+configure:5563: result: ar
+configure:5600: checking for archiver @FILE support
+configure:5617: gcc -c -g -O2  conftest.c >&5
+configure:5617: $? = 0
+configure:5620: ar cru libconftest.a @conftest.lst >&5
+ar: `u' modifier ignored since `D' is the default (see `U')
+configure:5623: $? = 0
+configure:5628: ar cru libconftest.a @conftest.lst >&5
+ar: `u' modifier ignored since `D' is the default (see `U')
+ar: conftest.o: No such file or directory
+configure:5631: $? = 1
+configure:5630: result: @
+configure:5688: checking for strip
+configure:5704: found /usr/bin/strip
+configure:5715: result: strip
+configure:5787: checking for ranlib
+configure:5803: found /usr/bin/ranlib
+configure:5814: result: ranlib
+configure:5916: checking command to parse /usr/bin/nm -B output from gcc object
+configure:6036: gcc -c -g -O2  conftest.c >&5
+configure:6039: $? = 0
+configure:6043: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p' | sed '/ __gnu_lto/d' \> conftest.nm
+configure:6046: $? = 0
+configure:6112: gcc -o conftest -g -O2   conftest.c conftstm.o >&5
+configure:6115: $? = 0
+configure:6153: result: ok
+configure:6190: checking for sysroot
+configure:6220: result: no
+configure:6297: gcc -c -g -O2  conftest.c >&5
+configure:6300: $? = 0
+configure:6489: checking for mt
+configure:6505: found /usr/bin/mt
+configure:6516: result: mt
+configure:6539: checking if mt is a manifest tool
+configure:6545: mt '-?'
+configure:6553: result: no
+configure:7195: checking how to run the C preprocessor
+configure:7226: gcc -E  conftest.c
+configure:7226: $? = 0
+configure:7240: gcc -E  conftest.c
+conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory
+   11 | #include <ac_nonexistent.h>
+      |          ^~~~~~~~~~~~~~~~~~
+compilation terminated.
+configure:7240: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| /* end confdefs.h.  */
+| #include <ac_nonexistent.h>
+configure:7265: result: gcc -E
+configure:7285: gcc -E  conftest.c
+configure:7285: $? = 0
+configure:7299: gcc -E  conftest.c
+conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory
+   11 | #include <ac_nonexistent.h>
+      |          ^~~~~~~~~~~~~~~~~~
+compilation terminated.
+configure:7299: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| /* end confdefs.h.  */
+| #include <ac_nonexistent.h>
+configure:7328: checking for ANSI C header files
+configure:7348: gcc -c -g -O2  conftest.c >&5
+configure:7348: $? = 0
+configure:7421: gcc -o conftest -g -O2   conftest.c  >&5
+configure:7421: $? = 0
+configure:7421: ./conftest
+configure:7421: $? = 0
+configure:7432: result: yes
+configure:7445: checking for sys/types.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for sys/stat.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for stdlib.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for string.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for memory.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for strings.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for inttypes.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for stdint.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7445: checking for unistd.h
+configure:7445: gcc -c -g -O2  conftest.c >&5
+configure:7445: $? = 0
+configure:7445: result: yes
+configure:7459: checking for dlfcn.h
+configure:7459: gcc -c -g -O2  conftest.c >&5
+configure:7459: $? = 0
+configure:7459: result: yes
+configure:7665: checking for objdir
+configure:7680: result: .libs
+configure:7951: checking if gcc supports -fno-rtti -fno-exceptions
+configure:7969: gcc -c -g -O2  -fno-rtti -fno-exceptions conftest.c >&5
+cc1: warning: command line option '-fno-rtti' is valid for C++/D/ObjC++ but not for C
+configure:7973: $? = 0
+configure:7986: result: no
+configure:8313: checking for gcc option to produce PIC
+configure:8320: result: -fPIC -DPIC
+configure:8328: checking if gcc PIC flag -fPIC -DPIC works
+configure:8346: gcc -c -g -O2  -fPIC -DPIC -DPIC conftest.c >&5
+configure:8350: $? = 0
+configure:8363: result: yes
+configure:8392: checking if gcc static flag -static works
+configure:8420: result: yes
+configure:8435: checking if gcc supports -c -o file.o
+configure:8456: gcc -c -g -O2  -o out/conftest2.o conftest.c >&5
+configure:8460: $? = 0
+configure:8482: result: yes
+configure:8490: checking if gcc supports -c -o file.o
+configure:8537: result: yes
+configure:8570: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
+configure:9727: result: yes
+configure:9764: checking whether -lc should be explicitly linked in
+configure:9772: gcc -c -g -O2  conftest.c >&5
+configure:9775: $? = 0
+configure:9790: gcc -shared  -fPIC -DPIC conftest.o  -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /usr/bin/grep  -lc  \>/dev/null 2\>\&1
+configure:9793: $? = 0
+configure:9807: result: no
+configure:9967: checking dynamic linker characteristics
+configure:10467: gcc -o conftest -g -O2   -Wl,-rpath -Wl,/foo conftest.c  >&5
+configure:10467: $? = 0
+configure:10701: result: GNU/Linux ld.so
+configure:10808: checking how to hardcode library paths into programs
+configure:10833: result: immediate
+configure:11373: checking whether stripping libraries is possible
+configure:11378: result: yes
+configure:11413: checking if libtool supports shared libraries
+configure:11415: result: yes
+configure:11418: checking whether to build shared libraries
+configure:11439: result: yes
+configure:11442: checking whether to build static libraries
+configure:11446: result: yes
+configure:8494: checking for gcc option to accept ISO C99
+configure:8643: gcc  -c -g -O2  conftest.c >&5
+configure:8643: $? = 0
+configure:8656: result: none needed
+configure:8700: checking for x86 cpuid 0x00000001 output
+configure:8739: gcc -o conftest -g -O2   conftest.c  >&5
+configure:8739: $? = 0
+configure:8739: ./conftest
+configure:8739: $? = 0
+configure:8749: result: a00f11:46800800:7efa320b:178bfbff
+configure:8761: checking whether mmx is supported
+configure:8773: result: yes
+configure:8776: checking whether sse is supported
+configure:8788: result: yes
+configure:8791: checking whether sse2 is supported
+configure:8803: result: yes
+configure:8806: checking whether sse3 is supported
+configure:8818: result: yes
+configure:8821: checking whether ssse3 is supported
+configure:8833: result: yes
+configure:8840: checking whether C compiler accepts -mmmx
+configure:8859: gcc -c -mmmx  conftest.c >&5
+configure:8859: $? = 0
+configure:8869: result: yes
+configure:8883: checking whether C compiler accepts -msse
+configure:8902: gcc -c -msse  conftest.c >&5
+configure:8902: $? = 0
+configure:8912: result: yes
+configure:8926: checking whether C compiler accepts -msse2
+configure:8945: gcc -c -msse2  conftest.c >&5
+configure:8945: $? = 0
+configure:8955: result: yes
+configure:8969: checking whether C compiler accepts -msse3
+configure:8988: gcc -c -msse3  conftest.c >&5
+configure:8988: $? = 0
+configure:8998: result: yes
+configure:9041: checking mm_malloc.h usability
+configure:9041: gcc -c -g -O2  conftest.c >&5
+configure:9041: $? = 0
+configure:9041: result: yes
+configure:9041: checking mm_malloc.h presence
+configure:9041: gcc -E  conftest.c
+configure:9041: $? = 0
+configure:9041: result: yes
+configure:9041: checking for mm_malloc.h
+configure:9041: result: yes
+configure:9057: checking for working posix_memalign
+configure:9081: gcc -o conftest -g -O2   conftest.c  >&5
+configure:9081: $? = 0
+configure:9081: ./conftest
+configure:9081: $? = 0
+configure:9091: result: yes
+configure:9232: checking for PAPI_start_counters in -lpapi
+configure:9257: gcc -o conftest -g -O2   conftest.c -lpapi   >&5
+/usr/bin/ld: cannot find -lpapi
+collect2: error: ld returned 1 exit status
+configure:9257: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_DLFCN_H 1
+| #define LT_OBJDIR ".libs/"
+| #define HAVE_MMX /**/
+| #define HAVE_SSE /**/
+| #define HAVE_SSE2 /**/
+| #define HAVE_SSE3 /**/
+| #define HAVE_SSSE3 /**/
+| #define HAVE_MM_MALLOC /**/
+| #define HAVE_POSIX_MEMALIGN 1
+| #define NDEBUG 1
+| /* end confdefs.h.  */
+| 
+| /* Override any GCC internal prototype to avoid an error.
+|    Use char because int might match the return type of a GCC
+|    builtin and then its argument prototype would still apply.  */
+| #ifdef __cplusplus
+| extern "C"
+| #endif
+| char PAPI_start_counters ();
+| int
+| main ()
+| {
+| return PAPI_start_counters ();
+|   ;
+|   return 0;
+| }
+configure:9266: result: no
+configure:9436: checking for x86 cpuid 0x0 output
+configure:9475: gcc -o conftest -g -O2   conftest.c  >&5
+configure:9475: $? = 0
+configure:9475: ./conftest
+configure:9475: $? = 0
+configure:9485: result: 10:68747541:444d4163:69746e65
+configure:9495: checking for the processor vendor
+configure:9534: result: AMD
+configure:9551: checking for x86 cpuid 0x0 output
+configure:9600: result: 10:68747541:444d4163:69746e65
+configure:9610: checking for the processor vendor
+configure:9649: result: AMD
+configure:9986: checking the L1 cache size
+configure:9990: result: 32768 Bytes
+configure:9993: checking the L2 cache size
+configure:9997: result: 524288 Bytes
+configure:10000: checking the L3 cache size
+configure:10004: result: 33554432 Bytes
+configure:10265: checking whether to build with PNG support
+configure:10267: result: yes
+configure:10325: checking for pkg-config
+configure:10343: found /usr/bin/pkg-config
+configure:10355: result: /usr/bin/pkg-config
+configure:10380: checking pkg-config is at least version 0.9.0
+configure:10383: result: yes
+configure:10393: checking for PNG
+configure:10400: $PKG_CONFIG --exists --print-errors "libpng"
+Package libpng was not found in the pkg-config search path.
+Perhaps you should add the directory containing `libpng.pc'
+to the PKG_CONFIG_PATH environment variable
+No package 'libpng' found
+configure:10403: $? = 1
+configure:10417: $PKG_CONFIG --exists --print-errors "libpng"
+Package libpng was not found in the pkg-config search path.
+Perhaps you should add the directory containing `libpng.pc'
+to the PKG_CONFIG_PATH environment variable
+No package 'libpng' found
+configure:10420: $? = 1
+configure:10434: result: no
+No package 'libpng' found
+configure:10463: checking for png_create_write_struct in -lpng
+configure:10488: gcc -o conftest -g -O2   conftest.c -lpng   >&5
+/usr/bin/ld: cannot find -lpng
+collect2: error: ld returned 1 exit status
+configure:10488: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_DLFCN_H 1
+| #define LT_OBJDIR ".libs/"
+| #define HAVE_MMX /**/
+| #define HAVE_SSE /**/
+| #define HAVE_SSE2 /**/
+| #define HAVE_SSE3 /**/
+| #define HAVE_SSSE3 /**/
+| #define HAVE_MM_MALLOC /**/
+| #define HAVE_POSIX_MEMALIGN 1
+| #define NDEBUG 1
+| /* end confdefs.h.  */
+| 
+| /* Override any GCC internal prototype to avoid an error.
+|    Use char because int might match the return type of a GCC
+|    builtin and then its argument prototype would still apply.  */
+| #ifdef __cplusplus
+| extern "C"
+| #endif
+| char png_create_write_struct ();
+| int
+| main ()
+| {
+| return png_create_write_struct ();
+|   ;
+|   return 0;
+| }
+configure:10497: result: no
+configure:10502: checking for png_create_write_struct in -lpng14
+configure:10527: gcc -o conftest -g -O2   conftest.c -lpng14   >&5
+/usr/bin/ld: cannot find -lpng14
+collect2: error: ld returned 1 exit status
+configure:10527: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_DLFCN_H 1
+| #define LT_OBJDIR ".libs/"
+| #define HAVE_MMX /**/
+| #define HAVE_SSE /**/
+| #define HAVE_SSE2 /**/
+| #define HAVE_SSE3 /**/
+| #define HAVE_SSSE3 /**/
+| #define HAVE_MM_MALLOC /**/
+| #define HAVE_POSIX_MEMALIGN 1
+| #define NDEBUG 1
+| /* end confdefs.h.  */
+| 
+| /* Override any GCC internal prototype to avoid an error.
+|    Use char because int might match the return type of a GCC
+|    builtin and then its argument prototype would still apply.  */
+| #ifdef __cplusplus
+| extern "C"
+| #endif
+| char png_create_write_struct ();
+| int
+| main ()
+| {
+| return png_create_write_struct ();
+|   ;
+|   return 0;
+| }
+configure:10536: result: no
+configure:10541: checking for png_create_write_struct in -lpng12
+configure:10566: gcc -o conftest -g -O2   conftest.c -lpng12   >&5
+/usr/bin/ld: cannot find -lpng12
+collect2: error: ld returned 1 exit status
+configure:10566: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_DLFCN_H 1
+| #define LT_OBJDIR ".libs/"
+| #define HAVE_MMX /**/
+| #define HAVE_SSE /**/
+| #define HAVE_SSE2 /**/
+| #define HAVE_SSE3 /**/
+| #define HAVE_SSSE3 /**/
+| #define HAVE_MM_MALLOC /**/
+| #define HAVE_POSIX_MEMALIGN 1
+| #define NDEBUG 1
+| /* end confdefs.h.  */
+| 
+| /* Override any GCC internal prototype to avoid an error.
+|    Use char because int might match the return type of a GCC
+|    builtin and then its argument prototype would still apply.  */
+| #ifdef __cplusplus
+| extern "C"
+| #endif
+| char png_create_write_struct ();
+| int
+| main ()
+| {
+| return png_create_write_struct ();
+|   ;
+|   return 0;
+| }
+configure:10575: result: no
+configure:10580: checking for png_create_write_struct in -lpng10
+configure:10605: gcc -o conftest -g -O2   conftest.c -lpng10   >&5
+/usr/bin/ld: cannot find -lpng10
+collect2: error: ld returned 1 exit status
+configure:10605: $? = 1
+configure: failed program was:
+| /* confdefs.h */
+| #define PACKAGE_NAME "m4ri"
+| #define PACKAGE_TARNAME "m4ri"
+| #define PACKAGE_VERSION "20140914"
+| #define PACKAGE_STRING "m4ri 20140914"
+| #define PACKAGE_BUGREPORT ""
+| #define PACKAGE_URL ""
+| #define PACKAGE "m4ri"
+| #define VERSION "20140914"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_DLFCN_H 1
+| #define LT_OBJDIR ".libs/"
+| #define HAVE_MMX /**/
+| #define HAVE_SSE /**/
+| #define HAVE_SSE2 /**/
+| #define HAVE_SSE3 /**/
+| #define HAVE_SSSE3 /**/
+| #define HAVE_MM_MALLOC /**/
+| #define HAVE_POSIX_MEMALIGN 1
+| #define NDEBUG 1
+| /* end confdefs.h.  */
+| 
+| /* Override any GCC internal prototype to avoid an error.
+|    Use char because int might match the return type of a GCC
+|    builtin and then its argument prototype would still apply.  */
+| #ifdef __cplusplus
+| extern "C"
+| #endif
+| char png_create_write_struct ();
+| int
+| main ()
+| {
+| return png_create_write_struct ();
+|   ;
+|   return 0;
+| }
+configure:10614: result: no
+configure:10633: WARNING: Can not find a usuable PNG library. Make sure that CPPFLAGS and LDFLAGS are correctly set.
+configure:10650: checking whether make sets $(MAKE)
+configure:10672: result: yes
+configure:10785: checking that generated files are newer than configure
+configure:10791: result: done
+configure:10818: creating ./config.status
+
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+
+ac_cv_build=x86_64-unknown-linux-gnu
+ac_cv_c_compiler_gnu=yes
+ac_cv_env_CC_set=
+ac_cv_env_CC_value=
+ac_cv_env_CFLAGS_set=
+ac_cv_env_CFLAGS_value=
+ac_cv_env_CPPFLAGS_set=
+ac_cv_env_CPPFLAGS_value=
+ac_cv_env_CPP_set=
+ac_cv_env_CPP_value=
+ac_cv_env_LDFLAGS_set=
+ac_cv_env_LDFLAGS_value=
+ac_cv_env_LIBS_set=
+ac_cv_env_LIBS_value=
+ac_cv_env_PKG_CONFIG_LIBDIR_set=
+ac_cv_env_PKG_CONFIG_LIBDIR_value=
+ac_cv_env_PKG_CONFIG_PATH_set=
+ac_cv_env_PKG_CONFIG_PATH_value=
+ac_cv_env_PKG_CONFIG_set=
+ac_cv_env_PKG_CONFIG_value=
+ac_cv_env_PNG_CFLAGS_set=
+ac_cv_env_PNG_CFLAGS_value=
+ac_cv_env_PNG_LIBS_set=
+ac_cv_env_PNG_LIBS_value=
+ac_cv_env_build_alias_set=
+ac_cv_env_build_alias_value=
+ac_cv_env_host_alias_set=
+ac_cv_env_host_alias_value=
+ac_cv_env_target_alias_set=
+ac_cv_env_target_alias_value=
+ac_cv_header_dlfcn_h=yes
+ac_cv_header_inttypes_h=yes
+ac_cv_header_memory_h=yes
+ac_cv_header_mm_malloc_h=yes
+ac_cv_header_stdc=yes
+ac_cv_header_stdint_h=yes
+ac_cv_header_stdlib_h=yes
+ac_cv_header_string_h=yes
+ac_cv_header_strings_h=yes
+ac_cv_header_sys_stat_h=yes
+ac_cv_header_sys_types_h=yes
+ac_cv_header_unistd_h=yes
+ac_cv_host=x86_64-unknown-linux-gnu
+ac_cv_lib_papi_PAPI_start_counters=no
+ac_cv_lib_png10_png_create_write_struct=no
+ac_cv_lib_png12_png_create_write_struct=no
+ac_cv_lib_png14_png_create_write_struct=no
+ac_cv_lib_png_png_create_write_struct=no
+ac_cv_objext=o
+ac_cv_path_EGREP='/usr/bin/grep -E'
+ac_cv_path_FGREP='/usr/bin/grep -F'
+ac_cv_path_GREP=/usr/bin/grep
+ac_cv_path_SED=/usr/bin/sed
+ac_cv_path_ac_pt_PKG_CONFIG=/usr/bin/pkg-config
+ac_cv_path_install='/usr/bin/install -c'
+ac_cv_path_mkdir=/usr/bin/mkdir
+ac_cv_prog_AWK=gawk
+ac_cv_prog_CPP='gcc -E'
+ac_cv_prog_ac_ct_AR=ar
+ac_cv_prog_ac_ct_CC=gcc
+ac_cv_prog_ac_ct_MANIFEST_TOOL=mt
+ac_cv_prog_ac_ct_OBJDUMP=objdump
+ac_cv_prog_ac_ct_RANLIB=ranlib
+ac_cv_prog_ac_ct_STRIP=strip
+ac_cv_prog_cc_c89=
+ac_cv_prog_cc_c99=
+ac_cv_prog_cc_g=yes
+ac_cv_prog_make_make_set=yes
+am_cv_CC_dependencies_compiler_type=gcc3
+am_cv_make_support_nested_variables=yes
+am_cv_prog_cc_c_o=yes
+ax_cv_c_flags__mmmx=yes
+ax_cv_c_flags__msse2=yes
+ax_cv_c_flags__msse3=yes
+ax_cv_c_flags__msse=yes
+ax_cv_cpu_vendor=AMD
+ax_cv_func_posix_memalign_works=yes
+ax_cv_gcc_x86_cpuid_0x00000001=a00f11:46800800:7efa320b:178bfbff
+ax_cv_gcc_x86_cpuid_0x0=10:68747541:444d4163:69746e65
+ax_cv_have_mmx_ext=yes
+ax_cv_have_sse2_ext=yes
+ax_cv_have_sse3_ext=yes
+ax_cv_have_sse_ext=yes
+ax_cv_have_ssse3_ext=yes
+lt_cv_ar_at_file=@
+lt_cv_archive_cmds_need_lc=no
+lt_cv_deplibs_check_method=pass_all
+lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_ld_reload_flag=-r
+lt_cv_nm_interface='BSD nm'
+lt_cv_objdir=.libs
+lt_cv_path_LD=/usr/bin/ld
+lt_cv_path_NM='/usr/bin/nm -B'
+lt_cv_path_mainfest_tool=no
+lt_cv_prog_compiler_c_o=yes
+lt_cv_prog_compiler_pic='-fPIC -DPIC'
+lt_cv_prog_compiler_pic_works=yes
+lt_cv_prog_compiler_rtti_exceptions=no
+lt_cv_prog_compiler_static_works=yes
+lt_cv_prog_gnu_ld=yes
+lt_cv_sharedlib_from_linklib_cmd='printf %s\n'
+lt_cv_shlibpath_overrides_runpath=yes
+lt_cv_sys_global_symbol_pipe='sed -n -e '\''s/^.*[	 ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[	 ][	 ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p'\'' | sed '\''/ __gnu_lto/d'\'''
+lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \([^ ]*\)[ ]*$/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"\2", (void *) \&\2},/p'\'''
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \([^ ]*\)[ ]*$/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \(lib[^ ]*\)$/  {"\2", (void *) \&\2},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"lib\2", (void *) \&\2},/p'\'''
+lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\'''
+lt_cv_sys_max_cmd_len=1572864
+lt_cv_to_host_file_cmd=func_convert_file_noop
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+
+ACLOCAL='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing aclocal-1.14'
+AMDEPBACKSLASH='\'
+AMDEP_FALSE='#'
+AMDEP_TRUE=''
+AMTAR='$${TAR-tar}'
+AM_BACKSLASH='\'
+AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+AM_DEFAULT_VERBOSITY='1'
+AM_V='$(V)'
+AR='ar'
+AUTOCONF='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing autoconf'
+AUTOHEADER='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing autoheader'
+AUTOMAKE='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing automake-1.14'
+AWK='gawk'
+CC='gcc'
+CCDEPMODE='depmode=gcc3'
+CFLAGS='-g -O2'
+CPP='gcc -E'
+CPPFLAGS=''
+CYGPATH_W='echo'
+DEBUG_FLAGS=''
+DEFS='-DHAVE_CONFIG_H'
+DEPDIR='.deps'
+DLLTOOL='false'
+DSYMUTIL=''
+DUMPBIN=''
+ECHO_C=''
+ECHO_N='-n'
+ECHO_T=''
+EGREP='/usr/bin/grep -E'
+EXEEXT=''
+FGREP='/usr/bin/grep -F'
+GREP='/usr/bin/grep'
+INSTALL_DATA='${INSTALL} -m 644'
+INSTALL_PROGRAM='${INSTALL}'
+INSTALL_SCRIPT='${INSTALL}'
+INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
+LD='/usr/bin/ld -m elf_x86_64'
+LDFLAGS=''
+LIBOBJS=''
+LIBPNG_LIBADD=''
+LIBS=''
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+LIPO=''
+LN_S='ln -s'
+LTLIBOBJS=''
+M4RI_CPU_L1_CACHE='32768'
+M4RI_CPU_L2_CACHE='524288'
+M4RI_CPU_L3_CACHE='33554432'
+M4RI_DEBUG_DUMP='0'
+M4RI_DEBUG_MZD='0'
+M4RI_HAVE_LIBPNG='0'
+M4RI_HAVE_MM_MALLOC='1'
+M4RI_HAVE_OPENMP='0'
+M4RI_HAVE_POSIX_MEMALIGN='1'
+M4RI_HAVE_SSE2='1'
+MAINT='#'
+MAINTAINER_MODE_FALSE=''
+MAINTAINER_MODE_TRUE='#'
+MAKEINFO='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing makeinfo'
+MANIFEST_TOOL=':'
+MKDIR_P='/usr/bin/mkdir -p'
+NM='/usr/bin/nm -B'
+NMEDIT=''
+OBJDUMP='objdump'
+OBJEXT='o'
+OPENMP_CFLAGS=''
+OTOOL64=''
+OTOOL=''
+PACKAGE='m4ri'
+PACKAGE_BUGREPORT=''
+PACKAGE_NAME='m4ri'
+PACKAGE_STRING='m4ri 20140914'
+PACKAGE_TARNAME='m4ri'
+PACKAGE_URL=''
+PACKAGE_VERSION='20140914'
+PAPI_CFLAGS=''
+PAPI_LDFLAGS=''
+PAPI_LIBS=''
+PATH_SEPARATOR=':'
+PKG_CONFIG='/usr/bin/pkg-config'
+PKG_CONFIG_LIBDIR=''
+PKG_CONFIG_PATH=''
+PNG_CFLAGS=''
+PNG_LIBS=''
+RANLIB='ranlib'
+RELEASE='20140914'
+SED='/usr/bin/sed'
+SET_MAKE=''
+SHELL='/bin/bash'
+SIMD_CFLAGS=' -mmmx -msse -msse2 -msse3'
+STRIP='strip'
+VERSION='20140914'
+ac_ct_AR='ar'
+ac_ct_CC='gcc'
+ac_ct_DUMPBIN=''
+am__EXEEXT_FALSE=''
+am__EXEEXT_TRUE='#'
+am__fastdepCC_FALSE='#'
+am__fastdepCC_TRUE=''
+am__include='include'
+am__isrc=''
+am__leading_dot='.'
+am__nodep='_no'
+am__quote=''
+am__tar='$${TAR-tar} chof - "$$tardir"'
+am__untar='$${TAR-tar} xf -'
+bindir='${exec_prefix}/bin'
+build='x86_64-unknown-linux-gnu'
+build_alias=''
+build_cpu='x86_64'
+build_os='linux-gnu'
+build_vendor='unknown'
+datadir='${datarootdir}'
+datarootdir='${prefix}/share'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+dvidir='${docdir}'
+exec_prefix='${prefix}'
+host='x86_64-unknown-linux-gnu'
+host_alias=''
+host_cpu='x86_64'
+host_os='linux-gnu'
+host_vendor='unknown'
+htmldir='${docdir}'
+includedir='${prefix}/include'
+infodir='${datarootdir}/info'
+install_sh='${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/install-sh'
+libdir='${exec_prefix}/lib'
+libexecdir='${exec_prefix}/libexec'
+localedir='${datarootdir}/locale'
+localstatedir='${prefix}/var'
+mandir='${datarootdir}/man'
+mkdir_p='$(MKDIR_P)'
+oldincludedir='/usr/include'
+pdfdir='${docdir}'
+prefix='/usr/local'
+program_transform_name='s,x,x,'
+psdir='${docdir}'
+sbindir='${exec_prefix}/sbin'
+sharedstatedir='${prefix}/com'
+sysconfdir='${prefix}/etc'
+target_alias=''
+
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+
+/* confdefs.h */
+#define PACKAGE_NAME "m4ri"
+#define PACKAGE_TARNAME "m4ri"
+#define PACKAGE_VERSION "20140914"
+#define PACKAGE_STRING "m4ri 20140914"
+#define PACKAGE_BUGREPORT ""
+#define PACKAGE_URL ""
+#define PACKAGE "m4ri"
+#define VERSION "20140914"
+#define STDC_HEADERS 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_SYS_STAT_H 1
+#define HAVE_STDLIB_H 1
+#define HAVE_STRING_H 1
+#define HAVE_MEMORY_H 1
+#define HAVE_STRINGS_H 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_STDINT_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_DLFCN_H 1
+#define LT_OBJDIR ".libs/"
+#define HAVE_MMX /**/
+#define HAVE_SSE /**/
+#define HAVE_SSE2 /**/
+#define HAVE_SSE3 /**/
+#define HAVE_SSSE3 /**/
+#define HAVE_MM_MALLOC /**/
+#define HAVE_POSIX_MEMALIGN 1
+#define NDEBUG 1
+
+configure: exit 0
+
+## ---------------------- ##
+## Running config.status. ##
+## ---------------------- ##
+
+This file was extended by m4ri config.status 20140914, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  CONFIG_FILES    = 
+  CONFIG_HEADERS  = 
+  CONFIG_LINKS    = 
+  CONFIG_COMMANDS = 
+  $ ./config.status 
+
+on seed1
+
+config.status:1113: creating Makefile
+config.status:1113: creating testsuite/Makefile
+config.status:1113: creating m4ri/m4ri_config.h
+config.status:1113: creating m4ri.pc
+config.status:1113: creating m4ri/config.h
+config.status:1294: m4ri/config.h is unchanged
+config.status:1342: executing depfiles commands
+config.status:1342: executing libtool commands
diff --git a/src-light-solver/preprocess/m4ri-20140914/config.status b/src-light-solver/preprocess/m4ri-20140914/config.status
new file mode 100755
index 0000000..91f44f7
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/config.status
@@ -0,0 +1,2081 @@
+#! /bin/bash
+# Generated by configure.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=${CONFIG_SHELL-/bin/bash}
+export SHELL
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by m4ri $as_me 20140914, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+# Files that config.status was made for.
+config_files=" Makefile testsuite/Makefile m4ri/m4ri_config.h m4ri.pc"
+config_headers=" m4ri/config.h"
+config_commands=" depfiles libtool"
+
+ac_cs_usage="\
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to the package provider."
+
+ac_cs_config=""
+ac_cs_version="\
+m4ri config.status 20140914
+configured by ./configure, generated by GNU Autoconf 2.69,
+  with options \"$ac_cs_config\"
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='/home/chenzh/solvers/Light/preprocess/m4ri-20140914'
+srcdir='.'
+INSTALL='/usr/bin/install -c'
+MKDIR_P='/usr/bin/mkdir -p'
+AWK='gawk'
+test -n "$AWK" || AWK=awk
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=?*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
+
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+if $ac_cs_recheck; then
+  set X /bin/bash './configure'  $ac_configure_extra_args --no-create --no-recursion
+  shift
+  $as_echo "running CONFIG_SHELL=/bin/bash $*" >&6
+  CONFIG_SHELL='/bin/bash'
+  export CONFIG_SHELL
+  exec "$@"
+fi
+
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
+
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="" ac_aux_dir="."
+
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+macro_version='2.4.2'
+macro_revision='1.3337'
+enable_shared='yes'
+enable_static='yes'
+pic_mode='default'
+enable_fast_install='needless'
+SHELL='/bin/bash'
+ECHO='printf %s\n'
+PATH_SEPARATOR=':'
+host_alias=''
+host='x86_64-unknown-linux-gnu'
+host_os='linux-gnu'
+build_alias=''
+build='x86_64-unknown-linux-gnu'
+build_os='linux-gnu'
+SED='/usr/bin/sed'
+Xsed='/usr/bin/sed -e 1s/^X//'
+GREP='/usr/bin/grep'
+EGREP='/usr/bin/grep -E'
+FGREP='/usr/bin/grep -F'
+LD='/usr/bin/ld -m elf_x86_64'
+NM='/usr/bin/nm -B'
+LN_S='ln -s'
+max_cmd_len='1572864'
+ac_objext='o'
+exeext=''
+lt_unset='unset'
+lt_SP2NL='tr \040 \012'
+lt_NL2SP='tr \015\012 \040\040'
+lt_cv_to_host_file_cmd='func_convert_file_noop'
+lt_cv_to_tool_file_cmd='func_convert_file_noop'
+reload_flag=' -r'
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+OBJDUMP='objdump'
+deplibs_check_method='pass_all'
+file_magic_cmd='$MAGIC_CMD'
+file_magic_glob=''
+want_nocaseglob='no'
+DLLTOOL='false'
+sharedlib_from_linklib_cmd='printf %s\n'
+AR='ar'
+AR_FLAGS='cru'
+archiver_list_spec='@'
+STRIP='strip'
+RANLIB='ranlib'
+old_postinstall_cmds='chmod 644 $oldlib~$RANLIB $tool_oldlib'
+old_postuninstall_cmds=''
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs~$RANLIB $tool_oldlib'
+lock_old_archive_extraction='no'
+CC='gcc'
+CFLAGS='-g -O2'
+compiler='gcc'
+GCC='yes'
+lt_cv_sys_global_symbol_pipe='sed -n -e '\''s/^.*[	 ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[	 ][	 ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p'\'' | sed '\''/ __gnu_lto/d'\'''
+lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\'''
+lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \([^ ]*\)[ ]*$/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"\2", (void *) \&\2},/p'\'''
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \([^ ]*\)[ ]*$/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \(lib[^ ]*\)$/  {"\2", (void *) \&\2},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"lib\2", (void *) \&\2},/p'\'''
+nm_file_list_spec='@'
+lt_sysroot=''
+objdir='.libs'
+MAGIC_CMD='file'
+lt_prog_compiler_no_builtin_flag=' -fno-builtin'
+lt_prog_compiler_pic=' -fPIC -DPIC'
+lt_prog_compiler_wl='-Wl,'
+lt_prog_compiler_static='-static'
+lt_cv_prog_compiler_c_o='yes'
+need_locks='no'
+MANIFEST_TOOL=':'
+DSYMUTIL=''
+NMEDIT=''
+LIPO=''
+OTOOL=''
+OTOOL64=''
+libext='a'
+shrext_cmds='.so'
+extract_expsyms_cmds=''
+archive_cmds_need_lc='no'
+enable_shared_with_static_runtimes='no'
+export_dynamic_flag_spec='${wl}--export-dynamic'
+whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+compiler_needs_object='no'
+old_archive_from_new_cmds=''
+old_archive_from_expsyms_cmds=''
+archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+module_cmds=''
+module_expsym_cmds=''
+with_gnu_ld='yes'
+allow_undefined_flag=''
+no_undefined_flag=''
+hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+hardcode_libdir_separator=''
+hardcode_direct='no'
+hardcode_direct_absolute='no'
+hardcode_minus_L='no'
+hardcode_shlibpath_var='unsupported'
+hardcode_automatic='no'
+inherit_rpath='no'
+link_all_deplibs='no'
+always_export_symbols='no'
+export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+include_expsyms=''
+prelink_cmds=''
+postlink_cmds=''
+file_list_spec=''
+variables_saved_for_relink='PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH'
+need_lib_prefix='no'
+need_version='no'
+version_type='linux'
+runpath_var='LD_RUN_PATH'
+shlibpath_var='LD_LIBRARY_PATH'
+shlibpath_overrides_runpath='yes'
+libname_spec='lib$name'
+library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+soname_spec='${libname}${release}${shared_ext}$major'
+install_override_mode=''
+postinstall_cmds=''
+postuninstall_cmds=''
+finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+finish_eval=''
+hardcode_into_libs='yes'
+sys_lib_search_path_spec='/usr/lib/gcc/x86_64-linux-gnu/9 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib '
+sys_lib_dlsearch_path_spec='/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /usr/local/lib/x86_64-linux-gnu /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu '
+hardcode_action='immediate'
+enable_dlopen='unknown'
+enable_dlopen_self='unknown'
+enable_dlopen_self_static='unknown'
+old_striplib='strip --strip-debug'
+striplib='strip --strip-unneeded'
+
+LTCC='gcc'
+LTCFLAGS='-g -O2'
+compiler='gcc'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in SHELL ECHO PATH_SEPARATOR SED GREP EGREP FGREP LD NM LN_S lt_SP2NL lt_NL2SP reload_flag OBJDUMP deplibs_check_method file_magic_cmd file_magic_glob want_nocaseglob DLLTOOL sharedlib_from_linklib_cmd AR AR_FLAGS archiver_list_spec STRIP RANLIB CC CFLAGS compiler lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl lt_cv_sys_global_symbol_to_c_name_address lt_cv_sys_global_symbol_to_c_name_address_lib_prefix nm_file_list_spec lt_prog_compiler_no_builtin_flag lt_prog_compiler_pic lt_prog_compiler_wl lt_prog_compiler_static lt_cv_prog_compiler_c_o need_locks MANIFEST_TOOL DSYMUTIL NMEDIT LIPO OTOOL OTOOL64 shrext_cmds export_dynamic_flag_spec whole_archive_flag_spec compiler_needs_object with_gnu_ld allow_undefined_flag no_undefined_flag hardcode_libdir_flag_spec hardcode_libdir_separator exclude_expsyms include_expsyms file_list_spec variables_saved_for_relink libname_spec library_names_spec soname_spec install_override_mode finish_eval old_striplib striplib; do
+    case `eval \\$ECHO \\""\\$$var"\\"` in
+    *[\\\`\"\$]*)
+      eval "lt_$var=\\\"\`\$ECHO \"\$$var\" | \$SED \"\$sed_quote_subst\"\`\\\""
+      ;;
+    *)
+      eval "lt_$var=\\\"\$$var\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in reload_cmds old_postinstall_cmds old_postuninstall_cmds old_archive_cmds extract_expsyms_cmds old_archive_from_new_cmds old_archive_from_expsyms_cmds archive_cmds archive_expsym_cmds module_cmds module_expsym_cmds export_symbols_cmds prelink_cmds postlink_cmds postinstall_cmds postuninstall_cmds finish_cmds sys_lib_search_path_spec sys_lib_dlsearch_path_spec; do
+    case `eval \\$ECHO \\""\\$$var"\\"` in
+    *[\\\`\"\$]*)
+      eval "lt_$var=\\\"\`\$ECHO \"\$$var\" | \$SED -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+      ;;
+    *)
+      eval "lt_$var=\\\"\$$var\\\""
+      ;;
+    esac
+done
+
+ac_aux_dir='.'
+xsi_shell='yes'
+lt_shell_append='yes'
+
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+
+    PACKAGE='m4ri'
+    VERSION='20140914'
+    TIMESTAMP=''
+    RM='rm -f'
+    ofile='libtool'
+
+
+
+
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
+    "m4ri/config.h") CONFIG_HEADERS="$CONFIG_HEADERS m4ri/config.h" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
+    "m4ri/m4ri_config.h") CONFIG_FILES="$CONFIG_FILES m4ri/m4ri_config.h" ;;
+    "m4ri.pc") CONFIG_FILES="$CONFIG_FILES m4ri.pc" ;;
+
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp= ac_tmp=
+  trap 'exit_status=$?
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+cat >>"$ac_tmp/subs1.awk" <<\_ACAWK &&
+S["am__EXEEXT_FALSE"]=""
+S["am__EXEEXT_TRUE"]="#"
+S["LTLIBOBJS"]=""
+S["LIBOBJS"]=""
+S["RELEASE"]="20140914"
+S["LIBPNG_LIBADD"]=""
+S["M4RI_HAVE_LIBPNG"]="0"
+S["PNG_LIBS"]=""
+S["PNG_CFLAGS"]=""
+S["PKG_CONFIG_LIBDIR"]=""
+S["PKG_CONFIG_PATH"]=""
+S["PKG_CONFIG"]="/usr/bin/pkg-config"
+S["M4RI_CPU_L3_CACHE"]="33554432"
+S["M4RI_CPU_L2_CACHE"]="524288"
+S["M4RI_CPU_L1_CACHE"]="32768"
+S["PAPI_CFLAGS"]=""
+S["PAPI_LDFLAGS"]=""
+S["PAPI_LIBS"]=""
+S["DEBUG_FLAGS"]=""
+S["M4RI_DEBUG_MZD"]="0"
+S["M4RI_DEBUG_DUMP"]="0"
+S["M4RI_HAVE_OPENMP"]="0"
+S["OPENMP_CFLAGS"]=""
+S["M4RI_HAVE_POSIX_MEMALIGN"]="1"
+S["M4RI_HAVE_MM_MALLOC"]="1"
+S["M4RI_HAVE_SSE2"]="1"
+S["SIMD_CFLAGS"]=" -mmmx -msse -msse2 -msse3"
+S["CPP"]="gcc -E"
+S["OTOOL64"]=""
+S["OTOOL"]=""
+S["LIPO"]=""
+S["NMEDIT"]=""
+S["DSYMUTIL"]=""
+S["MANIFEST_TOOL"]=":"
+S["RANLIB"]="ranlib"
+S["ac_ct_AR"]="ar"
+S["AR"]="ar"
+S["DLLTOOL"]="false"
+S["OBJDUMP"]="objdump"
+S["LN_S"]="ln -s"
+S["NM"]="/usr/bin/nm -B"
+S["ac_ct_DUMPBIN"]=""
+S["DUMPBIN"]=""
+S["LD"]="/usr/bin/ld -m elf_x86_64"
+S["FGREP"]="/usr/bin/grep -F"
+S["EGREP"]="/usr/bin/grep -E"
+S["GREP"]="/usr/bin/grep"
+S["SED"]="/usr/bin/sed"
+S["LIBTOOL"]="$(SHELL) $(top_builddir)/libtool"
+S["am__fastdepCC_FALSE"]="#"
+S["am__fastdepCC_TRUE"]=""
+S["CCDEPMODE"]="depmode=gcc3"
+S["am__nodep"]="_no"
+S["AMDEPBACKSLASH"]="\\"
+S["AMDEP_FALSE"]="#"
+S["AMDEP_TRUE"]=""
+S["am__quote"]=""
+S["am__include"]="include"
+S["DEPDIR"]=".deps"
+S["OBJEXT"]="o"
+S["EXEEXT"]=""
+S["ac_ct_CC"]="gcc"
+S["CPPFLAGS"]=""
+S["LDFLAGS"]=""
+S["CFLAGS"]="-g -O2"
+S["CC"]="gcc"
+S["MAINT"]="#"
+S["MAINTAINER_MODE_FALSE"]=""
+S["MAINTAINER_MODE_TRUE"]="#"
+S["AM_BACKSLASH"]="\\"
+S["AM_DEFAULT_VERBOSITY"]="1"
+S["AM_DEFAULT_V"]="$(AM_DEFAULT_VERBOSITY)"
+S["AM_V"]="$(V)"
+S["am__untar"]="$${TAR-tar} xf -"
+S["am__tar"]="$${TAR-tar} chof - \"$$tardir\""
+S["AMTAR"]="$${TAR-tar}"
+S["am__leading_dot"]="."
+S["SET_MAKE"]=""
+S["AWK"]="gawk"
+S["mkdir_p"]="$(MKDIR_P)"
+S["MKDIR_P"]="/usr/bin/mkdir -p"
+S["INSTALL_STRIP_PROGRAM"]="$(install_sh) -c -s"
+S["STRIP"]="strip"
+S["install_sh"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/install-sh"
+S["MAKEINFO"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing makeinfo"
+S["AUTOHEADER"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing autoheader"
+S["AUTOMAKE"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing automake-1.14"
+S["AUTOCONF"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing autoconf"
+S["ACLOCAL"]="${SHELL} /home/chenzh/solvers/Light/preprocess/m4ri-20140914/missing aclocal-1.14"
+S["VERSION"]="20140914"
+S["PACKAGE"]="m4ri"
+S["CYGPATH_W"]="echo"
+S["am__isrc"]=""
+S["INSTALL_DATA"]="${INSTALL} -m 644"
+S["INSTALL_SCRIPT"]="${INSTALL}"
+S["INSTALL_PROGRAM"]="${INSTALL}"
+S["host_os"]="linux-gnu"
+S["host_vendor"]="unknown"
+S["host_cpu"]="x86_64"
+S["host"]="x86_64-unknown-linux-gnu"
+S["build_os"]="linux-gnu"
+S["build_vendor"]="unknown"
+S["build_cpu"]="x86_64"
+S["build"]="x86_64-unknown-linux-gnu"
+S["target_alias"]=""
+S["host_alias"]=""
+S["build_alias"]=""
+S["LIBS"]=""
+S["ECHO_T"]=""
+S["ECHO_N"]="-n"
+S["ECHO_C"]=""
+S["DEFS"]="-DHAVE_CONFIG_H"
+S["mandir"]="${datarootdir}/man"
+S["localedir"]="${datarootdir}/locale"
+S["libdir"]="${exec_prefix}/lib"
+S["psdir"]="${docdir}"
+S["pdfdir"]="${docdir}"
+S["dvidir"]="${docdir}"
+S["htmldir"]="${docdir}"
+S["infodir"]="${datarootdir}/info"
+S["docdir"]="${datarootdir}/doc/${PACKAGE_TARNAME}"
+S["oldincludedir"]="/usr/include"
+S["includedir"]="${prefix}/include"
+S["localstatedir"]="${prefix}/var"
+S["sharedstatedir"]="${prefix}/com"
+S["sysconfdir"]="${prefix}/etc"
+S["datadir"]="${datarootdir}"
+S["datarootdir"]="${prefix}/share"
+S["libexecdir"]="${exec_prefix}/libexec"
+S["sbindir"]="${exec_prefix}/sbin"
+S["bindir"]="${exec_prefix}/bin"
+S["program_transform_name"]="s,x,x,"
+S["prefix"]="/usr/local"
+S["exec_prefix"]="${prefix}"
+S["PACKAGE_URL"]=""
+S["PACKAGE_BUGREPORT"]=""
+S["PACKAGE_STRING"]="m4ri 20140914"
+S["PACKAGE_VERSION"]="20140914"
+S["PACKAGE_TARNAME"]="m4ri"
+S["PACKAGE_NAME"]="m4ri"
+S["PATH_SEPARATOR"]=":"
+S["SHELL"]="/bin/bash"
+_ACAWK
+cat >>"$ac_tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+D["PACKAGE_NAME"]=" \"m4ri\""
+D["PACKAGE_TARNAME"]=" \"m4ri\""
+D["PACKAGE_VERSION"]=" \"20140914\""
+D["PACKAGE_STRING"]=" \"m4ri 20140914\""
+D["PACKAGE_BUGREPORT"]=" \"\""
+D["PACKAGE_URL"]=" \"\""
+D["PACKAGE"]=" \"m4ri\""
+D["VERSION"]=" \"20140914\""
+D["STDC_HEADERS"]=" 1"
+D["HAVE_SYS_TYPES_H"]=" 1"
+D["HAVE_SYS_STAT_H"]=" 1"
+D["HAVE_STDLIB_H"]=" 1"
+D["HAVE_STRING_H"]=" 1"
+D["HAVE_MEMORY_H"]=" 1"
+D["HAVE_STRINGS_H"]=" 1"
+D["HAVE_INTTYPES_H"]=" 1"
+D["HAVE_STDINT_H"]=" 1"
+D["HAVE_UNISTD_H"]=" 1"
+D["HAVE_DLFCN_H"]=" 1"
+D["LT_OBJDIR"]=" \".libs/\""
+D["HAVE_MMX"]=" /**/"
+D["HAVE_SSE"]=" /**/"
+D["HAVE_SSE2"]=" /**/"
+D["HAVE_SSE3"]=" /**/"
+D["HAVE_SSSE3"]=" /**/"
+D["HAVE_MM_MALLOC"]=" /**/"
+D["HAVE_POSIX_MEMALIGN"]=" 1"
+D["NDEBUG"]=" 1"
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+[_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ][_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]*([\t (]|$)/ {
+  line = $ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$ac_tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  ac_datarootdir_hack='
+  s&@datadir@&${datarootdir}&g
+  s&@docdir@&${datarootdir}/doc/${PACKAGE_TARNAME}&g
+  s&@infodir@&${datarootdir}/info&g
+  s&@localedir@&${datarootdir}/locale&g
+  s&@mandir@&${datarootdir}/man&g
+  s&\${datarootdir}&${prefix}/share&g' ;;
+esac
+ac_sed_extra="/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
+s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
+s/^[^=]*=[	 ]*$//
+}
+
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&2;}
+
+  rm -f "$ac_tmp/stdin"
+  case $ac_file in
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    fi
+  else
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named 'Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$mf" : 'X\(//\)[^/]' \| \
+	 X"$mf" : 'X\(//\)$' \| \
+	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running 'make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "$am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$file" : 'X\(//\)[^/]' \| \
+	 X"$file" : 'X\(//\)$' \| \
+	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      as_dir=$dirpart/$fdir; as_fn_mkdir_p
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+ ;;
+    "libtool":C)
+
+    # See if we are running on zsh, and set the options which allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}" ; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile="${ofile}T"
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+#                 Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags=""
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Which release of libtool.m4 was used?
+macro_version=$macro_version
+macro_revision=$macro_revision
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# What type of objects to build.
+pic_mode=$pic_mode
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# An echo program that protects backslashes.
+ECHO=$lt_ECHO
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=$lt_PATH_SEPARATOR
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="\$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP=$lt_GREP
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# A literal string matcher.
+FGREP=$lt_FGREP
+
+# A BSD- or MS-compatible name lister.
+NM=$lt_NM
+
+# Whether we need soft or hard links.
+LN_S=$lt_LN_S
+
+# What is the maximum length of a command?
+max_cmd_len=$max_cmd_len
+
+# Object file suffix (normally "o").
+objext=$ac_objext
+
+# Executable file suffix (normally "").
+exeext=$exeext
+
+# whether the shell understands "unset".
+lt_unset=$lt_unset
+
+# turn spaces into newlines.
+SP2NL=$lt_lt_SP2NL
+
+# turn newlines into spaces.
+NL2SP=$lt_lt_NL2SP
+
+# convert \$build file names to \$host format.
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+
+# convert \$build files to toolchain format.
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+
+# An object symbol dumper.
+OBJDUMP=$lt_OBJDUMP
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd=$lt_file_magic_cmd
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=$lt_file_magic_glob
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob=$lt_want_nocaseglob
+
+# DLL creation program.
+DLLTOOL=$lt_DLLTOOL
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd
+
+# The archiver.
+AR=$lt_AR
+
+# Flags to create an archive.
+AR_FLAGS=$lt_AR_FLAGS
+
+# How to feed a file listing to the archiver.
+archiver_list_spec=$lt_archiver_list_spec
+
+# A symbol stripping program.
+STRIP=$lt_STRIP
+
+# Commands used to install an old-style archive.
+RANLIB=$lt_RANLIB
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=$lock_old_archive_extraction
+
+# A C compiler.
+LTCC=$lt_CC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_CFLAGS
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
+
+# Specify filename containing input files for \$NM.
+nm_file_list_spec=$lt_nm_file_list_spec
+
+# The root where to search for dependent libraries,and in which our libraries should be installed.
+lt_sysroot=$lt_sysroot
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=$MAGIC_CMD
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Manifest tool.
+MANIFEST_TOOL=$lt_MANIFEST_TOOL
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=$lt_DSYMUTIL
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=$lt_NMEDIT
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=$lt_LIPO
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=$lt_OTOOL
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=$lt_OTOOL64
+
+# Old archive suffix (normally "a").
+libext=$libext
+
+# Shared library suffix (normally ".so").
+shrext_cmds=$lt_shrext_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink=$lt_variables_saved_for_relink
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Library versioning type.
+version_type=$version_type
+
+# Shared library runtime path variable.
+runpath_var=$runpath_var
+
+# Shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=$lt_install_override_mode
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=$lt_postinstall_cmds
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=$lt_finish_eval
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds
+
+# A language specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=$lt_postlink_cmds
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+  if test x"$xsi_shell" = xyes; then
+  sed -e '/^func_dirname ()$/,/^} # func_dirname /c\
+func_dirname ()\
+{\
+\    case ${1} in\
+\      */*) func_dirname_result="${1%/*}${2}" ;;\
+\      *  ) func_dirname_result="${3}" ;;\
+\    esac\
+} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_basename ()$/,/^} # func_basename /c\
+func_basename ()\
+{\
+\    func_basename_result="${1##*/}"\
+} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\
+func_dirname_and_basename ()\
+{\
+\    case ${1} in\
+\      */*) func_dirname_result="${1%/*}${2}" ;;\
+\      *  ) func_dirname_result="${3}" ;;\
+\    esac\
+\    func_basename_result="${1##*/}"\
+} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_stripname ()$/,/^} # func_stripname /c\
+func_stripname ()\
+{\
+\    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\
+\    # positional parameters, so assign one to ordinary parameter first.\
+\    func_stripname_result=${3}\
+\    func_stripname_result=${func_stripname_result#"${1}"}\
+\    func_stripname_result=${func_stripname_result%"${2}"}\
+} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\
+func_split_long_opt ()\
+{\
+\    func_split_long_opt_name=${1%%=*}\
+\    func_split_long_opt_arg=${1#*=}\
+} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\
+func_split_short_opt ()\
+{\
+\    func_split_short_opt_arg=${1#??}\
+\    func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\
+} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\
+func_lo2o ()\
+{\
+\    case ${1} in\
+\      *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\
+\      *)    func_lo2o_result=${1} ;;\
+\    esac\
+} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_xform ()$/,/^} # func_xform /c\
+func_xform ()\
+{\
+    func_xform_result=${1%.*}.lo\
+} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_arith ()$/,/^} # func_arith /c\
+func_arith ()\
+{\
+    func_arith_result=$(( $* ))\
+} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_len ()$/,/^} # func_len /c\
+func_len ()\
+{\
+    func_len_result=${#1}\
+} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+fi
+
+if test x"$lt_shell_append" = xyes; then
+  sed -e '/^func_append ()$/,/^} # func_append /c\
+func_append ()\
+{\
+    eval "${1}+=\\${2}"\
+} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\
+func_append_quoted ()\
+{\
+\    func_quote_for_eval "${2}"\
+\    eval "${1}+=\\\\ \\$func_quote_for_eval_result"\
+} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  # Save a `func_append' function call where possible by direct use of '+='
+  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+else
+  # Save a `func_append' function call even when '+=' is not available
+  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+fi
+
+if test x"$_lt_function_replace_fail" = x":"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5
+$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;}
+fi
+
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+
+ ;;
+
+  esac
+done # for ac_tag
+
+
+as_fn_exit 0
diff --git a/src-light-solver/preprocess/m4ri-20140914/config.sub b/src-light-solver/preprocess/m4ri-20140914/config.sub
new file mode 100755
index 0000000..d654d03
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/config.sub
@@ -0,0 +1,1794 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+#   Copyright 1992-2014 Free Software Foundation, Inc.
+
+timestamp='2014-05-01'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+
+
+# Please send patches with a ChangeLog entry to config-patches@gnu.org.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support.  The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+       $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright 1992-2014 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help"
+       exit 1 ;;
+
+    *local*)
+       # First pass through any local machine types.
+       echo $1
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | \
+  kopensolaris*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  android-linux)
+    os=-linux-android
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work.  We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+	-sun*os*)
+		# Prevent following clause from handling this invalid input.
+		;;
+	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+	-apple | -axis | -knuth | -cray | -microblaze*)
+		os=
+		basic_machine=$1
+		;;
+	-bluegene*)
+		os=-cnk
+		;;
+	-sim | -cisco | -oki | -wec | -winbond)
+		os=
+		basic_machine=$1
+		;;
+	-scout)
+		;;
+	-wrs)
+		os=-vxworks
+		basic_machine=$1
+		;;
+	-chorusos*)
+		os=-chorusos
+		basic_machine=$1
+		;;
+	-chorusrdb)
+		os=-chorusrdb
+		basic_machine=$1
+		;;
+	-hiux*)
+		os=-hiuxwe2
+		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5)
+		os=-sco3.2v5
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco4)
+		os=-sco3.2v4
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2.[4-9]*)
+		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2v[4-9]*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco*)
+		os=-sco3.2v2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-udk*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-isc)
+		os=-isc2.2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-clix*)
+		basic_machine=clipper-intergraph
+		;;
+	-isc*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-lynx*178)
+		os=-lynxos178
+		;;
+	-lynx*5)
+		os=-lynxos5
+		;;
+	-lynx*)
+		os=-lynxos
+		;;
+	-ptx*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+		;;
+	-windowsnt*)
+		os=`echo $os | sed -e 's/windowsnt/winnt/'`
+		;;
+	-psos*)
+		os=-psos
+		;;
+	-mint | -mint[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+	# Recognize the basic CPU types without company name.
+	# Some are omitted here because they have special meanings below.
+	1750a | 580 \
+	| a29k \
+	| aarch64 | aarch64_be \
+	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+	| am33_2.0 \
+	| arc | arceb \
+	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
+	| avr | avr32 \
+	| be32 | be64 \
+	| bfin \
+	| c4x | c8051 | clipper \
+	| d10v | d30v | dlx | dsp16xx \
+	| epiphany \
+	| fido | fr30 | frv \
+	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| hexagon \
+	| i370 | i860 | i960 | ia64 \
+	| ip2k | iq2000 \
+	| k1om \
+	| le32 | le64 \
+	| lm32 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
+	| mips | mipsbe | mipseb | mipsel | mipsle \
+	| mips16 \
+	| mips64 | mips64el \
+	| mips64octeon | mips64octeonel \
+	| mips64orion | mips64orionel \
+	| mips64r5900 | mips64r5900el \
+	| mips64vr | mips64vrel \
+	| mips64vr4100 | mips64vr4100el \
+	| mips64vr4300 | mips64vr4300el \
+	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
+	| mipsisa32 | mipsisa32el \
+	| mipsisa32r2 | mipsisa32r2el \
+	| mipsisa32r6 | mipsisa32r6el \
+	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
+	| mipsisa64r6 | mipsisa64r6el \
+	| mipsisa64sb1 | mipsisa64sb1el \
+	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipsr5900 | mipsr5900el \
+	| mipstx39 | mipstx39el \
+	| mn10200 | mn10300 \
+	| moxie \
+	| mt \
+	| msp430 \
+	| nds32 | nds32le | nds32be \
+	| nios | nios2 | nios2eb | nios2el \
+	| ns16k | ns32k \
+	| open8 | or1k | or1knd | or32 \
+	| pdp10 | pdp11 | pj | pjl \
+	| powerpc | powerpc64 | powerpc64le | powerpcle \
+	| pyramid \
+	| rl78 | rx \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+	| sh64 | sh64le \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+	| spu \
+	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+	| ubicom32 \
+	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+	| we32k \
+	| x86 | xc16x | xstormy16 | xtensa \
+	| z8k | z80)
+		basic_machine=$basic_machine-unknown
+		;;
+	c54x)
+		basic_machine=tic54x-unknown
+		;;
+	c55x)
+		basic_machine=tic55x-unknown
+		;;
+	c6x)
+		basic_machine=tic6x-unknown
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip)
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
+
+	strongarm | thumb | xscale)
+		basic_machine=arm-unknown
+		;;
+	xgate)
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	xscaleeb)
+		basic_machine=armeb-unknown
+		;;
+
+	xscaleel)
+		basic_machine=armel-unknown
+		;;
+
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+	  basic_machine=$basic_machine-pc
+	  ;;
+	# Object if more than one company name word.
+	*-*-*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+	# Recognize the basic CPU types with company name.
+	580-* \
+	| a29k-* \
+	| aarch64-* | aarch64_be-* \
+	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
+	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+	| avr-* | avr32-* \
+	| be32-* | be64-* \
+	| bfin-* | bs2000-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+	| c8051-* | clipper-* | craynv-* | cydra-* \
+	| d10v-* | d30v-* | dlx-* \
+	| elxsi-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+	| h8300-* | h8500-* \
+	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| hexagon-* \
+	| i*86-* | i860-* | i960-* | ia64-* \
+	| ip2k-* | iq2000-* \
+	| k1om-* \
+	| le32-* | le64-* \
+	| lm32-* \
+	| m32c-* | m32r-* | m32rle-* \
+	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+	| microblaze-* | microblazeel-* \
+	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+	| mips16-* \
+	| mips64-* | mips64el-* \
+	| mips64octeon-* | mips64octeonel-* \
+	| mips64orion-* | mips64orionel-* \
+	| mips64r5900-* | mips64r5900el-* \
+	| mips64vr-* | mips64vrel-* \
+	| mips64vr4100-* | mips64vr4100el-* \
+	| mips64vr4300-* | mips64vr4300el-* \
+	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
+	| mipsisa32-* | mipsisa32el-* \
+	| mipsisa32r2-* | mipsisa32r2el-* \
+	| mipsisa32r6-* | mipsisa32r6el-* \
+	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
+	| mipsisa64r6-* | mipsisa64r6el-* \
+	| mipsisa64sb1-* | mipsisa64sb1el-* \
+	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipsr5900-* | mipsr5900el-* \
+	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
+	| msp430-* \
+	| nds32-* | nds32le-* | nds32be-* \
+	| nios-* | nios2-* | nios2eb-* | nios2el-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| open8-* \
+	| or1k*-* \
+	| orion-* \
+	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+	| pyramid-* \
+	| rl78-* | romp-* | rs6000-* | rx-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+	| sparclite-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+	| tahoe-* \
+	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+	| tile*-* \
+	| tron-* \
+	| ubicom32-* \
+	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+	| vax-* \
+	| we32k-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* \
+	| xstormy16-* | xtensa*-* \
+	| ymp-* \
+	| z8k-* | z80-*)
+		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
+		;;
+	# Recognize the various machine names and aliases which stand
+	# for a CPU type and a company and sometimes even an OS.
+	386bsd)
+		basic_machine=i386-unknown
+		os=-bsd
+		;;
+	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+		basic_machine=m68000-att
+		;;
+	3b*)
+		basic_machine=we32k-att
+		;;
+	a29khif)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	abacus)
+		basic_machine=abacus-unknown
+		;;
+	adobe68k)
+		basic_machine=m68010-adobe
+		os=-scout
+		;;
+	alliant | fx80)
+		basic_machine=fx80-alliant
+		;;
+	altos | altos3068)
+		basic_machine=m68k-altos
+		;;
+	am29k)
+		basic_machine=a29k-none
+		os=-bsd
+		;;
+	amd64)
+		basic_machine=x86_64-pc
+		;;
+	amd64-*)
+		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	amdahl)
+		basic_machine=580-amdahl
+		os=-sysv
+		;;
+	amiga | amiga-*)
+		basic_machine=m68k-unknown
+		;;
+	amigaos | amigados)
+		basic_machine=m68k-unknown
+		os=-amigaos
+		;;
+	amigaunix | amix)
+		basic_machine=m68k-unknown
+		os=-sysv4
+		;;
+	apollo68)
+		basic_machine=m68k-apollo
+		os=-sysv
+		;;
+	apollo68bsd)
+		basic_machine=m68k-apollo
+		os=-bsd
+		;;
+	aros)
+		basic_machine=i386-pc
+		os=-aros
+		;;
+	aux)
+		basic_machine=m68k-apple
+		os=-aux
+		;;
+	balance)
+		basic_machine=ns32k-sequent
+		os=-dynix
+		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	bluegene*)
+		basic_machine=powerpc-ibm
+		os=-cnk
+		;;
+	c54x-*)
+		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c55x-*)
+		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c6x-*)
+		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c90)
+		basic_machine=c90-cray
+		os=-unicos
+		;;
+	cegcc)
+		basic_machine=arm-unknown
+		os=-cegcc
+		;;
+	convex-c1)
+		basic_machine=c1-convex
+		os=-bsd
+		;;
+	convex-c2)
+		basic_machine=c2-convex
+		os=-bsd
+		;;
+	convex-c32)
+		basic_machine=c32-convex
+		os=-bsd
+		;;
+	convex-c34)
+		basic_machine=c34-convex
+		os=-bsd
+		;;
+	convex-c38)
+		basic_machine=c38-convex
+		os=-bsd
+		;;
+	cray | j90)
+		basic_machine=j90-cray
+		os=-unicos
+		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16 | cr16-*)
+		basic_machine=cr16-unknown
+		os=-elf
+		;;
+	crds | unos)
+		basic_machine=m68k-crds
+		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
+	cris | cris-* | etrax*)
+		basic_machine=cris-axis
+		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
+	da30 | da30-*)
+		basic_machine=m68k-da30
+		;;
+	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+		basic_machine=mips-dec
+		;;
+	decsystem10* | dec10*)
+		basic_machine=pdp10-dec
+		os=-tops10
+		;;
+	decsystem20* | dec20*)
+		basic_machine=pdp10-dec
+		os=-tops20
+		;;
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		basic_machine=m68k-motorola
+		;;
+	delta88)
+		basic_machine=m88k-motorola
+		os=-sysv3
+		;;
+	dicos)
+		basic_machine=i686-pc
+		os=-dicos
+		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
+	dpx20 | dpx20-*)
+		basic_machine=rs6000-bull
+		os=-bosx
+		;;
+	dpx2* | dpx2*-bull)
+		basic_machine=m68k-bull
+		os=-sysv3
+		;;
+	ebmon29k)
+		basic_machine=a29k-amd
+		os=-ebmon
+		;;
+	elxsi)
+		basic_machine=elxsi-elxsi
+		os=-bsd
+		;;
+	encore | umax | mmax)
+		basic_machine=ns32k-encore
+		;;
+	es1800 | OSE68k | ose68k | ose | OSE)
+		basic_machine=m68k-ericsson
+		os=-ose
+		;;
+	fx2800)
+		basic_machine=i860-alliant
+		;;
+	genix)
+		basic_machine=ns32k-ns
+		;;
+	gmicro)
+		basic_machine=tron-gmicro
+		os=-sysv
+		;;
+	go32)
+		basic_machine=i386-pc
+		os=-go32
+		;;
+	h3050r* | hiux*)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	h8300hms)
+		basic_machine=h8300-hitachi
+		os=-hms
+		;;
+	h8300xray)
+		basic_machine=h8300-hitachi
+		os=-xray
+		;;
+	h8500hms)
+		basic_machine=h8500-hitachi
+		os=-hms
+		;;
+	harris)
+		basic_machine=m88k-harris
+		os=-sysv3
+		;;
+	hp300-*)
+		basic_machine=m68k-hp
+		;;
+	hp300bsd)
+		basic_machine=m68k-hp
+		os=-bsd
+		;;
+	hp300hpux)
+		basic_machine=m68k-hp
+		os=-hpux
+		;;
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		basic_machine=m68000-hp
+		;;
+	hp9k3[2-9][0-9])
+		basic_machine=m68k-hp
+		;;
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hppa-next)
+		os=-nextstep3
+		;;
+	hppaosf)
+		basic_machine=hppa1.1-hp
+		os=-osf
+		;;
+	hppro)
+		basic_machine=hppa1.1-hp
+		os=-proelf
+		;;
+	i370-ibm* | ibm*)
+		basic_machine=i370-ibm
+		;;
+	i*86v32)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv32
+		;;
+	i*86v4*)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv4
+		;;
+	i*86v)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv
+		;;
+	i*86sol2)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-solaris2
+		;;
+	i386mach)
+		basic_machine=i386-mach
+		os=-mach
+		;;
+	i386-vsta | vsta)
+		basic_machine=i386-unknown
+		os=-vsta
+		;;
+	iris | iris4d)
+		basic_machine=mips-sgi
+		case $os in
+		    -irix*)
+			;;
+		    *)
+			os=-irix4
+			;;
+		esac
+		;;
+	isi68 | isi)
+		basic_machine=m68k-isi
+		os=-sysv
+		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	m88k-omron*)
+		basic_machine=m88k-omron
+		;;
+	magnum | m3230)
+		basic_machine=mips-mips
+		os=-sysv
+		;;
+	merlin)
+		basic_machine=ns32k-utek
+		os=-sysv
+		;;
+	microblaze*)
+		basic_machine=microblaze-xilinx
+		;;
+	mingw64)
+		basic_machine=x86_64-pc
+		os=-mingw64
+		;;
+	mingw32)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
+	miniframe)
+		basic_machine=m68000-convergent
+		;;
+	*mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+	mips3*-*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+		;;
+	mips3*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+		;;
+	monitor)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	morphos)
+		basic_machine=powerpc-unknown
+		os=-morphos
+		;;
+	msdos)
+		basic_machine=i386-pc
+		os=-msdos
+		;;
+	ms1-*)
+		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		;;
+	msys)
+		basic_machine=i686-pc
+		os=-msys
+		;;
+	mvs)
+		basic_machine=i370-ibm
+		os=-mvs
+		;;
+	nacl)
+		basic_machine=le32-unknown
+		os=-nacl
+		;;
+	ncr3000)
+		basic_machine=i486-ncr
+		os=-sysv4
+		;;
+	netbsd386)
+		basic_machine=i386-unknown
+		os=-netbsd
+		;;
+	netwinder)
+		basic_machine=armv4l-rebel
+		os=-linux
+		;;
+	news | news700 | news800 | news900)
+		basic_machine=m68k-sony
+		os=-newsos
+		;;
+	news1000)
+		basic_machine=m68030-sony
+		os=-newsos
+		;;
+	news-3600 | risc-news)
+		basic_machine=mips-sony
+		os=-newsos
+		;;
+	necv70)
+		basic_machine=v70-nec
+		os=-sysv
+		;;
+	next | m*-next )
+		basic_machine=m68k-next
+		case $os in
+		    -nextstep* )
+			;;
+		    -ns2*)
+		      os=-nextstep2
+			;;
+		    *)
+		      os=-nextstep3
+			;;
+		esac
+		;;
+	nh3000)
+		basic_machine=m68k-harris
+		os=-cxux
+		;;
+	nh[45]000)
+		basic_machine=m88k-harris
+		os=-cxux
+		;;
+	nindy960)
+		basic_machine=i960-intel
+		os=-nindy
+		;;
+	mon960)
+		basic_machine=i960-intel
+		os=-mon960
+		;;
+	nonstopux)
+		basic_machine=mips-compaq
+		os=-nonstopux
+		;;
+	np1)
+		basic_machine=np1-gould
+		;;
+	neo-tandem)
+		basic_machine=neo-tandem
+		;;
+	nse-tandem)
+		basic_machine=nse-tandem
+		;;
+	nsr-tandem)
+		basic_machine=nsr-tandem
+		;;
+	op50n-* | op60c-*)
+		basic_machine=hppa1.1-oki
+		os=-proelf
+		;;
+	openrisc | openrisc-*)
+		basic_machine=or32-unknown
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
+		;;
+	OSE68000 | ose68000)
+		basic_machine=m68000-ericsson
+		os=-ose
+		;;
+	os68k)
+		basic_machine=m68k-none
+		os=-os68k
+		;;
+	pa-hitachi)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	paragon)
+		basic_machine=i860-intel
+		os=-osf
+		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	pbd)
+		basic_machine=sparc-tti
+		;;
+	pbb)
+		basic_machine=m68k-tti
+		;;
+	pc532 | pc532-*)
+		basic_machine=ns32k-pc532
+		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium | p5 | k5 | k6 | nexgen | viac3)
+		basic_machine=i586-pc
+		;;
+	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+		basic_machine=i686-pc
+		;;
+	pentiumii | pentium2 | pentiumiii | pentium3)
+		basic_machine=i686-pc
+		;;
+	pentium4)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium4-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pn)
+		basic_machine=pn-gould
+		;;
+	power)	basic_machine=power-ibm
+		;;
+	ppc | ppcbe)	basic_machine=powerpc-unknown
+		;;
+	ppc-* | ppcbe-*)
+		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppcle | powerpclittle | ppc-le | powerpc-little)
+		basic_machine=powerpcle-unknown
+		;;
+	ppcle-* | powerpclittle-*)
+		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64)	basic_machine=powerpc64-unknown
+		;;
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+		basic_machine=powerpc64le-unknown
+		;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ps2)
+		basic_machine=i386-ibm
+		;;
+	pw32)
+		basic_machine=i586-unknown
+		os=-pw32
+		;;
+	rdos | rdos64)
+		basic_machine=x86_64-pc
+		os=-rdos
+		;;
+	rdos32)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
+	rom68k)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	rm[46]00)
+		basic_machine=mips-siemens
+		;;
+	rtpc | rtpc-*)
+		basic_machine=romp-ibm
+		;;
+	s390 | s390-*)
+		basic_machine=s390-ibm
+		;;
+	s390x | s390x-*)
+		basic_machine=s390x-ibm
+		;;
+	sa29200)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	sb1)
+		basic_machine=mipsisa64sb1-unknown
+		;;
+	sb1el)
+		basic_machine=mipsisa64sb1el-unknown
+		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
+	sei)
+		basic_machine=mips-sei
+		os=-seiux
+		;;
+	sequent)
+		basic_machine=i386-sequent
+		;;
+	sh)
+		basic_machine=sh-hitachi
+		os=-hms
+		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
+	sh64)
+		basic_machine=sh64-unknown
+		;;
+	sparclite-wrs | simso-wrs)
+		basic_machine=sparclite-wrs
+		os=-vxworks
+		;;
+	sps7)
+		basic_machine=m68k-bull
+		os=-sysv2
+		;;
+	spur)
+		basic_machine=spur-unknown
+		;;
+	st2000)
+		basic_machine=m68k-tandem
+		;;
+	stratus)
+		basic_machine=i860-stratus
+		os=-sysv4
+		;;
+	strongarm-* | thumb-*)
+		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	sun2)
+		basic_machine=m68000-sun
+		;;
+	sun2os3)
+		basic_machine=m68000-sun
+		os=-sunos3
+		;;
+	sun2os4)
+		basic_machine=m68000-sun
+		os=-sunos4
+		;;
+	sun3os3)
+		basic_machine=m68k-sun
+		os=-sunos3
+		;;
+	sun3os4)
+		basic_machine=m68k-sun
+		os=-sunos4
+		;;
+	sun4os3)
+		basic_machine=sparc-sun
+		os=-sunos3
+		;;
+	sun4os4)
+		basic_machine=sparc-sun
+		os=-sunos4
+		;;
+	sun4sol2)
+		basic_machine=sparc-sun
+		os=-solaris2
+		;;
+	sun3 | sun3-*)
+		basic_machine=m68k-sun
+		;;
+	sun4)
+		basic_machine=sparc-sun
+		;;
+	sun386 | sun386i | roadrunner)
+		basic_machine=i386-sun
+		;;
+	sv1)
+		basic_machine=sv1-cray
+		os=-unicos
+		;;
+	symmetry)
+		basic_machine=i386-sequent
+		os=-dynix
+		;;
+	t3e)
+		basic_machine=alphaev5-cray
+		os=-unicos
+		;;
+	t90)
+		basic_machine=t90-cray
+		os=-unicos
+		;;
+	tile*)
+		basic_machine=$basic_machine-unknown
+		os=-linux-gnu
+		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
+	toad1)
+		basic_machine=pdp10-xkl
+		os=-tops20
+		;;
+	tower | tower-32)
+		basic_machine=m68k-ncr
+		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
+	udi29k)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	ultra3)
+		basic_machine=a29k-nyu
+		os=-sym1
+		;;
+	v810 | necv810)
+		basic_machine=v810-nec
+		os=-none
+		;;
+	vaxv)
+		basic_machine=vax-dec
+		os=-sysv
+		;;
+	vms)
+		basic_machine=vax-dec
+		os=-vms
+		;;
+	vpp*|vx|vx-*)
+		basic_machine=f301-fujitsu
+		;;
+	vxworks960)
+		basic_machine=i960-wrs
+		os=-vxworks
+		;;
+	vxworks68)
+		basic_machine=m68k-wrs
+		os=-vxworks
+		;;
+	vxworks29k)
+		basic_machine=a29k-wrs
+		os=-vxworks
+		;;
+	w65*)
+		basic_machine=w65-wdc
+		os=-none
+		;;
+	w89k-*)
+		basic_machine=hppa1.1-winbond
+		os=-proelf
+		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	xps | xps100)
+		basic_machine=xps100-honeywell
+		;;
+	xscale-* | xscalee[bl]-*)
+		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
+		;;
+	ymp)
+		basic_machine=ymp-cray
+		os=-unicos
+		;;
+	z8k-*-coff)
+		basic_machine=z8k-unknown
+		os=-sim
+		;;
+	z80-*-coff)
+		basic_machine=z80-unknown
+		os=-sim
+		;;
+	none)
+		basic_machine=none-none
+		os=-none
+		;;
+
+# Here we handle the default manufacturer of certain CPU types.  It is in
+# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		basic_machine=hppa1.1-winbond
+		;;
+	op50n)
+		basic_machine=hppa1.1-oki
+		;;
+	op60c)
+		basic_machine=hppa1.1-oki
+		;;
+	romp)
+		basic_machine=romp-ibm
+		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
+	rs6000)
+		basic_machine=rs6000-ibm
+		;;
+	vax)
+		basic_machine=vax-dec
+		;;
+	pdp10)
+		# there are many clones, so DEC is not a safe bet
+		basic_machine=pdp10-unknown
+		;;
+	pdp11)
+		basic_machine=pdp11-dec
+		;;
+	we32k)
+		basic_machine=we32k-att
+		;;
+	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
+		basic_machine=sh-unknown
+		;;
+	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+		basic_machine=sparc-sun
+		;;
+	cydra)
+		basic_machine=cydra-cydrome
+		;;
+	orion)
+		basic_machine=orion-highlevel
+		;;
+	orion105)
+		basic_machine=clipper-highlevel
+		;;
+	mac | mpw | mac-mpw)
+		basic_machine=m68k-apple
+		;;
+	pmac | pmac-mpw)
+		basic_machine=powerpc-apple
+		;;
+	*-unknown)
+		# Make sure to match an already-canonicalized machine name.
+		;;
+	*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+	*-digital*)
+		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+		;;
+	*-commodore*)
+		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+		;;
+	*)
+		;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+	# First match some system type aliases
+	# that might get confused with valid system types.
+	# -solaris* is a basic system type, with this one exception.
+	-auroraux)
+		os=-auroraux
+		;;
+	-solaris1 | -solaris1.*)
+		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		;;
+	-solaris)
+		os=-solaris2
+		;;
+	-svr4*)
+		os=-sysv4
+		;;
+	-unixware*)
+		os=-sysv4.2uw
+		;;
+	-gnu/linux*)
+		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+		;;
+	# First accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST END IN A *, to match a version number.
+	# -sysv* is not here because it comes later, after sysvr4.
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+	      | -sym* | -kopensolaris* | -plan9* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* | -aros* \
+	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -bitrig* | -openbsd* | -solidbsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+	      | -chorusos* | -chorusrdb* | -cegcc* \
+	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*)
+	# Remember, each alternative MUST END IN *, to match a version number.
+		;;
+	-qnx*)
+		case $basic_machine in
+		    x86-* | i*86-*)
+			;;
+		    *)
+			os=-nto$os
+			;;
+		esac
+		;;
+	-nto-qnx*)
+		;;
+	-nto*)
+		os=`echo $os | sed -e 's|nto|nto-qnx|'`
+		;;
+	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+		;;
+	-mac*)
+		os=`echo $os | sed -e 's|mac|macos|'`
+		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
+	-linux*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+		;;
+	-sunos5*)
+		os=`echo $os | sed -e 's|sunos5|solaris2|'`
+		;;
+	-sunos6*)
+		os=`echo $os | sed -e 's|sunos6|solaris3|'`
+		;;
+	-opened*)
+		os=-openedition
+		;;
+	-os400*)
+		os=-os400
+		;;
+	-wince*)
+		os=-wince
+		;;
+	-osfrose*)
+		os=-osfrose
+		;;
+	-osf*)
+		os=-osf
+		;;
+	-utek*)
+		os=-bsd
+		;;
+	-dynix*)
+		os=-bsd
+		;;
+	-acis*)
+		os=-aos
+		;;
+	-atheos*)
+		os=-atheos
+		;;
+	-syllable*)
+		os=-syllable
+		;;
+	-386bsd)
+		os=-bsd
+		;;
+	-ctix* | -uts*)
+		os=-sysv
+		;;
+	-nova*)
+		os=-rtmk-nova
+		;;
+	-ns2 )
+		os=-nextstep2
+		;;
+	-nsk*)
+		os=-nsk
+		;;
+	# Preserve the version number of sinix5.
+	-sinix5.*)
+		os=`echo $os | sed -e 's|sinix|sysv|'`
+		;;
+	-sinix*)
+		os=-sysv4
+		;;
+	-tpf*)
+		os=-tpf
+		;;
+	-triton*)
+		os=-sysv3
+		;;
+	-oss*)
+		os=-sysv3
+		;;
+	-svr4)
+		os=-sysv4
+		;;
+	-svr3)
+		os=-sysv3
+		;;
+	-sysvr4)
+		os=-sysv4
+		;;
+	# This must come after -sysvr4.
+	-sysv*)
+		;;
+	-ose*)
+		os=-ose
+		;;
+	-es1800*)
+		os=-ose
+		;;
+	-xenix)
+		os=-xenix
+		;;
+	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+		os=-mint
+		;;
+	-aros*)
+		os=-aros
+		;;
+	-zvmoe)
+		os=-zvmoe
+		;;
+	-dicos*)
+		os=-dicos
+		;;
+	-nacl*)
+		;;
+	-none)
+		;;
+	*)
+		# Get rid of the `-' at the beginning of $os.
+		os=`echo $os | sed 's/[^-]*-//'`
+		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+		exit 1
+		;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system.  Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+	score-*)
+		os=-elf
+		;;
+	spu-*)
+		os=-elf
+		;;
+	*-acorn)
+		os=-riscix1.2
+		;;
+	arm*-rebel)
+		os=-linux
+		;;
+	arm*-semi)
+		os=-aout
+		;;
+	c4x-* | tic4x-*)
+		os=-coff
+		;;
+	c8051-*)
+		os=-elf
+		;;
+	hexagon-*)
+		os=-elf
+		;;
+	tic54x-*)
+		os=-coff
+		;;
+	tic55x-*)
+		os=-coff
+		;;
+	tic6x-*)
+		os=-coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=-tops20
+		;;
+	pdp11-*)
+		os=-none
+		;;
+	*-dec | vax-*)
+		os=-ultrix4.2
+		;;
+	m68*-apollo)
+		os=-domain
+		;;
+	i386-sun)
+		os=-sunos4.0.2
+		;;
+	m68000-sun)
+		os=-sunos3
+		;;
+	m68*-cisco)
+		os=-aout
+		;;
+	mep-*)
+		os=-elf
+		;;
+	mips*-cisco)
+		os=-elf
+		;;
+	mips*-*)
+		os=-elf
+		;;
+	or32-*)
+		os=-coff
+		;;
+	*-tti)	# must be before sparc entry or we get the wrong os.
+		os=-sysv3
+		;;
+	sparc-* | *-sun)
+		os=-sunos4.1.1
+		;;
+	*-be)
+		os=-beos
+		;;
+	*-haiku)
+		os=-haiku
+		;;
+	*-ibm)
+		os=-aix
+		;;
+	*-knuth)
+		os=-mmixware
+		;;
+	*-wec)
+		os=-proelf
+		;;
+	*-winbond)
+		os=-proelf
+		;;
+	*-oki)
+		os=-proelf
+		;;
+	*-hp)
+		os=-hpux
+		;;
+	*-hitachi)
+		os=-hiux
+		;;
+	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+		os=-sysv
+		;;
+	*-cbm)
+		os=-amigaos
+		;;
+	*-dg)
+		os=-dgux
+		;;
+	*-dolphin)
+		os=-sysv3
+		;;
+	m68k-ccur)
+		os=-rtu
+		;;
+	m88k-omron*)
+		os=-luna
+		;;
+	*-next )
+		os=-nextstep
+		;;
+	*-sequent)
+		os=-ptx
+		;;
+	*-crds)
+		os=-unos
+		;;
+	*-ns)
+		os=-genix
+		;;
+	i370-*)
+		os=-mvs
+		;;
+	*-next)
+		os=-nextstep3
+		;;
+	*-gould)
+		os=-sysv
+		;;
+	*-highlevel)
+		os=-bsd
+		;;
+	*-encore)
+		os=-bsd
+		;;
+	*-sgi)
+		os=-irix
+		;;
+	*-siemens)
+		os=-sysv4
+		;;
+	*-masscomp)
+		os=-rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=-uxpv
+		;;
+	*-rom68k)
+		os=-coff
+		;;
+	*-*bug)
+		os=-coff
+		;;
+	*-apple)
+		os=-macos
+		;;
+	*-atari*)
+		os=-mint
+		;;
+	*)
+		os=-none
+		;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer.  We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+	*-unknown)
+		case $os in
+			-riscix*)
+				vendor=acorn
+				;;
+			-sunos*)
+				vendor=sun
+				;;
+			-cnk*|-aix*)
+				vendor=ibm
+				;;
+			-beos*)
+				vendor=be
+				;;
+			-hpux*)
+				vendor=hp
+				;;
+			-mpeix*)
+				vendor=hp
+				;;
+			-hiux*)
+				vendor=hitachi
+				;;
+			-unos*)
+				vendor=crds
+				;;
+			-dgux*)
+				vendor=dg
+				;;
+			-luna*)
+				vendor=omron
+				;;
+			-genix*)
+				vendor=ns
+				;;
+			-mvs* | -opened*)
+				vendor=ibm
+				;;
+			-os400*)
+				vendor=ibm
+				;;
+			-ptx*)
+				vendor=sequent
+				;;
+			-tpf*)
+				vendor=ibm
+				;;
+			-vxsim* | -vxworks* | -windiss*)
+				vendor=wrs
+				;;
+			-aux*)
+				vendor=apple
+				;;
+			-hms*)
+				vendor=hitachi
+				;;
+			-mpw* | -macos*)
+				vendor=apple
+				;;
+			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+				vendor=atari
+				;;
+			-vos*)
+				vendor=stratus
+				;;
+		esac
+		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+		;;
+esac
+
+echo $basic_machine$os
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/configure b/src-light-solver/preprocess/m4ri-20140914/configure
new file mode 100755
index 0000000..afa362b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/configure
@@ -0,0 +1,16103 @@
+#! /bin/bash
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.69 for m4ri 20140914.
+#
+#
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+
+  test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
+      || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/bash}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+SHELL=${CONFIG_SHELL-/bin/bash}
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME='m4ri'
+PACKAGE_TARNAME='m4ri'
+PACKAGE_VERSION='20140914'
+PACKAGE_STRING='m4ri 20140914'
+PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
+
+ac_unique_file="m4ri/brilliantrussian.c"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
+LIBOBJS
+RELEASE
+LIBPNG_LIBADD
+M4RI_HAVE_LIBPNG
+PNG_LIBS
+PNG_CFLAGS
+PKG_CONFIG_LIBDIR
+PKG_CONFIG_PATH
+PKG_CONFIG
+M4RI_CPU_L3_CACHE
+M4RI_CPU_L2_CACHE
+M4RI_CPU_L1_CACHE
+PAPI_CFLAGS
+PAPI_LDFLAGS
+PAPI_LIBS
+DEBUG_FLAGS
+M4RI_DEBUG_MZD
+M4RI_DEBUG_DUMP
+M4RI_HAVE_OPENMP
+OPENMP_CFLAGS
+M4RI_HAVE_POSIX_MEMALIGN
+M4RI_HAVE_MM_MALLOC
+M4RI_HAVE_SSE2
+SIMD_CFLAGS
+CPP
+OTOOL64
+OTOOL
+LIPO
+NMEDIT
+DSYMUTIL
+MANIFEST_TOOL
+RANLIB
+ac_ct_AR
+AR
+DLLTOOL
+OBJDUMP
+LN_S
+NM
+ac_ct_DUMPBIN
+DUMPBIN
+LD
+FGREP
+EGREP
+GREP
+SED
+LIBTOOL
+am__fastdepCC_FALSE
+am__fastdepCC_TRUE
+CCDEPMODE
+am__nodep
+AMDEPBACKSLASH
+AMDEP_FALSE
+AMDEP_TRUE
+am__quote
+am__include
+DEPDIR
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
+am__untar
+am__tar
+AMTAR
+am__leading_dot
+SET_MAKE
+AWK
+mkdir_p
+MKDIR_P
+INSTALL_STRIP_PROGRAM
+STRIP
+install_sh
+MAKEINFO
+AUTOHEADER
+AUTOMAKE
+AUTOCONF
+ACLOCAL
+VERSION
+PACKAGE
+CYGPATH_W
+am__isrc
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+enable_silent_rules
+enable_maintainer_mode
+enable_dependency_tracking
+enable_shared
+enable_static
+with_pic
+enable_fast_install
+with_gnu_ld
+with_sysroot
+enable_libtool_lock
+enable_sse2
+with_papi
+with_cachesize
+enable_openmp
+enable_debug
+enable_debug_dump
+enable_debug_mzd
+enable_cachetune
+enable_png
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CPP
+PKG_CONFIG
+PKG_CONFIG_PATH
+PKG_CONFIG_LIBDIR
+PNG_CFLAGS
+PNG_LIBS'
+
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
+  esac
+
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  as_fn_error $? "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error $? "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error $? "pwd does not report name of working directory"
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures m4ri 20140914 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking ...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/m4ri]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+
+System types:
+  --build=BUILD     configure for building on BUILD [guessed]
+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of m4ri 20140914:";;
+   esac
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
+  --enable-shared[=PKGS]  build shared libraries [default=yes]
+  --enable-static[=PKGS]  build static libraries [default=yes]
+  --enable-fast-install[=PKGS]
+                          optimize for fast installation [default=yes]
+  --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-sse2          don't use SSE2 instruction set.
+  --enable-openmp         add support for OpenMP multicore support.
+  --enable-debug          Enable assert() statements for debugging.
+  --enable-debug-dump     Dump output at exit of every function.
+  --enable-debug-mzd      Add consistency checks on matrix structures.
+  --enable-cachetune      calculate cache size from timing information
+                          (deprecated).
+  --disable-png           disable PNG support [default=enabled]
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
+                          both]
+  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+  --with-sysroot=DIR Search for dependent libraries within DIR
+                        (or the compiler's sysroot if not specified).
+  --with-papi[=PATH]      The PAPI install prefix, if configure can't find it.
+  --with-cachesize[=VALUE]
+                          L1,L2 and L3 cache sizes in bytes, separated by a
+                          colon. Overrides cache tuning.
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  CPP         C preprocessor
+  PKG_CONFIG  path to pkg-config utility
+  PKG_CONFIG_PATH
+              directories to add to pkg-config's search path
+  PKG_CONFIG_LIBDIR
+              path overriding pkg-config's built-in search path
+  PNG_CFLAGS  C compiler flags for PNG, overriding pkg-config
+  PNG_LIBS    linker flags for PNG, overriding pkg-config
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to the package provider.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+m4ri configure 20140914
+generated by GNU Autoconf 2.69
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by m4ri $as_me 20140914, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    $as_echo "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    2)
+      as_fn_append ac_configure_args1 " '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      as_fn_append ac_configure_args " '$ac_arg'"
+      ;;
+    esac
+  done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    $as_echo "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    $as_echo "## ----------------- ##
+## Output variables. ##
+## ----------------- ##"
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      $as_echo "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      $as_echo "## ----------- ##
+## confdefs.h. ##
+## ----------- ##"
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+$as_echo "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file" \
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+fi
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
+
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
+
+
+am__api_version='1.14'
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if ${ac_cv_path_install+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+  done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$*" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$*" != "X $srcdir/configure conftest.file" \
+	&& test "$*" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment" "$LINENO" 5
+     fi
+     if test "$2" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   as_fn_error $? "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
+else
+  am_missing_run=
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if ${ac_cv_path_mkdir+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue
+	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir (GNU coreutils) '* | \
+	     'mkdir (coreutils) '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+  done
+IFS=$as_save_IFS
+
+fi
+
+  test -d ./--version && rmdir ./--version
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
+
+for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AWK+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AWK="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/bash
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+  SET_MAKE=
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='m4ri'
+ VERSION='20140914'
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE "$PACKAGE"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$VERSION"
+_ACEOF
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
+
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
+
+
+
+
+
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
+
+
+
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+  ac_file=''
+fi
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if ${ac_cv_objext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if ${ac_cv_c_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_compiler_gnu=yes
+else
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if ${ac_cv_prog_cc_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+else
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if ${ac_cv_prog_cc_c89+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
+
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
+if ${am_cv_prog_cc_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+$as_echo "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if ${am_cv_CC_dependencies_compiler_type+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/bash.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+
+
+case `pwd` in
+  *\ * | *\	*)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
+
+
+
+macro_version='2.4.2'
+macro_revision='1.3337'
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
+$as_echo_n "checking how to print strings... " >&6; }
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO ""
+}
+
+case "$ECHO" in
+  printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
+$as_echo "printf" >&6; } ;;
+  print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
+$as_echo "print -r" >&6; } ;;
+  *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
+$as_echo "cat" >&6; } ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if ${ac_cv_path_SED+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     { ac_script=; unset ac_script;}
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_SED_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
+
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
+$as_echo_n "checking for fgrep... " >&6; }
+if ${ac_cv_path_FGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     if test -z "$FGREP"; then
+  ac_path_FGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in fgrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_FGREP" || continue
+# Check for GNU ac_path_FGREP and select it if it is found.
+  # Check for GNU $ac_path_FGREP
+case `"$ac_path_FGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'FGREP' >> "conftest.nl"
+    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_FGREP="$ac_path_FGREP"
+      ac_path_FGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_FGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_FGREP"; then
+    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_FGREP=$FGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
+$as_echo "$ac_cv_path_FGREP" >&6; }
+ FGREP="$ac_cv_path_FGREP"
+
+
+test -z "$GREP" && GREP=grep
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then :
+  withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+else
+  with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
+$as_echo_n "checking for ld used by $CC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | ?:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+$as_echo_n "checking for GNU ld... " >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+$as_echo_n "checking for non-GNU ld... " >&6; }
+fi
+if ${lt_cv_path_LD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$LD"; then
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test "$with_gnu_ld" != no && break
+	;;
+      *)
+	test "$with_gnu_ld" != yes && break
+	;;
+      esac
+    fi
+  done
+  IFS="$lt_save_ifs"
+else
+  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi
+fi
+
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+$as_echo "$LD" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
+if ${lt_cv_prog_gnu_ld+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
+$as_echo "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
+$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
+if ${lt_cv_path_NM+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM="$NM"
+else
+  lt_nm_to_check="${ac_tool_prefix}nm"
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS="$lt_save_ifs"
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm="$ac_dir/$lt_tmp_nm"
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+	*/dev/null* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS="$lt_save_ifs"
+  done
+  : ${lt_cv_path_NM=no}
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
+$as_echo "$lt_cv_path_NM" >&6; }
+if test "$lt_cv_path_NM" != "no"; then
+  NM="$lt_cv_path_NM"
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in dumpbin "link -dump"
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DUMPBIN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DUMPBIN"; then
+  ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DUMPBIN=$ac_cv_prog_DUMPBIN
+if test -n "$DUMPBIN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
+$as_echo "$DUMPBIN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$DUMPBIN" && break
+  done
+fi
+if test -z "$DUMPBIN"; then
+  ac_ct_DUMPBIN=$DUMPBIN
+  for ac_prog in dumpbin "link -dump"
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DUMPBIN"; then
+  ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
+if test -n "$ac_ct_DUMPBIN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
+$as_echo "$ac_ct_DUMPBIN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_DUMPBIN" && break
+done
+
+  if test "x$ac_ct_DUMPBIN" = x; then
+    DUMPBIN=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DUMPBIN=$ac_ct_DUMPBIN
+  fi
+fi
+
+    case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+
+  if test "$DUMPBIN" != ":"; then
+    NM="$DUMPBIN"
+  fi
+fi
+test -z "$NM" && NM=nm
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
+$as_echo_n "checking the name lister ($NM) interface... " >&6; }
+if ${lt_cv_nm_interface+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: output\"" >&5)
+  cat conftest.out >&5
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
+$as_echo "$lt_cv_nm_interface" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
+fi
+
+# find the maximum length of command line arguments
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
+$as_echo_n "checking the maximum length of command line arguments... " >&6; }
+if ${lt_cv_sys_max_cmd_len+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+    i=0
+  teststring="ABCD"
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[	 ]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+	test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8 ; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/bash}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test $i != 17 # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+
+fi
+
+if test -n $lt_cv_sys_max_cmd_len ; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
+$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
+$as_echo "none" >&6; }
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+
+
+
+
+
+: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5
+$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; }
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+  test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
+      = c,a/b,b/c, \
+    && eval 'test $(( 1 + 1 )) -eq 2 \
+    && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+  && xsi_shell=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5
+$as_echo "$xsi_shell" >&6; }
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5
+$as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
+    >/dev/null 2>&1 \
+  && lt_shell_append=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5
+$as_echo "$lt_shell_append" >&6; }
+
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+
+
+
+
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
+$as_echo_n "checking how to convert $build file names to $host format... " >&6; }
+if ${lt_cv_to_host_file_cmd+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+
+fi
+
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
+$as_echo "$lt_cv_to_host_file_cmd" >&6; }
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
+$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; }
+if ${lt_cv_to_tool_file_cmd+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  #assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+
+fi
+
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
+$as_echo "$lt_cv_to_tool_file_cmd" >&6; }
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
+$as_echo_n "checking for $LD option to reload object files... " >&6; }
+if ${lt_cv_ld_reload_flag+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ld_reload_flag='-r'
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
+$as_echo "$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test "$GCC" != yes; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test "$GCC" = yes; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
+set dummy ${ac_tool_prefix}objdump; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OBJDUMP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OBJDUMP"; then
+  ac_ct_OBJDUMP=$OBJDUMP
+  # Extract the first word of "objdump", so it can be a program name with args.
+set dummy objdump; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OBJDUMP"; then
+  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OBJDUMP="objdump"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
+if test -n "$ac_ct_OBJDUMP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
+$as_echo "$ac_ct_OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OBJDUMP" = x; then
+    OBJDUMP="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OBJDUMP=$ac_ct_OBJDUMP
+  fi
+else
+  OBJDUMP="$ac_cv_prog_OBJDUMP"
+fi
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
+$as_echo_n "checking how to recognize dependent libraries... " >&6; }
+if ${lt_cv_deplibs_check_method+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[45]*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin.
+  if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[3-9]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd* | netbsdelf*-gnu)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
+$as_echo "$lt_cv_deplibs_check_method" >&6; }
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dlltool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DLLTOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DLLTOOL"; then
+  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DLLTOOL=$ac_cv_prog_DLLTOOL
+if test -n "$DLLTOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
+$as_echo "$DLLTOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DLLTOOL"; then
+  ac_ct_DLLTOOL=$DLLTOOL
+  # Extract the first word of "dlltool", so it can be a program name with args.
+set dummy dlltool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DLLTOOL"; then
+  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
+if test -n "$ac_ct_DLLTOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
+$as_echo "$ac_ct_DLLTOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_DLLTOOL" = x; then
+    DLLTOOL="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DLLTOOL=$ac_ct_DLLTOOL
+  fi
+else
+  DLLTOOL="$ac_cv_prog_DLLTOOL"
+fi
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
+$as_echo_n "checking how to associate runtime and link libraries... " >&6; }
+if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh
+  # decide which to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd="$ECHO"
+  ;;
+esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
+$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in ar
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$AR" && break
+  done
+fi
+if test -z "$AR"; then
+  ac_ct_AR=$AR
+  for ac_prog in ar
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_AR"; then
+  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_AR="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_AR" && break
+done
+
+  if test "x$ac_ct_AR" = x; then
+    AR="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    AR=$ac_ct_AR
+  fi
+fi
+
+: ${AR=ar}
+: ${AR_FLAGS=cru}
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
+$as_echo_n "checking for archiver @FILE support... " >&6; }
+if ${lt_cv_ar_at_file+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ar_at_file=no
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5'
+      { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+  (eval $lt_ar_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      if test "$ac_status" -eq 0; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+  (eval $lt_ar_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+	if test "$ac_status" -ne 0; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
+$as_echo "$lt_cv_ar_at_file" >&6; }
+
+if test "x$lt_cv_ar_at_file" = xno; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+test -z "$STRIP" && STRIP=:
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_RANLIB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
+else
+  RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+test -z "$RANLIB" && RANLIB=:
+
+
+
+
+
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
+$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
+if ${lt_cv_sys_global_symbol_pipe+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[BCDT]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[ABCDGISTW]'
+  ;;
+hpux*)
+  if test "$host_cpu" = ia64; then
+    symcode='[ABCDEGRST]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[BCDEGRST]'
+  ;;
+osf*)
+  symcode='[BCDEGQRST]'
+  ;;
+solaris*)
+  symcode='[BDRT]'
+  ;;
+sco3.2v5*)
+  symcode='[DT]'
+  ;;
+sysv4.2uw2*)
+  symcode='[DT]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[ABDT]'
+  ;;
+sysv4)
+  symcode='[DFNSTU]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[ABCDGIRSTW]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/  {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function
+    # and D for any global variable.
+    # Also find C++ and __fastcall symbols from MSVC++,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK '"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+"     {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+"     s[1]~/^[@?]/{print s[1], s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx"
+  else
+    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[	 ]\($symcode$symcode*\)[	 ][	 ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
+  (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data.  */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS="conftstm.$ac_objext"
+	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext}; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&5
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&5
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
+    fi
+  else
+    echo "$progname: failed program was:" >&5
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test "$pipe_works" = yes; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+
+fi
+
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
+$as_echo "failed" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+$as_echo "ok" >&6; }
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
+$as_echo_n "checking for sysroot... " >&6; }
+
+# Check whether --with-sysroot was given.
+if test "${with_sysroot+set}" = set; then :
+  withval=$with_sysroot;
+else
+  with_sysroot=no
+fi
+
+
+lt_sysroot=
+case ${with_sysroot} in #(
+ yes)
+   if test "$GCC" = yes; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5
+$as_echo "${with_sysroot}" >&6; }
+   as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
+   ;;
+esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
+$as_echo "${lt_sysroot:-no}" >&6; }
+
+
+
+
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then :
+  enableval=$enable_libtool_lock;
+fi
+
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `/usr/bin/file conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE="32"
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE="64"
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out which ABI we are using.
+  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    if test "$lt_cv_prog_gnu_ld" = yes; then
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `/usr/bin/file conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -belf"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
+$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
+if ${lt_cv_cc_needs_belf+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  lt_cv_cc_needs_belf=yes
+else
+  lt_cv_cc_needs_belf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+     ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
+$as_echo "$lt_cv_cc_needs_belf" >&6; }
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+*-*solaris*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD="${LD-ld}_sol2"
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks="$enable_libtool_lock"
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
+set dummy ${ac_tool_prefix}mt; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_MANIFEST_TOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$MANIFEST_TOOL"; then
+  ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
+if test -n "$MANIFEST_TOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
+$as_echo "$MANIFEST_TOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_MANIFEST_TOOL"; then
+  ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL
+  # Extract the first word of "mt", so it can be a program name with args.
+set dummy mt; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_MANIFEST_TOOL"; then
+  ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
+if test -n "$ac_ct_MANIFEST_TOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
+$as_echo "$ac_ct_MANIFEST_TOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_MANIFEST_TOOL" = x; then
+    MANIFEST_TOOL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL
+  fi
+else
+  MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL"
+fi
+
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
+$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
+if ${lt_cv_path_mainfest_tool+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&5
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
+$as_echo "$lt_cv_path_mainfest_tool" >&6; }
+if test "x$lt_cv_path_mainfest_tool" != xyes; then
+  MANIFEST_TOOL=:
+fi
+
+
+
+
+
+
+  case $host_os in
+    rhapsody* | darwin*)
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DSYMUTIL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DSYMUTIL"; then
+  ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DSYMUTIL=$ac_cv_prog_DSYMUTIL
+if test -n "$DSYMUTIL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
+$as_echo "$DSYMUTIL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DSYMUTIL"; then
+  ac_ct_DSYMUTIL=$DSYMUTIL
+  # Extract the first word of "dsymutil", so it can be a program name with args.
+set dummy dsymutil; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DSYMUTIL"; then
+  ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
+if test -n "$ac_ct_DSYMUTIL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
+$as_echo "$ac_ct_DSYMUTIL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_DSYMUTIL" = x; then
+    DSYMUTIL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DSYMUTIL=$ac_ct_DSYMUTIL
+  fi
+else
+  DSYMUTIL="$ac_cv_prog_DSYMUTIL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nmedit; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_NMEDIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NMEDIT"; then
+  ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+NMEDIT=$ac_cv_prog_NMEDIT
+if test -n "$NMEDIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
+$as_echo "$NMEDIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NMEDIT"; then
+  ac_ct_NMEDIT=$NMEDIT
+  # Extract the first word of "nmedit", so it can be a program name with args.
+set dummy nmedit; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_NMEDIT"; then
+  ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_NMEDIT="nmedit"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
+if test -n "$ac_ct_NMEDIT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
+$as_echo "$ac_ct_NMEDIT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_NMEDIT" = x; then
+    NMEDIT=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    NMEDIT=$ac_ct_NMEDIT
+  fi
+else
+  NMEDIT="$ac_cv_prog_NMEDIT"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
+set dummy ${ac_tool_prefix}lipo; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LIPO+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$LIPO"; then
+  ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+LIPO=$ac_cv_prog_LIPO
+if test -n "$LIPO"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
+$as_echo "$LIPO" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LIPO"; then
+  ac_ct_LIPO=$LIPO
+  # Extract the first word of "lipo", so it can be a program name with args.
+set dummy lipo; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_LIPO"; then
+  ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_LIPO="lipo"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
+if test -n "$ac_ct_LIPO"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
+$as_echo "$ac_ct_LIPO" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_LIPO" = x; then
+    LIPO=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    LIPO=$ac_ct_LIPO
+  fi
+else
+  LIPO="$ac_cv_prog_LIPO"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OTOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OTOOL"; then
+  ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL=$ac_cv_prog_OTOOL
+if test -n "$OTOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
+$as_echo "$OTOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL"; then
+  ac_ct_OTOOL=$OTOOL
+  # Extract the first word of "otool", so it can be a program name with args.
+set dummy otool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OTOOL"; then
+  ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OTOOL="otool"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
+if test -n "$ac_ct_OTOOL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
+$as_echo "$ac_ct_OTOOL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL" = x; then
+    OTOOL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL=$ac_ct_OTOOL
+  fi
+else
+  OTOOL="$ac_cv_prog_OTOOL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool64; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OTOOL64+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OTOOL64"; then
+  ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL64=$ac_cv_prog_OTOOL64
+if test -n "$OTOOL64"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
+$as_echo "$OTOOL64" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL64"; then
+  ac_ct_OTOOL64=$OTOOL64
+  # Extract the first word of "otool64", so it can be a program name with args.
+set dummy otool64; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OTOOL64"; then
+  ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OTOOL64="otool64"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
+if test -n "$ac_ct_OTOOL64"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
+$as_echo "$ac_ct_OTOOL64" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL64" = x; then
+    OTOOL64=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL64=$ac_ct_OTOOL64
+  fi
+else
+  OTOOL64="$ac_cv_prog_OTOOL64"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
+$as_echo_n "checking for -single_module linker flag... " >&6; }
+if ${lt_cv_apple_cc_single_mod+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_apple_cc_single_mod=no
+      if test -z "${LT_MULTI_MODULE}"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&5
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&5
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&5
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
+$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
+$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
+if ${lt_cv_ld_exported_symbols_list+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  lt_cv_ld_exported_symbols_list=yes
+else
+  lt_cv_ld_exported_symbols_list=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+	LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
+$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
+$as_echo_n "checking for -force_load linker flag... " >&6; }
+if ${lt_cv_ld_force_load+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
+      echo "$AR cru libconftest.a conftest.o" >&5
+      $AR cru libconftest.a conftest.o 2>&5
+      echo "$RANLIB libconftest.a" >&5
+      $RANLIB libconftest.a 2>&5
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&5
+      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&5
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
+$as_echo "$lt_cv_ld_force_load" >&6; }
+    case $host_os in
+    rhapsody* | darwin1.[012])
+      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+    darwin*) # darwin 5.x on
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it?
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+	10.[012]*)
+	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+	10.*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+    fi
+    if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if ${ac_cv_prog_CPP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in dlfcn.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_dlfcn_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DLFCN_H 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+# Set options
+
+
+
+        enable_dlopen=no
+
+
+  enable_win32_dll=no
+
+
+            # Check whether --enable-shared was given.
+if test "${enable_shared+set}" = set; then :
+  enableval=$enable_shared; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_shared=yes
+fi
+
+
+
+
+
+
+
+
+
+  # Check whether --enable-static was given.
+if test "${enable_static+set}" = set; then :
+  enableval=$enable_static; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_static=yes
+fi
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-pic was given.
+if test "${with_pic+set}" = set; then :
+  withval=$with_pic; lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for lt_pkg in $withval; do
+	IFS="$lt_save_ifs"
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  pic_mode=default
+fi
+
+
+test -z "$pic_mode" && pic_mode=default
+
+
+
+
+
+
+
+  # Check whether --enable-fast-install was given.
+if test "${enable_fast_install+set}" = set; then :
+  enableval=$enable_fast_install; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_fast_install=yes
+fi
+
+
+
+
+
+
+
+
+
+
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ltmain"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+test -z "$LN_S" && LN_S="ln -s"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
+$as_echo_n "checking for objdir... " >&6; }
+if ${lt_cv_objdir+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
+$as_echo "$lt_cv_objdir" >&6; }
+objdir=$lt_cv_objdir
+
+
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define LT_OBJDIR "$lt_cv_objdir/"
+_ACEOF
+
+
+
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test "X${COLLECT_NAMES+set}" != Xset; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+for cc_temp in $compiler""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
+$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/${ac_tool_prefix}file; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+
+
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
+$as_echo_n "checking for file... " >&6; }
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/file; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  else
+    MAGIC_CMD=:
+  fi
+fi
+
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+
+lt_save_CC="$CC"
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+objext=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+
+lt_prog_compiler_no_builtin_flag=
+
+if test "$GCC" = yes; then
+  case $cc_basename in
+  nvcc*)
+    lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
+  *)
+    lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
+  esac
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
+if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_rtti_exceptions=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="-fno-rtti -fno-exceptions"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_rtti_exceptions=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+    lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
+else
+    :
+fi
+
+fi
+
+
+
+
+
+
+  lt_prog_compiler_wl=
+lt_prog_compiler_pic=
+lt_prog_compiler_static=
+
+
+  if test "$GCC" = yes; then
+    lt_prog_compiler_wl='-Wl,'
+    lt_prog_compiler_static='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      lt_prog_compiler_static=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      lt_prog_compiler_can_build_shared=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      lt_prog_compiler_pic='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      lt_prog_compiler_wl='-Xlinker '
+      if test -n "$lt_prog_compiler_pic"; then
+        lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      lt_prog_compiler_wl='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      else
+	lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      lt_prog_compiler_static='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC (with -KPIC) is the default.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64 which still supported -KPIC.
+      ecc*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-KPIC'
+	lt_prog_compiler_static='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fPIC'
+	lt_prog_compiler_static='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='--shared'
+	lt_prog_compiler_static='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	lt_prog_compiler_wl='-Wl,-Wl,,'
+	lt_prog_compiler_pic='-PIC'
+	lt_prog_compiler_static='-Bstatic'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fpic'
+	lt_prog_compiler_static='-Bstatic'
+        ;;
+      ccc*)
+        lt_prog_compiler_wl='-Wl,'
+        # All Alpha code is PIC.
+        lt_prog_compiler_static='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-qpic'
+	lt_prog_compiler_static='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Wl,'
+	  ;;
+        *Intel*\ [CF]*Compiler*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fPIC'
+	  lt_prog_compiler_static='-static'
+	  ;;
+	*Portland\ Group*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fpic'
+	  lt_prog_compiler_static='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      lt_prog_compiler_wl='-Wl,'
+      # All OSF/1 code is PIC.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    rdos*)
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    solaris*)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	lt_prog_compiler_wl='-Qoption ld ';;
+      *)
+	lt_prog_compiler_wl='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      lt_prog_compiler_wl='-Qoption ld '
+      lt_prog_compiler_pic='-PIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	lt_prog_compiler_pic='-Kconform_pic'
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    unicos*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_can_build_shared=no
+      ;;
+
+    uts4*)
+      lt_prog_compiler_pic='-pic'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *)
+      lt_prog_compiler_can_build_shared=no
+      ;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic=
+    ;;
+  *)
+    lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
+    ;;
+esac
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
+$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
+if ${lt_cv_prog_compiler_pic+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
+$as_echo "$lt_cv_prog_compiler_pic" >&6; }
+lt_prog_compiler_pic=$lt_cv_prog_compiler_pic
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
+if ${lt_cv_prog_compiler_pic_works+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_pic_works=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
+$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
+    case $lt_prog_compiler_pic in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
+     esac
+else
+    lt_prog_compiler_pic=
+     lt_prog_compiler_can_build_shared=no
+fi
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if ${lt_cv_prog_compiler_static_works+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_static_works=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
+$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works" = xyes; then
+    :
+else
+    lt_prog_compiler_static=
+fi
+
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if ${lt_cv_prog_compiler_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if ${lt_cv_prog_compiler_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
+$as_echo_n "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+$as_echo "$hard_links" >&6; }
+  if test "$hard_links" = no; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  runpath_var=
+  allow_undefined_flag=
+  always_export_symbols=no
+  archive_cmds=
+  archive_expsym_cmds=
+  compiler_needs_object=no
+  enable_shared_with_static_runtimes=no
+  export_dynamic_flag_spec=
+  export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  hardcode_automatic=no
+  hardcode_direct=no
+  hardcode_direct_absolute=no
+  hardcode_libdir_flag_spec=
+  hardcode_libdir_separator=
+  hardcode_minus_L=no
+  hardcode_shlibpath_var=unsupported
+  inherit_rpath=no
+  link_all_deplibs=unknown
+  module_cmds=
+  module_expsym_cmds=
+  old_archive_from_new_cmds=
+  old_archive_from_expsyms_cmds=
+  thread_safe_flag_spec=
+  whole_archive_flag_spec=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  include_expsyms=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  linux* | k*bsd*-gnu | gnu*)
+    link_all_deplibs=no
+    ;;
+  esac
+
+  ld_shlibs=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test "$with_gnu_ld" = yes; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;;
+	  *\ \(GNU\ Binutils\)\ [3-9]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test "$lt_use_gnu_ld_interface" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+    export_dynamic_flag_spec='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      whole_archive_flag_spec=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	allow_undefined_flag=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
+      # as there is no search path for DLLs.
+      hardcode_libdir_flag_spec='-L$libdir'
+      export_dynamic_flag_spec='${wl}--export-all-symbols'
+      allow_undefined_flag=unsupported
+      always_export_symbols=no
+      enable_shared_with_static_runtimes=yes
+      export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
+      exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    haiku*)
+      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      link_all_deplibs=yes
+      ;;
+
+    interix[3-9]*)
+      hardcode_direct=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+      export_dynamic_flag_spec='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  whole_archive_flag_spec=
+	  tmp_sharedflag='--shared' ;;
+	xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  compiler_needs_object=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  compiler_needs_object=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
+	  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        ld_shlibs=no
+      fi
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    ld_shlibs=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+    esac
+
+    if test "$ld_shlibs" = no; then
+      runpath_var=
+      hardcode_libdir_flag_spec=
+      export_dynamic_flag_spec=
+      whole_archive_flag_spec=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      allow_undefined_flag=unsupported
+      always_export_symbols=yes
+      archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	hardcode_direct=unsupported
+      fi
+      ;;
+
+    aix[4-9]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	# Also, AIX nm treats weak defined symbols like other global
+	# defined symbols, whereas GNU nm marks them as "W".
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      archive_cmds=''
+      hardcode_direct=yes
+      hardcode_direct_absolute=yes
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      file_list_spec='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[012]|aix4.[012].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  hardcode_direct=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  hardcode_minus_L=yes
+	  hardcode_libdir_flag_spec='-L$libdir'
+	  hardcode_libdir_separator=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+	link_all_deplibs=no
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      export_dynamic_flag_spec='${wl}-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      always_export_symbols=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	allow_undefined_flag='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        if test "${lt_cv_aix_libpath+set}" = set; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if ${lt_cv_aix_libpath_+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_="/usr/lib:/lib"
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath_
+fi
+
+        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+	  allow_undefined_flag="-z nodefs"
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 if test "${lt_cv_aix_libpath+set}" = set; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if ${lt_cv_aix_libpath_+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_="/usr/lib:/lib"
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath_
+fi
+
+	 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  no_undefined_flag=' ${wl}-bernotok'
+	  allow_undefined_flag=' ${wl}-berok'
+	  if test "$with_gnu_ld" = yes; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    whole_archive_flag_spec='$convenience'
+	  fi
+	  archive_cmds_need_lc=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[45]*)
+      export_dynamic_flag_spec=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl*)
+	# Native MSVC
+	hardcode_libdir_flag_spec=' '
+	allow_undefined_flag=unsupported
+	always_export_symbols=yes
+	file_list_spec='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=".dll"
+	# FIXME: Setting linknames here is a bad hack.
+	archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+	archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	    sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+	  else
+	    sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+	  fi~
+	  $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+	  linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
+	enable_shared_with_static_runtimes=yes
+	exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	old_postinstall_cmds='chmod 644 $oldlib'
+	postlink_cmds='lt_outputfile="@OUTPUT@"~
+	  lt_tool_outputfile="@TOOL_OUTPUT@"~
+	  case $lt_outputfile in
+	    *.exe|*.EXE) ;;
+	    *)
+	      lt_outputfile="$lt_outputfile.exe"
+	      lt_tool_outputfile="$lt_tool_outputfile.exe"
+	      ;;
+	  esac~
+	  if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+	    $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+	    $RM "$lt_outputfile.manifest";
+	  fi'
+	;;
+      *)
+	# Assume MSVC wrapper
+	hardcode_libdir_flag_spec=' '
+	allow_undefined_flag=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=".dll"
+	# FIXME: Setting linknames here is a bad hack.
+	archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	old_archive_from_new_cmds='true'
+	# FIXME: Should let the user specify the lib program.
+	old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	enable_shared_with_static_runtimes=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc=no
+  hardcode_direct=no
+  hardcode_automatic=yes
+  hardcode_shlibpath_var=unsupported
+  if test "$lt_cv_ld_force_load" = "yes"; then
+    whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
+  else
+    whole_archive_flag_spec=''
+  fi
+  link_all_deplibs=yes
+  allow_undefined_flag="$_lt_dar_allow_undefined"
+  case $cc_basename in
+     ifort*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test "$_lt_dar_can_shared" = "yes"; then
+    output_verbose_link_cmd=func_echo_all
+    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+
+  else
+  ld_shlibs=no
+  fi
+
+      ;;
+
+    dgux*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_direct=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L=yes
+      export_dynamic_flag_spec='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+	archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+	hardcode_libdir_separator=:
+	hardcode_direct=yes
+	hardcode_direct_absolute=yes
+	export_dynamic_flag_spec='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	hardcode_minus_L=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
+$as_echo_n "checking if $CC understands -b... " >&6; }
+if ${lt_cv_prog_compiler__b+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler__b=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS -b"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler__b=yes
+       fi
+     else
+       lt_cv_prog_compiler__b=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
+$as_echo "$lt_cv_prog_compiler__b" >&6; }
+
+if test x"$lt_cv_prog_compiler__b" = xyes; then
+    archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+else
+    archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+fi
+
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+	hardcode_libdir_separator=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  hardcode_direct=no
+	  hardcode_shlibpath_var=no
+	  ;;
+	*)
+	  hardcode_direct=yes
+	  hardcode_direct_absolute=yes
+	  export_dynamic_flag_spec='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  hardcode_minus_L=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
+$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
+if ${lt_cv_irix_exported_symbol+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  save_LDFLAGS="$LDFLAGS"
+	   LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo (void) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  lt_cv_irix_exported_symbol=yes
+else
+  lt_cv_irix_exported_symbol=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+           LDFLAGS="$save_LDFLAGS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
+$as_echo "$lt_cv_irix_exported_symbol" >&6; }
+	if test "$lt_cv_irix_exported_symbol" = yes; then
+          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+	fi
+      else
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      inherit_rpath=yes
+      link_all_deplibs=yes
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    newsos6)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_shlibpath_var=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	hardcode_direct=yes
+	hardcode_shlibpath_var=no
+	hardcode_direct_absolute=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+	  export_dynamic_flag_spec='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+	     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     hardcode_libdir_flag_spec='-R$libdir'
+	     ;;
+	   *)
+	     archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	hardcode_libdir_flag_spec='-rpath $libdir'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_separator=:
+      ;;
+
+    solaris*)
+      no_undefined_flag=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_shlibpath_var=no
+      case $host_os in
+      solaris2.[0-5] | solaris2.[0-5].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      link_all_deplibs=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  reload_cmds='$CC -r -o $output$reload_objs'
+	  hardcode_direct=no
+        ;;
+	motorola)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4.3*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_shlibpath_var=no
+      export_dynamic_flag_spec='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	hardcode_shlibpath_var=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	ld_shlibs=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag='${wl}-z,text'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      no_undefined_flag='${wl}-z,text'
+      allow_undefined_flag='${wl}-z,nodefs'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='${wl}-R,$libdir'
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      export_dynamic_flag_spec='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      ld_shlibs=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	export_dynamic_flag_spec='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
+$as_echo "$ld_shlibs" >&6; }
+test "$ld_shlibs" = no && can_build_shared=no
+
+with_gnu_ld=$with_gnu_ld
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $archive_cmds in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
+$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
+if ${lt_cv_archive_cmds_need_lc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  $RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$lt_prog_compiler_wl
+	  pic_flag=$lt_prog_compiler_pic
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$allow_undefined_flag
+	  allow_undefined_flag=
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
+  (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+	  then
+	    lt_cv_archive_cmds_need_lc=no
+	  else
+	    lt_cv_archive_cmds_need_lc=yes
+	  fi
+	  allow_undefined_flag=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
+$as_echo "$lt_cv_archive_cmds_need_lc" >&6; }
+      archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
+      ;;
+    esac
+  fi
+  ;;
+esac
+
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+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+$as_echo_n "checking dynamic linker characteristics... " >&6; }
+
+if test "$GCC" = yes; then
+  case $host_os in
+    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+    *) lt_awk_arg="/^libraries:/" ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;;
+    *) lt_sed_strip_eq="s,=/,/,g" ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary.
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+    else
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+  lt_foo="";
+  lt_count=0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo="/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[lt_foo]++; }
+  if (lt_freq[lt_foo] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's,/\([A-Za-z]:\),\1,g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl*)
+    # Native MSVC
+    libname_spec='$name'
+    soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+    library_names_spec='${libname}.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec="$LIB"
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC wrapper
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[23].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[3-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
+	 LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
+  lt_cv_shlibpath_overrides_runpath=yes
+fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+
+fi
+
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[89] | openbsd2.[89].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
+$as_echo "$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
+$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action=
+if test -n "$hardcode_libdir_flag_spec" ||
+   test -n "$runpath_var" ||
+   test "X$hardcode_automatic" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$hardcode_direct" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no &&
+     test "$hardcode_minus_L" != no; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action=unsupported
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
+$as_echo "$hardcode_action" >&6; }
+
+if test "$hardcode_action" = relink ||
+   test "$inherit_rpath" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+  if test "x$enable_dlopen" != xyes; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+  # if libdl is installed we need to link against it
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_dl_dlopen=yes
+else
+  ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+
+    lt_cv_dlopen="dyld"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+
+fi
+
+    ;;
+
+  *)
+    ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
+if test "x$ac_cv_func_shl_load" = xyes; then :
+  lt_cv_dlopen="shl_load"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+$as_echo_n "checking for shl_load in -ldld... " >&6; }
+if ${ac_cv_lib_dld_shl_load+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+int
+main ()
+{
+return shl_load ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_dld_shl_load=yes
+else
+  ac_cv_lib_dld_shl_load=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
+$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
+if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+  lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
+else
+  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+if test "x$ac_cv_func_dlopen" = xyes; then :
+  lt_cv_dlopen="dlopen"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_dl_dlopen=yes
+else
+  ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
+$as_echo_n "checking for dlopen in -lsvld... " >&6; }
+if ${ac_cv_lib_svld_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsvld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_svld_dlopen=yes
+else
+  ac_cv_lib_svld_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
+$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
+if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
+$as_echo_n "checking for dld_link in -ldld... " >&6; }
+if ${ac_cv_lib_dld_dld_link+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dld_link ();
+int
+main ()
+{
+return dld_link ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_dld_dld_link=yes
+else
+  ac_cv_lib_dld_dld_link=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
+$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
+if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
+  lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+    ;;
+  esac
+
+  if test "x$lt_cv_dlopen" != xno; then
+    enable_dlopen=yes
+  else
+    enable_dlopen=no
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS="$CPPFLAGS"
+    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS="$LDFLAGS"
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS="$LIBS"
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
+$as_echo_n "checking whether a program can dlopen itself... " >&6; }
+if ${lt_cv_dlopen_self+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  	  if test "$cross_compiling" = yes; then :
+  lt_cv_dlopen_self=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}
+_LT_EOF
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
+$as_echo "$lt_cv_dlopen_self" >&6; }
+
+    if test "x$lt_cv_dlopen_self" = xyes; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
+$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
+if ${lt_cv_dlopen_self_static+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  	  if test "$cross_compiling" = yes; then :
+  lt_cv_dlopen_self_static=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}
+_LT_EOF
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self_static=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
+$as_echo "$lt_cv_dlopen_self_static" >&6; }
+    fi
+
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+    LIBS="$save_LIBS"
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+striplib=
+old_striplib=
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
+$as_echo_n "checking whether stripping libraries is possible... " >&6; }
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+  darwin*)
+    if test -n "$STRIP" ; then
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    fi
+    ;;
+  *)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    ;;
+  esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+  # Report which library types will actually be built
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
+$as_echo_n "checking if libtool supports shared libraries... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
+$as_echo "$can_build_shared" >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
+$as_echo_n "checking whether to build shared libraries... " >&6; }
+  test "$can_build_shared" = "no" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test "$enable_shared" = yes && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[4-9]*)
+    if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+      test "$enable_shared" = yes && enable_static=no
+    fi
+    ;;
+  esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
+$as_echo "$enable_shared" >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
+$as_echo_n "checking whether to build static libraries... " >&6; }
+  # Make sure either enable_shared or enable_static is yes.
+  test "$enable_shared" = yes || enable_static=yes
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
+$as_echo "$enable_static" >&6; }
+
+
+
+
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+        ac_config_commands="$ac_config_commands libtool"
+
+
+
+
+# Only expand once:
+
+
+
+
+
+ac_config_headers="$ac_config_headers m4ri/config.h"
+
+
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5
+$as_echo_n "checking for $CC option to accept ISO C99... " >&6; }
+if ${ac_cv_prog_cc_c99+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <stdio.h>
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+#define debug(...) fprintf (stderr, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  your preprocessor is broken;
+#endif
+#if BIG_OK
+#else
+  your preprocessor is broken;
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\0'; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static void
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str;
+  int number;
+  float fnumber;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case 's': // string
+	  str = va_arg (args_copy, const char *);
+	  break;
+	case 'd': // int
+	  number = va_arg (args_copy, int);
+	  break;
+	case 'f': // float
+	  fnumber = va_arg (args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end (args_copy);
+  va_end (args);
+}
+
+int
+main ()
+{
+
+  // Check bool.
+  _Bool success = false;
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  test_varargs ("s, d' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x'
+	  || dynamic_array[ni.number - 1] != 543);
+
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -AC99 -D_STDC_C99= -qlanglvl=extc99
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c99" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c99"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+$as_echo "$ac_cv_prog_cc_c99" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c99" != xno; then :
+
+fi
+
+
+if test "$ac_cv_prog_cc_c99" = "no"; then
+  as_fn_error $? "C99 support is required but not found." "$LINENO" 5
+fi
+
+# SSE2 support
+# Check whether --enable-sse2 was given.
+if test "${enable_sse2+set}" = set; then :
+  enableval=$enable_sse2;
+else
+  if test "$m4ri_wrapword" = "yes"; then enable_sse2="no"; else enable_sse2="yes"; fi
+fi
+
+
+if test "x$enable_sse2" != "xno"; then :
+
+   if test "$m4ri_wrapword" = "yes"; then
+      as_fn_error $? "SSE2 cannot be supported when wrapping word in a C++ class." "$LINENO" 5
+   fi
+   case $host_cpu in i[3456]86*|x86_64*)
+
+  #AC_REQUIRE([AX_GCC_X86_CPUID])
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x00000001 output" >&5
+$as_echo_n "checking for x86 cpuid 0x00000001 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x00000001+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x00000001=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x00000001+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x00000001=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x00000001=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x00000001" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x00000001" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  ecx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 3`
+  edx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 4`
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mmx is supported" >&5
+$as_echo_n "checking whether mmx is supported... " >&6; }
+if ${ax_cv_have_mmx_ext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ax_cv_have_mmx_ext=no
+    if test "$((0x$edx>>23&0x01))" = 1; then
+      ax_cv_have_mmx_ext=yes
+    fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_mmx_ext" >&5
+$as_echo "$ax_cv_have_mmx_ext" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sse is supported" >&5
+$as_echo_n "checking whether sse is supported... " >&6; }
+if ${ax_cv_have_sse_ext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ax_cv_have_sse_ext=no
+    if test "$((0x$edx>>25&0x01))" = 1; then
+      ax_cv_have_sse_ext=yes
+    fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_sse_ext" >&5
+$as_echo "$ax_cv_have_sse_ext" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sse2 is supported" >&5
+$as_echo_n "checking whether sse2 is supported... " >&6; }
+if ${ax_cv_have_sse2_ext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ax_cv_have_sse2_ext=no
+    if test "$((0x$edx>>26&0x01))" = 1; then
+      ax_cv_have_sse2_ext=yes
+    fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_sse2_ext" >&5
+$as_echo "$ax_cv_have_sse2_ext" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sse3 is supported" >&5
+$as_echo_n "checking whether sse3 is supported... " >&6; }
+if ${ax_cv_have_sse3_ext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ax_cv_have_sse3_ext=no
+    if test "$((0x$ecx&0x01))" = 1; then
+      ax_cv_have_sse3_ext=yes
+    fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_sse3_ext" >&5
+$as_echo "$ax_cv_have_sse3_ext" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ssse3 is supported" >&5
+$as_echo_n "checking whether ssse3 is supported... " >&6; }
+if ${ax_cv_have_ssse3_ext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ax_cv_have_ssse3_ext=no
+    if test "$((0x$ecx>>9&0x01))" = 1; then
+      ax_cv_have_ssse3_ext=yes
+    fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_ssse3_ext" >&5
+$as_echo "$ax_cv_have_ssse3_ext" >&6; }
+
+  if test "$ax_cv_have_mmx_ext" = yes; then
+
+$as_echo "#define HAVE_MMX /**/" >>confdefs.h
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -mmmx" >&5
+$as_echo_n "checking whether C compiler accepts -mmmx... " >&6; }
+if ${ax_cv_c_flags__mmmx+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      ax_save_FLAGS=$CFLAGS
+      CFLAGS="-mmmx"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_c_flags__mmmx=yes
+else
+  ax_cv_c_flags__mmmx=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS=$ax_save_FLAGS
+fi
+
+eval ax_check_compiler_flags=$ax_cv_c_flags__mmmx
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
+$as_echo "$ax_check_compiler_flags" >&6; }
+if test "x$ax_check_compiler_flags" = xyes; then
+        SIMD_CFLAGS="$SIMD_CFLAGS -mmmx"
+else
+        :
+fi
+
+  fi
+
+  if test "$ax_cv_have_sse_ext" = yes; then
+
+$as_echo "#define HAVE_SSE /**/" >>confdefs.h
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -msse" >&5
+$as_echo_n "checking whether C compiler accepts -msse... " >&6; }
+if ${ax_cv_c_flags__msse+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      ax_save_FLAGS=$CFLAGS
+      CFLAGS="-msse"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_c_flags__msse=yes
+else
+  ax_cv_c_flags__msse=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS=$ax_save_FLAGS
+fi
+
+eval ax_check_compiler_flags=$ax_cv_c_flags__msse
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
+$as_echo "$ax_check_compiler_flags" >&6; }
+if test "x$ax_check_compiler_flags" = xyes; then
+        SIMD_CFLAGS="$SIMD_CFLAGS -msse"
+else
+        :
+fi
+
+  fi
+
+  if test "$ax_cv_have_sse2_ext" = yes; then
+
+$as_echo "#define HAVE_SSE2 /**/" >>confdefs.h
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -msse2" >&5
+$as_echo_n "checking whether C compiler accepts -msse2... " >&6; }
+if ${ax_cv_c_flags__msse2+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      ax_save_FLAGS=$CFLAGS
+      CFLAGS="-msse2"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_c_flags__msse2=yes
+else
+  ax_cv_c_flags__msse2=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS=$ax_save_FLAGS
+fi
+
+eval ax_check_compiler_flags=$ax_cv_c_flags__msse2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
+$as_echo "$ax_check_compiler_flags" >&6; }
+if test "x$ax_check_compiler_flags" = xyes; then
+        SIMD_CFLAGS="$SIMD_CFLAGS -msse2"
+else
+        :
+fi
+
+  fi
+
+  if test "$ax_cv_have_sse3_ext" = yes; then
+
+$as_echo "#define HAVE_SSE3 /**/" >>confdefs.h
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -msse3" >&5
+$as_echo_n "checking whether C compiler accepts -msse3... " >&6; }
+if ${ax_cv_c_flags__msse3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      ax_save_FLAGS=$CFLAGS
+      CFLAGS="-msse3"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_c_flags__msse3=yes
+else
+  ax_cv_c_flags__msse3=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS=$ax_save_FLAGS
+fi
+
+eval ax_check_compiler_flags=$ax_cv_c_flags__msse3
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
+$as_echo "$ax_check_compiler_flags" >&6; }
+if test "x$ax_check_compiler_flags" = xyes; then
+        SIMD_CFLAGS="$SIMD_CFLAGS -msse3"
+else
+        :
+fi
+
+  fi
+
+  if test "$ax_cv_have_ssse3_ext" = yes; then
+
+$as_echo "#define HAVE_SSSE3 /**/" >>confdefs.h
+
+  fi
+
+
+
+   esac
+
+fi
+if test x"$ax_cv_have_sse2_ext" = x"yes"; then
+  M4RI_HAVE_SSE2=1
+else
+  M4RI_HAVE_SSE2=0
+fi
+
+
+
+
+# Check whether --with-papi was given.
+if test "${with_papi+set}" = set; then :
+  withval=$with_papi; m4ri_config_papi=$withval
+fi
+
+
+
+# Check whether --with-cachesize was given.
+if test "${with_cachesize+set}" = set; then :
+  withval=$with_cachesize; m4ri_config_cachesize=$withval
+fi
+
+
+ac_fn_c_check_header_mongrel "$LINENO" "mm_malloc.h" "ac_cv_header_mm_malloc_h" "$ac_includes_default"
+if test "x$ac_cv_header_mm_malloc_h" = xyes; then :
+
+$as_echo "#define HAVE_MM_MALLOC /**/" >>confdefs.h
+
+fi
+
+
+if test "$ac_cv_header_mm_malloc_h" = "yes"; then
+  M4RI_HAVE_MM_MALLOC=1
+else
+  M4RI_HAVE_MM_MALLOC=0
+fi
+
+
+# Correctly working posix_memalign
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working posix_memalign" >&5
+$as_echo_n "checking for working posix_memalign... " >&6; }
+if ${ax_cv_func_posix_memalign_works+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_func_posix_memalign_works=no
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stdlib.h>
+
+int
+main ()
+{
+  void *buffer;
+
+  /* Some versions of glibc incorrectly perform the alignment check on
+   * the size word. */
+  exit (posix_memalign (&buffer, sizeof(void *), 123) != 0);
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_func_posix_memalign_works=yes
+else
+  ax_cv_func_posix_memalign_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_func_posix_memalign_works" >&5
+$as_echo "$ax_cv_func_posix_memalign_works" >&6; }
+if test "$ax_cv_func_posix_memalign_works" = "yes" ; then
+
+$as_echo "#define HAVE_POSIX_MEMALIGN 1" >>confdefs.h
+
+fi
+
+if test "$ax_cv_func_posix_memalign_works" = "yes"; then
+  M4RI_HAVE_POSIX_MEMALIGN=1
+else
+  M4RI_HAVE_POSIX_MEMALIGN=0
+fi
+
+
+# OpenMP support
+# Check whether --enable-openmp was given.
+if test "${enable_openmp+set}" = set; then :
+  enableval=$enable_openmp;
+fi
+
+
+if test "x$enable_openmp" = "xyes"; then :
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenMP flag of C compiler" >&5
+$as_echo_n "checking for OpenMP flag of C compiler... " >&6; }
+if ${ax_cv_c_openmp+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  saveCFLAGS=$CFLAGS
+ax_cv_c_openmp=unknown
+# Flags to try:  -fopenmp (gcc), -openmp (icc), -mp (SGI & PGI),
+#                -xopenmp (Sun), -omp (Tru64), -qsmp=omp (AIX), none
+ax_openmp_flags="-fopenmp -openmp -mp -xopenmp -omp -qsmp=omp none"
+if test "x$OPENMP_CFLAGS" != x; then
+  ax_openmp_flags="$OPENMP_CFLAGS $ax_openmp_flags"
+fi
+for ax_openmp_flag in $ax_openmp_flags; do
+  case $ax_openmp_flag in
+    none) CFLAGS=$saveC ;;
+    *) CFLAGS="$saveCFLAGS $ax_openmp_flag" ;;
+  esac
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char omp_set_num_threads ();
+int
+main ()
+{
+return omp_set_num_threads ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ax_cv_c_openmp=$ax_openmp_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+done
+CFLAGS=$saveCFLAGS
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_c_openmp" >&5
+$as_echo "$ax_cv_c_openmp" >&6; }
+if test "x$ax_cv_c_openmp" = "xunknown"; then
+  :
+else
+  if test "x$ax_cv_c_openmp" != "xnone"; then
+    OPENMP_CFLAGS=$ax_cv_c_openmp
+  fi
+
+$as_echo "#define HAVE_OPENMP 1" >>confdefs.h
+
+fi
+
+
+fi
+
+if test -n "$OPENMP_CFLAGS"; then
+  M4RI_HAVE_OPENMP=1
+else
+  M4RI_HAVE_OPENMP=0
+fi
+
+
+# Debugging support
+# Check whether --enable-debug was given.
+if test "${enable_debug+set}" = set; then :
+  enableval=$enable_debug;
+fi
+
+
+# Check whether --enable-debug-dump was given.
+if test "${enable_debug_dump+set}" = set; then :
+  enableval=$enable_debug_dump;
+fi
+
+
+if test "x$enable_debug_dump" = "xyes"; then
+  M4RI_DEBUG_DUMP=1
+else
+  M4RI_DEBUG_DUMP=0
+fi
+
+
+# Check whether --enable-debug-mzd was given.
+if test "${enable_debug_mzd+set}" = set; then :
+  enableval=$enable_debug_mzd;
+fi
+
+
+if test "x$enable_debug_mzd" = "xyes"; then
+  M4RI_DEBUG_MZD=1
+else
+  M4RI_DEBUG_MZD=0
+fi
+
+
+if test "x$enable_debug" = x"yes"; then
+  DEBUG_FLAGS="-g"
+
+else
+  if test "x$enable_debug_mzd" != "xyes"; then
+
+$as_echo "#define NDEBUG 1" >>confdefs.h
+
+  fi
+fi
+
+# For the testsuite. Detect if PAPI is installed. See http://icl.cs.utk.edu/papi/ .
+
+if test -z "$m4ri_config_papi"; then
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PAPI_start_counters in -lpapi" >&5
+$as_echo_n "checking for PAPI_start_counters in -lpapi... " >&6; }
+if ${ac_cv_lib_papi_PAPI_start_counters+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpapi  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char PAPI_start_counters ();
+int
+main ()
+{
+return PAPI_start_counters ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_papi_PAPI_start_counters=yes
+else
+  ac_cv_lib_papi_PAPI_start_counters=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_papi_PAPI_start_counters" >&5
+$as_echo "$ac_cv_lib_papi_PAPI_start_counters" >&6; }
+if test "x$ac_cv_lib_papi_PAPI_start_counters" = xyes; then :
+
+
+    function cw_search_library_path
+    {
+      n=2
+      while test $n -le $#; do
+	eval arg=\$"$n"
+	case "$arg" in
+	  -L*)
+	    path="`echo "$arg" | sed -e 's/-L//'`"
+	    if test -e "$path/libpapi.so"; then
+	      echo "$path"
+	      return
+	    fi
+	    ;;
+	esac
+	n=$((n+1))
+      done
+      if test -e "/usr/local/lib/libpapi.so"; then
+        echo "/usr/local/lib"
+      fi
+    }
+
+    have_realpath=`which realpath`
+
+    cw_libname_uppercase="PAPI"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can find libpapi.so" >&5
+$as_echo_n "checking if we can find libpapi.so... " >&6; }
+if { as_var=cw_cv_lib"$cw_libname_uppercase"_path; eval \${$as_var+:} false; }; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cw_library_path=`eval cw_search_library_path papi $LDFLAGS`
+      if test -n "$cw_library_path"; then
+        if test "x$have_realpath" != "x"; then
+           eval cw_cv_lib"$cw_libname_uppercase"_path=`realpath -s "$cw_library_path"`
+         else
+           eval cw_cv_lib"$cw_libname_uppercase"_path="$cw_library_path"
+        fi
+      else
+        eval cw_cv_lib"$cw_libname_uppercase"_path="no"
+      fi
+
+fi
+eval ac_res=\$cw_cv_lib"$cw_libname_uppercase"_path
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+    if eval test \"\$cw_cv_lib"$cw_libname_uppercase"_path\" = "no"; then
+      eval LIB"$cw_libname_uppercase"_PATH=""
+    else
+      eval LIB"$cw_libname_uppercase"_PATH=\"\$cw_cv_lib"$cw_libname_uppercase"_path\"
+    fi
+
+
+    function cw_search_header_path
+    {
+      n=2
+      while test $n -le $#; do
+	eval arg=\$"$n"
+	case "$arg" in
+	  -I*)
+	    path="`echo "$arg" | sed -e 's/-I//'`"
+	    if test -e "$path/papi.h"; then
+	      echo "$path"
+	      return
+	    fi
+	    ;;
+	esac
+	n=$((n+1))
+      done
+      if test -e "/usr/local/include/papi.h"; then
+        echo "/usr/local/include"
+      fi
+    }
+
+    have_realpath=`which realpath`
+
+    cw_headername_uppercase=`echo "PAPI.H" | sed -e 's/[^A-Z]/_/g'`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can find papi.h" >&5
+$as_echo_n "checking if we can find papi.h... " >&6; }
+if { as_var=cw_cv_"$cw_headername_uppercase"_path; eval \${$as_var+:} false; }; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cw_header_path=`eval cw_search_header_path papi.h $CPPFLAGS $CFLAGS`
+      if test -n "$cw_header_path"; then
+        if test "x$have_realpath" != "x"; then
+            eval cw_cv_"$cw_headername_uppercase"_path=`realpath -s "$cw_header_path"`
+        else
+            eval cw_cv_"$cw_headername_uppercase"_path="$cw_header_path"
+        fi
+      else
+        eval cw_cv_"$cw_headername_uppercase"_path="no"
+      fi
+
+fi
+eval ac_res=\$cw_cv_"$cw_headername_uppercase"_path
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+    if eval test \"\$cw_cv_"$cw_headername_uppercase"_path\" = "no"; then
+      eval "$cw_headername_uppercase"_PATH=""
+    else
+      eval "$cw_headername_uppercase"_PATH=\"\$cw_cv_"$cw_headername_uppercase"_path\"
+    fi
+
+    if test -n "$LIBPAPI_PATH"; then
+       PAPI_LDFLAGS="-Wl,-rpath,$LIBPAPI_PATH"
+       PAPI_LIBS="-L$LIBPAPI_PATH -lpapi"
+    else
+        PAPI_LIBS="-lpapi"
+        if ! test -e "/usr/lib/libpapi.so"; then
+           { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Could not find libpapi.so. Use --with-papi=<install_prefix> or set LD_LIBRARY_PATH correctly before running benchmark applications." >&5
+$as_echo "$as_me: WARNING: Could not find libpapi.so. Use --with-papi=<install_prefix> or set LD_LIBRARY_PATH correctly before running benchmark applications." >&2;}
+        fi
+    fi
+    if test -n "$PAPI_H_PATH"; then
+       PAPI_CFLAGS="-I$PAPI_H_PATH"
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPAPI 1
+_ACEOF
+
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Could not find papi.h; Use --with-papi=<install_prefix> or add -I<install_prefix>/include to either CPPFLAGS
+                    or CFLAGS, or turn off papi all together by configuring with --without-papi." >&5
+$as_echo "$as_me: WARNING: Could not find papi.h; Use --with-papi=<install_prefix> or add -I<install_prefix>/include to either CPPFLAGS
+                    or CFLAGS, or turn off papi all together by configuring with --without-papi." >&2;}
+    fi
+
+fi
+
+fi
+
+if test x"$m4ri_config_papi" != x"no" && test -n "$m4ri_config_papi"; then
+    LIBPAPI_PATH="`realpath -s $m4ri_config_papi/lib`"
+    PAPI_H_PATH="`realpath -s $m4ri_config_papi/include`"
+    PAPI_CFLAGS="-I$PAPI_H_PATH"
+    PAPI_LDFLAGS="-Wl,-rpath,$LIBPAPI_PATH"
+    PAPI_LIBS="-L$LIBPAPI_PATH -lpapi"
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPAPI 1
+_ACEOF
+
+fi
+
+
+
+
+
+# Check whether --enable-cachetune was given.
+if test "${enable_cachetune+set}" = set; then :
+  enableval=$enable_cachetune;
+fi
+
+
+# Cache Sizes
+if test -z $m4ri_config_cachesize; then
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x0 output" >&5
+$as_echo_n "checking for x86 cpuid 0x0 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x0+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x0=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x0+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x0=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x0=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x0" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x0" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the processor vendor" >&5
+$as_echo_n "checking for the processor vendor... " >&6; }
+if ${ax_cv_cpu_vendor+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   vendor=`echo $ax_cv_gcc_x86_cpuid_0x0 | cut -d ":" -f 2`
+
+   case $vendor in
+     756e6547*)
+       ax_cv_cpu_vendor="Intel"
+       ;;
+     68747541*)
+       ax_cv_cpu_vendor="AMD"
+       ;;
+     69727943*)
+       ax_cv_cpu_vendor="Cyrix"
+       ;;
+     746e6543*)
+       ax_cv_cpu_vendor="IDT"
+       ;;
+     646f6547*)
+       ax_cv_cpu_vendor="Natsemi Geode"
+       ;;
+     52697365*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     65736952*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     20536953*)
+       ax_cv_cpu_vendor="SiS"
+       ;;
+     *)
+       ax_cv_cpu_vendor="Unknown"
+       ;;
+   esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cpu_vendor" >&5
+$as_echo "$ax_cv_cpu_vendor" >&6; }
+
+
+
+
+
+
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x0 output" >&5
+$as_echo_n "checking for x86 cpuid 0x0 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x0+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x0=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x0+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x0=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x0=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x0" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x0" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the processor vendor" >&5
+$as_echo_n "checking for the processor vendor... " >&6; }
+if ${ax_cv_cpu_vendor+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   vendor=`echo $ax_cv_gcc_x86_cpuid_0x0 | cut -d ":" -f 2`
+
+   case $vendor in
+     756e6547*)
+       ax_cv_cpu_vendor="Intel"
+       ;;
+     68747541*)
+       ax_cv_cpu_vendor="AMD"
+       ;;
+     69727943*)
+       ax_cv_cpu_vendor="Cyrix"
+       ;;
+     746e6543*)
+       ax_cv_cpu_vendor="IDT"
+       ;;
+     646f6547*)
+       ax_cv_cpu_vendor="Natsemi Geode"
+       ;;
+     52697365*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     65736952*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     20536953*)
+       ax_cv_cpu_vendor="SiS"
+       ;;
+     *)
+       ax_cv_cpu_vendor="Unknown"
+       ;;
+   esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cpu_vendor" >&5
+$as_echo "$ax_cv_cpu_vendor" >&6; }
+
+
+    ax_l1_size=
+    ax_l2_size=
+
+    #Check if the variable is present
+    if test -e /sys/devices/system/cpu/cpu0/cache/index0/size; then
+        for idx in `seq 0 3`; do
+            if test -e /sys/devices/system/cpu/cpu0/cache/index$idx/size ; then
+                level=`cat /sys/devices/system/cpu/cpu0/cache/index$idx/level`
+                size=`cat /sys/devices/system/cpu/cpu0/cache/index$idx/size`
+                eval CPU0\_L$level\_CACHE="$size"
+            fi
+        done
+
+        ax_l1_size=$CPU0_L1_CACHE
+        ax_l2_size=$CPU0_L2_CACHE
+        ax_l3_size=$CPU0_L3_CACHE
+
+    else
+      if test "x$ax_cv_cpu_vendor" != "xUnknown"; then
+        #Or use CPUID
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x80000000 output" >&5
+$as_echo_n "checking for x86 cpuid 0x80000000 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x80000000+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x80000000=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x80000000+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x80000000=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x80000000=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x80000000" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x80000000" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+	cpu_exthigh=`echo $ax_cv_gcc_x86_cpuid_0x80000000 | cut -d ":" -f 1`
+	if test "x$cpu_exthi" > "x80000004"; then
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x80000005 output" >&5
+$as_echo_n "checking for x86 cpuid 0x80000005 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x80000005+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x80000005=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x80000005+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x80000005=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x80000005=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x80000005" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x80000005" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ # For L1 cache
+          l1_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000005 | cut -d ":" -f 4`
+          ax_l1_size=$((0x$l1_hexval >> 24))
+        fi
+
+	if test "x$cpu_exthi" > "x80000005"; then
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x80000006 output" >&5
+$as_echo_n "checking for x86 cpuid 0x80000006 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x80000006+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x80000006=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x80000006+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x80000006=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x80000006=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x80000006" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x80000006" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ # For L2 cache
+          l2_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000006 | cut -d ":" -f 3`
+          ax_l2_size=$((0x$l2_hexval >> 16))
+        fi
+
+	if test "x$cpu_exthi" > "x80000005"; then
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 cpuid 0x80000006 output" >&5
+$as_echo_n "checking for x86 cpuid 0x80000006 output... " >&6; }
+if ${ax_cv_gcc_x86_cpuid_0x80000006+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_gcc_x86_cpuid_0x80000006=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+
+     int op = 0x80000006+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_gcc_x86_cpuid_0x80000006=`cat conftest_cpuid`; rm -f conftest_cpuid
+else
+  ax_cv_gcc_x86_cpuid_0x80000006=unknown; rm -f conftest_cpuid
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpuid_0x80000006" >&5
+$as_echo "$ax_cv_gcc_x86_cpuid_0x80000006" >&6; }
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ # For L3 cache
+          l2_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000006 | cut -d ":" -f 4`
+          ax_l2_size=$((0x$l2_hexval >> 18))*512
+        fi
+
+      fi
+
+      #Or use sysctl
+      sysctl_exe=
+      if test -x /usr/sbin/sysctl ; then
+	sysctl_exe=/usr/sbin/sysctl
+      elif test -x /sbin/sysctl ; then
+	sysctl_exe=/sbin/sysctl
+      fi
+      if test -n "$sysctl_exe"; then
+	if test -z "$ax_l2_size" -o "$ax_l2_size" = "0"; then
+          sysctl_out=`$sysctl_exe -n hw.l2cachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+            ax_l2_size=$(($sysctl_out / 1024))
+          fi;
+
+	fi
+	if test -z "$ax_l1_size" -o "$ax_l1_size" = "0" ; then
+          sysctl_out=`$sysctl_exe -n hw.l1dcachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+  	    ax_l1_size=$(($sysctl_out / 1024))
+          fi;
+	fi
+	if test -z "$ax_l1_size" -o "ax_l1_size" = "0" ; then
+          sysctl_out=`$sysctl_exe -n hw.l1cachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+             ax_l1_size=$(($sysctl_out / 1024))
+          fi;
+        fi
+      fi
+    fi
+
+    test -z "$ax_l1_size" && ax_l1_size=0
+    test -z "$ax_l2_size" && ax_l2_size=0
+    test -z "$ax_l3_size" && ax_l3_size=$ax_l2_size
+
+    # Keep only digits if there is a unit (ie 1024K -> 1024) and convert in Bytes
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L1 cache size" >&5
+$as_echo_n "checking the L1 cache size... " >&6; }
+    ax_l1_size=`echo $ax_l1_size | $SED 's/\([0-9]\)[A-Za-z]$/\1/g'`
+    ax_l1_size=$(($ax_l1_size*1024))
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l1_size Bytes" >&5
+$as_echo "$ax_l1_size Bytes" >&6; }
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L2 cache size" >&5
+$as_echo_n "checking the L2 cache size... " >&6; }
+    ax_l2_size=`echo $ax_l2_size | $SED 's/\([0-9]\)[A-Za-z]$/\1/g'`
+    ax_l2_size=$(($ax_l2_size*1024))
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l2_size Bytes" >&5
+$as_echo "$ax_l2_size Bytes" >&6; }
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L3 cache size" >&5
+$as_echo_n "checking the L3 cache size... " >&6; }
+    ax_l3_size=`echo $ax_l3_size | $SED 's/\([0-9]\)[A-Za-z]$/\1/g'`
+    ax_l3_size=$(($ax_l3_size*1024))
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l3_size Bytes" >&5
+$as_echo "$ax_l3_size Bytes" >&6; }
+
+    M4RI_CPU_L1_CACHE=${ax_l1_size}
+    M4RI_CPU_L2_CACHE=${ax_l2_size}
+    M4RI_CPU_L3_CACHE=${ax_l3_size}
+
+
+
+
+   if test "x$enable_cachetune" = "xyes"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-cachetune is deprecated since it usually does not provide optimal parameters." >&5
+$as_echo "$as_me: WARNING: --enable-cachetune is deprecated since it usually does not provide optimal parameters." >&2;}
+
+
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cache sizes" >&5
+$as_echo_n "checking for cache sizes... " >&6; }
+if ${ax_cv_cache_sizes+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ax_cv_cache_sizes=unknown
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <time.h>
+#include <sys/time.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+double walltime(double t0) {
+  double mic, time;
+  double mega = 0.000001;
+  struct timeval tp;
+  static long base_sec = 0;
+  static long base_usec = 0;
+
+  (void) gettimeofday(&tp,NULL);
+  if (base_sec == 0) {
+    base_sec = tp.tv_sec;
+    base_usec = tp.tv_usec;
+  }
+
+  time = (double) (tp.tv_sec - base_sec);
+  mic = (double) (tp.tv_usec - base_usec);
+  time = (time + mic * mega) - t0;
+  return(time);
+}
+
+double run_experiment(size_t size, size_t trials) {
+  size_t i,j;
+  unsigned long *a = (unsigned long*)malloc(size/4);
+  unsigned long *b = (unsigned long*)malloc(size/4);
+  unsigned long *c = (unsigned long*)malloc(size/4);
+  unsigned long *d = (unsigned long*)malloc(size/4);
+
+  size_t n = size/4/(sizeof(unsigned long));
+
+  /* we setup a lookup table with a random-ish pattern */
+  a[0] = 1337;
+  b[0] = 5345345;
+  for(j=1; j<n ; j++) {
+    a[j] = a[j-1] * 1073741827;
+    a[j-1] %= n;
+    b[j] = b[j-1] * 1073741827;
+    b[j-1] %= n;
+  }
+  a[n-1] %= n;
+  b[n-1] %= n;
+
+  double wt = walltime(0.0);
+  clock_t ct = clock();
+  for(i=0; i<trials; i++) {
+    for(j=0; j<n; j+=8) {
+      d[b[j+0]] = c[a[j+0]];
+      d[b[j+1]] = c[a[j+1]];
+      d[b[j+2]] = c[a[j+2]];
+      d[b[j+3]] = c[a[j+3]];
+      d[b[j+4]] = c[a[j+4]];
+      d[b[j+5]] = c[a[j+5]];
+      d[b[j+6]] = c[a[j+6]];
+      d[b[j+7]] = c[a[j+7]];
+    }
+  }
+  ct = clock() - ct;
+  wt = walltime(wt);
+  free(a);
+  free(b);
+  free(c);
+  free(d);
+  return (double)wt;
+}
+
+
+#define NUMBER_OF_EXPERIMENTS 8
+
+size_t cache_size(const size_t *candidates, const size_t n, size_t trials) {
+  double times[NUMBER_OF_EXPERIMENTS][n];
+  double dtimes[NUMBER_OF_EXPERIMENTS][n];
+  size_t i,j;
+  double wt, result;
+
+
+  for(j=0; j<NUMBER_OF_EXPERIMENTS; j++) {
+    size_t mult  = 1;
+    size_t _trials = trials;
+    run_experiment(candidates[0]*1024,_trials);
+    wt = walltime(0.0);
+    times[j][0] = run_experiment(candidates[0]*1024,_trials);
+    wt = walltime(wt);
+    dtimes[j][0] = 1.0;
+    printf("s: %5zu, rx: %6.2f, x: %6.2f, wt: %6.2f, dx:    NaN\n",candidates[0],times[j][0],times[j][0],wt);
+    fflush(NULL);
+
+    for(i=1;i<n;i++) {
+      run_experiment(candidates[i]*1024,_trials);
+      wt = walltime(0.0);
+      result = run_experiment(candidates[i]*1024,_trials);
+      wt = walltime(wt);
+      times[j][i] = mult*result;
+      dtimes[j][i] = candidates[i-1]*times[j][i]/times[j][i-1]/candidates[i];
+
+      printf("s: %5zu, rx: %6.2f, x: %6.2f, wt: %6.2f, dx: %6.2f\n",candidates[i],result,times[j][i],wt,dtimes[j][i]);
+      fflush(NULL);
+
+      while(wt > 0.25) {
+        _trials = _trials/2;
+        mult = 2*mult;
+        wt /= 2.0;
+        result /= 2.0;
+      }
+    }
+    printf("\n");
+  }
+  for(i=0;i<n;i++) {
+    double tmp = 0.0;
+    for(j=0; j<NUMBER_OF_EXPERIMENTS; j++) {
+      tmp += dtimes[j][i];
+    }
+    dtimes[0][i] = tmp/NUMBER_OF_EXPERIMENTS;
+  }
+
+  size_t max = 1;
+  for(i=1;i<n;i++){
+    if (dtimes[0][i] > dtimes[0][max] ) {
+      max = i;
+    }
+  }
+  return candidates[max-1];
+}
+
+int
+main ()
+{
+
+  const size_t c1[] = {   4,   8,  16,  32,  64, 128};
+  const size_t c2[] = { 128, 256, 512};
+  const size_t c3[] = {1024,1536,2048,3072,4096,6144,8192,16384,32768};
+
+  FILE *f;
+  printf("\n");
+  size_t _l1 = cache_size(c1,  6, 1ULL<<15);
+  size_t _l2 = cache_size(c2,  3, 1ULL<<12);
+  size_t _l3 = cache_size(c3,  9, 1ULL<< 9);
+
+  f = fopen("conftest_cache_sizes", "w"); if (!f) return 1;
+  fprintf(f,"%lu:%lu:%lu\n",(unsigned long)(_l1*1024),(unsigned long)(_l2*1024),(unsigned long)(_l3*1024));
+  fclose(f);
+  return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ax_cv_cache_sizes=`cat conftest_cache_sizes`; rm -f conftest_cache_sizes
+else
+  ax_cv_cache_sizes=unknown; rm -f conftest_cache_sizes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cache_sizes" >&5
+$as_echo "$ax_cv_cache_sizes" >&6; }
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L1 cache size" >&5
+$as_echo_n "checking the L1 cache size... " >&6; }
+  ax_l1_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 1`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l1_size Bytes" >&5
+$as_echo "$ax_l1_size Bytes" >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L2 cache size" >&5
+$as_echo_n "checking the L2 cache size... " >&6; }
+  ax_l2_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 2`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l2_size Bytes" >&5
+$as_echo "$ax_l2_size Bytes" >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking the L3 cache size" >&5
+$as_echo_n "checking the L3 cache size... " >&6; }
+  ax_l3_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 3`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_l3_size Bytes" >&5
+$as_echo "$ax_l3_size Bytes" >&6; }
+
+  M4RI_CPU_L1_CACHE=${ax_l1_size}
+  M4RI_CPU_L2_CACHE=${ax_l2_size}
+  M4RI_CPU_L3_CACHE=${ax_l3_size}
+
+
+
+
+fi
+else
+  if test "x$enable_cachetune" = "xyes"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Ignoring cache tuning since --with-cachesize was given." >&5
+$as_echo "$as_me: WARNING: Ignoring cache tuning since --with-cachesize was given." >&2;}
+fi
+
+  ax_l1_size=`echo $m4ri_config_cachesize | cut -d ":" -f 1`
+  ax_l2_size=`echo $m4ri_config_cachesize | cut -d ":" -f 2`
+  ax_l3_size=`echo $m4ri_config_cachesize | cut -d ":" -f 3`
+
+  M4RI_CPU_L1_CACHE=${ax_l1_size}
+  M4RI_CPU_L2_CACHE=${ax_l2_size}
+  M4RI_CPU_L3_CACHE=${ax_l3_size}
+
+
+
+
+fi
+
+# PNG
+
+have_libpng="no"
+# Check whether --enable-png was given.
+if test "${enable_png+set}" = set; then :
+  enableval=$enable_png;
+    if test "x${enableval}" = "xyes" ; then
+       want_png="yes"
+    else
+       want_png="no"
+    fi
+
+else
+  want_png="yes"
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build with PNG support" >&5
+$as_echo_n "checking whether to build with PNG support... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${want_png}" >&5
+$as_echo "${want_png}" >&6; }
+
+if test "x${want_png}" = "xyes" ; then
+
+
+
+
+
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+$as_echo "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=0.9.0
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	else
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+		PKG_CONFIG=""
+	fi
+fi
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PNG" >&5
+$as_echo_n "checking for PNG... " >&6; }
+
+if test -n "$PNG_CFLAGS"; then
+    pkg_cv_PNG_CFLAGS="$PNG_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libpng\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libpng") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_PNG_CFLAGS=`$PKG_CONFIG --cflags "libpng" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$PNG_LIBS"; then
+    pkg_cv_PNG_LIBS="$PNG_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libpng\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libpng") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_PNG_LIBS=`$PKG_CONFIG --libs "libpng" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        PNG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libpng" 2>&1`
+        else
+	        PNG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libpng" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$PNG_PKG_ERRORS" >&5
+
+	have_libpng="no"
+elif test $pkg_failed = untried; then
+     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	have_libpng="no"
+else
+	PNG_CFLAGS=$pkg_cv_PNG_CFLAGS
+	PNG_LIBS=$pkg_cv_PNG_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	have_libpng="yes"; LIBPNG_LIBADD=`pkg-config --libs libpng`
+fi
+   if ! test "x${have_libpng}" = "xyes" ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_create_write_struct in -lpng" >&5
+$as_echo_n "checking for png_create_write_struct in -lpng... " >&6; }
+if ${ac_cv_lib_png_png_create_write_struct+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpng  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char png_create_write_struct ();
+int
+main ()
+{
+return png_create_write_struct ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_png_png_create_write_struct=yes
+else
+  ac_cv_lib_png_png_create_write_struct=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png_png_create_write_struct" >&5
+$as_echo "$ac_cv_lib_png_png_create_write_struct" >&6; }
+if test "x$ac_cv_lib_png_png_create_write_struct" = xyes; then :
+  have_libpng="yes"; LIBPNG_LIBADD="-lpng"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_create_write_struct in -lpng14" >&5
+$as_echo_n "checking for png_create_write_struct in -lpng14... " >&6; }
+if ${ac_cv_lib_png14_png_create_write_struct+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpng14  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char png_create_write_struct ();
+int
+main ()
+{
+return png_create_write_struct ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_png14_png_create_write_struct=yes
+else
+  ac_cv_lib_png14_png_create_write_struct=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png14_png_create_write_struct" >&5
+$as_echo "$ac_cv_lib_png14_png_create_write_struct" >&6; }
+if test "x$ac_cv_lib_png14_png_create_write_struct" = xyes; then :
+  have_libpng="yes"; LIBPNG_LIBADD="-lpng14"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_create_write_struct in -lpng12" >&5
+$as_echo_n "checking for png_create_write_struct in -lpng12... " >&6; }
+if ${ac_cv_lib_png12_png_create_write_struct+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpng12  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char png_create_write_struct ();
+int
+main ()
+{
+return png_create_write_struct ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_png12_png_create_write_struct=yes
+else
+  ac_cv_lib_png12_png_create_write_struct=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png12_png_create_write_struct" >&5
+$as_echo "$ac_cv_lib_png12_png_create_write_struct" >&6; }
+if test "x$ac_cv_lib_png12_png_create_write_struct" = xyes; then :
+  have_libpng="yes"; LIBPNG_LIBADD="-lpng12"
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_create_write_struct in -lpng10" >&5
+$as_echo_n "checking for png_create_write_struct in -lpng10... " >&6; }
+if ${ac_cv_lib_png10_png_create_write_struct+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpng10  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char png_create_write_struct ();
+int
+main ()
+{
+return png_create_write_struct ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_png10_png_create_write_struct=yes
+else
+  ac_cv_lib_png10_png_create_write_struct=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png10_png_create_write_struct" >&5
+$as_echo "$ac_cv_lib_png10_png_create_write_struct" >&6; }
+if test "x$ac_cv_lib_png10_png_create_write_struct" = xyes; then :
+  have_libpng="yes"; LIBPNG_LIBADD="-lpng10"
+else
+  have_libpng="no"
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+   fi
+   if test "x${have_libpng}" = "xno" ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can not find a usuable PNG library. Make sure that CPPFLAGS and LDFLAGS are correctly set." >&5
+$as_echo "$as_me: WARNING: Can not find a usuable PNG library. Make sure that CPPFLAGS and LDFLAGS are correctly set." >&2;}
+   fi
+fi
+
+if test "x${have_libpng}" = "xyes" ; then
+   M4RI_HAVE_LIBPNG=1
+
+
+else
+   M4RI_HAVE_LIBPNG=0
+
+fi
+
+RELEASE="20140914"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/bash
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+  SET_MAKE=
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+
+ac_config_files="$ac_config_files Makefile testsuite/Makefile m4ri/m4ri_config.h m4ri.pc"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    if test "x$cache_file" != "x/dev/null"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+U=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+$as_echo_n "checking that generated files are newer than configure... " >&6; }
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
+$as_echo "done" >&6; }
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+  as_fn_error $? "conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+
+: "${CONFIG_STATUS=./config.status}"
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by m4ri $as_me 20140914, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to the package provider."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_version="\\
+m4ri config.status 20140914
+configured by $0, generated by GNU Autoconf 2.69,
+  with options \\"\$ac_cs_config\\"
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=?*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
+
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`'
+macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`'
+enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`'
+enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`'
+pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
+enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
+ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
+PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
+host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`'
+host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`'
+host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`'
+build_alias='`$ECHO "$build_alias" | $SED "$delay_single_quote_subst"`'
+build='`$ECHO "$build" | $SED "$delay_single_quote_subst"`'
+build_os='`$ECHO "$build_os" | $SED "$delay_single_quote_subst"`'
+SED='`$ECHO "$SED" | $SED "$delay_single_quote_subst"`'
+Xsed='`$ECHO "$Xsed" | $SED "$delay_single_quote_subst"`'
+GREP='`$ECHO "$GREP" | $SED "$delay_single_quote_subst"`'
+EGREP='`$ECHO "$EGREP" | $SED "$delay_single_quote_subst"`'
+FGREP='`$ECHO "$FGREP" | $SED "$delay_single_quote_subst"`'
+LD='`$ECHO "$LD" | $SED "$delay_single_quote_subst"`'
+NM='`$ECHO "$NM" | $SED "$delay_single_quote_subst"`'
+LN_S='`$ECHO "$LN_S" | $SED "$delay_single_quote_subst"`'
+max_cmd_len='`$ECHO "$max_cmd_len" | $SED "$delay_single_quote_subst"`'
+ac_objext='`$ECHO "$ac_objext" | $SED "$delay_single_quote_subst"`'
+exeext='`$ECHO "$exeext" | $SED "$delay_single_quote_subst"`'
+lt_unset='`$ECHO "$lt_unset" | $SED "$delay_single_quote_subst"`'
+lt_SP2NL='`$ECHO "$lt_SP2NL" | $SED "$delay_single_quote_subst"`'
+lt_NL2SP='`$ECHO "$lt_NL2SP" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`'
+reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`'
+reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`'
+OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`'
+deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`'
+file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`'
+file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`'
+want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`'
+DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`'
+sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`'
+AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`'
+AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`'
+archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`'
+STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`'
+RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`'
+old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`'
+lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`'
+CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`'
+CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`'
+compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`'
+GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`'
+nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`'
+lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`'
+objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`'
+MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`'
+need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`'
+MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`'
+DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`'
+NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`'
+LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`'
+OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`'
+OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`'
+libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`'
+shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`'
+extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`'
+export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`'
+whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`'
+compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`'
+old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`'
+archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`'
+module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`'
+allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`'
+no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`'
+hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`'
+hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`'
+hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`'
+hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`'
+hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`'
+inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`'
+link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`'
+always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`'
+export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`'
+exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`'
+include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`'
+prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`'
+postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`'
+file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`'
+variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`'
+need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`'
+need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`'
+version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`'
+runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`'
+libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`'
+library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`'
+soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`'
+install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`'
+postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`'
+finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
+hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
+sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
+sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`'
+hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
+enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`'
+old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`'
+striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`'
+
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in SHELL \
+ECHO \
+PATH_SEPARATOR \
+SED \
+GREP \
+EGREP \
+FGREP \
+LD \
+NM \
+LN_S \
+lt_SP2NL \
+lt_NL2SP \
+reload_flag \
+OBJDUMP \
+deplibs_check_method \
+file_magic_cmd \
+file_magic_glob \
+want_nocaseglob \
+DLLTOOL \
+sharedlib_from_linklib_cmd \
+AR \
+AR_FLAGS \
+archiver_list_spec \
+STRIP \
+RANLIB \
+CC \
+CFLAGS \
+compiler \
+lt_cv_sys_global_symbol_pipe \
+lt_cv_sys_global_symbol_to_cdecl \
+lt_cv_sys_global_symbol_to_c_name_address \
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
+nm_file_list_spec \
+lt_prog_compiler_no_builtin_flag \
+lt_prog_compiler_pic \
+lt_prog_compiler_wl \
+lt_prog_compiler_static \
+lt_cv_prog_compiler_c_o \
+need_locks \
+MANIFEST_TOOL \
+DSYMUTIL \
+NMEDIT \
+LIPO \
+OTOOL \
+OTOOL64 \
+shrext_cmds \
+export_dynamic_flag_spec \
+whole_archive_flag_spec \
+compiler_needs_object \
+with_gnu_ld \
+allow_undefined_flag \
+no_undefined_flag \
+hardcode_libdir_flag_spec \
+hardcode_libdir_separator \
+exclude_expsyms \
+include_expsyms \
+file_list_spec \
+variables_saved_for_relink \
+libname_spec \
+library_names_spec \
+soname_spec \
+install_override_mode \
+finish_eval \
+old_striplib \
+striplib; do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in reload_cmds \
+old_postinstall_cmds \
+old_postuninstall_cmds \
+old_archive_cmds \
+extract_expsyms_cmds \
+old_archive_from_new_cmds \
+old_archive_from_expsyms_cmds \
+archive_cmds \
+archive_expsym_cmds \
+module_cmds \
+module_expsym_cmds \
+export_symbols_cmds \
+prelink_cmds \
+postlink_cmds \
+postinstall_cmds \
+postuninstall_cmds \
+finish_cmds \
+sys_lib_search_path_spec \
+sys_lib_dlsearch_path_spec; do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+ac_aux_dir='$ac_aux_dir'
+xsi_shell='$xsi_shell'
+lt_shell_append='$lt_shell_append'
+
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    TIMESTAMP='$TIMESTAMP'
+    RM='$RM'
+    ofile='$ofile'
+
+
+
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
+    "m4ri/config.h") CONFIG_HEADERS="$CONFIG_HEADERS m4ri/config.h" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
+    "m4ri/m4ri_config.h") CONFIG_FILES="$CONFIG_FILES m4ri/m4ri_config.h" ;;
+    "m4ri.pc") CONFIG_FILES="$CONFIG_FILES m4ri.pc" ;;
+
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp= ac_tmp=
+  trap 'exit_status=$?
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\)..*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\)..*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
+s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
+s/^[^=]*=[	 ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
+    break
+  elif $ac_last_try; then
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$ac_tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+  s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&2;}
+
+  rm -f "$ac_tmp/stdin"
+  case $ac_file in
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    fi
+  else
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named 'Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$mf" : 'X\(//\)[^/]' \| \
+	 X"$mf" : 'X\(//\)$' \| \
+	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running 'make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "$am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$file" : 'X\(//\)[^/]' \| \
+	 X"$file" : 'X\(//\)$' \| \
+	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      as_dir=$dirpart/$fdir; as_fn_mkdir_p
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+ ;;
+    "libtool":C)
+
+    # See if we are running on zsh, and set the options which allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}" ; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile="${ofile}T"
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+#                 Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags=""
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Which release of libtool.m4 was used?
+macro_version=$macro_version
+macro_revision=$macro_revision
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# What type of objects to build.
+pic_mode=$pic_mode
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# An echo program that protects backslashes.
+ECHO=$lt_ECHO
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=$lt_PATH_SEPARATOR
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="\$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP=$lt_GREP
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# A literal string matcher.
+FGREP=$lt_FGREP
+
+# A BSD- or MS-compatible name lister.
+NM=$lt_NM
+
+# Whether we need soft or hard links.
+LN_S=$lt_LN_S
+
+# What is the maximum length of a command?
+max_cmd_len=$max_cmd_len
+
+# Object file suffix (normally "o").
+objext=$ac_objext
+
+# Executable file suffix (normally "").
+exeext=$exeext
+
+# whether the shell understands "unset".
+lt_unset=$lt_unset
+
+# turn spaces into newlines.
+SP2NL=$lt_lt_SP2NL
+
+# turn newlines into spaces.
+NL2SP=$lt_lt_NL2SP
+
+# convert \$build file names to \$host format.
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+
+# convert \$build files to toolchain format.
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+
+# An object symbol dumper.
+OBJDUMP=$lt_OBJDUMP
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd=$lt_file_magic_cmd
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=$lt_file_magic_glob
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob=$lt_want_nocaseglob
+
+# DLL creation program.
+DLLTOOL=$lt_DLLTOOL
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd
+
+# The archiver.
+AR=$lt_AR
+
+# Flags to create an archive.
+AR_FLAGS=$lt_AR_FLAGS
+
+# How to feed a file listing to the archiver.
+archiver_list_spec=$lt_archiver_list_spec
+
+# A symbol stripping program.
+STRIP=$lt_STRIP
+
+# Commands used to install an old-style archive.
+RANLIB=$lt_RANLIB
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=$lock_old_archive_extraction
+
+# A C compiler.
+LTCC=$lt_CC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_CFLAGS
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
+
+# Specify filename containing input files for \$NM.
+nm_file_list_spec=$lt_nm_file_list_spec
+
+# The root where to search for dependent libraries,and in which our libraries should be installed.
+lt_sysroot=$lt_sysroot
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=$MAGIC_CMD
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Manifest tool.
+MANIFEST_TOOL=$lt_MANIFEST_TOOL
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=$lt_DSYMUTIL
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=$lt_NMEDIT
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=$lt_LIPO
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=$lt_OTOOL
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=$lt_OTOOL64
+
+# Old archive suffix (normally "a").
+libext=$libext
+
+# Shared library suffix (normally ".so").
+shrext_cmds=$lt_shrext_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink=$lt_variables_saved_for_relink
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Library versioning type.
+version_type=$version_type
+
+# Shared library runtime path variable.
+runpath_var=$runpath_var
+
+# Shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=$lt_install_override_mode
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=$lt_postinstall_cmds
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=$lt_finish_eval
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds
+
+# A language specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=$lt_postlink_cmds
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+  if test x"$xsi_shell" = xyes; then
+  sed -e '/^func_dirname ()$/,/^} # func_dirname /c\
+func_dirname ()\
+{\
+\    case ${1} in\
+\      */*) func_dirname_result="${1%/*}${2}" ;;\
+\      *  ) func_dirname_result="${3}" ;;\
+\    esac\
+} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_basename ()$/,/^} # func_basename /c\
+func_basename ()\
+{\
+\    func_basename_result="${1##*/}"\
+} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\
+func_dirname_and_basename ()\
+{\
+\    case ${1} in\
+\      */*) func_dirname_result="${1%/*}${2}" ;;\
+\      *  ) func_dirname_result="${3}" ;;\
+\    esac\
+\    func_basename_result="${1##*/}"\
+} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_stripname ()$/,/^} # func_stripname /c\
+func_stripname ()\
+{\
+\    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\
+\    # positional parameters, so assign one to ordinary parameter first.\
+\    func_stripname_result=${3}\
+\    func_stripname_result=${func_stripname_result#"${1}"}\
+\    func_stripname_result=${func_stripname_result%"${2}"}\
+} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\
+func_split_long_opt ()\
+{\
+\    func_split_long_opt_name=${1%%=*}\
+\    func_split_long_opt_arg=${1#*=}\
+} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\
+func_split_short_opt ()\
+{\
+\    func_split_short_opt_arg=${1#??}\
+\    func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\
+} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\
+func_lo2o ()\
+{\
+\    case ${1} in\
+\      *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\
+\      *)    func_lo2o_result=${1} ;;\
+\    esac\
+} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_xform ()$/,/^} # func_xform /c\
+func_xform ()\
+{\
+    func_xform_result=${1%.*}.lo\
+} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_arith ()$/,/^} # func_arith /c\
+func_arith ()\
+{\
+    func_arith_result=$(( $* ))\
+} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_len ()$/,/^} # func_len /c\
+func_len ()\
+{\
+    func_len_result=${#1}\
+} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+fi
+
+if test x"$lt_shell_append" = xyes; then
+  sed -e '/^func_append ()$/,/^} # func_append /c\
+func_append ()\
+{\
+    eval "${1}+=\\${2}"\
+} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\
+func_append_quoted ()\
+{\
+\    func_quote_for_eval "${2}"\
+\    eval "${1}+=\\\\ \\$func_quote_for_eval_result"\
+} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+  # Save a `func_append' function call where possible by direct use of '+='
+  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+else
+  # Save a `func_append' function call even when '+=' is not available
+  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+fi
+
+if test x"$_lt_function_replace_fail" = x":"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5
+$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;}
+fi
+
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+
+ ;;
+
+  esac
+done # for ac_tag
+
+
+as_fn_exit 0
+_ACEOF
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || as_fn_exit 1
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/configure.ac b/src-light-solver/preprocess/m4ri-20140914/configure.ac
new file mode 100644
index 0000000..3dd9de7
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/configure.ac
@@ -0,0 +1,244 @@
+AC_INIT(m4ri,20140914)
+
+AC_CANONICAL_HOST
+
+AC_CONFIG_SRCDIR(m4ri/brilliantrussian.c)
+
+AM_INIT_AUTOMAKE
+
+dnl Include maintainer mode targets.
+AM_MAINTAINER_MODE
+
+dnl Needed when reconfiguring with 'autoreconf -i -s'
+AC_CONFIG_MACRO_DIR([m4])
+
+dnl Compiling with per-target flags (test_elimination.c) requires AM_PROG_CC_C_O.
+AM_PROG_CC_C_O
+
+AC_PROG_LIBTOOL
+
+AC_PROG_INSTALL
+
+AC_CONFIG_HEADERS(m4ri/config.h)
+
+AC_PROG_CC_C99()
+if test "$ac_cv_prog_cc_c99" = "no"; then
+  AC_MSG_ERROR([C99 support is required but not found.])
+fi
+
+# SSE2 support
+AC_ARG_ENABLE([sse2],
+        AS_HELP_STRING([--disable-sse2], [don't use SSE2 instruction set.]),
+	, [if test "$m4ri_wrapword" = "yes"; then enable_sse2="no"; else enable_sse2="yes"; fi])
+
+AS_IF([test "x$enable_sse2" != "xno"], [
+   if test "$m4ri_wrapword" = "yes"; then
+      AC_MSG_ERROR([SSE2 cannot be supported when wrapping word in a C++ class.])
+   fi
+   case $host_cpu in i[[3456]]86*|x86_64*)
+          AX_EXT()
+   esac
+])
+if test x"$ax_cv_have_sse2_ext" = x"yes"; then
+  M4RI_HAVE_SSE2=1
+else
+  M4RI_HAVE_SSE2=0
+fi
+AC_SUBST(M4RI_HAVE_SSE2)
+
+
+AC_ARG_WITH(papi,
+    AS_HELP_STRING([--with-papi@<:@=PATH@:>@], [The PAPI install prefix, if configure can't find it.]),
+    [m4ri_config_papi=$withval])
+
+AC_ARG_WITH(cachesize,
+        AS_HELP_STRING([--with-cachesize@<:@=VALUE@:>@], [L1,L2 and L3 cache sizes in bytes, separated by a colon. Overrides cache tuning.]),[m4ri_config_cachesize=$withval])
+
+AC_CHECK_HEADER([mm_malloc.h],AC_DEFINE(HAVE_MM_MALLOC,,[Support aligned allocations]),)
+if test "$ac_cv_header_mm_malloc_h" = "yes"; then
+  M4RI_HAVE_MM_MALLOC=1
+else
+  M4RI_HAVE_MM_MALLOC=0
+fi
+AC_SUBST(M4RI_HAVE_MM_MALLOC)
+
+# Correctly working posix_memalign
+AX_FUNC_POSIX_MEMALIGN
+if test "$ax_cv_func_posix_memalign_works" = "yes"; then
+  M4RI_HAVE_POSIX_MEMALIGN=1
+else
+  M4RI_HAVE_POSIX_MEMALIGN=0
+fi
+AC_SUBST(M4RI_HAVE_POSIX_MEMALIGN)
+
+# OpenMP support
+AC_ARG_ENABLE([openmp],
+        AS_HELP_STRING( [--enable-openmp],[add support for OpenMP multicore support.]))
+
+AS_IF([test "x$enable_openmp" = "xyes"], [
+   AX_OPENMP()
+])
+AC_SUBST(OPENMP_CFLAGS)
+if test -n "$OPENMP_CFLAGS"; then
+  M4RI_HAVE_OPENMP=1
+else
+  M4RI_HAVE_OPENMP=0
+fi
+AC_SUBST(M4RI_HAVE_OPENMP)
+
+# Debugging support
+AC_ARG_ENABLE([debug],
+	AS_HELP_STRING([--enable-debug], [Enable assert() statements for debugging.]))
+
+AC_ARG_ENABLE([debug-dump],
+        AS_HELP_STRING([--enable-debug-dump], [Dump output at exit of every function.]))
+
+if test "x$enable_debug_dump" = "xyes"; then
+  M4RI_DEBUG_DUMP=1
+else
+  M4RI_DEBUG_DUMP=0
+fi
+AC_SUBST(M4RI_DEBUG_DUMP)
+
+AC_ARG_ENABLE([debug-mzd],
+        AS_HELP_STRING([--enable-debug-mzd], [Add consistency checks on matrix structures.]))
+
+if test "x$enable_debug_mzd" = "xyes"; then
+  M4RI_DEBUG_MZD=1
+else
+  M4RI_DEBUG_MZD=0
+fi
+AC_SUBST(M4RI_DEBUG_MZD)
+
+if test "x$enable_debug" = x"yes"; then
+  DEBUG_FLAGS="-g"
+  AC_SUBST(DEBUG_FLAGS)
+else
+  if test "x$enable_debug_mzd" != "xyes"; then
+    AC_DEFINE(NDEBUG,1,[Define whether debugging is enabled])
+  fi
+fi
+
+# For the testsuite. Detect if PAPI is installed. See http://icl.cs.utk.edu/papi/ .
+
+if test -z "$m4ri_config_papi"; then
+   AC_CHECK_LIB(papi, PAPI_start_counters,
+   [ 
+    AX_GUESS_PATH_LIB(papi)
+    AX_GUESS_PATH_HEADER(papi.h)
+    if test -n "$LIBPAPI_PATH"; then
+       PAPI_LDFLAGS="-Wl,-rpath,$LIBPAPI_PATH"
+       PAPI_LIBS="-L$LIBPAPI_PATH -lpapi"
+    else
+        PAPI_LIBS="-lpapi"
+        if ! test -e "/usr/lib/libpapi.so"; then
+           AC_MSG_WARN([Could not find libpapi.so. Use --with-papi=<install_prefix> or set LD_LIBRARY_PATH correctly before running benchmark applications.])
+        fi
+    fi
+    if test -n "$PAPI_H_PATH"; then
+       PAPI_CFLAGS="-I$PAPI_H_PATH"
+       AC_DEFINE_UNQUOTED([HAVE_LIBPAPI], 1, [Define when libpapi is available.])
+    else
+      AC_MSG_WARN([Could not find papi.h; Use --with-papi=<install_prefix> or add -I<install_prefix>/include to either CPPFLAGS 
+                    or CFLAGS, or turn off papi all together by configuring with --without-papi.])
+    fi
+])
+fi
+
+if test x"$m4ri_config_papi" != x"no" && test -n "$m4ri_config_papi"; then
+    LIBPAPI_PATH="`realpath -s $m4ri_config_papi/lib`"
+    PAPI_H_PATH="`realpath -s $m4ri_config_papi/include`"
+    PAPI_CFLAGS="-I$PAPI_H_PATH"
+    PAPI_LDFLAGS="-Wl,-rpath,$LIBPAPI_PATH"
+    PAPI_LIBS="-L$LIBPAPI_PATH -lpapi"
+    AC_DEFINE_UNQUOTED([HAVE_LIBPAPI], 1, [Define when libpapi is available.])
+fi
+
+AC_SUBST(PAPI_LIBS)
+AC_SUBST(PAPI_LDFLAGS)
+AC_SUBST(PAPI_CFLAGS)
+
+AC_ARG_ENABLE([cachetune], 
+     AS_HELP_STRING([--enable-cachetune],[calculate cache size from timing information (deprecated).]))
+
+# Cache Sizes
+if test -z $m4ri_config_cachesize; then
+   AX_CACHE_SIZE()
+   AS_IF([test "x$enable_cachetune" = "xyes"], [AC_MSG_WARN(--enable-cachetune is deprecated since it usually does not provide optimal parameters.) AX_CACHE_SIZE_TUNE()])
+else
+  AS_IF([test "x$enable_cachetune" = "xyes"], [AC_MSG_WARN(Ignoring cache tuning since --with-cachesize was given.)])
+
+  ax_l1_size=`echo $m4ri_config_cachesize | cut -d ":" -f 1`
+  ax_l2_size=`echo $m4ri_config_cachesize | cut -d ":" -f 2`
+  ax_l3_size=`echo $m4ri_config_cachesize | cut -d ":" -f 3`
+
+  M4RI_CPU_L1_CACHE=${ax_l1_size}
+  M4RI_CPU_L2_CACHE=${ax_l2_size}
+  M4RI_CPU_L3_CACHE=${ax_l3_size}
+  AC_SUBST(M4RI_CPU_L1_CACHE)
+  AC_SUBST(M4RI_CPU_L2_CACHE)
+  AC_SUBST(M4RI_CPU_L3_CACHE)
+
+fi
+
+# PNG
+
+have_libpng="no"
+AC_ARG_ENABLE([png],
+   [AC_HELP_STRING([--disable-png], [disable PNG support @<:@default=enabled@:>@])],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       want_png="yes"
+    else
+       want_png="no"
+    fi
+   ],
+   [want_png="yes"])
+
+AC_MSG_CHECKING([whether to build with PNG support])
+AC_MSG_RESULT([${want_png}])
+
+if test "x${want_png}" = "xyes" ; then
+   PKG_CHECK_MODULES([PNG], [libpng],
+      [have_libpng="yes"; LIBPNG_LIBADD=`pkg-config --libs libpng`],
+      [have_libpng="no"])
+   if ! test "x${have_libpng}" = "xyes" ; then
+      AC_CHECK_LIB([png],
+         [png_create_write_struct],
+         [have_libpng="yes"; LIBPNG_LIBADD="-lpng"],
+         [AC_CHECK_LIB([png14],
+            [png_create_write_struct],
+            [have_libpng="yes"; LIBPNG_LIBADD="-lpng14"],
+            [AC_CHECK_LIB([png12],
+               [png_create_write_struct],
+               [have_libpng="yes"; LIBPNG_LIBADD="-lpng12"],
+               [AC_CHECK_LIB([png10],
+                  [png_create_write_struct],
+                  [have_libpng="yes"; LIBPNG_LIBADD="-lpng10"],
+                  [have_libpng="no"])
+               ])
+            ])
+        ])
+   fi
+   if test "x${have_libpng}" = "xno" ; then
+      AC_MSG_WARN([Can not find a usuable PNG library. Make sure that CPPFLAGS and LDFLAGS are correctly set.])
+   fi
+fi
+
+if test "x${have_libpng}" = "xyes" ; then
+   M4RI_HAVE_LIBPNG=1
+   AC_SUBST(M4RI_HAVE_LIBPNG)
+   AC_SUBST(LIBPNG_LIBADD)
+else
+   M4RI_HAVE_LIBPNG=0
+   AC_SUBST(M4RI_HAVE_LIBPNG)
+fi
+
+RELEASE="AC_PACKAGE_VERSION"
+AC_SUBST(RELEASE)
+
+AC_PROG_MAKE_SET
+
+AC_CONFIG_FILES([Makefile testsuite/Makefile m4ri/m4ri_config.h m4ri.pc])
+AC_OUTPUT
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/depcomp b/src-light-solver/preprocess/m4ri-20140914/depcomp
new file mode 100755
index 0000000..4ebd5b3
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/depcomp
@@ -0,0 +1,791 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2013-05-30.07; # UTC
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputting dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+## Some versions of gcc put a space before the ':'.  On the theory
+## that the space means something, we add a space to the output as
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like '#:fec' to the end of the
+    # dependency line.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
+    echo >> "$depfile"
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  set_dir_from "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  set_dir_from  "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
+    sed -ne '2,${
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for ':'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+  "$@" $dashmflag |
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+        set fnord "$@"
+        shift
+        shift
+        ;;
+    *)
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/install-sh b/src-light-solver/preprocess/m4ri-20140914/install-sh
new file mode 100755
index 0000000..377bb86
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/install-sh
@@ -0,0 +1,527 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2011-11-20.07; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" ""	$nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+  doit_exec=exec
+else
+  doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+  test "$posix_glob" != "?" || {
+    if (set -f) 2>/dev/null; then
+      posix_glob=
+    else
+      posix_glob=:
+    fi
+  }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+	shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+	case $mode in
+	  *' '* | *'	'* | *'
+'*	  | *'*'* | *'?'* | *'['*)
+	    echo "$0: invalid mode: $mode" >&2
+	    exit 1;;
+	esac
+	shift;;
+
+    -o) chowncmd="$chownprog $2"
+	shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t) dst_arg=$2
+	# Protect names problematic for 'test' and other utilities.
+	case $dst_arg in
+	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
+	esac
+	shift;;
+
+    -T) no_target_directory=true;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --)	shift
+	break;;
+
+    -*)	echo "$0: invalid option: $1" >&2
+	exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call 'install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names problematic for 'test' and other utilities.
+  case $src in
+    -* | [=\(\)!]) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+    dst=$dst_arg
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dst_arg: Is a directory" >&2
+	exit 1
+      fi
+      dstdir=$dst
+      dst=$dstdir/`basename "$src"`
+      dstdir_status=0
+    else
+      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`
+	(dirname "$dst") 2>/dev/null ||
+	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	     X"$dst" : 'X\(//\)[^/]' \| \
+	     X"$dst" : 'X\(//\)$' \| \
+	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+	echo X"$dst" |
+	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)[^/].*/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\).*/{
+		   s//\1/
+		   q
+		 }
+		 s/.*/./; q'
+      `
+
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+	# Create intermediate dirs using mode 755 as modified by the umask.
+	# This is like FreeBSD 'install' as of 1997-10-28.
+	umask=`umask`
+	case $stripcmd.$umask in
+	  # Optimize common cases.
+	  *[2367][2367]) mkdir_umask=$umask;;
+	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+	  *[0-7])
+	    mkdir_umask=`expr $umask + 22 \
+	      - $umask % 100 % 40 + $umask % 20 \
+	      - $umask % 10 % 4 + $umask % 2
+	    `;;
+	  *) mkdir_umask=$umask,go-w;;
+	esac
+
+	# With -d, create the new directory with the user-specified mode.
+	# Otherwise, rely on $mkdir_umask.
+	if test -n "$dir_arg"; then
+	  mkdir_mode=-m$mode
+	else
+	  mkdir_mode=
+	fi
+
+	posix_mkdir=false
+	case $umask in
+	  *[123567][0-7][0-7])
+	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
+	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+	    ;;
+	  *)
+	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+	    if (umask $mkdir_umask &&
+		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+	    then
+	      if test -z "$dir_arg" || {
+		   # Check for POSIX incompatibilities with -m.
+		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+		   # other-writable bit of parent directory when it shouldn't.
+		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+		   case $ls_ld_tmpdir in
+		     d????-?r-*) different_mode=700;;
+		     d????-?--*) different_mode=755;;
+		     *) false;;
+		   esac &&
+		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+		   }
+		 }
+	      then posix_mkdir=:
+	      fi
+	      rmdir "$tmpdir/d" "$tmpdir"
+	    else
+	      # Remove any dirs left behind by ancient mkdir implementations.
+	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+	    fi
+	    trap '' 0;;
+	esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+	umask $mkdir_umask &&
+	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+	/*) prefix='/';;
+	[-=\(\)!]*) prefix='./';;
+	*)  prefix='';;
+      esac
+
+      eval "$initialize_posix_glob"
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob set -f
+      set fnord $dstdir
+      shift
+      $posix_glob set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+	test X"$d" = X && continue
+
+	prefix=$prefix$d
+	if test -d "$prefix"; then
+	  prefixes=
+	else
+	  if $posix_mkdir; then
+	    (umask=$mkdir_umask &&
+	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+	    # Don't fail if two instances are running concurrently.
+	    test -d "$prefix" || exit 1
+	  else
+	    case $prefix in
+	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+	      *) qprefix=$prefix;;
+	    esac
+	    prefixes="$prefixes '$qprefix'"
+	  fi
+	fi
+	prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+	# Don't fail if two instances are running concurrently.
+	(umask $mkdir_umask &&
+	 eval "\$doit_exec \$mkdirprog $prefixes") ||
+	  test -d "$dstdir" || exit 1
+	obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
+
+       eval "$initialize_posix_glob" &&
+       $posix_glob set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       $posix_glob set +f &&
+
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+	# Now remove or move aside any old file at destination location.
+	# We try this two ways since rm can't unlink itself on some
+	# systems and the destination file might be busy for other
+	# reasons.  In this case, the final cleanup might fail but the new
+	# file should still install successfully.
+	{
+	  test ! -f "$dst" ||
+	  $doit $rmcmd -f "$dst" 2>/dev/null ||
+	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+	  } ||
+	  { echo "$0: cannot unlink or rename $dst" >&2
+	    (exit 1); exit 1
+	  }
+	} &&
+
+	# Now rename the file to the real destination.
+	$doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/libm4ri.la b/src-light-solver/preprocess/m4ri-20140914/libm4ri.la
new file mode 100644
index 0000000..a977295
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/libm4ri.la
@@ -0,0 +1,41 @@
+# libm4ri.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='libm4ri-0.0.20140914.so'
+
+# Names of this library.
+library_names='libm4ri-0.0.20140914.so libm4ri-0.0.20140914.so libm4ri.so'
+
+# The name of the static archive.
+old_library='libm4ri.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libm4ri.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=no
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/usr/local/lib'
diff --git a/src-light-solver/preprocess/m4ri-20140914/libtool b/src-light-solver/preprocess/m4ri-20140914/libtool
new file mode 100755
index 0000000..34e12be
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/libtool
@@ -0,0 +1,10083 @@
+#! /bin/bash
+
+# libtool - Provide generalized library-building support services.
+# Generated automatically by config.status (m4ri) 20140914
+# Libtool was configured on host seed1:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+#                 Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags=""
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Which release of libtool.m4 was used?
+macro_version=2.4.2
+macro_revision=1.3337
+
+# Whether or not to build shared libraries.
+build_libtool_libs=yes
+
+# Whether or not to build static libraries.
+build_old_libs=yes
+
+# What type of objects to build.
+pic_mode=default
+
+# Whether or not to optimize for fast installation.
+fast_install=needless
+
+# Shell to use when invoking shell scripts.
+SHELL="/bin/bash"
+
+# An echo program that protects backslashes.
+ECHO="printf %s\\n"
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=":"
+
+# The host system.
+host_alias=
+host=x86_64-unknown-linux-gnu
+host_os=linux-gnu
+
+# The build system.
+build_alias=
+build=x86_64-unknown-linux-gnu
+build_os=linux-gnu
+
+# A sed program that does not truncate output.
+SED="/usr/bin/sed"
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP="/usr/bin/grep"
+
+# An ERE matcher.
+EGREP="/usr/bin/grep -E"
+
+# A literal string matcher.
+FGREP="/usr/bin/grep -F"
+
+# A BSD- or MS-compatible name lister.
+NM="/usr/bin/nm -B"
+
+# Whether we need soft or hard links.
+LN_S="ln -s"
+
+# What is the maximum length of a command?
+max_cmd_len=1572864
+
+# Object file suffix (normally "o").
+objext=o
+
+# Executable file suffix (normally "").
+exeext=
+
+# whether the shell understands "unset".
+lt_unset=unset
+
+# turn spaces into newlines.
+SP2NL="tr \\040 \\012"
+
+# turn newlines into spaces.
+NL2SP="tr \\015\\012 \\040\\040"
+
+# convert $build file names to $host format.
+to_host_file_cmd=func_convert_file_noop
+
+# convert $build files to toolchain format.
+to_tool_file_cmd=func_convert_file_noop
+
+# An object symbol dumper.
+OBJDUMP="objdump"
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method="pass_all"
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd="\$MAGIC_CMD"
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=""
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob="no"
+
+# DLL creation program.
+DLLTOOL="false"
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd="printf %s\\n"
+
+# The archiver.
+AR="ar"
+
+# Flags to create an archive.
+AR_FLAGS="cru"
+
+# How to feed a file listing to the archiver.
+archiver_list_spec="@"
+
+# A symbol stripping program.
+STRIP="strip"
+
+# Commands used to install an old-style archive.
+RANLIB="ranlib"
+old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$tool_oldlib"
+old_postuninstall_cmds=""
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=no
+
+# A C compiler.
+LTCC="gcc"
+
+# LTCC compiler flags.
+LTCFLAGS="-g -O2"
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe="sed -n -e 's/^.*[	 ]\\([ABCDGIRSTW][ABCDGIRSTW]*\\)[	 ][	 ]*\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2 \\2/p' | sed '/ __gnu_lto/d'"
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl="sed -n -e 's/^T .* \\(.*\\)\$/extern int \\1();/p' -e 's/^[ABCDGIRSTW]* .* \\(.*\\)\$/extern char \\1;/p'"
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address="sed -n -e 's/^: \\([^ ]*\\)[ ]*\$/  {\\\"\\1\\\", (void *) 0},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\([^ ]*\\)\$/  {\"\\2\", (void *) \\&\\2},/p'"
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \\([^ ]*\\)[ ]*\$/  {\\\"\\1\\\", (void *) 0},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\(lib[^ ]*\\)\$/  {\"\\2\", (void *) \\&\\2},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\([^ ]*\\)\$/  {\"lib\\2\", (void *) \\&\\2},/p'"
+
+# Specify filename containing input files for $NM.
+nm_file_list_spec="@"
+
+# The root where to search for dependent libraries,and in which our libraries should be installed.
+lt_sysroot=
+
+# The name of the directory that contains temporary libtool files.
+objdir=.libs
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=file
+
+# Must we lock files when doing compilation?
+need_locks="no"
+
+# Manifest tool.
+MANIFEST_TOOL=":"
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=""
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=""
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=""
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=""
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=""
+
+# Old archive suffix (normally "a").
+libext=a
+
+# Shared library suffix (normally ".so").
+shrext_cmds=".so"
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=""
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=no
+
+# Do we need a version for libraries?
+need_version=no
+
+# Library versioning type.
+version_type=linux
+
+# Shared library runtime path variable.
+runpath_var=LD_RUN_PATH
+
+# Shared library path variable.
+shlibpath_var=LD_LIBRARY_PATH
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=yes
+
+# Format of library name prefix.
+libname_spec="lib\$name"
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec="\${libname}\${release}\${shared_ext}\$versuffix \${libname}\${release}\${shared_ext}\$major \$libname\${shared_ext}"
+
+# The coded name of the library, if different from the real name.
+soname_spec="\${libname}\${release}\${shared_ext}\$major"
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=""
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=""
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=""
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds="PATH=\\\"\\\$PATH:/sbin\\\" ldconfig -n \$libdir"
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=""
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=yes
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec="/usr/lib/gcc/x86_64-linux-gnu/9 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib "
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /usr/local/lib/x86_64-linux-gnu /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu "
+
+# Whether dlopen is supported.
+dlopen_support=unknown
+
+# Whether dlopen of programs is supported.
+dlopen_self=unknown
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=unknown
+
+# Commands to strip libraries.
+old_striplib="strip --strip-debug"
+striplib="strip --strip-unneeded"
+
+
+# The linker used to build libraries.
+LD="/usr/bin/ld -m elf_x86_64"
+
+# How to create reloadable object files.
+reload_flag=" -r"
+reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
+
+# Commands used to build an old-style archive.
+old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$tool_oldlib"
+
+# A language specific compiler.
+CC="gcc"
+
+# Is the compiler the GNU compiler?
+with_gcc=yes
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=" -fno-builtin"
+
+# Additional compiler flags for building library objects.
+pic_flag=" -fPIC -DPIC"
+
+# How to pass a linker flag through the compiler.
+wl="-Wl,"
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag="-static"
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o="yes"
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=no
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=no
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec="\${wl}--export-dynamic"
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec="\${wl}--whole-archive\$convenience \${wl}--no-whole-archive"
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object="no"
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=""
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=""
+
+# Commands used to build a shared archive.
+archive_cmds="\$CC -shared \$pic_flag \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
+archive_expsym_cmds="echo \\\"{ global:\\\" > \$output_objdir/\$libname.ver~
+	    cat \$export_symbols | sed -e \\\"s/\\\\(.*\\\\)/\\\\1;/\\\" >> \$output_objdir/\$libname.ver~
+	    echo \\\"local: *; };\\\" >> \$output_objdir/\$libname.ver~
+	    \$CC -shared \$pic_flag \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=""
+module_expsym_cmds=""
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld="yes"
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=""
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=""
+
+# Flag to hardcode $libdir into a binary during linking.
+# This must work even if $libdir does not exist
+hardcode_libdir_flag_spec="\${wl}-rpath \${wl}\$libdir"
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=""
+
+# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=no
+
+# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting ${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=no
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=no
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=unsupported
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=no
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=no
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=no
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=no
+
+# The commands to list exported symbols.
+export_symbols_cmds="\$NM \$libobjs \$convenience | \$global_symbol_pipe | \$SED 's/.* //' | sort | uniq > \$export_symbols"
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms="_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*"
+
+# Symbols that must always be exported.
+include_expsyms=""
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=""
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=""
+
+# Specify filename containing input files.
+file_list_spec=""
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=immediate
+
+# ### END LIBTOOL CONFIG
+
+
+# libtool (GNU libtool) 2.4.2
+# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html,
+# or obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Usage: $progname [OPTION]... [MODE-ARG]...
+#
+# Provide generalized library-building support services.
+#
+#       --config             show all configuration variables
+#       --debug              enable verbose shell tracing
+#   -n, --dry-run            display commands without modifying any files
+#       --features           display basic configuration information and exit
+#       --mode=MODE          use operation mode MODE
+#       --preserve-dup-deps  don't remove duplicate dependency libraries
+#       --quiet, --silent    don't print informational messages
+#       --no-quiet, --no-silent
+#                            print informational messages (default)
+#       --no-warn            don't display warning messages
+#       --tag=TAG            use configuration variables from tag TAG
+#   -v, --verbose            print more informational messages than default
+#       --no-verbose         don't print the extra informational messages
+#       --version            print version information
+#   -h, --help, --help-all   print short, long, or detailed help message
+#
+# MODE must be one of the following:
+#
+#         clean              remove files from the build directory
+#         compile            compile a source file into a libtool object
+#         execute            automatically set library path, then run a program
+#         finish             complete the installation of libtool libraries
+#         install            install libraries or executables
+#         link               create a library or an executable
+#         uninstall          remove libraries from an installed directory
+#
+# MODE-ARGS vary depending on the MODE.  When passed as first option,
+# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that.
+# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
+#
+# When reporting a bug, please describe a test case to reproduce it and
+# include the following information:
+#
+#         host-triplet:	$host
+#         shell:		$SHELL
+#         compiler:		$LTCC
+#         compiler flags:		$LTCFLAGS
+#         linker:		$LD (gnu? $with_gnu_ld)
+#         $progname:	(GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#         automake:	$automake_version
+#         autoconf:	$autoconf_version
+#
+# Report bugs to <bug-libtool@gnu.org>.
+# GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+# General help using GNU software: <http://www.gnu.org/gethelp/>.
+
+PROGRAM=libtool
+PACKAGE=libtool
+VERSION="2.4.2 Debian-2.4.2-1.10"
+TIMESTAMP=""
+package_revision=1.3337
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# NLS nuisances: We save the old values to restore during execute mode.
+lt_user_locale=
+lt_safe_locale=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+  eval "if test \"\${$lt_var+set}\" = set; then
+          save_$lt_var=\$$lt_var
+          $lt_var=C
+	  export $lt_var
+	  lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
+	  lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+	fi"
+done
+LC_ALL=C
+LANGUAGE=C
+export LANGUAGE LC_ALL
+
+$lt_unset CDPATH
+
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+
+
+: ${CP="cp -f"}
+test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+: ${Xsed="$SED -e 1s/^X//"}
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+
+exit_status=$EXIT_SUCCESS
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" 	$lt_nl"
+
+dirname="s,/[^/]*$,,"
+basename="s,^.*/,,"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+    case ${1} in
+      */*) func_dirname_result="${1%/*}${2}" ;;
+      *  ) func_dirname_result="${3}" ;;
+    esac
+} # Extended-shell func_dirname implementation
+
+
+# func_basename file
+func_basename ()
+{
+    func_basename_result="${1##*/}"
+} # Extended-shell func_basename implementation
+
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+    case ${1} in
+      */*) func_dirname_result="${1%/*}${2}" ;;
+      *  ) func_dirname_result="${3}" ;;
+    esac
+    func_basename_result="${1##*/}"
+} # Extended-shell func_dirname_and_basename implementation
+
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+    # positional parameters, so assign one to ordinary parameter first.
+    func_stripname_result=${3}
+    func_stripname_result=${func_stripname_result#"${1}"}
+    func_stripname_result=${func_stripname_result%"${2}"}
+} # Extended-shell func_stripname implementation
+
+
+# These SED scripts presuppose an absolute path with a trailing slash.
+pathcar='s,^/\([^/]*\).*$,\1,'
+pathcdr='s,^/[^/]*,,'
+removedotparts=':dotsl
+		s@/\./@/@g
+		t dotsl
+		s,/\.$,/,'
+collapseslashes='s@/\{1,\}@/@g'
+finalslash='s,/*$,/,'
+
+# func_normal_abspath PATH
+# Remove doubled-up and trailing slashes, "." path components,
+# and cancel out any ".." path components in PATH after making
+# it an absolute path.
+#             value returned in "$func_normal_abspath_result"
+func_normal_abspath ()
+{
+  # Start from root dir and reassemble the path.
+  func_normal_abspath_result=
+  func_normal_abspath_tpath=$1
+  func_normal_abspath_altnamespace=
+  case $func_normal_abspath_tpath in
+    "")
+      # Empty path, that just means $cwd.
+      func_stripname '' '/' "`pwd`"
+      func_normal_abspath_result=$func_stripname_result
+      return
+    ;;
+    # The next three entries are used to spot a run of precisely
+    # two leading slashes without using negated character classes;
+    # we take advantage of case's first-match behaviour.
+    ///*)
+      # Unusual form of absolute path, do nothing.
+    ;;
+    //*)
+      # Not necessarily an ordinary path; POSIX reserves leading '//'
+      # and for example Cygwin uses it to access remote file shares
+      # over CIFS/SMB, so we conserve a leading double slash if found.
+      func_normal_abspath_altnamespace=/
+    ;;
+    /*)
+      # Absolute path, do nothing.
+    ;;
+    *)
+      # Relative path, prepend $cwd.
+      func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
+    ;;
+  esac
+  # Cancel out all the simple stuff to save iterations.  We also want
+  # the path to end with a slash for ease of parsing, so make sure
+  # there is one (and only one) here.
+  func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
+  while :; do
+    # Processed it all yet?
+    if test "$func_normal_abspath_tpath" = / ; then
+      # If we ascended to the root using ".." the result may be empty now.
+      if test -z "$func_normal_abspath_result" ; then
+        func_normal_abspath_result=/
+      fi
+      break
+    fi
+    func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$pathcar"`
+    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$pathcdr"`
+    # Figure out what to do with it
+    case $func_normal_abspath_tcomponent in
+      "")
+        # Trailing empty path component, ignore it.
+      ;;
+      ..)
+        # Parent dir; strip last assembled component from result.
+        func_dirname "$func_normal_abspath_result"
+        func_normal_abspath_result=$func_dirname_result
+      ;;
+      *)
+        # Actual path component, append it.
+        func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent
+      ;;
+    esac
+  done
+  # Restore leading double-slash if one was found on entry.
+  func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
+}
+
+# func_relative_path SRCDIR DSTDIR
+# generates a relative path from SRCDIR to DSTDIR, with a trailing
+# slash if non-empty, suitable for immediately appending a filename
+# without needing to append a separator.
+#             value returned in "$func_relative_path_result"
+func_relative_path ()
+{
+  func_relative_path_result=
+  func_normal_abspath "$1"
+  func_relative_path_tlibdir=$func_normal_abspath_result
+  func_normal_abspath "$2"
+  func_relative_path_tbindir=$func_normal_abspath_result
+
+  # Ascend the tree starting from libdir
+  while :; do
+    # check if we have found a prefix of bindir
+    case $func_relative_path_tbindir in
+      $func_relative_path_tlibdir)
+        # found an exact match
+        func_relative_path_tcancelled=
+        break
+        ;;
+      $func_relative_path_tlibdir*)
+        # found a matching prefix
+        func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+        func_relative_path_tcancelled=$func_stripname_result
+        if test -z "$func_relative_path_result"; then
+          func_relative_path_result=.
+        fi
+        break
+        ;;
+      *)
+        func_dirname $func_relative_path_tlibdir
+        func_relative_path_tlibdir=${func_dirname_result}
+        if test "x$func_relative_path_tlibdir" = x ; then
+          # Have to descend all the way to the root!
+          func_relative_path_result=../$func_relative_path_result
+          func_relative_path_tcancelled=$func_relative_path_tbindir
+          break
+        fi
+        func_relative_path_result=../$func_relative_path_result
+        ;;
+    esac
+  done
+
+  # Now calculate path; take care to avoid doubling-up slashes.
+  func_stripname '' '/' "$func_relative_path_result"
+  func_relative_path_result=$func_stripname_result
+  func_stripname '/' '/' "$func_relative_path_tcancelled"
+  if test "x$func_stripname_result" != x ; then
+    func_relative_path_result=${func_relative_path_result}/${func_stripname_result}
+  fi
+
+  # Normalisation. If bindir is libdir, return empty string,
+  # else relative path ending with a slash; either way, target
+  # file name can be directly appended.
+  if test ! -z "$func_relative_path_result"; then
+    func_stripname './' '' "$func_relative_path_result/"
+    func_relative_path_result=$func_stripname_result
+  fi
+}
+
+# The name of this program:
+func_dirname_and_basename "$progpath"
+progname=$func_basename_result
+
+# Make sure we have an absolute path for reexecution:
+case $progpath in
+  [\\/]*|[A-Za-z]:\\*) ;;
+  *[\\/]*)
+     progdir=$func_dirname_result
+     progdir=`cd "$progdir" && pwd`
+     progpath="$progdir/$progname"
+     ;;
+  *)
+     save_IFS="$IFS"
+     IFS=${PATH_SEPARATOR-:}
+     for progdir in $PATH; do
+       IFS="$save_IFS"
+       test -x "$progdir/$progname" && break
+     done
+     IFS="$save_IFS"
+     test -n "$progdir" || progdir=`pwd`
+     progpath="$progdir/$progname"
+     ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s,[].[^$\\*\/],\\&,g'
+
+# Sed substitution that converts a w32 file name or path
+# which contains forward slashes, into one that contains
+# (escaped) backslashes.  A very naive implementation.
+lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-`\' parameter expansions in output of double_quote_subst that were
+# `\'-ed in input to the same.  If an odd number of `\' preceded a '$'
+# in input to double_quote_subst, that '$' was protected from expansion.
+# Since each input `\' is now two `\'s, look for any number of runs of
+# four `\'s followed by two `\'s and then a '$'.  `\' that '$'.
+bs='\\'
+bs2='\\\\'
+bs4='\\\\\\\\'
+dollar='\$'
+sed_double_backslash="\
+  s/$bs4/&\\
+/g
+  s/^$bs2$dollar/$bs&/
+  s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
+  s/\n//g"
+
+# Standard options:
+opt_dry_run=false
+opt_help=false
+opt_quiet=false
+opt_verbose=false
+opt_warning=:
+
+# func_echo arg...
+# Echo program name prefixed message, along with the current mode
+# name if it has been set yet.
+func_echo ()
+{
+    $ECHO "$progname: ${opt_mode+$opt_mode: }$*"
+}
+
+# func_verbose arg...
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+    $opt_verbose && func_echo ${1+"$@"}
+
+    # A bug in bash halts the script if the last line of a function
+    # fails when set -e is in force, so we need another command to
+    # work around that:
+    :
+}
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+# func_error arg...
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+    $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2
+}
+
+# func_warning arg...
+# Echo program name prefixed warning message to standard error.
+func_warning ()
+{
+    $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2
+
+    # bash bug again:
+    :
+}
+
+# func_fatal_error arg...
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+    func_error ${1+"$@"}
+    exit $EXIT_FAILURE
+}
+
+# func_fatal_help arg...
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+    func_error ${1+"$@"}
+    func_fatal_error "$help"
+}
+help="Try \`$progname --help' for more information."  ## default
+
+
+# func_grep expression filename
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+    $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_mkdir_p directory-path
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+    my_directory_path="$1"
+    my_dir_list=
+
+    if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
+
+      # Protect directory names starting with `-'
+      case $my_directory_path in
+        -*) my_directory_path="./$my_directory_path" ;;
+      esac
+
+      # While some portion of DIR does not yet exist...
+      while test ! -d "$my_directory_path"; do
+        # ...make a list in topmost first order.  Use a colon delimited
+	# list incase some portion of path contains whitespace.
+        my_dir_list="$my_directory_path:$my_dir_list"
+
+        # If the last portion added has no slash in it, the list is done
+        case $my_directory_path in */*) ;; *) break ;; esac
+
+        # ...otherwise throw away the child directory and loop
+        my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"`
+      done
+      my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'`
+
+      save_mkdir_p_IFS="$IFS"; IFS=':'
+      for my_dir in $my_dir_list; do
+	IFS="$save_mkdir_p_IFS"
+        # mkdir can fail with a `File exist' error if two processes
+        # try to create one of the directories concurrently.  Don't
+        # stop in that case!
+        $MKDIR "$my_dir" 2>/dev/null || :
+      done
+      IFS="$save_mkdir_p_IFS"
+
+      # Bail out if we (or some other process) failed to create a directory.
+      test -d "$my_directory_path" || \
+        func_fatal_error "Failed to create \`$1'"
+    fi
+}
+
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+    my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+    if test "$opt_dry_run" = ":"; then
+      # Return a directory name, but don't create it in dry-run mode
+      my_tmpdir="${my_template}-$$"
+    else
+
+      # If mktemp works, use that first and foremost
+      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$my_tmpdir"; then
+        # Failing that, at least try and use $RANDOM to avoid a race
+        my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+        save_mktempdir_umask=`umask`
+        umask 0077
+        $MKDIR "$my_tmpdir"
+        umask $save_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$my_tmpdir" || \
+        func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
+    fi
+
+    $ECHO "$my_tmpdir"
+}
+
+
+# func_quote_for_eval arg
+# Aesthetically quote ARG to be evaled later.
+# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
+# is double-quoted, suitable for a subsequent eval, whereas
+# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
+# which are still active within double quotes backslashified.
+func_quote_for_eval ()
+{
+    case $1 in
+      *[\\\`\"\$]*)
+	func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;;
+      *)
+        func_quote_for_eval_unquoted_result="$1" ;;
+    esac
+
+    case $func_quote_for_eval_unquoted_result in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting, command substitution and and variable
+      # expansion for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
+        ;;
+      *)
+        func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
+    esac
+}
+
+
+# func_quote_for_expand arg
+# Aesthetically quote ARG to be evaled later; same as above,
+# but do not quote variable references.
+func_quote_for_expand ()
+{
+    case $1 in
+      *[\\\`\"]*)
+	my_arg=`$ECHO "$1" | $SED \
+	    -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+      *)
+        my_arg="$1" ;;
+    esac
+
+    case $my_arg in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting and command substitution for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        my_arg="\"$my_arg\""
+        ;;
+    esac
+
+    func_quote_for_expand_result="$my_arg"
+}
+
+
+# func_show_eval cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$my_cmd"
+      my_status=$?
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+
+# func_show_eval_locale cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.  Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$lt_user_locale
+	    $my_cmd"
+      my_status=$?
+      eval "$lt_safe_locale"
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+# func_tr_sh
+# Turn $1 into a string suitable for a shell variable name.
+# Result is stored in $func_tr_sh_result.  All characters
+# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
+# if $1 begins with a digit, a '_' is prepended as well.
+func_tr_sh ()
+{
+  case $1 in
+  [0-9]* | *[!a-zA-Z0-9_]*)
+    func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'`
+    ;;
+  * )
+    func_tr_sh_result=$1
+    ;;
+  esac
+}
+
+
+# func_version
+# Echo version message to standard output and exit.
+func_version ()
+{
+    $opt_debug
+
+    $SED -n '/(C)/!b go
+	:more
+	/\./!{
+	  N
+	  s/\n# / /
+	  b more
+	}
+	:go
+	/^# '$PROGRAM' (GNU /,/# warranty; / {
+        s/^# //
+	s/^# *$//
+        s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
+        p
+     }' < "$progpath"
+     exit $?
+}
+
+# func_usage
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+    $opt_debug
+
+    $SED -n '/^# Usage:/,/^#  *.*--help/ {
+        s/^# //
+	s/^# *$//
+	s/\$progname/'$progname'/
+	p
+    }' < "$progpath"
+    echo
+    $ECHO "run \`$progname --help | more' for full usage"
+    exit $?
+}
+
+# func_help [NOEXIT]
+# Echo long help message to standard output and exit,
+# unless 'noexit' is passed as argument.
+func_help ()
+{
+    $opt_debug
+
+    $SED -n '/^# Usage:/,/# Report bugs to/ {
+	:print
+        s/^# //
+	s/^# *$//
+	s*\$progname*'$progname'*
+	s*\$host*'"$host"'*
+	s*\$SHELL*'"$SHELL"'*
+	s*\$LTCC*'"$LTCC"'*
+	s*\$LTCFLAGS*'"$LTCFLAGS"'*
+	s*\$LD*'"$LD"'*
+	s/\$with_gnu_ld/'"$with_gnu_ld"'/
+	s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
+	s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
+	p
+	d
+     }
+     /^# .* home page:/b print
+     /^# General help using/b print
+     ' < "$progpath"
+    ret=$?
+    if test -z "$1"; then
+      exit $ret
+    fi
+}
+
+# func_missing_arg argname
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+    $opt_debug
+
+    func_error "missing argument for $1."
+    exit_cmd=exit
+}
+
+
+# func_split_short_opt shortopt
+# Set func_split_short_opt_name and func_split_short_opt_arg shell
+# variables after splitting SHORTOPT after the 2nd character.
+func_split_short_opt ()
+{
+    func_split_short_opt_arg=${1#??}
+    func_split_short_opt_name=${1%"$func_split_short_opt_arg"}
+} # Extended-shell func_split_short_opt implementation
+
+
+# func_split_long_opt longopt
+# Set func_split_long_opt_name and func_split_long_opt_arg shell
+# variables after splitting LONGOPT at the `=' sign.
+func_split_long_opt ()
+{
+    func_split_long_opt_name=${1%%=*}
+    func_split_long_opt_arg=${1#*=}
+} # Extended-shell func_split_long_opt implementation
+
+exit_cmd=:
+
+
+
+
+
+magic="%%%MAGIC variable%%%"
+magic_exe="%%%MAGIC EXE variable%%%"
+
+# Global variables.
+nonopt=
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+    eval "${1}+=\${2}"
+} # Extended-shell func_append implementation
+
+# func_append_quoted var value
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+func_append_quoted ()
+{
+    func_quote_for_eval "${2}"
+    eval "${1}+=\\ \$func_quote_for_eval_result"
+} # Extended-shell func_append_quoted implementation
+
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+    func_arith_result=$(( $* ))
+} # Extended-shell func_arith implementation
+
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+    func_len_result=${#1}
+} # Extended-shell func_len implementation
+
+
+# func_lo2o object
+func_lo2o ()
+{
+    case ${1} in
+      *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+      *)    func_lo2o_result=${1} ;;
+    esac
+} # Extended-shell func_lo2o implementation
+
+
+# func_xform libobj-or-source
+func_xform ()
+{
+    func_xform_result=${1%.*}.lo
+} # Extended-shell func_xform implementation
+
+
+# func_fatal_configuration arg...
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+    func_error ${1+"$@"}
+    func_error "See the $PACKAGE documentation for more information."
+    func_fatal_error "Fatal configuration error."
+}
+
+
+# func_config
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+    re_begincf='^# ### BEGIN LIBTOOL'
+    re_endcf='^# ### END LIBTOOL'
+
+    # Default configuration.
+    $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+    # Now print the configurations for the tags.
+    for tagname in $taglist; do
+      $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+    done
+
+    exit $?
+}
+
+# func_features
+# Display the features supported by this script.
+func_features ()
+{
+    echo "host: $host"
+    if test "$build_libtool_libs" = yes; then
+      echo "enable shared libraries"
+    else
+      echo "disable shared libraries"
+    fi
+    if test "$build_old_libs" = yes; then
+      echo "enable static libraries"
+    else
+      echo "disable static libraries"
+    fi
+
+    exit $?
+}
+
+# func_enable_tag tagname
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+  # Global variable:
+  tagname="$1"
+
+  re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+  re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+  sed_extractcf="/$re_begincf/,/$re_endcf/p"
+
+  # Validate tagname.
+  case $tagname in
+    *[!-_A-Za-z0-9,/]*)
+      func_fatal_error "invalid tag name: $tagname"
+      ;;
+  esac
+
+  # Don't test for the "default" C tag, as we know it's
+  # there but not specially marked.
+  case $tagname in
+    CC) ;;
+    *)
+      if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+	taglist="$taglist $tagname"
+
+	# Evaluate the configuration.  Be careful to quote the path
+	# and the sed script, to avoid splitting on whitespace, but
+	# also don't use non-portable quotes within backquotes within
+	# quotes we have to do it in 2 steps:
+	extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+	eval "$extractedcf"
+      else
+	func_error "ignoring unknown tag $tagname"
+      fi
+      ;;
+  esac
+}
+
+# func_check_version_match
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+  if test "$package_revision" != "$macro_revision"; then
+    if test "$VERSION" != "$macro_version"; then
+      if test -z "$macro_version"; then
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      else
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      fi
+    else
+      cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+    fi
+
+    exit $EXIT_MISMATCH
+  fi
+}
+
+
+# Shorthand for --mode=foo, only valid as the first argument
+case $1 in
+clean|clea|cle|cl)
+  shift; set dummy --mode clean ${1+"$@"}; shift
+  ;;
+compile|compil|compi|comp|com|co|c)
+  shift; set dummy --mode compile ${1+"$@"}; shift
+  ;;
+execute|execut|execu|exec|exe|ex|e)
+  shift; set dummy --mode execute ${1+"$@"}; shift
+  ;;
+finish|finis|fini|fin|fi|f)
+  shift; set dummy --mode finish ${1+"$@"}; shift
+  ;;
+install|instal|insta|inst|ins|in|i)
+  shift; set dummy --mode install ${1+"$@"}; shift
+  ;;
+link|lin|li|l)
+  shift; set dummy --mode link ${1+"$@"}; shift
+  ;;
+uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+  shift; set dummy --mode uninstall ${1+"$@"}; shift
+  ;;
+esac
+
+
+
+# Option defaults:
+opt_debug=:
+opt_dry_run=false
+opt_config=false
+opt_preserve_dup_deps=false
+opt_features=false
+opt_finish=false
+opt_help=false
+opt_help_all=false
+opt_silent=:
+opt_warning=:
+opt_verbose=:
+opt_silent=false
+opt_verbose=false
+
+
+# Parse options once, thoroughly.  This comes as soon as possible in the
+# script to make things like `--version' happen as quickly as we can.
+{
+  # this just eases exit handling
+  while test $# -gt 0; do
+    opt="$1"
+    shift
+    case $opt in
+      --debug|-x)	opt_debug='set -x'
+			func_echo "enabling shell trace mode"
+			$opt_debug
+			;;
+      --dry-run|--dryrun|-n)
+			opt_dry_run=:
+			;;
+      --config)
+			opt_config=:
+func_config
+			;;
+      --dlopen|-dlopen)
+			optarg="$1"
+			opt_dlopen="${opt_dlopen+$opt_dlopen
+}$optarg"
+			shift
+			;;
+      --preserve-dup-deps)
+			opt_preserve_dup_deps=:
+			;;
+      --features)
+			opt_features=:
+func_features
+			;;
+      --finish)
+			opt_finish=:
+set dummy --mode finish ${1+"$@"}; shift
+			;;
+      --help)
+			opt_help=:
+			;;
+      --help-all)
+			opt_help_all=:
+opt_help=': help-all'
+			;;
+      --mode)
+			test $# = 0 && func_missing_arg $opt && break
+			optarg="$1"
+			opt_mode="$optarg"
+case $optarg in
+  # Valid mode arguments:
+  clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+  # Catch anything else as an error
+  *) func_error "invalid argument for $opt"
+     exit_cmd=exit
+     break
+     ;;
+esac
+			shift
+			;;
+      --no-silent|--no-quiet)
+			opt_silent=false
+preserve_args+=" $opt"
+			;;
+      --no-warning|--no-warn)
+			opt_warning=false
+preserve_args+=" $opt"
+			;;
+      --no-verbose)
+			opt_verbose=false
+preserve_args+=" $opt"
+			;;
+      --silent|--quiet)
+			opt_silent=:
+preserve_args+=" $opt"
+        opt_verbose=false
+			;;
+      --verbose|-v)
+			opt_verbose=:
+preserve_args+=" $opt"
+opt_silent=false
+			;;
+      --tag)
+			test $# = 0 && func_missing_arg $opt && break
+			optarg="$1"
+			opt_tag="$optarg"
+preserve_args+=" $opt $optarg"
+func_enable_tag "$optarg"
+			shift
+			;;
+
+      -\?|-h)		func_usage				;;
+      --help)		func_help				;;
+      --version)	func_version				;;
+
+      # Separate optargs to long options:
+      --*=*)
+			func_split_long_opt "$opt"
+			set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"}
+			shift
+			;;
+
+      # Separate non-argument short options:
+      -\?*|-h*|-n*|-v*)
+			func_split_short_opt "$opt"
+			set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"}
+			shift
+			;;
+
+      --)		break					;;
+      -*)		func_fatal_help "unrecognized option \`$opt'" ;;
+      *)		set dummy "$opt" ${1+"$@"};	shift; break  ;;
+    esac
+  done
+
+  # Validate options:
+
+  # save first non-option argument
+  if test "$#" -gt 0; then
+    nonopt="$opt"
+    shift
+  fi
+
+  # preserve --debug
+  test "$opt_debug" = : || preserve_args+=" --debug"
+
+  case $host in
+    *cygwin* | *mingw* | *pw32* | *cegcc*)
+      # don't eliminate duplications in $postdeps and $predeps
+      opt_duplicate_compiler_generated_deps=:
+      ;;
+    *)
+      opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
+      ;;
+  esac
+
+  $opt_help || {
+    # Sanity checks first:
+    func_check_version_match
+
+    if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+      func_fatal_configuration "not configured to build any kind of library"
+    fi
+
+    # Darwin sucks
+    eval std_shrext=\"$shrext_cmds\"
+
+    # Only execute mode is allowed to have -dlopen flags.
+    if test -n "$opt_dlopen" && test "$opt_mode" != execute; then
+      func_error "unrecognized option \`-dlopen'"
+      $ECHO "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    # Change the help message to a mode-specific one.
+    generic_help="$help"
+    help="Try \`$progname --help --mode=$opt_mode' for more information."
+  }
+
+
+  # Bail if the options were screwed
+  $exit_cmd $EXIT_FAILURE
+}
+
+
+
+
+## ----------- ##
+##    Main.    ##
+## ----------- ##
+
+# func_lalib_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+    test -f "$1" &&
+      $SED -e 4q "$1" 2>/dev/null \
+        | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs.  To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway.  Works if `file' does not exist.
+func_lalib_unsafe_p ()
+{
+    lalib_p=no
+    if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
+	for lalib_p_l in 1 2 3 4
+	do
+	    read lalib_p_line
+	    case "$lalib_p_line" in
+		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+	    esac
+	done
+	exec 0<&5 5<&-
+    fi
+    test "$lalib_p" = yes
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+    func_lalib_p "$1"
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+    func_ltwrapper_exec_suffix=
+    case $1 in
+    *.exe) ;;
+    *) func_ltwrapper_exec_suffix=.exe ;;
+    esac
+    $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+    func_dirname_and_basename "$1" "" "."
+    func_stripname '' '.exe' "$func_basename_result"
+    func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+    func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+    $opt_debug
+    save_ifs=$IFS; IFS='~'
+    for cmd in $1; do
+      IFS=$save_ifs
+      eval cmd=\"$cmd\"
+      func_show_eval "$cmd" "${2-:}"
+    done
+    IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)!  Also, sourcing
+# `FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+    $opt_debug
+    case $1 in
+    */* | *\\*)	. "$1" ;;
+    *)		. "./$1" ;;
+    esac
+}
+
+
+# func_resolve_sysroot PATH
+# Replace a leading = in PATH with a sysroot.  Store the result into
+# func_resolve_sysroot_result
+func_resolve_sysroot ()
+{
+  func_resolve_sysroot_result=$1
+  case $func_resolve_sysroot_result in
+  =*)
+    func_stripname '=' '' "$func_resolve_sysroot_result"
+    func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
+    ;;
+  esac
+}
+
+# func_replace_sysroot PATH
+# If PATH begins with the sysroot, replace it with = and
+# store the result into func_replace_sysroot_result.
+func_replace_sysroot ()
+{
+  case "$lt_sysroot:$1" in
+  ?*:"$lt_sysroot"*)
+    func_stripname "$lt_sysroot" '' "$1"
+    func_replace_sysroot_result="=$func_stripname_result"
+    ;;
+  *)
+    # Including no sysroot.
+    func_replace_sysroot_result=$1
+    ;;
+  esac
+}
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+    $opt_debug
+    if test -n "$available_tags" && test -z "$tagname"; then
+      CC_quoted=
+      for arg in $CC; do
+	func_append_quoted CC_quoted "$arg"
+      done
+      CC_expanded=`func_echo_all $CC`
+      CC_quoted_expanded=`func_echo_all $CC_quoted`
+      case $@ in
+      # Blanks in the command may have been stripped by the calling shell,
+      # but not from the CC environment variable when configure was run.
+      " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+      " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
+      # Blanks at the start of $base_compile will cause this to fail
+      # if we don't check for them as well.
+      *)
+	for z in $available_tags; do
+	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+	    # Evaluate the configuration.
+	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    CC_quoted=
+	    for arg in $CC; do
+	      # Double-quote args containing other shell metacharacters.
+	      func_append_quoted CC_quoted "$arg"
+	    done
+	    CC_expanded=`func_echo_all $CC`
+	    CC_quoted_expanded=`func_echo_all $CC_quoted`
+	    case "$@ " in
+	    " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+	    " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
+	      # The compiler in the base compile command matches
+	      # the one in the tagged configuration.
+	      # Assume this is the tagged configuration we want.
+	      tagname=$z
+	      break
+	      ;;
+	    esac
+	  fi
+	done
+	# If $tagname still isn't set, then no tagged configuration
+	# was found and let the user know that the "--tag" command
+	# line option must be used.
+	if test -z "$tagname"; then
+	  func_echo "unable to infer tagged configuration"
+	  func_fatal_error "specify a tag with \`--tag'"
+#	else
+#	  func_verbose "using $tagname tagged configuration"
+	fi
+	;;
+      esac
+    fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+    write_libobj=${1}
+    if test "$build_libtool_libs" = yes; then
+      write_lobj=\'${2}\'
+    else
+      write_lobj=none
+    fi
+
+    if test "$build_old_libs" = yes; then
+      write_oldobj=\'${3}\'
+    else
+      write_oldobj=none
+    fi
+
+    $opt_dry_run || {
+      cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+      $MV "${write_libobj}T" "${write_libobj}"
+    }
+}
+
+
+##################################################
+# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
+##################################################
+
+# func_convert_core_file_wine_to_w32 ARG
+# Helper function used by file name conversion functions when $build is *nix,
+# and $host is mingw, cygwin, or some other w32 environment. Relies on a
+# correctly configured wine environment available, with the winepath program
+# in $build's $PATH.
+#
+# ARG is the $build file name to be converted to w32 format.
+# Result is available in $func_convert_core_file_wine_to_w32_result, and will
+# be empty on error (or when ARG is empty)
+func_convert_core_file_wine_to_w32 ()
+{
+  $opt_debug
+  func_convert_core_file_wine_to_w32_result="$1"
+  if test -n "$1"; then
+    # Unfortunately, winepath does not exit with a non-zero error code, so we
+    # are forced to check the contents of stdout. On the other hand, if the
+    # command is not found, the shell will set an exit code of 127 and print
+    # *an error message* to stdout. So we must check for both error code of
+    # zero AND non-empty stdout, which explains the odd construction:
+    func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
+    if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then
+      func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
+        $SED -e "$lt_sed_naive_backslashify"`
+    else
+      func_convert_core_file_wine_to_w32_result=
+    fi
+  fi
+}
+# end: func_convert_core_file_wine_to_w32
+
+
+# func_convert_core_path_wine_to_w32 ARG
+# Helper function used by path conversion functions when $build is *nix, and
+# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
+# configured wine environment available, with the winepath program in $build's
+# $PATH. Assumes ARG has no leading or trailing path separator characters.
+#
+# ARG is path to be converted from $build format to win32.
+# Result is available in $func_convert_core_path_wine_to_w32_result.
+# Unconvertible file (directory) names in ARG are skipped; if no directory names
+# are convertible, then the result may be empty.
+func_convert_core_path_wine_to_w32 ()
+{
+  $opt_debug
+  # unfortunately, winepath doesn't convert paths, only file names
+  func_convert_core_path_wine_to_w32_result=""
+  if test -n "$1"; then
+    oldIFS=$IFS
+    IFS=:
+    for func_convert_core_path_wine_to_w32_f in $1; do
+      IFS=$oldIFS
+      func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
+      if test -n "$func_convert_core_file_wine_to_w32_result" ; then
+        if test -z "$func_convert_core_path_wine_to_w32_result"; then
+          func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result"
+        else
+          func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
+        fi
+      fi
+    done
+    IFS=$oldIFS
+  fi
+}
+# end: func_convert_core_path_wine_to_w32
+
+
+# func_cygpath ARGS...
+# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
+# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
+# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
+# (2), returns the Cygwin file name or path in func_cygpath_result (input
+# file name or path is assumed to be in w32 format, as previously converted
+# from $build's *nix or MSYS format). In case (3), returns the w32 file name
+# or path in func_cygpath_result (input file name or path is assumed to be in
+# Cygwin format). Returns an empty string on error.
+#
+# ARGS are passed to cygpath, with the last one being the file name or path to
+# be converted.
+#
+# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
+# environment variable; do not put it in $PATH.
+func_cygpath ()
+{
+  $opt_debug
+  if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
+    func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
+    if test "$?" -ne 0; then
+      # on failure, ensure result is empty
+      func_cygpath_result=
+    fi
+  else
+    func_cygpath_result=
+    func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'"
+  fi
+}
+#end: func_cygpath
+
+
+# func_convert_core_msys_to_w32 ARG
+# Convert file name or path ARG from MSYS format to w32 format.  Return
+# result in func_convert_core_msys_to_w32_result.
+func_convert_core_msys_to_w32 ()
+{
+  $opt_debug
+  # awkward: cmd appends spaces to result
+  func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+    $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"`
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_file_check ARG1 ARG2
+# Verify that ARG1 (a file name in $build format) was converted to $host
+# format in ARG2. Otherwise, emit an error message, but continue (resetting
+# func_to_host_file_result to ARG1).
+func_convert_file_check ()
+{
+  $opt_debug
+  if test -z "$2" && test -n "$1" ; then
+    func_error "Could not determine host file name corresponding to"
+    func_error "  \`$1'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback:
+    func_to_host_file_result="$1"
+  fi
+}
+# end func_convert_file_check
+
+
+# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
+# Verify that FROM_PATH (a path in $build format) was converted to $host
+# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
+# func_to_host_file_result to a simplistic fallback value (see below).
+func_convert_path_check ()
+{
+  $opt_debug
+  if test -z "$4" && test -n "$3"; then
+    func_error "Could not determine the host path corresponding to"
+    func_error "  \`$3'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback.  This is a deliberately simplistic "conversion" and
+    # should not be "improved".  See libtool.info.
+    if test "x$1" != "x$2"; then
+      lt_replace_pathsep_chars="s|$1|$2|g"
+      func_to_host_path_result=`echo "$3" |
+        $SED -e "$lt_replace_pathsep_chars"`
+    else
+      func_to_host_path_result="$3"
+    fi
+  fi
+}
+# end func_convert_path_check
+
+
+# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
+# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
+# and appending REPL if ORIG matches BACKPAT.
+func_convert_path_front_back_pathsep ()
+{
+  $opt_debug
+  case $4 in
+  $1 ) func_to_host_path_result="$3$func_to_host_path_result"
+    ;;
+  esac
+  case $4 in
+  $2 ) func_to_host_path_result+="$3"
+    ;;
+  esac
+}
+# end func_convert_path_front_back_pathsep
+
+
+##################################################
+# $build to $host FILE NAME CONVERSION FUNCTIONS #
+##################################################
+# invoked via `$to_host_file_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# Result will be available in $func_to_host_file_result.
+
+
+# func_to_host_file ARG
+# Converts the file name ARG from $build format to $host format. Return result
+# in func_to_host_file_result.
+func_to_host_file ()
+{
+  $opt_debug
+  $to_host_file_cmd "$1"
+}
+# end func_to_host_file
+
+
+# func_to_tool_file ARG LAZY
+# converts the file name ARG from $build format to toolchain format. Return
+# result in func_to_tool_file_result.  If the conversion in use is listed
+# in (the comma separated) LAZY, no conversion takes place.
+func_to_tool_file ()
+{
+  $opt_debug
+  case ,$2, in
+    *,"$to_tool_file_cmd",*)
+      func_to_tool_file_result=$1
+      ;;
+    *)
+      $to_tool_file_cmd "$1"
+      func_to_tool_file_result=$func_to_host_file_result
+      ;;
+  esac
+}
+# end func_to_tool_file
+
+
+# func_convert_file_noop ARG
+# Copy ARG to func_to_host_file_result.
+func_convert_file_noop ()
+{
+  func_to_host_file_result="$1"
+}
+# end func_convert_file_noop
+
+
+# func_convert_file_msys_to_w32 ARG
+# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_file_result.
+func_convert_file_msys_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_to_host_file_result="$func_convert_core_msys_to_w32_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_w32
+
+
+# func_convert_file_cygwin_to_w32 ARG
+# Convert file name ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_file_cygwin_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
+    # LT_CYGPATH in this case.
+    func_to_host_file_result=`cygpath -m "$1"`
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_cygwin_to_w32
+
+
+# func_convert_file_nix_to_w32 ARG
+# Convert file name ARG from *nix to w32 format.  Requires a wine environment
+# and a working winepath. Returns result in func_to_host_file_result.
+func_convert_file_nix_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_file_wine_to_w32 "$1"
+    func_to_host_file_result="$func_convert_core_file_wine_to_w32_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_w32
+
+
+# func_convert_file_msys_to_cygwin ARG
+# Convert file name ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_file_msys_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_msys_to_w32_result"
+    func_to_host_file_result="$func_cygpath_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_cygwin
+
+
+# func_convert_file_nix_to_cygwin ARG
+# Convert file name ARG from *nix to Cygwin format.  Requires Cygwin installed
+# in a wine environment, working winepath, and LT_CYGPATH set.  Returns result
+# in func_to_host_file_result.
+func_convert_file_nix_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
+    func_convert_core_file_wine_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
+    func_to_host_file_result="$func_cygpath_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_cygwin
+
+
+#############################################
+# $build to $host PATH CONVERSION FUNCTIONS #
+#############################################
+# invoked via `$to_host_path_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# The result will be available in $func_to_host_path_result.
+#
+# Path separators are also converted from $build format to $host format.  If
+# ARG begins or ends with a path separator character, it is preserved (but
+# converted to $host format) on output.
+#
+# All path conversion functions are named using the following convention:
+#   file name conversion function    : func_convert_file_X_to_Y ()
+#   path conversion function         : func_convert_path_X_to_Y ()
+# where, for any given $build/$host combination the 'X_to_Y' value is the
+# same.  If conversion functions are added for new $build/$host combinations,
+# the two new functions must follow this pattern, or func_init_to_host_path_cmd
+# will break.
+
+
+# func_init_to_host_path_cmd
+# Ensures that function "pointer" variable $to_host_path_cmd is set to the
+# appropriate value, based on the value of $to_host_file_cmd.
+to_host_path_cmd=
+func_init_to_host_path_cmd ()
+{
+  $opt_debug
+  if test -z "$to_host_path_cmd"; then
+    func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
+    to_host_path_cmd="func_convert_path_${func_stripname_result}"
+  fi
+}
+
+
+# func_to_host_path ARG
+# Converts the path ARG from $build format to $host format. Return result
+# in func_to_host_path_result.
+func_to_host_path ()
+{
+  $opt_debug
+  func_init_to_host_path_cmd
+  $to_host_path_cmd "$1"
+}
+# end func_to_host_path
+
+
+# func_convert_path_noop ARG
+# Copy ARG to func_to_host_path_result.
+func_convert_path_noop ()
+{
+  func_to_host_path_result="$1"
+}
+# end func_convert_path_noop
+
+
+# func_convert_path_msys_to_w32 ARG
+# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_path_result.
+func_convert_path_msys_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from ARG.  MSYS
+    # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
+    # and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result="$func_convert_core_msys_to_w32_result"
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_msys_to_w32
+
+
+# func_convert_path_cygwin_to_w32 ARG
+# Convert path ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_path_cygwin_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_cygwin_to_w32
+
+
+# func_convert_path_nix_to_w32 ARG
+# Convert path ARG from *nix to w32 format.  Requires a wine environment and
+# a working winepath.  Returns result in func_to_host_file_result.
+func_convert_path_nix_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result="$func_convert_core_path_wine_to_w32_result"
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_nix_to_w32
+
+
+# func_convert_path_msys_to_cygwin ARG
+# Convert path ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_path_msys_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+    func_to_host_path_result="$func_cygpath_result"
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_msys_to_cygwin
+
+
+# func_convert_path_nix_to_cygwin ARG
+# Convert path ARG from *nix to Cygwin format.  Requires Cygwin installed in a
+# a wine environment, working winepath, and LT_CYGPATH set.  Returns result in
+# func_to_host_file_result.
+func_convert_path_nix_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from
+    # ARG. msys behavior is inconsistent here, cygpath turns them
+    # into '.;' and ';.', and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
+    func_to_host_path_result="$func_cygpath_result"
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_nix_to_cygwin
+
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+    $opt_debug
+    # Get the compilation command and the source file.
+    base_compile=
+    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
+    suppress_opt=yes
+    suppress_output=
+    arg_mode=normal
+    libobj=
+    later=
+    pie_flag=
+
+    for arg
+    do
+      case $arg_mode in
+      arg  )
+	# do not "continue".  Instead, add this to base_compile
+	lastarg="$arg"
+	arg_mode=normal
+	;;
+
+      target )
+	libobj="$arg"
+	arg_mode=normal
+	continue
+	;;
+
+      normal )
+	# Accept any command-line options.
+	case $arg in
+	-o)
+	  test -n "$libobj" && \
+	    func_fatal_error "you cannot specify \`-o' more than once"
+	  arg_mode=target
+	  continue
+	  ;;
+
+	-pie | -fpie | -fPIE)
+          pie_flag+=" $arg"
+	  continue
+	  ;;
+
+	-shared | -static | -prefer-pic | -prefer-non-pic)
+	  later+=" $arg"
+	  continue
+	  ;;
+
+	-no-suppress)
+	  suppress_opt=no
+	  continue
+	  ;;
+
+	-Xcompiler)
+	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
+	  continue      #  The current "srcfile" will either be retained or
+	  ;;            #  replaced later.  I would guess that would be a bug.
+
+	-Wc,*)
+	  func_stripname '-Wc,' '' "$arg"
+	  args=$func_stripname_result
+	  lastarg=
+	  save_ifs="$IFS"; IFS=','
+	  for arg in $args; do
+	    IFS="$save_ifs"
+	    func_append_quoted lastarg "$arg"
+	  done
+	  IFS="$save_ifs"
+	  func_stripname ' ' '' "$lastarg"
+	  lastarg=$func_stripname_result
+
+	  # Add the arguments to base_compile.
+	  base_compile+=" $lastarg"
+	  continue
+	  ;;
+
+	*)
+	  # Accept the current argument as the source file.
+	  # The previous "srcfile" becomes the current argument.
+	  #
+	  lastarg="$srcfile"
+	  srcfile="$arg"
+	  ;;
+	esac  #  case $arg
+	;;
+      esac    #  case $arg_mode
+
+      # Aesthetically quote the previous argument.
+      func_append_quoted base_compile "$lastarg"
+    done # for arg
+
+    case $arg_mode in
+    arg)
+      func_fatal_error "you must specify an argument for -Xcompile"
+      ;;
+    target)
+      func_fatal_error "you must specify a target with \`-o'"
+      ;;
+    *)
+      # Get the name of the library object.
+      test -z "$libobj" && {
+	func_basename "$srcfile"
+	libobj="$func_basename_result"
+      }
+      ;;
+    esac
+
+    # Recognize several different file suffixes.
+    # If the user specifies -o file.o, it is replaced with file.lo
+    case $libobj in
+    *.[cCFSifmso] | \
+    *.ada | *.adb | *.ads | *.asm | \
+    *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+    *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
+      func_xform "$libobj"
+      libobj=$func_xform_result
+      ;;
+    esac
+
+    case $libobj in
+    *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+    *)
+      func_fatal_error "cannot determine name of library object from \`$libobj'"
+      ;;
+    esac
+
+    func_infer_tag $base_compile
+
+    for arg in $later; do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	continue
+	;;
+
+      -static)
+	build_libtool_libs=no
+	build_old_libs=yes
+	continue
+	;;
+
+      -prefer-pic)
+	pic_mode=yes
+	continue
+	;;
+
+      -prefer-non-pic)
+	pic_mode=no
+	continue
+	;;
+      esac
+    done
+
+    func_quote_for_eval "$libobj"
+    test "X$libobj" != "X$func_quote_for_eval_result" \
+      && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"'	 &()|`$[]' \
+      && func_warning "libobj name \`$libobj' may not contain shell special characters."
+    func_dirname_and_basename "$obj" "/" ""
+    objname="$func_basename_result"
+    xdir="$func_dirname_result"
+    lobj=${xdir}$objdir/$objname
+
+    test -z "$base_compile" && \
+      func_fatal_help "you must specify a compilation command"
+
+    # Delete any leftover library objects.
+    if test "$build_old_libs" = yes; then
+      removelist="$obj $lobj $libobj ${libobj}T"
+    else
+      removelist="$lobj $libobj ${libobj}T"
+    fi
+
+    # On Cygwin there's no "real" PIC flag so we must build both object types
+    case $host_os in
+    cygwin* | mingw* | pw32* | os2* | cegcc*)
+      pic_mode=default
+      ;;
+    esac
+    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+      # non-PIC code in shared libraries is not supported
+      pic_mode=default
+    fi
+
+    # Calculate the filename of the output object if compiler does
+    # not support -o with -c
+    if test "$compiler_c_o" = no; then
+      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext}
+      lockfile="$output_obj.lock"
+    else
+      output_obj=
+      need_locks=no
+      lockfile=
+    fi
+
+    # Lock this critical section if it is needed
+    # We use this script file to make the link, it avoids creating a new file
+    if test "$need_locks" = yes; then
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    elif test "$need_locks" = warn; then
+      if test -f "$lockfile"; then
+	$ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+      removelist+=" $output_obj"
+      $ECHO "$srcfile" > "$lockfile"
+    fi
+
+    $opt_dry_run || $RM $removelist
+    removelist+=" $lockfile"
+    trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+    func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
+    srcfile=$func_to_tool_file_result
+    func_quote_for_eval "$srcfile"
+    qsrcfile=$func_quote_for_eval_result
+
+    # Only build a PIC object if we are building libtool libraries.
+    if test "$build_libtool_libs" = yes; then
+      # Without this assignment, base_compile gets emptied.
+      fbsd_hideous_sh_bug=$base_compile
+
+      if test "$pic_mode" != no; then
+	command="$base_compile $qsrcfile $pic_flag"
+      else
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      fi
+
+      func_mkdir_p "$xdir$objdir"
+
+      if test -z "$output_obj"; then
+	# Place PIC objects in $objdir
+	command+=" -o $lobj"
+      fi
+
+      func_show_eval_locale "$command"	\
+          'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed, then go on to compile the next one
+      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+	func_show_eval '$MV "$output_obj" "$lobj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+
+      # Allow error messages only from the first compilation.
+      if test "$suppress_opt" = yes; then
+	suppress_output=' >/dev/null 2>&1'
+      fi
+    fi
+
+    # Only build a position-dependent object if we build old libraries.
+    if test "$build_old_libs" = yes; then
+      if test "$pic_mode" != yes; then
+	# Don't build PIC code
+	command="$base_compile $qsrcfile$pie_flag"
+      else
+	command="$base_compile $qsrcfile $pic_flag"
+      fi
+      if test "$compiler_c_o" = yes; then
+	command+=" -o $obj"
+      fi
+
+      # Suppress compiler output if we already did a PIC compilation.
+      command+="$suppress_output"
+      func_show_eval_locale "$command" \
+        '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed
+      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+	func_show_eval '$MV "$output_obj" "$obj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+    fi
+
+    $opt_dry_run || {
+      func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+      # Unlock the critical section if it was locked
+      if test "$need_locks" != no; then
+	removelist=$lockfile
+        $RM "$lockfile"
+      fi
+    }
+
+    exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+  test "$opt_mode" = compile && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+    # We need to display help for each of the modes.
+    case $opt_mode in
+      "")
+        # Generic help is extracted from the usage comments
+        # at the start of this file.
+        func_help
+        ;;
+
+      clean)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      compile)
+      $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
+  -no-suppress      do not suppress compiler output for multiple passes
+  -prefer-pic       try to build PIC objects only
+  -prefer-non-pic   try to build non-PIC objects only
+  -shared           do not build a \`.o' file suitable for static linking
+  -static           only build a \`.o' file suitable for static linking
+  -Wc,FLAG          pass FLAG directly to the compiler
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+        ;;
+
+      execute)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+  -dlopen FILE      add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+        ;;
+
+      finish)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges.  Use
+the \`--dry-run' option if you just want to see what would be executed."
+        ;;
+
+      install)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command.  The first component should be
+either the \`install' or \`cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+  -inst-prefix-dir PREFIX-DIR  Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+        ;;
+
+      link)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+  -all-static       do not do any dynamic linking at all
+  -avoid-version    do not add a version suffix if possible
+  -bindir BINDIR    specify path to binaries directory (for systems where
+                    libraries must be found in the PATH setting at runtime)
+  -dlopen FILE      \`-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
+  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+  -export-symbols SYMFILE
+                    try to export only the symbols listed in SYMFILE
+  -export-symbols-regex REGEX
+                    try to export only the symbols matching REGEX
+  -LLIBDIR          search LIBDIR for required installed libraries
+  -lNAME            OUTPUT-FILE requires the installed library libNAME
+  -module           build a library that can dlopened
+  -no-fast-install  disable the fast-install mode
+  -no-install       link a not-installable executable
+  -no-undefined     declare that a library does not refer to external symbols
+  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
+  -objectlist FILE  Use a list of object files found in FILE to specify objects
+  -precious-files-regex REGEX
+                    don't remove output files matching REGEX
+  -release RELEASE  specify package release information
+  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
+  -R[ ]LIBDIR       add LIBDIR to the runtime path of programs and libraries
+  -shared           only do dynamic linking of libtool libraries
+  -shrext SUFFIX    override the standard shared library file extension
+  -static           do not do any dynamic linking of uninstalled libtool libraries
+  -static-libtool-libs
+                    do not do any dynamic linking of libtool libraries
+  -version-info CURRENT[:REVISION[:AGE]]
+                    specify library version info [each variable defaults to 0]
+  -weak LIBNAME     declare that the target provides the LIBNAME interface
+  -Wc,FLAG
+  -Xcompiler FLAG   pass linker-specific FLAG directly to the compiler
+  -Wl,FLAG
+  -Xlinker FLAG     pass linker-specific FLAG directly to the linker
+  -XCClinker FLAG   pass link-specific FLAG to the compiler driver (CC)
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename.  Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+        ;;
+
+      uninstall)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      *)
+        func_fatal_help "invalid operation mode \`$opt_mode'"
+        ;;
+    esac
+
+    echo
+    $ECHO "Try \`$progname --help' for more information about other modes."
+}
+
+# Now that we've collected a possible --mode arg, show help if necessary
+if $opt_help; then
+  if test "$opt_help" = :; then
+    func_mode_help
+  else
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	func_mode_help
+      done
+    } | sed -n '1p; 2,$s/^Usage:/  or: /p'
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	echo
+	func_mode_help
+      done
+    } |
+    sed '1d
+      /^When reporting/,/^Report/{
+	H
+	d
+      }
+      $x
+      /information about other modes/d
+      /more detailed .*MODE/d
+      s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/'
+  fi
+  exit $?
+fi
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+    $opt_debug
+    # The first argument is the command name.
+    cmd="$nonopt"
+    test -z "$cmd" && \
+      func_fatal_help "you must specify a COMMAND"
+
+    # Handle -dlopen flags immediately.
+    for file in $opt_dlopen; do
+      test -f "$file" \
+	|| func_fatal_help "\`$file' is not a file"
+
+      dir=
+      case $file in
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$lib' is not a valid libtool archive"
+
+	# Read the libtool library.
+	dlname=
+	library_names=
+	func_source "$file"
+
+	# Skip this library if it cannot be dlopened.
+	if test -z "$dlname"; then
+	  # Warn if it was a shared library.
+	  test -n "$library_names" && \
+	    func_warning "\`$file' was not linked with \`-export-dynamic'"
+	  continue
+	fi
+
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+
+	if test -f "$dir/$objdir/$dlname"; then
+	  dir+="/$objdir"
+	else
+	  if test ! -f "$dir/$dlname"; then
+	    func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+	  fi
+	fi
+	;;
+
+      *.lo)
+	# Just add the directory containing the .lo file.
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+	;;
+
+      *)
+	func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+	continue
+	;;
+      esac
+
+      # Get the absolute pathname.
+      absdir=`cd "$dir" && pwd`
+      test -n "$absdir" && dir="$absdir"
+
+      # Now add the directory to shlibpath_var.
+      if eval "test -z \"\$$shlibpath_var\""; then
+	eval "$shlibpath_var=\"\$dir\""
+      else
+	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+      fi
+    done
+
+    # This variable tells wrapper scripts just to set shlibpath_var
+    # rather than running their programs.
+    libtool_execute_magic="$magic"
+
+    # Check if any of the arguments is a wrapper script.
+    args=
+    for file
+    do
+      case $file in
+      -* | *.la | *.lo ) ;;
+      *)
+	# Do a test to see if this is really a libtool program.
+	if func_ltwrapper_script_p "$file"; then
+	  func_source "$file"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	elif func_ltwrapper_executable_p "$file"; then
+	  func_ltwrapper_scriptname "$file"
+	  func_source "$func_ltwrapper_scriptname_result"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	fi
+	;;
+      esac
+      # Quote arguments (to preserve shell metacharacters).
+      func_append_quoted args "$file"
+    done
+
+    if test "X$opt_dry_run" = Xfalse; then
+      if test -n "$shlibpath_var"; then
+	# Export the shlibpath_var.
+	eval "export $shlibpath_var"
+      fi
+
+      # Restore saved environment variables
+      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+      do
+	eval "if test \"\${save_$lt_var+set}\" = set; then
+                $lt_var=\$save_$lt_var; export $lt_var
+	      else
+		$lt_unset $lt_var
+	      fi"
+      done
+
+      # Now prepare to actually exec the command.
+      exec_cmd="\$cmd$args"
+    else
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+	echo "export $shlibpath_var"
+      fi
+      $ECHO "$cmd$args"
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$opt_mode" = execute && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+    $opt_debug
+    libs=
+    libdirs=
+    admincmds=
+
+    for opt in "$nonopt" ${1+"$@"}
+    do
+      if test -d "$opt"; then
+	libdirs+=" $opt"
+
+      elif test -f "$opt"; then
+	if func_lalib_unsafe_p "$opt"; then
+	  libs+=" $opt"
+	else
+	  func_warning "\`$opt' is not a valid libtool archive"
+	fi
+
+      else
+	func_fatal_error "invalid argument \`$opt'"
+      fi
+    done
+
+    if test -n "$libs"; then
+      if test -n "$lt_sysroot"; then
+        sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
+        sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;"
+      else
+        sysroot_cmd=
+      fi
+
+      # Remove sysroot references
+      if $opt_dry_run; then
+        for lib in $libs; do
+          echo "removing references to $lt_sysroot and \`=' prefixes from $lib"
+        done
+      else
+        tmpdir=`func_mktempdir`
+        for lib in $libs; do
+	  sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+	    > $tmpdir/tmp-la
+	  mv -f $tmpdir/tmp-la $lib
+	done
+        ${RM}r "$tmpdir"
+      fi
+    fi
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      for libdir in $libdirs; do
+	if test -n "$finish_cmds"; then
+	  # Do each command in the finish commands.
+	  func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+	fi
+	if test -n "$finish_eval"; then
+	  # Do the single finish_eval.
+	  eval cmds=\"$finish_eval\"
+	  $opt_dry_run || eval "$cmds" || admincmds+="
+       $cmds"
+	fi
+      done
+    fi
+
+    # Exit here if they wanted silent mode.
+    $opt_silent && exit $EXIT_SUCCESS
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      echo "----------------------------------------------------------------------"
+      echo "Libraries have been installed in:"
+      for libdir in $libdirs; do
+	$ECHO "   $libdir"
+      done
+      echo
+      echo "If you ever happen to want to link against installed libraries"
+      echo "in a given directory, LIBDIR, you must either use libtool, and"
+      echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+      echo "flag during linking and do at least one of the following:"
+      if test -n "$shlibpath_var"; then
+	echo "   - add LIBDIR to the \`$shlibpath_var' environment variable"
+	echo "     during execution"
+      fi
+      if test -n "$runpath_var"; then
+	echo "   - add LIBDIR to the \`$runpath_var' environment variable"
+	echo "     during linking"
+      fi
+      if test -n "$hardcode_libdir_flag_spec"; then
+	libdir=LIBDIR
+	eval flag=\"$hardcode_libdir_flag_spec\"
+
+	$ECHO "   - use the \`$flag' linker flag"
+      fi
+      if test -n "$admincmds"; then
+	$ECHO "   - have your system administrator run these commands:$admincmds"
+      fi
+      if test -f /etc/ld.so.conf; then
+	echo "   - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+      fi
+      echo
+
+      echo "See any operating system documentation about shared libraries for"
+      case $host in
+	solaris2.[6789]|solaris2.1[0-9])
+	  echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+	  echo "pages."
+	  ;;
+	*)
+	  echo "more information, such as the ld(1) and ld.so(8) manual pages."
+	  ;;
+      esac
+      echo "----------------------------------------------------------------------"
+    fi
+    exit $EXIT_SUCCESS
+}
+
+test "$opt_mode" = finish && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+    $opt_debug
+    # There may be an optional sh(1) argument at the beginning of
+    # install_prog (especially on Windows NT).
+    if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+       # Allow the use of GNU shtool's install command.
+       case $nonopt in *shtool*) :;; *) false;; esac; then
+      # Aesthetically quote it.
+      func_quote_for_eval "$nonopt"
+      install_prog="$func_quote_for_eval_result "
+      arg=$1
+      shift
+    else
+      install_prog=
+      arg=$nonopt
+    fi
+
+    # The real first argument should be the name of the installation program.
+    # Aesthetically quote it.
+    func_quote_for_eval "$arg"
+    install_prog+="$func_quote_for_eval_result"
+    install_shared_prog=$install_prog
+    case " $install_prog " in
+      *[\\\ /]cp\ *) install_cp=: ;;
+      *) install_cp=false ;;
+    esac
+
+    # We need to accept at least all the BSD install flags.
+    dest=
+    files=
+    opts=
+    prev=
+    install_type=
+    isdir=no
+    stripme=
+    no_mode=:
+    for arg
+    do
+      arg2=
+      if test -n "$dest"; then
+	files+=" $dest"
+	dest=$arg
+	continue
+      fi
+
+      case $arg in
+      -d) isdir=yes ;;
+      -f)
+	if $install_cp; then :; else
+	  prev=$arg
+	fi
+	;;
+      -g | -m | -o)
+	prev=$arg
+	;;
+      -s)
+	stripme=" -s"
+	continue
+	;;
+      -*)
+	;;
+      *)
+	# If the previous option needed an argument, then skip it.
+	if test -n "$prev"; then
+	  if test "x$prev" = x-m && test -n "$install_override_mode"; then
+	    arg2=$install_override_mode
+	    no_mode=false
+	  fi
+	  prev=
+	else
+	  dest=$arg
+	  continue
+	fi
+	;;
+      esac
+
+      # Aesthetically quote the argument.
+      func_quote_for_eval "$arg"
+      install_prog+=" $func_quote_for_eval_result"
+      if test -n "$arg2"; then
+	func_quote_for_eval "$arg2"
+      fi
+      install_shared_prog+=" $func_quote_for_eval_result"
+    done
+
+    test -z "$install_prog" && \
+      func_fatal_help "you must specify an install program"
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prev' option requires an argument"
+
+    if test -n "$install_override_mode" && $no_mode; then
+      if $install_cp; then :; else
+	func_quote_for_eval "$install_override_mode"
+	install_shared_prog+=" -m $func_quote_for_eval_result"
+      fi
+    fi
+
+    if test -z "$files"; then
+      if test -z "$dest"; then
+	func_fatal_help "no file or destination specified"
+      else
+	func_fatal_help "you must specify a destination"
+      fi
+    fi
+
+    # Strip any trailing slash from the destination.
+    func_stripname '' '/' "$dest"
+    dest=$func_stripname_result
+
+    # Check to see that the destination is a directory.
+    test -d "$dest" && isdir=yes
+    if test "$isdir" = yes; then
+      destdir="$dest"
+      destname=
+    else
+      func_dirname_and_basename "$dest" "" "."
+      destdir="$func_dirname_result"
+      destname="$func_basename_result"
+
+      # Not a directory, so check to see that there is only one file specified.
+      set dummy $files; shift
+      test "$#" -gt 1 && \
+	func_fatal_help "\`$dest' is not a directory"
+    fi
+    case $destdir in
+    [\\/]* | [A-Za-z]:[\\/]*) ;;
+    *)
+      for file in $files; do
+	case $file in
+	*.lo) ;;
+	*)
+	  func_fatal_help "\`$destdir' must be an absolute directory name"
+	  ;;
+	esac
+      done
+      ;;
+    esac
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    staticlibs=
+    future_libdirs=
+    current_libdirs=
+    for file in $files; do
+
+      # Do each installation.
+      case $file in
+      *.$libext)
+	# Do the static libraries later.
+	staticlibs+=" $file"
+	;;
+
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$file' is not a valid libtool archive"
+
+	library_names=
+	old_library=
+	relink_command=
+	func_source "$file"
+
+	# Add the libdir to current_libdirs if it is the destination.
+	if test "X$destdir" = "X$libdir"; then
+	  case "$current_libdirs " in
+	  *" $libdir "*) ;;
+	  *) current_libdirs+=" $libdir" ;;
+	  esac
+	else
+	  # Note the libdir as a future libdir.
+	  case "$future_libdirs " in
+	  *" $libdir "*) ;;
+	  *) future_libdirs+=" $libdir" ;;
+	  esac
+	fi
+
+	func_dirname "$file" "/" ""
+	dir="$func_dirname_result"
+	dir+="$objdir"
+
+	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  # At present, this check doesn't affect windows .dll's that
+	  # are installed into $libdir/../bin (currently, that works fine)
+	  # but it's something to keep an eye on.
+	  test "$inst_prefix_dir" = "$destdir" && \
+	    func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+	  else
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
+	  fi
+
+	  func_warning "relinking \`$file'"
+	  func_show_eval "$relink_command" \
+	    'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+	fi
+
+	# See the names of the shared library.
+	set dummy $library_names; shift
+	if test -n "$1"; then
+	  realname="$1"
+	  shift
+
+	  srcname="$realname"
+	  test -n "$relink_command" && srcname="$realname"T
+
+	  # Install the shared library and build the symlinks.
+	  func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
+	      'exit $?'
+	  tstripme="$stripme"
+	  case $host_os in
+	  cygwin* | mingw* | pw32* | cegcc*)
+	    case $realname in
+	    *.dll.a)
+	      tstripme=""
+	      ;;
+	    esac
+	    ;;
+	  esac
+	  if test -n "$tstripme" && test -n "$striplib"; then
+	    func_show_eval "$striplib $destdir/$realname" 'exit $?'
+	  fi
+
+	  if test "$#" -gt 0; then
+	    # Delete the old symlinks, and create new ones.
+	    # Try `ln -sf' first, because the `ln' binary might depend on
+	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
+	    # so we also need to try rm && ln -s.
+	    for linkname
+	    do
+	      test "$linkname" != "$realname" \
+		&& func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+	    done
+	  fi
+
+	  # Do each command in the postinstall commands.
+	  lib="$destdir/$realname"
+	  func_execute_cmds "$postinstall_cmds" 'exit $?'
+	fi
+
+	# Install the pseudo-library for information purposes.
+	func_basename "$file"
+	name="$func_basename_result"
+	instname="$dir/$name"i
+	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+	# Maybe install the static library, too.
+	test -n "$old_library" && staticlibs+=" $dir/$old_library"
+	;;
+
+      *.lo)
+	# Install (i.e. copy) a libtool object.
+
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# Deduce the name of the destination old-style object file.
+	case $destfile in
+	*.lo)
+	  func_lo2o "$destfile"
+	  staticdest=$func_lo2o_result
+	  ;;
+	*.$objext)
+	  staticdest="$destfile"
+	  destfile=
+	  ;;
+	*)
+	  func_fatal_help "cannot copy a libtool object to \`$destfile'"
+	  ;;
+	esac
+
+	# Install the libtool object if requested.
+	test -n "$destfile" && \
+	  func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+	# Install the old object if enabled.
+	if test "$build_old_libs" = yes; then
+	  # Deduce the name of the old-style object file.
+	  func_lo2o "$file"
+	  staticobj=$func_lo2o_result
+	  func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+	fi
+	exit $EXIT_SUCCESS
+	;;
+
+      *)
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# If the file is missing, and there is a .exe on the end, strip it
+	# because it is most likely a libtool script we actually want to
+	# install
+	stripped_ext=""
+	case $file in
+	  *.exe)
+	    if test ! -f "$file"; then
+	      func_stripname '' '.exe' "$file"
+	      file=$func_stripname_result
+	      stripped_ext=".exe"
+	    fi
+	    ;;
+	esac
+
+	# Do a test to see if this is really a libtool program.
+	case $host in
+	*cygwin* | *mingw*)
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      wrapper=$func_ltwrapper_scriptname_result
+	    else
+	      func_stripname '' '.exe' "$file"
+	      wrapper=$func_stripname_result
+	    fi
+	    ;;
+	*)
+	    wrapper=$file
+	    ;;
+	esac
+	if func_ltwrapper_script_p "$wrapper"; then
+	  notinst_deplibs=
+	  relink_command=
+
+	  func_source "$wrapper"
+
+	  # Check the variables that should have been set.
+	  test -z "$generated_by_libtool_version" && \
+	    func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+
+	  finalize=yes
+	  for lib in $notinst_deplibs; do
+	    # Check to see that each library is installed.
+	    libdir=
+	    if test -f "$lib"; then
+	      func_source "$lib"
+	    fi
+	    libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test
+	    if test -n "$libdir" && test ! -f "$libfile"; then
+	      func_warning "\`$lib' has not been installed in \`$libdir'"
+	      finalize=no
+	    fi
+	  done
+
+	  relink_command=
+	  func_source "$wrapper"
+
+	  outputname=
+	  if test "$fast_install" = no && test -n "$relink_command"; then
+	    $opt_dry_run || {
+	      if test "$finalize" = yes; then
+	        tmpdir=`func_mktempdir`
+		func_basename "$file$stripped_ext"
+		file="$func_basename_result"
+	        outputname="$tmpdir/$file"
+	        # Replace the output file specification.
+	        relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
+
+	        $opt_silent || {
+	          func_quote_for_expand "$relink_command"
+		  eval "func_echo $func_quote_for_expand_result"
+	        }
+	        if eval "$relink_command"; then :
+	          else
+		  func_error "error: relink \`$file' with the above command before installing it"
+		  $opt_dry_run || ${RM}r "$tmpdir"
+		  continue
+	        fi
+	        file="$outputname"
+	      else
+	        func_warning "cannot relink \`$file'"
+	      fi
+	    }
+	  else
+	    # Install the binary that we compiled earlier.
+	    file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"`
+	  fi
+	fi
+
+	# remove .exe since cygwin /usr/bin/install will append another
+	# one anyway
+	case $install_prog,$host in
+	*/usr/bin/install*,*cygwin*)
+	  case $file:$destfile in
+	  *.exe:*.exe)
+	    # this is ok
+	    ;;
+	  *.exe:*)
+	    destfile=$destfile.exe
+	    ;;
+	  *:*.exe)
+	    func_stripname '' '.exe' "$destfile"
+	    destfile=$func_stripname_result
+	    ;;
+	  esac
+	  ;;
+	esac
+	func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+	$opt_dry_run || if test -n "$outputname"; then
+	  ${RM}r "$tmpdir"
+	fi
+	;;
+      esac
+    done
+
+    for file in $staticlibs; do
+      func_basename "$file"
+      name="$func_basename_result"
+
+      # Set up the ranlib parameters.
+      oldlib="$destdir/$name"
+      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+      tool_oldlib=$func_to_tool_file_result
+
+      func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+      if test -n "$stripme" && test -n "$old_striplib"; then
+	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
+      fi
+
+      # Do each command in the postinstall commands.
+      func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+    done
+
+    test -n "$future_libdirs" && \
+      func_warning "remember to run \`$progname --finish$future_libdirs'"
+
+    if test -n "$current_libdirs"; then
+      # Maybe just do a dry run.
+      $opt_dry_run && current_libdirs=" -n$current_libdirs"
+      exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+    else
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$opt_mode" = install && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+    $opt_debug
+    my_outputname="$1"
+    my_originator="$2"
+    my_pic_p="${3-no}"
+    my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+    my_dlsyms=
+
+    if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+      if test -n "$NM" && test -n "$global_symbol_pipe"; then
+	my_dlsyms="${my_outputname}S.c"
+      else
+	func_error "not configured to extract global symbols from dlpreopened files"
+      fi
+    fi
+
+    if test -n "$my_dlsyms"; then
+      case $my_dlsyms in
+      "") ;;
+      *.c)
+	# Discover the nlist of each of the dlfiles.
+	nlist="$output_objdir/${my_outputname}.nm"
+
+	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+	# Parse the name list into a source file.
+	func_verbose "creating $output_objdir/$my_dlsyms"
+
+	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
+#endif
+
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data.  */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+/* External symbol declarations for the compiler. */\
+"
+
+	if test "$dlself" = yes; then
+	  func_verbose "generating symbol list for \`$output'"
+
+	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+	  # Add our own program objects to the symbol list.
+	  progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	  for progfile in $progfiles; do
+	    func_to_tool_file "$progfile" func_convert_file_msys_to_w32
+	    func_verbose "extracting global C symbols from \`$func_to_tool_file_result'"
+	    $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
+	  done
+
+	  if test -n "$exclude_expsyms"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  if test -n "$export_symbols_regex"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  # Prepare the list of exported symbols
+	  if test -z "$export_symbols"; then
+	    export_symbols="$output_objdir/$outputname.exp"
+	    $opt_dry_run || {
+	      $RM $export_symbols
+	      eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+	      case $host in
+	      *cygwin* | *mingw* | *cegcc* )
+                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+	        ;;
+	      esac
+	    }
+	  else
+	    $opt_dry_run || {
+	      eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	      case $host in
+	        *cygwin* | *mingw* | *cegcc* )
+	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+	          ;;
+	      esac
+	    }
+	  fi
+	fi
+
+	for dlprefile in $dlprefiles; do
+	  func_verbose "extracting global C symbols from \`$dlprefile'"
+	  func_basename "$dlprefile"
+	  name="$func_basename_result"
+          case $host in
+	    *cygwin* | *mingw* | *cegcc* )
+	      # if an import library, we need to obtain dlname
+	      if func_win32_import_lib_p "$dlprefile"; then
+	        func_tr_sh "$dlprefile"
+	        eval "curr_lafile=\$libfile_$func_tr_sh_result"
+	        dlprefile_dlbasename=""
+	        if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
+	          # Use subshell, to avoid clobbering current variable values
+	          dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
+	          if test -n "$dlprefile_dlname" ; then
+	            func_basename "$dlprefile_dlname"
+	            dlprefile_dlbasename="$func_basename_result"
+	          else
+	            # no lafile. user explicitly requested -dlpreopen <import library>.
+	            $sharedlib_from_linklib_cmd "$dlprefile"
+	            dlprefile_dlbasename=$sharedlib_from_linklib_result
+	          fi
+	        fi
+	        $opt_dry_run || {
+	          if test -n "$dlprefile_dlbasename" ; then
+	            eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
+	          else
+	            func_warning "Could not compute DLL name from $name"
+	            eval '$ECHO ": $name " >> "$nlist"'
+	          fi
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
+	            $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
+	        }
+	      else # not an import lib
+	        $opt_dry_run || {
+	          eval '$ECHO ": $name " >> "$nlist"'
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	        }
+	      fi
+	    ;;
+	    *)
+	      $opt_dry_run || {
+	        eval '$ECHO ": $name " >> "$nlist"'
+	        func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	        eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	      }
+	    ;;
+          esac
+	done
+
+	$opt_dry_run || {
+	  # Make sure we have at least an empty file.
+	  test -f "$nlist" || : > "$nlist"
+
+	  if test -n "$exclude_expsyms"; then
+	    $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+	    $MV "$nlist"T "$nlist"
+	  fi
+
+	  # Try sorting and uniquifying the output.
+	  if $GREP -v "^: " < "$nlist" |
+	      if sort -k 3 </dev/null >/dev/null 2>&1; then
+		sort -k 3
+	      else
+		sort +2
+	      fi |
+	      uniq > "$nlist"S; then
+	    :
+	  else
+	    $GREP -v "^: " < "$nlist" > "$nlist"S
+	  fi
+
+	  if test -f "$nlist"S; then
+	    eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+	  else
+	    echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
+	  fi
+
+	  echo >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols.  */
+typedef struct {
+  const char *name;
+  void *address;
+} lt_dlsymlist;
+extern LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];
+LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{\
+  { \"$my_originator\", (void *) 0 },"
+
+	  case $need_lib_prefix in
+	  no)
+	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  *)
+	    eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  esac
+	  echo >> "$output_objdir/$my_dlsyms" "\
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+	} # !$opt_dry_run
+
+	pic_flag_for_symtable=
+	case "$compile_command " in
+	*" -static "*) ;;
+	*)
+	  case $host in
+	  # compiling the symbol table file with pic_flag works around
+	  # a FreeBSD bug that causes programs to crash when -lm is
+	  # linked before any other PIC object.  But we must not use
+	  # pic_flag when linking with -static.  The problem exists in
+	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+	  *-*-hpux*)
+	    pic_flag_for_symtable=" $pic_flag"  ;;
+	  *)
+	    if test "X$my_pic_p" != Xno; then
+	      pic_flag_for_symtable=" $pic_flag"
+	    fi
+	    ;;
+	  esac
+	  ;;
+	esac
+	symtab_cflags=
+	for arg in $LTCFLAGS; do
+	  case $arg in
+	  -pie | -fpie | -fPIE) ;;
+	  *) symtab_cflags+=" $arg" ;;
+	  esac
+	done
+
+	# Now compile the dynamic symbol file.
+	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+	# Clean up the generated files.
+	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+
+	# Transform the symbol file into the correct name.
+	symfileobj="$output_objdir/${my_outputname}S.$objext"
+	case $host in
+	*cygwin* | *mingw* | *cegcc* )
+	  if test -f "$output_objdir/$my_outputname.def"; then
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	  else
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  fi
+	  ;;
+	*)
+	  compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  ;;
+	esac
+	;;
+      *)
+	func_fatal_error "unknown suffix for \`$my_dlsyms'"
+	;;
+      esac
+    else
+      # We keep going just in case the user didn't refer to
+      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
+      # really was required.
+
+      # Nullify the symbol file.
+      compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
+      finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
+    fi
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+# Despite the name, also deal with 64 bit binaries.
+func_win32_libid ()
+{
+  $opt_debug
+  win32_libid_type="unknown"
+  win32_fileres=`file -L $1 2>/dev/null`
+  case $win32_fileres in
+  *ar\ archive\ import\ library*) # definitely import
+    win32_libid_type="x86 archive import"
+    ;;
+  *ar\ archive*) # could be an import, or static
+    # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
+    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+       $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
+      func_to_tool_file "$1" func_convert_file_msys_to_w32
+      win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+	$SED -n -e '
+	    1,100{
+		/ I /{
+		    s,.*,import,
+		    p
+		    q
+		}
+	    }'`
+      case $win32_nmres in
+      import*)  win32_libid_type="x86 archive import";;
+      *)        win32_libid_type="x86 archive static";;
+      esac
+    fi
+    ;;
+  *DLL*)
+    win32_libid_type="x86 DLL"
+    ;;
+  *executable*) # but shell scripts are "executable" too...
+    case $win32_fileres in
+    *MS\ Windows\ PE\ Intel*)
+      win32_libid_type="x86 DLL"
+      ;;
+    esac
+    ;;
+  esac
+  $ECHO "$win32_libid_type"
+}
+
+# func_cygming_dll_for_implib ARG
+#
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib ()
+{
+  $opt_debug
+  sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
+}
+
+# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
+#
+# The is the core of a fallback implementation of a
+# platform-specific function to extract the name of the
+# DLL associated with the specified import library LIBNAME.
+#
+# SECTION_NAME is either .idata$6 or .idata$7, depending
+# on the platform and compiler that created the implib.
+#
+# Echos the name of the DLL associated with the
+# specified import library.
+func_cygming_dll_for_implib_fallback_core ()
+{
+  $opt_debug
+  match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
+  $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
+    $SED '/^Contents of section '"$match_literal"':/{
+      # Place marker at beginning of archive member dllname section
+      s/.*/====MARK====/
+      p
+      d
+    }
+    # These lines can sometimes be longer than 43 characters, but
+    # are always uninteresting
+    /:[	 ]*file format pe[i]\{,1\}-/d
+    /^In archive [^:]*:/d
+    # Ensure marker is printed
+    /^====MARK====/p
+    # Remove all lines with less than 43 characters
+    /^.\{43\}/!d
+    # From remaining lines, remove first 43 characters
+    s/^.\{43\}//' |
+    $SED -n '
+      # Join marker and all lines until next marker into a single line
+      /^====MARK====/ b para
+      H
+      $ b para
+      b
+      :para
+      x
+      s/\n//g
+      # Remove the marker
+      s/^====MARK====//
+      # Remove trailing dots and whitespace
+      s/[\. \t]*$//
+      # Print
+      /./p' |
+    # we now have a list, one entry per line, of the stringified
+    # contents of the appropriate section of all members of the
+    # archive which possess that section. Heuristic: eliminate
+    # all those which have a first or second character that is
+    # a '.' (that is, objdump's representation of an unprintable
+    # character.) This should work for all archives with less than
+    # 0x302f exports -- but will fail for DLLs whose name actually
+    # begins with a literal '.' or a single character followed by
+    # a '.'.
+    #
+    # Of those that remain, print the first one.
+    $SED -e '/^\./d;/^.\./d;q'
+}
+
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+  $opt_debug
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+  test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+  $opt_debug
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+  test -n "$func_cygming_ms_implib_tmp"
+}
+
+# func_cygming_dll_for_implib_fallback ARG
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+#
+# This fallback implementation is for use when $DLLTOOL
+# does not support the --identify-strict option.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib_fallback ()
+{
+  $opt_debug
+  if func_cygming_gnu_implib_p "$1" ; then
+    # binutils import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
+  elif func_cygming_ms_implib_p "$1" ; then
+    # ms-generated import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
+  else
+    # unknown
+    sharedlib_from_linklib_result=""
+  fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+    $opt_debug
+    f_ex_an_ar_dir="$1"; shift
+    f_ex_an_ar_oldlib="$1"
+    if test "$lock_old_archive_extraction" = yes; then
+      lockfile=$f_ex_an_ar_oldlib.lock
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    fi
+    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
+		   'stat=$?; rm -f "$lockfile"; exit $stat'
+    if test "$lock_old_archive_extraction" = yes; then
+      $opt_dry_run || rm -f "$lockfile"
+    fi
+    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+     :
+    else
+      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+    fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+    $opt_debug
+    my_gentop="$1"; shift
+    my_oldlibs=${1+"$@"}
+    my_oldobjs=""
+    my_xlib=""
+    my_xabs=""
+    my_xdir=""
+
+    for my_xlib in $my_oldlibs; do
+      # Extract the objects.
+      case $my_xlib in
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+	*) my_xabs=`pwd`"/$my_xlib" ;;
+      esac
+      func_basename "$my_xlib"
+      my_xlib="$func_basename_result"
+      my_xlib_u=$my_xlib
+      while :; do
+        case " $extracted_archives " in
+	*" $my_xlib_u "*)
+	  func_arith $extracted_serial + 1
+	  extracted_serial=$func_arith_result
+	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
+	*) break ;;
+	esac
+      done
+      extracted_archives="$extracted_archives $my_xlib_u"
+      my_xdir="$my_gentop/$my_xlib_u"
+
+      func_mkdir_p "$my_xdir"
+
+      case $host in
+      *-darwin*)
+	func_verbose "Extracting $my_xabs"
+	# Do not bother doing anything if just a dry run
+	$opt_dry_run || {
+	  darwin_orig_dir=`pwd`
+	  cd $my_xdir || exit $?
+	  darwin_archive=$my_xabs
+	  darwin_curdir=`pwd`
+	  darwin_base_archive=`basename "$darwin_archive"`
+	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+	  if test -n "$darwin_arches"; then
+	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+	    darwin_arch=
+	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+	    for darwin_arch in  $darwin_arches ; do
+	      func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+	      cd "$darwin_curdir"
+	      $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+	    done # $darwin_arches
+            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+	    darwin_file=
+	    darwin_files=
+	    for darwin_file in $darwin_filelist; do
+	      darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
+	      $LIPO -create -output "$darwin_file" $darwin_files
+	    done # $darwin_filelist
+	    $RM -rf unfat-$$
+	    cd "$darwin_orig_dir"
+	  else
+	    cd $darwin_orig_dir
+	    func_extract_an_archive "$my_xdir" "$my_xabs"
+	  fi # $darwin_arches
+	} # !$opt_dry_run
+	;;
+      *)
+        func_extract_an_archive "$my_xdir" "$my_xabs"
+	;;
+      esac
+      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
+    done
+
+    func_extract_archives_result="$my_oldobjs"
+}
+
+
+# func_emit_wrapper [arg=no]
+#
+# Emit a libtool wrapper script on stdout.
+# Don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable.  Must ONLY be called from within
+# func_mode_link because it depends on a number of variables
+# set therein.
+#
+# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take.  If 'yes', then the emitted script
+# will assume that the directory in which it is stored is
+# the $objdir directory.  This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+	func_emit_wrapper_arg1=${1-no}
+
+	$ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+  # install mode needs the following variables:
+  generated_by_libtool_version='$macro_version'
+  notinst_deplibs='$notinst_deplibs'
+else
+  # When we are sourced in execute mode, \$file and \$ECHO are already set.
+  if test \"\$libtool_execute_magic\" != \"$magic\"; then
+    file=\"\$0\""
+
+    qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"`
+    $ECHO "\
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+    ECHO=\"$qECHO\"
+  fi
+
+# Very basic option parsing. These options are (a) specific to
+# the libtool wrapper, (b) are identical between the wrapper
+# /script/ and the wrapper /executable/ which is used only on
+# windows platforms, and (c) all begin with the string "--lt-"
+# (application programs are unlikely to have options which match
+# this pattern).
+#
+# There are only two supported options: --lt-debug and
+# --lt-dump-script. There is, deliberately, no --lt-help.
+#
+# The first argument to this parsing function should be the
+# script's $0 value, followed by "$@".
+lt_option_debug=
+func_parse_lt_options ()
+{
+  lt_script_arg0=\$0
+  shift
+  for lt_opt
+  do
+    case \"\$lt_opt\" in
+    --lt-debug) lt_option_debug=1 ;;
+    --lt-dump-script)
+        lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\`
+        test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
+        lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
+        cat \"\$lt_dump_D/\$lt_dump_F\"
+        exit 0
+      ;;
+    --lt-*)
+        \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
+        exit 1
+      ;;
+    esac
+  done
+
+  # Print the debug banner immediately:
+  if test -n \"\$lt_option_debug\"; then
+    echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2
+  fi
+}
+
+# Used when --lt-debug. Prints its arguments to stdout
+# (redirection is the responsibility of the caller)
+func_lt_dump_args ()
+{
+  lt_dump_args_N=1;
+  for lt_arg
+  do
+    \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\"
+    lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
+  done
+}
+
+# Core function for launching the target application
+func_exec_program_core ()
+{
+"
+  case $host in
+  # Backslashes separate directories on plain windows
+  *-*-mingw | *-*-os2* | *-cegcc*)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+    ;;
+
+  *)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+    ;;
+  esac
+  $ECHO "\
+      \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+      exit 1
+}
+
+# A function to encapsulate launching the target application
+# Strips options in the --lt-* namespace from \$@ and
+# launches target application with the remaining arguments.
+func_exec_program ()
+{
+  case \" \$* \" in
+  *\\ --lt-*)
+    for lt_wr_arg
+    do
+      case \$lt_wr_arg in
+      --lt-*) ;;
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      esac
+      shift
+    done ;;
+  esac
+  func_exec_program_core \${1+\"\$@\"}
+}
+
+  # Parse options
+  func_parse_lt_options \"\$0\" \${1+\"\$@\"}
+
+  # Find the directory that this script lives in.
+  thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\`
+  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+  # Follow symbolic links until we get to the real thisdir.
+  file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
+  while test -n \"\$file\"; do
+    destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\`
+
+    # If there was a directory component, then change thisdir.
+    if test \"x\$destdir\" != \"x\$file\"; then
+      case \"\$destdir\" in
+      [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+      *) thisdir=\"\$thisdir/\$destdir\" ;;
+      esac
+    fi
+
+    file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
+    file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
+  done
+
+  # Usually 'no', except on cygwin/mingw when embedded into
+  # the cwrapper.
+  WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+  if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+    # special case for '.'
+    if test \"\$thisdir\" = \".\"; then
+      thisdir=\`pwd\`
+    fi
+    # remove .libs from thisdir
+    case \"\$thisdir\" in
+    *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;;
+    $objdir )   thisdir=. ;;
+    esac
+  fi
+
+  # Try to get the absolute directory name.
+  absdir=\`cd \"\$thisdir\" && pwd\`
+  test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+	if test "$fast_install" = yes; then
+	  $ECHO "\
+  program=lt-'$outputname'$exeext
+  progdir=\"\$thisdir/$objdir\"
+
+  if test ! -f \"\$progdir/\$program\" ||
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+    file=\"\$\$-\$program\"
+
+    if test ! -d \"\$progdir\"; then
+      $MKDIR \"\$progdir\"
+    else
+      $RM \"\$progdir/\$file\"
+    fi"
+
+	  $ECHO "\
+
+    # relink executable if necessary
+    if test -n \"\$relink_command\"; then
+      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+      else
+	$ECHO \"\$relink_command_output\" >&2
+	$RM \"\$progdir/\$file\"
+	exit 1
+      fi
+    fi
+
+    $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+    { $RM \"\$progdir/\$program\";
+      $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+    $RM \"\$progdir/\$file\"
+  fi"
+	else
+	  $ECHO "\
+  program='$outputname'
+  progdir=\"\$thisdir/$objdir\"
+"
+	fi
+
+	$ECHO "\
+
+  if test -f \"\$progdir/\$program\"; then"
+
+	# fixup the dll searchpath if we need to.
+	#
+	# Fix the DLL searchpath if we need to.  Do this before prepending
+	# to shlibpath, because on Windows, both are PATH and uninstalled
+	# libraries must come first.
+	if test -n "$dllsearchpath"; then
+	  $ECHO "\
+    # Add the dll search path components to the executable PATH
+    PATH=$dllsearchpath:\$PATH
+"
+	fi
+
+	# Export our shlibpath_var if we have one.
+	if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	  $ECHO "\
+    # Add our own library path to $shlibpath_var
+    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+    # Some systems cannot cope with colon-terminated $shlibpath_var
+    # The second colon is a workaround for a bug in BeOS R4 sed
+    $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
+
+    export $shlibpath_var
+"
+	fi
+
+	$ECHO "\
+    if test \"\$libtool_execute_magic\" != \"$magic\"; then
+      # Run the actual program with our arguments.
+      func_exec_program \${1+\"\$@\"}
+    fi
+  else
+    # The program doesn't exist.
+    \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+    \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+    \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+    exit 1
+  fi
+fi\
+"
+}
+
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+	cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+   Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+
+   The $output program cannot be directly executed until all the libtool
+   libraries that it depends on are installed.
+
+   This wrapper executable should never be moved out of the build directory.
+   If it is, it will not operate correctly.
+*/
+EOF
+	    cat <<"EOF"
+#ifdef _MSC_VER
+# define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+#  include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+/* declarations of non-ANSI functions */
+#if defined(__MINGW32__)
+# ifdef __STRICT_ANSI__
+int _putenv (const char *);
+# endif
+#elif defined(__CYGWIN__)
+# ifdef __STRICT_ANSI__
+char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
+# endif
+/* #elif defined (other platforms) ... */
+#endif
+
+/* portability defines, excluding path handling macros */
+#if defined(_MSC_VER)
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+# define S_IXUSR _S_IEXEC
+# ifndef _INTPTR_T_DEFINED
+#  define _INTPTR_T_DEFINED
+#  define intptr_t int
+# endif
+#elif defined(__MINGW32__)
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+#elif defined(__CYGWIN__)
+# define HAVE_SETENV
+# define FOPEN_WB "wb"
+/* #elif defined (other platforms) ... */
+#endif
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+/* path handling portability macros */
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+  defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+#  define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+#  define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+  if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+#if defined(LT_DEBUGWRAPPER)
+static int lt_debug = 1;
+#else
+static int lt_debug = 0;
+#endif
+
+const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_debugprintf (const char *file, int line, const char *fmt, ...);
+void lt_fatal (const char *file, int line, const char *message, ...);
+static const char *nonnull (const char *s);
+static const char *nonempty (const char *s);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
+char **prepare_spawn (char **argv);
+void lt_dump_script (FILE *f);
+EOF
+
+	    cat <<EOF
+volatile const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+	    if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+              func_to_host_path "$temp_rpath"
+	      cat <<EOF
+const char * LIB_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * LIB_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test -n "$dllsearchpath"; then
+              func_to_host_path "$dllsearchpath:"
+	      cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test "$fast_install" = yes; then
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+	    else
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+	    fi
+
+
+	    cat <<"EOF"
+
+#define LTWRAPPER_OPTION_PREFIX         "--lt-"
+
+static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
+static const char *dumpscript_opt       = LTWRAPPER_OPTION_PREFIX "dump-script";
+static const char *debug_opt            = LTWRAPPER_OPTION_PREFIX "debug";
+
+int
+main (int argc, char *argv[])
+{
+  char **newargz;
+  int  newargc;
+  char *tmp_pathspec;
+  char *actual_cwrapper_path;
+  char *actual_cwrapper_name;
+  char *target_name;
+  char *lt_argv_zero;
+  intptr_t rval = 127;
+
+  int i;
+
+  program_name = (char *) xstrdup (base_name (argv[0]));
+  newargz = XMALLOC (char *, argc + 1);
+
+  /* very simple arg parsing; don't want to rely on getopt
+   * also, copy all non cwrapper options to newargz, except
+   * argz[0], which is handled differently
+   */
+  newargc=0;
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], dumpscript_opt) == 0)
+	{
+EOF
+	    case "$host" in
+	      *mingw* | *cygwin* )
+		# make stdout use "unix" line endings
+		echo "          setmode(1,_O_BINARY);"
+		;;
+	      esac
+
+	    cat <<"EOF"
+	  lt_dump_script (stdout);
+	  return 0;
+	}
+      if (strcmp (argv[i], debug_opt) == 0)
+	{
+          lt_debug = 1;
+          continue;
+	}
+      if (strcmp (argv[i], ltwrapper_option_prefix) == 0)
+        {
+          /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
+             namespace, but it is not one of the ones we know about and
+             have already dealt with, above (inluding dump-script), then
+             report an error. Otherwise, targets might begin to believe
+             they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
+             namespace. The first time any user complains about this, we'll
+             need to make LTWRAPPER_OPTION_PREFIX a configure-time option
+             or a configure.ac-settable value.
+           */
+          lt_fatal (__FILE__, __LINE__,
+		    "unrecognized %s option: '%s'",
+                    ltwrapper_option_prefix, argv[i]);
+        }
+      /* otherwise ... */
+      newargz[++newargc] = xstrdup (argv[i]);
+    }
+  newargz[++newargc] = NULL;
+
+EOF
+	    cat <<EOF
+  /* The GNU banner must be the first non-error debug message */
+  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n");
+EOF
+	    cat <<"EOF"
+  lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
+
+  tmp_pathspec = find_executable (argv[0]);
+  if (tmp_pathspec == NULL)
+    lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (before symlink chase) at: %s\n",
+		  tmp_pathspec);
+
+  actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (after symlink chase) at: %s\n",
+		  actual_cwrapper_path);
+  XFREE (tmp_pathspec);
+
+  actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
+  strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+  /* wrapper name transforms */
+  strendzap (actual_cwrapper_name, ".exe");
+  tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+  XFREE (actual_cwrapper_name);
+  actual_cwrapper_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  /* target_name transforms -- use actual target program name; might have lt- prefix */
+  target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+  strendzap (target_name, ".exe");
+  tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+  XFREE (target_name);
+  target_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(main) libtool target name: %s\n",
+		  target_name);
+EOF
+
+	    cat <<EOF
+  newargz[0] =
+    XMALLOC (char, (strlen (actual_cwrapper_path) +
+		    strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
+  strcpy (newargz[0], actual_cwrapper_path);
+  strcat (newargz[0], "$objdir");
+  strcat (newargz[0], "/");
+EOF
+
+	    cat <<"EOF"
+  /* stop here, and copy so we don't have to do this twice */
+  tmp_pathspec = xstrdup (newargz[0]);
+
+  /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+  strcat (newargz[0], actual_cwrapper_name);
+
+  /* DO want the lt- prefix here if it exists, so use target_name */
+  lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+  XFREE (tmp_pathspec);
+  tmp_pathspec = NULL;
+EOF
+
+	    case $host_os in
+	      mingw*)
+	    cat <<"EOF"
+  {
+    char* p;
+    while ((p = strchr (newargz[0], '\\')) != NULL)
+      {
+	*p = '/';
+      }
+    while ((p = strchr (lt_argv_zero, '\\')) != NULL)
+      {
+	*p = '/';
+      }
+  }
+EOF
+	    ;;
+	    esac
+
+	    cat <<"EOF"
+  XFREE (target_name);
+  XFREE (actual_cwrapper_path);
+  XFREE (actual_cwrapper_name);
+
+  lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+  lt_setenv ("DUALCASE", "1");  /* for MSK sh */
+  /* Update the DLL searchpath.  EXE_PATH_VALUE ($dllsearchpath) must
+     be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
+     because on Windows, both *_VARNAMEs are PATH but uninstalled
+     libraries must come first. */
+  lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+  lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+
+  lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
+		  nonnull (lt_argv_zero));
+  for (i = 0; i < newargc; i++)
+    {
+      lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n",
+		      i, nonnull (newargz[i]));
+    }
+
+EOF
+
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+  /* execv doesn't actually work on mingw as expected on unix */
+  newargz = prepare_spawn (newargz);
+  rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+  if (rval == -1)
+    {
+      /* failed to start process */
+      lt_debugprintf (__FILE__, __LINE__,
+		      "(main) failed to launch target \"%s\": %s\n",
+		      lt_argv_zero, nonnull (strerror (errno)));
+      return 127;
+    }
+  return rval;
+EOF
+		;;
+	      *)
+		cat <<"EOF"
+  execv (lt_argv_zero, newargz);
+  return rval; /* =127, but avoids unused variable warning */
+EOF
+		;;
+	    esac
+
+	    cat <<"EOF"
+}
+
+void *
+xmalloc (size_t num)
+{
+  void *p = (void *) malloc (num);
+  if (!p)
+    lt_fatal (__FILE__, __LINE__, "memory exhausted");
+
+  return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+  return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+			  string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+  const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  /* Skip over the disk name in MSDOS pathnames. */
+  if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+    name += 2;
+#endif
+
+  for (base = name; *name; name++)
+    if (IS_DIR_SEPARATOR (*name))
+      base = name + 1;
+  return base;
+}
+
+int
+check_executable (const char *path)
+{
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if ((stat (path, &st) >= 0)
+      && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+    return 1;
+  else
+    return 0;
+}
+
+int
+make_executable (const char *path)
+{
+  int rval = 0;
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if (stat (path, &st) >= 0)
+    {
+      rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+    }
+  return rval;
+}
+
+/* Searches for the full path of the wrapper.  Returns
+   newly allocated full path name if found, NULL otherwise
+   Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+  int has_slash = 0;
+  const char *p;
+  const char *p_next;
+  /* static buffer for getcwd */
+  char tmp[LT_PATHMAX + 1];
+  int tmp_len;
+  char *concat_name;
+
+  lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
+                  nonempty (wrapper));
+
+  if ((wrapper == NULL) || (*wrapper == '\0'))
+    return NULL;
+
+  /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+    {
+      concat_name = xstrdup (wrapper);
+      if (check_executable (concat_name))
+	return concat_name;
+      XFREE (concat_name);
+    }
+  else
+    {
+#endif
+      if (IS_DIR_SEPARATOR (wrapper[0]))
+	{
+	  concat_name = xstrdup (wrapper);
+	  if (check_executable (concat_name))
+	    return concat_name;
+	  XFREE (concat_name);
+	}
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+    }
+#endif
+
+  for (p = wrapper; *p; p++)
+    if (*p == '/')
+      {
+	has_slash = 1;
+	break;
+      }
+  if (!has_slash)
+    {
+      /* no slashes; search PATH */
+      const char *path = getenv ("PATH");
+      if (path != NULL)
+	{
+	  for (p = path; *p; p = p_next)
+	    {
+	      const char *q;
+	      size_t p_len;
+	      for (q = p; *q; q++)
+		if (IS_PATH_SEPARATOR (*q))
+		  break;
+	      p_len = q - p;
+	      p_next = (*q == '\0' ? q : q + 1);
+	      if (p_len == 0)
+		{
+		  /* empty path: current directory */
+		  if (getcwd (tmp, LT_PATHMAX) == NULL)
+		    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+                              nonnull (strerror (errno)));
+		  tmp_len = strlen (tmp);
+		  concat_name =
+		    XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, tmp, tmp_len);
+		  concat_name[tmp_len] = '/';
+		  strcpy (concat_name + tmp_len + 1, wrapper);
+		}
+	      else
+		{
+		  concat_name =
+		    XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, p, p_len);
+		  concat_name[p_len] = '/';
+		  strcpy (concat_name + p_len + 1, wrapper);
+		}
+	      if (check_executable (concat_name))
+		return concat_name;
+	      XFREE (concat_name);
+	    }
+	}
+      /* not found in PATH; assume curdir */
+    }
+  /* Relative path | not found in path: prepend cwd */
+  if (getcwd (tmp, LT_PATHMAX) == NULL)
+    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+              nonnull (strerror (errno)));
+  tmp_len = strlen (tmp);
+  concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+  memcpy (concat_name, tmp, tmp_len);
+  concat_name[tmp_len] = '/';
+  strcpy (concat_name + tmp_len + 1, wrapper);
+
+  if (check_executable (concat_name))
+    return concat_name;
+  XFREE (concat_name);
+  return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+  return xstrdup (pathspec);
+#else
+  char buf[LT_PATHMAX];
+  struct stat s;
+  char *tmp_pathspec = xstrdup (pathspec);
+  char *p;
+  int has_symlinks = 0;
+  while (strlen (tmp_pathspec) && !has_symlinks)
+    {
+      lt_debugprintf (__FILE__, __LINE__,
+		      "checking path component for symlinks: %s\n",
+		      tmp_pathspec);
+      if (lstat (tmp_pathspec, &s) == 0)
+	{
+	  if (S_ISLNK (s.st_mode) != 0)
+	    {
+	      has_symlinks = 1;
+	      break;
+	    }
+
+	  /* search backwards for last DIR_SEPARATOR */
+	  p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+	  while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    p--;
+	  if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    {
+	      /* no more DIR_SEPARATORS left */
+	      break;
+	    }
+	  *p = '\0';
+	}
+      else
+	{
+	  lt_fatal (__FILE__, __LINE__,
+		    "error accessing file \"%s\": %s",
+		    tmp_pathspec, nonnull (strerror (errno)));
+	}
+    }
+  XFREE (tmp_pathspec);
+
+  if (!has_symlinks)
+    {
+      return xstrdup (pathspec);
+    }
+
+  tmp_pathspec = realpath (pathspec, buf);
+  if (tmp_pathspec == 0)
+    {
+      lt_fatal (__FILE__, __LINE__,
+		"could not follow symlinks for %s", pathspec);
+    }
+  return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+  size_t len, patlen;
+
+  assert (str != NULL);
+  assert (pat != NULL);
+
+  len = strlen (str);
+  patlen = strlen (pat);
+
+  if (patlen <= len)
+    {
+      str += len - patlen;
+      if (strcmp (str, pat) == 0)
+	*str = '\0';
+    }
+  return str;
+}
+
+void
+lt_debugprintf (const char *file, int line, const char *fmt, ...)
+{
+  va_list args;
+  if (lt_debug)
+    {
+      (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
+      va_start (args, fmt);
+      (void) vfprintf (stderr, fmt, args);
+      va_end (args);
+    }
+}
+
+static void
+lt_error_core (int exit_status, const char *file,
+	       int line, const char *mode,
+	       const char *message, va_list ap)
+{
+  fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
+  vfprintf (stderr, message, ap);
+  fprintf (stderr, ".\n");
+
+  if (exit_status >= 0)
+    exit (exit_status);
+}
+
+void
+lt_fatal (const char *file, int line, const char *message, ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
+  va_end (ap);
+}
+
+static const char *
+nonnull (const char *s)
+{
+  return s ? s : "(null)";
+}
+
+static const char *
+nonempty (const char *s)
+{
+  return (s && !*s) ? "(empty)" : nonnull (s);
+}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_setenv) setting '%s' to '%s'\n",
+                  nonnull (name), nonnull (value));
+  {
+#ifdef HAVE_SETENV
+    /* always make a copy, for consistency with !HAVE_SETENV */
+    char *str = xstrdup (value);
+    setenv (name, str, 1);
+#else
+    int len = strlen (name) + 1 + strlen (value) + 1;
+    char *str = XMALLOC (char, len);
+    sprintf (str, "%s=%s", name, value);
+    if (putenv (str) != EXIT_SUCCESS)
+      {
+        XFREE (str);
+      }
+#endif
+  }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+  char *new_value;
+  if (orig_value && *orig_value)
+    {
+      int orig_value_len = strlen (orig_value);
+      int add_len = strlen (add);
+      new_value = XMALLOC (char, add_len + orig_value_len + 1);
+      if (to_end)
+        {
+          strcpy (new_value, orig_value);
+          strcpy (new_value + orig_value_len, add);
+        }
+      else
+        {
+          strcpy (new_value, add);
+          strcpy (new_value + add_len, orig_value);
+        }
+    }
+  else
+    {
+      new_value = xstrdup (add);
+    }
+  return new_value;
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      /* some systems can't cope with a ':'-terminated path #' */
+      int len = strlen (new_value);
+      while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+        {
+          new_value[len-1] = '\0';
+        }
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+EOF
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+
+/* Prepares an argument vector before calling spawn().
+   Note that spawn() does not by itself call the command interpreter
+     (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
+      ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+         GetVersionEx(&v);
+         v.dwPlatformId == VER_PLATFORM_WIN32_NT;
+      }) ? "cmd.exe" : "command.com").
+   Instead it simply concatenates the arguments, separated by ' ', and calls
+   CreateProcess().  We must quote the arguments since Win32 CreateProcess()
+   interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
+   special way:
+   - Space and tab are interpreted as delimiters. They are not treated as
+     delimiters if they are surrounded by double quotes: "...".
+   - Unescaped double quotes are removed from the input. Their only effect is
+     that within double quotes, space and tab are treated like normal
+     characters.
+   - Backslashes not followed by double quotes are not special.
+   - But 2*n+1 backslashes followed by a double quote become
+     n backslashes followed by a double quote (n >= 0):
+       \" -> "
+       \\\" -> \"
+       \\\\\" -> \\"
+ */
+#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+char **
+prepare_spawn (char **argv)
+{
+  size_t argc;
+  char **new_argv;
+  size_t i;
+
+  /* Count number of arguments.  */
+  for (argc = 0; argv[argc] != NULL; argc++)
+    ;
+
+  /* Allocate new argument vector.  */
+  new_argv = XMALLOC (char *, argc + 1);
+
+  /* Put quoted arguments into the new argument vector.  */
+  for (i = 0; i < argc; i++)
+    {
+      const char *string = argv[i];
+
+      if (string[0] == '\0')
+	new_argv[i] = xstrdup ("\"\"");
+      else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
+	{
+	  int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
+	  size_t length;
+	  unsigned int backslashes;
+	  const char *s;
+	  char *quoted_string;
+	  char *p;
+
+	  length = 0;
+	  backslashes = 0;
+	  if (quote_around)
+	    length++;
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		length += backslashes + 1;
+	      length++;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    length += backslashes + 1;
+
+	  quoted_string = XMALLOC (char, length + 1);
+
+	  p = quoted_string;
+	  backslashes = 0;
+	  if (quote_around)
+	    *p++ = '"';
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		{
+		  unsigned int j;
+		  for (j = backslashes + 1; j > 0; j--)
+		    *p++ = '\\';
+		}
+	      *p++ = c;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    {
+	      unsigned int j;
+	      for (j = backslashes; j > 0; j--)
+		*p++ = '\\';
+	      *p++ = '"';
+	    }
+	  *p = '\0';
+
+	  new_argv[i] = quoted_string;
+	}
+      else
+	new_argv[i] = (char *) string;
+    }
+  new_argv[argc] = NULL;
+
+  return new_argv;
+}
+EOF
+		;;
+	    esac
+
+            cat <<"EOF"
+void lt_dump_script (FILE* f)
+{
+EOF
+	    func_emit_wrapper yes |
+	      $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/  fputs ("\1", f);/p
+g
+D'
+            cat <<"EOF"
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_win32_import_lib_p ARG
+# True if ARG is an import lib, as indicated by $file_magic_cmd
+func_win32_import_lib_p ()
+{
+    $opt_debug
+    case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
+    *import*) : ;;
+    *) false ;;
+    esac
+}
+
+# func_mode_link arg...
+func_mode_link ()
+{
+    $opt_debug
+    case $host in
+    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+      # It is impossible to link a dll without this setting, and
+      # we shouldn't force the makefile maintainer to figure out
+      # which system we are compiling for in order to pass an extra
+      # flag for every libtool invocation.
+      # allow_undefined=no
+
+      # FIXME: Unfortunately, there are problems with the above when trying
+      # to make a dll which has undefined symbols, in which case not
+      # even a static library is built.  For now, we need to specify
+      # -no-undefined on the libtool link line when we can be certain
+      # that all symbols are satisfied, otherwise we get a static library.
+      allow_undefined=yes
+      ;;
+    *)
+      allow_undefined=yes
+      ;;
+    esac
+    libtool_args=$nonopt
+    base_compile="$nonopt $@"
+    compile_command=$nonopt
+    finalize_command=$nonopt
+
+    compile_rpath=
+    finalize_rpath=
+    compile_shlibpath=
+    finalize_shlibpath=
+    convenience=
+    old_convenience=
+    deplibs=
+    old_deplibs=
+    compiler_flags=
+    linker_flags=
+    dllsearchpath=
+    lib_search_path=`pwd`
+    inst_prefix_dir=
+    new_inherited_linker_flags=
+
+    avoid_version=no
+    bindir=
+    dlfiles=
+    dlprefiles=
+    dlself=no
+    export_dynamic=no
+    export_symbols=
+    export_symbols_regex=
+    generated=
+    libobjs=
+    ltlibs=
+    module=no
+    no_install=no
+    objs=
+    non_pic_objects=
+    precious_files_regex=
+    prefer_static_libs=no
+    preload=no
+    prev=
+    prevarg=
+    release=
+    rpath=
+    xrpath=
+    perm_rpath=
+    temp_rpath=
+    thread_safe=no
+    vinfo=
+    vinfo_number=no
+    weak_libs=
+    single_module="${wl}-single_module"
+    func_infer_tag $base_compile
+
+    # We need to know -static, to get the right output filenames.
+    for arg
+    do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	break
+	;;
+      -all-static | -static | -static-libtool-libs)
+	case $arg in
+	-all-static)
+	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+	    func_warning "complete static linking is impossible in this configuration"
+	  fi
+	  if test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	-static)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=built
+	  ;;
+	-static-libtool-libs)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	esac
+	build_libtool_libs=no
+	build_old_libs=yes
+	break
+	;;
+      esac
+    done
+
+    # See if our shared archives depend on static archives.
+    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+    # Go through the arguments, transforming them on the way.
+    while test "$#" -gt 0; do
+      arg="$1"
+      shift
+      func_quote_for_eval "$arg"
+      qarg=$func_quote_for_eval_unquoted_result
+      libtool_args+=" $func_quote_for_eval_result"
+
+      # If the previous option needs an argument, assign it.
+      if test -n "$prev"; then
+	case $prev in
+	output)
+	  compile_command+=" @OUTPUT@"
+	  finalize_command+=" @OUTPUT@"
+	  ;;
+	esac
+
+	case $prev in
+	bindir)
+	  bindir="$arg"
+	  prev=
+	  continue
+	  ;;
+	dlfiles|dlprefiles)
+	  if test "$preload" = no; then
+	    # Add the symbol object into the linking commands.
+	    compile_command+=" @SYMFILE@"
+	    finalize_command+=" @SYMFILE@"
+	    preload=yes
+	  fi
+	  case $arg in
+	  *.la | *.lo) ;;  # We handle these cases below.
+	  force)
+	    if test "$dlself" = no; then
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  self)
+	    if test "$prev" = dlprefiles; then
+	      dlself=yes
+	    elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+	      dlself=yes
+	    else
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  *)
+	    if test "$prev" = dlfiles; then
+	      dlfiles+=" $arg"
+	    else
+	      dlprefiles+=" $arg"
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  esac
+	  ;;
+	expsyms)
+	  export_symbols="$arg"
+	  test -f "$arg" \
+	    || func_fatal_error "symbol file \`$arg' does not exist"
+	  prev=
+	  continue
+	  ;;
+	expsyms_regex)
+	  export_symbols_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	framework)
+	  case $host in
+	    *-*-darwin*)
+	      case "$deplibs " in
+		*" $qarg.ltframework "*) ;;
+		*) deplibs+=" $qarg.ltframework" # this is fixed later
+		   ;;
+	      esac
+	      ;;
+	  esac
+	  prev=
+	  continue
+	  ;;
+	inst_prefix)
+	  inst_prefix_dir="$arg"
+	  prev=
+	  continue
+	  ;;
+	objectlist)
+	  if test -f "$arg"; then
+	    save_arg=$arg
+	    moreargs=
+	    for fil in `cat "$save_arg"`
+	    do
+#	      moreargs+=" $fil"
+	      arg=$fil
+	      # A libtool-controlled object.
+
+	      # Check to see that this really is a libtool object.
+	      if func_lalib_unsafe_p "$arg"; then
+		pic_object=
+		non_pic_object=
+
+		# Read the .lo file
+		func_source "$arg"
+
+		if test -z "$pic_object" ||
+		   test -z "$non_pic_object" ||
+		   test "$pic_object" = none &&
+		   test "$non_pic_object" = none; then
+		  func_fatal_error "cannot find name of object for \`$arg'"
+		fi
+
+		# Extract subdirectory from the argument.
+		func_dirname "$arg" "/" ""
+		xdir="$func_dirname_result"
+
+		if test "$pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  pic_object="$xdir$pic_object"
+
+		  if test "$prev" = dlfiles; then
+		    if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		      dlfiles+=" $pic_object"
+		      prev=
+		      continue
+		    else
+		      # If libtool objects are unsupported, then we need to preload.
+		      prev=dlprefiles
+		    fi
+		  fi
+
+		  # CHECK ME:  I think I busted this.  -Ossama
+		  if test "$prev" = dlprefiles; then
+		    # Preload the old-style object.
+		    dlprefiles+=" $pic_object"
+		    prev=
+		  fi
+
+		  # A PIC object.
+		  libobjs+=" $pic_object"
+		  arg="$pic_object"
+		fi
+
+		# Non-PIC object.
+		if test "$non_pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  non_pic_object="$xdir$non_pic_object"
+
+		  # A standard non-PIC object
+		  non_pic_objects+=" $non_pic_object"
+		  if test -z "$pic_object" || test "$pic_object" = none ; then
+		    arg="$non_pic_object"
+		  fi
+		else
+		  # If the PIC object exists, use it instead.
+		  # $xdir was prepended to $pic_object above.
+		  non_pic_object="$pic_object"
+		  non_pic_objects+=" $non_pic_object"
+		fi
+	      else
+		# Only an error if not doing a dry-run.
+		if $opt_dry_run; then
+		  # Extract subdirectory from the argument.
+		  func_dirname "$arg" "/" ""
+		  xdir="$func_dirname_result"
+
+		  func_lo2o "$arg"
+		  pic_object=$xdir$objdir/$func_lo2o_result
+		  non_pic_object=$xdir$func_lo2o_result
+		  libobjs+=" $pic_object"
+		  non_pic_objects+=" $non_pic_object"
+	        else
+		  func_fatal_error "\`$arg' is not a valid libtool object"
+		fi
+	      fi
+	    done
+	  else
+	    func_fatal_error "link input file \`$arg' does not exist"
+	  fi
+	  arg=$save_arg
+	  prev=
+	  continue
+	  ;;
+	precious_regex)
+	  precious_files_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	release)
+	  release="-$arg"
+	  prev=
+	  continue
+	  ;;
+	rpath | xrpath)
+	  # We need an absolute path.
+	  case $arg in
+	  [\\/]* | [A-Za-z]:[\\/]*) ;;
+	  *)
+	    func_fatal_error "only absolute run-paths are allowed"
+	    ;;
+	  esac
+	  if test "$prev" = rpath; then
+	    case "$rpath " in
+	    *" $arg "*) ;;
+	    *) rpath+=" $arg" ;;
+	    esac
+	  else
+	    case "$xrpath " in
+	    *" $arg "*) ;;
+	    *) xrpath+=" $arg" ;;
+	    esac
+	  fi
+	  prev=
+	  continue
+	  ;;
+	shrext)
+	  shrext_cmds="$arg"
+	  prev=
+	  continue
+	  ;;
+	weak)
+	  weak_libs+=" $arg"
+	  prev=
+	  continue
+	  ;;
+	xcclinker)
+	  linker_flags+=" $qarg"
+	  compiler_flags+=" $qarg"
+	  prev=
+	  compile_command+=" $qarg"
+	  finalize_command+=" $qarg"
+	  continue
+	  ;;
+	xcompiler)
+	  compiler_flags+=" $qarg"
+	  prev=
+	  compile_command+=" $qarg"
+	  finalize_command+=" $qarg"
+	  continue
+	  ;;
+	xlinker)
+	  linker_flags+=" $qarg"
+	  compiler_flags+=" $wl$qarg"
+	  prev=
+	  compile_command+=" $wl$qarg"
+	  finalize_command+=" $wl$qarg"
+	  continue
+	  ;;
+	*)
+	  eval "$prev=\"\$arg\""
+	  prev=
+	  continue
+	  ;;
+	esac
+      fi # test -n "$prev"
+
+      prevarg="$arg"
+
+      case $arg in
+      -all-static)
+	if test -n "$link_static_flag"; then
+	  # See comment for -static flag below, for more details.
+	  compile_command+=" $link_static_flag"
+	  finalize_command+=" $link_static_flag"
+	fi
+	continue
+	;;
+
+      -allow-undefined)
+	# FIXME: remove this flag sometime in the future.
+	func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+	;;
+
+      -avoid-version)
+	avoid_version=yes
+	continue
+	;;
+
+      -bindir)
+	prev=bindir
+	continue
+	;;
+
+      -dlopen)
+	prev=dlfiles
+	continue
+	;;
+
+      -dlpreopen)
+	prev=dlprefiles
+	continue
+	;;
+
+      -export-dynamic)
+	export_dynamic=yes
+	continue
+	;;
+
+      -export-symbols | -export-symbols-regex)
+	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	  func_fatal_error "more than one -exported-symbols argument is not allowed"
+	fi
+	if test "X$arg" = "X-export-symbols"; then
+	  prev=expsyms
+	else
+	  prev=expsyms_regex
+	fi
+	continue
+	;;
+
+      -framework)
+	prev=framework
+	continue
+	;;
+
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
+      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+      # so, if we see these flags be careful not to treat them like -L
+      -L[A-Z][A-Z]*:*)
+	case $with_gcc/$host in
+	no/*-*-irix* | /*-*-irix*)
+	  compile_command+=" $arg"
+	  finalize_command+=" $arg"
+	  ;;
+	esac
+	continue
+	;;
+
+      -L*)
+	func_stripname "-L" '' "$arg"
+	if test -z "$func_stripname_result"; then
+	  if test "$#" -gt 0; then
+	    func_fatal_error "require no space between \`-L' and \`$1'"
+	  else
+	    func_fatal_error "need path for \`-L' option"
+	  fi
+	fi
+	func_resolve_sysroot "$func_stripname_result"
+	dir=$func_resolve_sysroot_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  absdir=`cd "$dir" && pwd`
+	  test -z "$absdir" && \
+	    func_fatal_error "cannot determine absolute directory name of \`$dir'"
+	  dir="$absdir"
+	  ;;
+	esac
+	case "$deplibs " in
+	*" -L$dir "* | *" $arg "*)
+	  # Will only happen for absolute or sysroot arguments
+	  ;;
+	*)
+	  # Preserve sysroot, but never include relative directories
+	  case $dir in
+	    [\\/]* | [A-Za-z]:[\\/]* | =*) deplibs+=" $arg" ;;
+	    *) deplibs+=" -L$dir" ;;
+	  esac
+	  lib_search_path+=" $dir"
+	  ;;
+	esac
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$dir:"*) ;;
+	  ::) dllsearchpath=$dir;;
+	  *) dllsearchpath+=":$dir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) dllsearchpath+=":$testbindir";;
+	  esac
+	  ;;
+	esac
+	continue
+	;;
+
+      -l*)
+	if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # These systems don't actually have a C or math library (as such)
+	    continue
+	    ;;
+	  *-*-os2*)
+	    # These systems don't actually have a C library (as such)
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C and math libraries are in the System framework
+	    deplibs+=" System.ltframework"
+	    continue
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  esac
+	elif test "X$arg" = "X-lc_r"; then
+	 case $host in
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	   # Do not include libc_r directly, use -pthread flag.
+	   continue
+	   ;;
+	 esac
+	fi
+	deplibs+=" $arg"
+	continue
+	;;
+
+      -module)
+	module=yes
+	continue
+	;;
+
+      # Tru64 UNIX uses -model [arg] to determine the layout of C++
+      # classes, name mangling, and exception handling.
+      # Darwin uses the -arch flag to determine output architecture.
+      -model|-arch|-isysroot|--sysroot)
+	compiler_flags+=" $arg"
+	compile_command+=" $arg"
+	finalize_command+=" $arg"
+	prev=xcompiler
+	continue
+	;;
+
+      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	compiler_flags+=" $arg"
+	compile_command+=" $arg"
+	finalize_command+=" $arg"
+	case "$new_inherited_linker_flags " in
+	    *" $arg "*) ;;
+	    * ) new_inherited_linker_flags+=" $arg" ;;
+	esac
+	continue
+	;;
+
+      -multi_module)
+	single_module="${wl}-multi_module"
+	continue
+	;;
+
+      -no-fast-install)
+	fast_install=no
+	continue
+	;;
+
+      -no-install)
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
+	  # The PATH hackery in wrapper scripts is required on Windows
+	  # and Darwin in order for the loader to find any dlls it needs.
+	  func_warning "\`-no-install' is ignored for $host"
+	  func_warning "assuming \`-no-fast-install' instead"
+	  fast_install=no
+	  ;;
+	*) no_install=yes ;;
+	esac
+	continue
+	;;
+
+      -no-undefined)
+	allow_undefined=no
+	continue
+	;;
+
+      -objectlist)
+	prev=objectlist
+	continue
+	;;
+
+      -o) prev=output ;;
+
+      -precious-files-regex)
+	prev=precious_regex
+	continue
+	;;
+
+      -release)
+	prev=release
+	continue
+	;;
+
+      -rpath)
+	prev=rpath
+	continue
+	;;
+
+      -R)
+	prev=xrpath
+	continue
+	;;
+
+      -R*)
+	func_stripname '-R' '' "$arg"
+	dir=$func_stripname_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	=*)
+	  func_stripname '=' '' "$dir"
+	  dir=$lt_sysroot$func_stripname_result
+	  ;;
+	*)
+	  func_fatal_error "only absolute run-paths are allowed"
+	  ;;
+	esac
+	case "$xrpath " in
+	*" $dir "*) ;;
+	*) xrpath+=" $dir" ;;
+	esac
+	continue
+	;;
+
+      -shared)
+	# The effects of -shared are defined in a previous loop.
+	continue
+	;;
+
+      -shrext)
+	prev=shrext
+	continue
+	;;
+
+      -static | -static-libtool-libs)
+	# The effects of -static are defined in a previous loop.
+	# We used to do the same as -all-static on platforms that
+	# didn't have a PIC flag, but the assumption that the effects
+	# would be equivalent was wrong.  It would break on at least
+	# Digital Unix and AIX.
+	continue
+	;;
+
+      -thread-safe)
+	thread_safe=yes
+	continue
+	;;
+
+      -version-info)
+	prev=vinfo
+	continue
+	;;
+
+      -version-number)
+	prev=vinfo
+	vinfo_number=yes
+	continue
+	;;
+
+      -weak)
+        prev=weak
+	continue
+	;;
+
+      -Wc,*)
+	func_stripname '-Wc,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  arg+=" $func_quote_for_eval_result"
+	  compiler_flags+=" $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Wl,*)
+	func_stripname '-Wl,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  arg+=" $wl$func_quote_for_eval_result"
+	  compiler_flags+=" $wl$func_quote_for_eval_result"
+	  linker_flags+=" $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Xcompiler)
+	prev=xcompiler
+	continue
+	;;
+
+      -Xlinker)
+	prev=xlinker
+	continue
+	;;
+
+      -XCClinker)
+	prev=xcclinker
+	continue
+	;;
+
+      # -msg_* for osf cc
+      -msg_*)
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      # Flags to be passed through unchanged, with rationale:
+      # -64, -mips[0-9]      enable 64-bit mode for the SGI compiler
+      # -r[0-9][0-9]*        specify processor for the SGI compiler
+      # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
+      # +DA*, +DD*           enable 64-bit mode for the HP compiler
+      # -q*                  compiler args for the IBM compiler
+      # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
+      # -F/path              path to uninstalled frameworks, gcc on darwin
+      # -p, -pg, --coverage, -fprofile-*  profiling flags for GCC
+      # @file                GCC response files
+      # -tp=*                Portland pgcc target processor selection
+      # --sysroot=*          for sysroot support
+      # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+      -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+        compile_command+=" $arg"
+        finalize_command+=" $arg"
+        compiler_flags+=" $arg"
+        continue
+        ;;
+
+      # Some other compiler flag.
+      -* | +*)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      *.$objext)
+	# A standard object.
+	objs+=" $arg"
+	;;
+
+      *.lo)
+	# A libtool-controlled object.
+
+	# Check to see that this really is a libtool object.
+	if func_lalib_unsafe_p "$arg"; then
+	  pic_object=
+	  non_pic_object=
+
+	  # Read the .lo file
+	  func_source "$arg"
+
+	  if test -z "$pic_object" ||
+	     test -z "$non_pic_object" ||
+	     test "$pic_object" = none &&
+	     test "$non_pic_object" = none; then
+	    func_fatal_error "cannot find name of object for \`$arg'"
+	  fi
+
+	  # Extract subdirectory from the argument.
+	  func_dirname "$arg" "/" ""
+	  xdir="$func_dirname_result"
+
+	  if test "$pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    pic_object="$xdir$pic_object"
+
+	    if test "$prev" = dlfiles; then
+	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		dlfiles+=" $pic_object"
+		prev=
+		continue
+	      else
+		# If libtool objects are unsupported, then we need to preload.
+		prev=dlprefiles
+	      fi
+	    fi
+
+	    # CHECK ME:  I think I busted this.  -Ossama
+	    if test "$prev" = dlprefiles; then
+	      # Preload the old-style object.
+	      dlprefiles+=" $pic_object"
+	      prev=
+	    fi
+
+	    # A PIC object.
+	    libobjs+=" $pic_object"
+	    arg="$pic_object"
+	  fi
+
+	  # Non-PIC object.
+	  if test "$non_pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    non_pic_object="$xdir$non_pic_object"
+
+	    # A standard non-PIC object
+	    non_pic_objects+=" $non_pic_object"
+	    if test -z "$pic_object" || test "$pic_object" = none ; then
+	      arg="$non_pic_object"
+	    fi
+	  else
+	    # If the PIC object exists, use it instead.
+	    # $xdir was prepended to $pic_object above.
+	    non_pic_object="$pic_object"
+	    non_pic_objects+=" $non_pic_object"
+	  fi
+	else
+	  # Only an error if not doing a dry-run.
+	  if $opt_dry_run; then
+	    # Extract subdirectory from the argument.
+	    func_dirname "$arg" "/" ""
+	    xdir="$func_dirname_result"
+
+	    func_lo2o "$arg"
+	    pic_object=$xdir$objdir/$func_lo2o_result
+	    non_pic_object=$xdir$func_lo2o_result
+	    libobjs+=" $pic_object"
+	    non_pic_objects+=" $non_pic_object"
+	  else
+	    func_fatal_error "\`$arg' is not a valid libtool object"
+	  fi
+	fi
+	;;
+
+      *.$libext)
+	# An archive.
+	deplibs+=" $arg"
+	old_deplibs+=" $arg"
+	continue
+	;;
+
+      *.la)
+	# A libtool-controlled library.
+
+	func_resolve_sysroot "$arg"
+	if test "$prev" = dlfiles; then
+	  # This library was specified with -dlopen.
+	  dlfiles+=" $func_resolve_sysroot_result"
+	  prev=
+	elif test "$prev" = dlprefiles; then
+	  # The library was specified with -dlpreopen.
+	  dlprefiles+=" $func_resolve_sysroot_result"
+	  prev=
+	else
+	  deplibs+=" $func_resolve_sysroot_result"
+	fi
+	continue
+	;;
+
+      # Some other compiler argument.
+      *)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+      esac # arg
+
+      # Now actually substitute the argument into the commands.
+      if test -n "$arg"; then
+	compile_command+=" $arg"
+	finalize_command+=" $arg"
+      fi
+    done # argument parsing loop
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prevarg' option requires an argument"
+
+    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+      eval arg=\"$export_dynamic_flag_spec\"
+      compile_command+=" $arg"
+      finalize_command+=" $arg"
+    fi
+
+    oldlibs=
+    # calculate the name of the file, without its directory
+    func_basename "$output"
+    outputname="$func_basename_result"
+    libobjs_save="$libobjs"
+
+    if test -n "$shlibpath_var"; then
+      # get the directories listed in $shlibpath_var
+      eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\`
+    else
+      shlib_search_path=
+    fi
+    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+    func_dirname "$output" "/" ""
+    output_objdir="$func_dirname_result$objdir"
+    func_to_tool_file "$output_objdir/"
+    tool_output_objdir=$func_to_tool_file_result
+    # Create the object directory.
+    func_mkdir_p "$output_objdir"
+
+    # Determine the type of output
+    case $output in
+    "")
+      func_fatal_help "you must specify an output file"
+      ;;
+    *.$libext) linkmode=oldlib ;;
+    *.lo | *.$objext) linkmode=obj ;;
+    *.la) linkmode=lib ;;
+    *) linkmode=prog ;; # Anything else should be a program.
+    esac
+
+    specialdeplibs=
+
+    libs=
+    # Find all interdependent deplibs by searching for libraries
+    # that are linked more than once (e.g. -la -lb -la)
+    for deplib in $deplibs; do
+      if $opt_preserve_dup_deps ; then
+	case "$libs " in
+	*" $deplib "*) specialdeplibs+=" $deplib" ;;
+	esac
+      fi
+      libs+=" $deplib"
+    done
+
+    if test "$linkmode" = lib; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if $opt_duplicate_compiler_generated_deps; then
+	for pre_post_dep in $predeps $postdeps; do
+	  case "$pre_post_deps " in
+	  *" $pre_post_dep "*) specialdeplibs+=" $pre_post_deps" ;;
+	  esac
+	  pre_post_deps+=" $pre_post_dep"
+	done
+      fi
+      pre_post_deps=
+    fi
+
+    deplibs=
+    newdependency_libs=
+    newlib_search_path=
+    need_relink=no # whether we're linking any uninstalled libtool libraries
+    notinst_deplibs= # not-installed libtool libraries
+    notinst_path= # paths that contain not-installed libtool libraries
+
+    case $linkmode in
+    lib)
+	passes="conv dlpreopen link"
+	for file in $dlfiles $dlprefiles; do
+	  case $file in
+	  *.la) ;;
+	  *)
+	    func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+	    ;;
+	  esac
+	done
+	;;
+    prog)
+	compile_deplibs=
+	finalize_deplibs=
+	alldeplibs=no
+	newdlfiles=
+	newdlprefiles=
+	passes="conv scan dlopen dlpreopen link"
+	;;
+    *)  passes="conv"
+	;;
+    esac
+
+    for pass in $passes; do
+      # The preopen pass in lib mode reverses $deplibs; put it back here
+      # so that -L comes before libs that need it for instance...
+      if test "$linkmode,$pass" = "lib,link"; then
+	## FIXME: Find the place where the list is rebuilt in the wrong
+	##        order, and fix it there properly
+        tmp_deplibs=
+	for deplib in $deplibs; do
+	  tmp_deplibs="$deplib $tmp_deplibs"
+	done
+	deplibs="$tmp_deplibs"
+      fi
+
+      if test "$linkmode,$pass" = "lib,link" ||
+	 test "$linkmode,$pass" = "prog,scan"; then
+	libs="$deplibs"
+	deplibs=
+      fi
+      if test "$linkmode" = prog; then
+	case $pass in
+	dlopen) libs="$dlfiles" ;;
+	dlpreopen) libs="$dlprefiles" ;;
+	link)
+	  libs="$deplibs %DEPLIBS%"
+	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
+	  ;;
+	esac
+      fi
+      if test "$linkmode,$pass" = "lib,dlpreopen"; then
+	# Collect and forward deplibs of preopened libtool libs
+	for lib in $dlprefiles; do
+	  # Ignore non-libtool-libs
+	  dependency_libs=
+	  func_resolve_sysroot "$lib"
+	  case $lib in
+	  *.la)	func_source "$func_resolve_sysroot_result" ;;
+	  esac
+
+	  # Collect preopened libtool deplibs, except any this library
+	  # has declared as weak libs
+	  for deplib in $dependency_libs; do
+	    func_basename "$deplib"
+            deplib_base=$func_basename_result
+	    case " $weak_libs " in
+	    *" $deplib_base "*) ;;
+	    *) deplibs+=" $deplib" ;;
+	    esac
+	  done
+	done
+	libs="$dlprefiles"
+      fi
+      if test "$pass" = dlopen; then
+	# Collect dlpreopened libraries
+	save_deplibs="$deplibs"
+	deplibs=
+      fi
+
+      for deplib in $libs; do
+	lib=
+	found=no
+	case $deplib in
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    compiler_flags+=" $deplib"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) new_inherited_linker_flags+=" $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-l*)
+	  if test "$linkmode" != lib && test "$linkmode" != prog; then
+	    func_warning "\`-l' is ignored for archives/objects"
+	    continue
+	  fi
+	  func_stripname '-l' '' "$deplib"
+	  name=$func_stripname_result
+	  if test "$linkmode" = lib; then
+	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+	  else
+	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+	  fi
+	  for searchdir in $searchdirs; do
+	    for search_ext in .la $std_shrext .so .a; do
+	      # Search the libtool library
+	      lib="$searchdir/lib${name}${search_ext}"
+	      if test -f "$lib"; then
+		if test "$search_ext" = ".la"; then
+		  found=yes
+		else
+		  found=no
+		fi
+		break 2
+	      fi
+	    done
+	  done
+	  if test "$found" != yes; then
+	    # deplib doesn't seem to be a libtool library
+	    if test "$linkmode,$pass" = "prog,link"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
+	  else # deplib is a libtool library
+	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+	    # We need to do some special things here, and not later.
+	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      case " $predeps $postdeps " in
+	      *" $deplib "*)
+		if func_lalib_p "$lib"; then
+		  library_names=
+		  old_library=
+		  func_source "$lib"
+		  for l in $old_library $library_names; do
+		    ll="$l"
+		  done
+		  if test "X$ll" = "X$old_library" ; then # only static version available
+		    found=no
+		    func_dirname "$lib" "" "."
+		    ladir="$func_dirname_result"
+		    lib=$ladir/$old_library
+		    if test "$linkmode,$pass" = "prog,link"; then
+		      compile_deplibs="$deplib $compile_deplibs"
+		      finalize_deplibs="$deplib $finalize_deplibs"
+		    else
+		      deplibs="$deplib $deplibs"
+		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+		    fi
+		    continue
+		  fi
+		fi
+		;;
+	      *) ;;
+	      esac
+	    fi
+	  fi
+	  ;; # -l
+	*.ltframework)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    deplibs="$deplib $deplibs"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) new_inherited_linker_flags+=" $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-L*)
+	  case $linkmode in
+	  lib)
+	    deplibs="$deplib $deplibs"
+	    test "$pass" = conv && continue
+	    newdependency_libs="$deplib $newdependency_libs"
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    newlib_search_path+=" $func_resolve_sysroot_result"
+	    ;;
+	  prog)
+	    if test "$pass" = conv; then
+	      deplibs="$deplib $deplibs"
+	      continue
+	    fi
+	    if test "$pass" = scan; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    newlib_search_path+=" $func_resolve_sysroot_result"
+	    ;;
+	  *)
+	    func_warning "\`-L' is ignored for archives/objects"
+	    ;;
+	  esac # linkmode
+	  continue
+	  ;; # -L
+	-R*)
+	  if test "$pass" = link; then
+	    func_stripname '-R' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    dir=$func_resolve_sysroot_result
+	    # Make sure the xrpath contains only unique directories.
+	    case "$xrpath " in
+	    *" $dir "*) ;;
+	    *) xrpath+=" $dir" ;;
+	    esac
+	  fi
+	  deplibs="$deplib $deplibs"
+	  continue
+	  ;;
+	*.la)
+	  func_resolve_sysroot "$deplib"
+	  lib=$func_resolve_sysroot_result
+	  ;;
+	*.$libext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	    continue
+	  fi
+	  case $linkmode in
+	  lib)
+	    # Linking convenience modules into shared libraries is allowed,
+	    # but linking other static libraries is non-portable.
+	    case " $dlpreconveniencelibs " in
+	    *" $deplib "*) ;;
+	    *)
+	      valid_a_lib=no
+	      case $deplibs_check_method in
+		match_pattern*)
+		  set dummy $deplibs_check_method; shift
+		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+		  if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
+		    | $EGREP "$match_pattern_regex" > /dev/null; then
+		    valid_a_lib=yes
+		  fi
+		;;
+		pass_all)
+		  valid_a_lib=yes
+		;;
+	      esac
+	      if test "$valid_a_lib" != yes; then
+		echo
+		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because the file extensions .$libext of this argument makes me believe"
+		echo "*** that it is just a static archive that I should not use here."
+	      else
+		echo
+		$ECHO "*** Warning: Linking the shared library $output against the"
+		$ECHO "*** static library $deplib is not portable!"
+		deplibs="$deplib $deplibs"
+	      fi
+	      ;;
+	    esac
+	    continue
+	    ;;
+	  prog)
+	    if test "$pass" != link; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    continue
+	    ;;
+	  esac # linkmode
+	  ;; # *.$libext
+	*.lo | *.$objext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	  elif test "$linkmode" = prog; then
+	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+	      # If there is no dlopen support or we're linking statically,
+	      # we need to preload.
+	      newdlprefiles+=" $deplib"
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      newdlfiles+=" $deplib"
+	    fi
+	  fi
+	  continue
+	  ;;
+	%DEPLIBS%)
+	  alldeplibs=yes
+	  continue
+	  ;;
+	esac # case $deplib
+
+	if test "$found" = yes || test -f "$lib"; then :
+	else
+	  func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
+	fi
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$lib" \
+	  || func_fatal_error "\`$lib' is not a valid libtool archive"
+
+	func_dirname "$lib" "" "."
+	ladir="$func_dirname_result"
+
+	dlname=
+	dlopen=
+	dlpreopen=
+	libdir=
+	library_names=
+	old_library=
+	inherited_linker_flags=
+	# If the library was installed with an old release of libtool,
+	# it will not redefine variables installed, or shouldnotlink
+	installed=yes
+	shouldnotlink=no
+	avoidtemprpath=
+
+
+	# Read the .la file
+	func_source "$lib"
+
+	# Convert "-framework foo" to "foo.ltframework"
+	if test -n "$inherited_linker_flags"; then
+	  tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'`
+	  for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+	    case " $new_inherited_linker_flags " in
+	      *" $tmp_inherited_linker_flag "*) ;;
+	      *) new_inherited_linker_flags+=" $tmp_inherited_linker_flag";;
+	    esac
+	  done
+	fi
+	dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	if test "$linkmode,$pass" = "lib,link" ||
+	   test "$linkmode,$pass" = "prog,scan" ||
+	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+	  test -n "$dlopen" && dlfiles+=" $dlopen"
+	  test -n "$dlpreopen" && dlprefiles+=" $dlpreopen"
+	fi
+
+	if test "$pass" = conv; then
+	  # Only check for convenience libraries
+	  deplibs="$lib $deplibs"
+	  if test -z "$libdir"; then
+	    if test -z "$old_library"; then
+	      func_fatal_error "cannot find name of link library for \`$lib'"
+	    fi
+	    # It is a libtool convenience library, so add in its objects.
+	    convenience+=" $ladir/$objdir/$old_library"
+	    old_convenience+=" $ladir/$objdir/$old_library"
+	    tmp_libs=
+	    for deplib in $dependency_libs; do
+	      deplibs="$deplib $deplibs"
+	      if $opt_preserve_dup_deps ; then
+		case "$tmp_libs " in
+		*" $deplib "*) specialdeplibs+=" $deplib" ;;
+		esac
+	      fi
+	      tmp_libs+=" $deplib"
+	    done
+	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
+	    func_fatal_error "\`$lib' is not a convenience library"
+	  fi
+	  continue
+	fi # $pass = conv
+
+
+	# Get the name of the library we link against.
+	linklib=
+	if test -n "$old_library" &&
+	   { test "$prefer_static_libs" = yes ||
+	     test "$prefer_static_libs,$installed" = "built,no"; }; then
+	  linklib=$old_library
+	else
+	  for l in $old_library $library_names; do
+	    linklib="$l"
+	  done
+	fi
+	if test -z "$linklib"; then
+	  func_fatal_error "cannot find name of link library for \`$lib'"
+	fi
+
+	# This library was specified with -dlopen.
+	if test "$pass" = dlopen; then
+	  if test -z "$libdir"; then
+	    func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
+	  fi
+	  if test -z "$dlname" ||
+	     test "$dlopen_support" != yes ||
+	     test "$build_libtool_libs" = no; then
+	    # If there is no dlname, no dlopen support or we're linking
+	    # statically, we need to preload.  We also need to preload any
+	    # dependent libraries so libltdl's deplib preloader doesn't
+	    # bomb out in the load deplibs phase.
+	    dlprefiles+=" $lib $dependency_libs"
+	  else
+	    newdlfiles+=" $lib"
+	  fi
+	  continue
+	fi # $pass = dlopen
+
+	# We need an absolute path.
+	case $ladir in
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+	*)
+	  abs_ladir=`cd "$ladir" && pwd`
+	  if test -z "$abs_ladir"; then
+	    func_warning "cannot determine absolute directory name of \`$ladir'"
+	    func_warning "passing it literally to the linker, although it might fail"
+	    abs_ladir="$ladir"
+	  fi
+	  ;;
+	esac
+	func_basename "$lib"
+	laname="$func_basename_result"
+
+	# Find the relevant object directory and library name.
+	if test "X$installed" = Xyes; then
+	  if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    func_warning "library \`$lib' was moved."
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    libdir="$abs_ladir"
+	  else
+	    dir="$lt_sysroot$libdir"
+	    absdir="$lt_sysroot$libdir"
+	  fi
+	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+	else
+	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    # Remove this search path later
+	    notinst_path+=" $abs_ladir"
+	  else
+	    dir="$ladir/$objdir"
+	    absdir="$abs_ladir/$objdir"
+	    # Remove this search path later
+	    notinst_path+=" $abs_ladir"
+	  fi
+	fi # $installed = yes
+	func_stripname 'lib' '.la' "$laname"
+	name=$func_stripname_result
+
+	# This library was specified with -dlpreopen.
+	if test "$pass" = dlpreopen; then
+	  if test -z "$libdir" && test "$linkmode" = prog; then
+	    func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+	  fi
+	  case "$host" in
+	    # special handling for platforms with PE-DLLs.
+	    *cygwin* | *mingw* | *cegcc* )
+	      # Linker will automatically link against shared library if both
+	      # static and shared are present.  Therefore, ensure we extract
+	      # symbols from the import library if a shared library is present
+	      # (otherwise, the dlopen module name will be incorrect).  We do
+	      # this by putting the import library name into $newdlprefiles.
+	      # We recover the dlopen module name by 'saving' the la file
+	      # name in a special purpose variable, and (later) extracting the
+	      # dlname from the la file.
+	      if test -n "$dlname"; then
+	        func_tr_sh "$dir/$linklib"
+	        eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
+	        newdlprefiles+=" $dir/$linklib"
+	      else
+	        newdlprefiles+=" $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          dlpreconveniencelibs+=" $dir/$old_library"
+	      fi
+	    ;;
+	    * )
+	      # Prefer using a static library (so that no silly _DYNAMIC symbols
+	      # are required to link).
+	      if test -n "$old_library"; then
+	        newdlprefiles+=" $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          dlpreconveniencelibs+=" $dir/$old_library"
+	      # Otherwise, use the dlname, so that lt_dlopen finds it.
+	      elif test -n "$dlname"; then
+	        newdlprefiles+=" $dir/$dlname"
+	      else
+	        newdlprefiles+=" $dir/$linklib"
+	      fi
+	    ;;
+	  esac
+	fi # $pass = dlpreopen
+
+	if test -z "$libdir"; then
+	  # Link the convenience library
+	  if test "$linkmode" = lib; then
+	    deplibs="$dir/$old_library $deplibs"
+	  elif test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$dir/$old_library $compile_deplibs"
+	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
+	  else
+	    deplibs="$lib $deplibs" # used for prog,scan pass
+	  fi
+	  continue
+	fi
+
+
+	if test "$linkmode" = prog && test "$pass" != link; then
+	  newlib_search_path+=" $ladir"
+	  deplibs="$lib $deplibs"
+
+	  linkalldeplibs=no
+	  if test "$link_all_deplibs" != no || test -z "$library_names" ||
+	     test "$build_libtool_libs" = no; then
+	    linkalldeplibs=yes
+	  fi
+
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    case $deplib in
+	    -L*) func_stripname '-L' '' "$deplib"
+	         func_resolve_sysroot "$func_stripname_result"
+	         newlib_search_path+=" $func_resolve_sysroot_result"
+		 ;;
+	    esac
+	    # Need to link against all dependency_libs?
+	    if test "$linkalldeplibs" = yes; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      # Need to hardcode shared library paths
+	      # or/and link against static libraries
+	      newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    if $opt_preserve_dup_deps ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs+=" $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs+=" $deplib"
+	  done # for deplib
+	  continue
+	fi # $linkmode = prog...
+
+	if test "$linkmode,$pass" = "prog,link"; then
+	  if test -n "$library_names" &&
+	     { { test "$prefer_static_libs" = no ||
+	         test "$prefer_static_libs,$installed" = "built,yes"; } ||
+	       test -z "$old_library"; }; then
+	    # We need to hardcode the library path
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+	      # Make sure the rpath contains only unique directories.
+	      case "$temp_rpath:" in
+	      *"$absdir:"*) ;;
+	      *) temp_rpath+="$absdir:" ;;
+	      esac
+	    fi
+
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath+=" $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath+=" $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi # $linkmode,$pass = prog,link...
+
+	  if test "$alldeplibs" = yes &&
+	     { test "$deplibs_check_method" = pass_all ||
+	       { test "$build_libtool_libs" = yes &&
+		 test -n "$library_names"; }; }; then
+	    # We only need to search for static libraries
+	    continue
+	  fi
+	fi
+
+	link_static=no # Whether the deplib will be linked statically
+	use_static_libs=$prefer_static_libs
+	if test "$use_static_libs" = built && test "$installed" = yes; then
+	  use_static_libs=no
+	fi
+	if test -n "$library_names" &&
+	   { test "$use_static_libs" = no || test -z "$old_library"; }; then
+	  case $host in
+	  *cygwin* | *mingw* | *cegcc*)
+	      # No point in relinking DLLs because paths are not encoded
+	      notinst_deplibs+=" $lib"
+	      need_relink=no
+	    ;;
+	  *)
+	    if test "$installed" = no; then
+	      notinst_deplibs+=" $lib"
+	      need_relink=yes
+	    fi
+	    ;;
+	  esac
+	  # This is a shared library
+
+	  # Warn about portability, can't link against -module's on some
+	  # systems (darwin).  Don't bleat about dlopened modules though!
+	  dlopenmodule=""
+	  for dlpremoduletest in $dlprefiles; do
+	    if test "X$dlpremoduletest" = "X$lib"; then
+	      dlopenmodule="$dlpremoduletest"
+	      break
+	    fi
+	  done
+	  if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+	    echo
+	    if test "$linkmode" = prog; then
+	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
+	    else
+	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+	    fi
+	    $ECHO "*** $linklib is not portable!"
+	  fi
+	  if test "$linkmode" = lib &&
+	     test "$hardcode_into_libs" = yes; then
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath+=" $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath+=" $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi
+
+	  if test -n "$old_archive_from_expsyms_cmds"; then
+	    # figure out the soname
+	    set dummy $library_names
+	    shift
+	    realname="$1"
+	    shift
+	    libname=`eval "\\$ECHO \"$libname_spec\""`
+	    # use dlname if we got it. it's perfectly good, no?
+	    if test -n "$dlname"; then
+	      soname="$dlname"
+	    elif test -n "$soname_spec"; then
+	      # bleh windows
+	      case $host in
+	      *cygwin* | mingw* | *cegcc*)
+	        func_arith $current - $age
+		major=$func_arith_result
+		versuffix="-$major"
+		;;
+	      esac
+	      eval soname=\"$soname_spec\"
+	    else
+	      soname="$realname"
+	    fi
+
+	    # Make a new name for the extract_expsyms_cmds to use
+	    soroot="$soname"
+	    func_basename "$soroot"
+	    soname="$func_basename_result"
+	    func_stripname 'lib' '.dll' "$soname"
+	    newlib=libimp-$func_stripname_result.a
+
+	    # If the library has no export list, then create one now
+	    if test -f "$output_objdir/$soname-def"; then :
+	    else
+	      func_verbose "extracting exported symbol list from \`$soname'"
+	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+	    fi
+
+	    # Create $newlib
+	    if test -f "$output_objdir/$newlib"; then :; else
+	      func_verbose "generating import library for \`$soname'"
+	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+	    fi
+	    # make sure the library variables are pointing to the new library
+	    dir=$output_objdir
+	    linklib=$newlib
+	  fi # test -n "$old_archive_from_expsyms_cmds"
+
+	  if test "$linkmode" = prog || test "$opt_mode" != relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    lib_linked=yes
+	    case $hardcode_action in
+	    immediate | unsupported)
+	      if test "$hardcode_direct" = no; then
+		add="$dir/$linklib"
+		case $host in
+		  *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+		  *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+		    *-*-unixware7*) add_dir="-L$dir" ;;
+		  *-*-darwin* )
+		    # if the lib is a (non-dlopened) module then we can not
+		    # link against it, someone is ignoring the earlier warnings
+		    if /usr/bin/file -L $add 2> /dev/null |
+			 $GREP ": [^:]* bundle" >/dev/null ; then
+		      if test "X$dlopenmodule" != "X$lib"; then
+			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
+			if test -z "$old_library" ; then
+			  echo
+			  echo "*** And there doesn't seem to be a static archive available"
+			  echo "*** The link will probably fail, sorry"
+			else
+			  add="$dir/$old_library"
+			fi
+		      elif test -n "$old_library"; then
+			add="$dir/$old_library"
+		      fi
+		    fi
+		esac
+	      elif test "$hardcode_minus_L" = no; then
+		case $host in
+		*-*-sunos*) add_shlibpath="$dir" ;;
+		esac
+		add_dir="-L$dir"
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = no; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    relink)
+	      if test "$hardcode_direct" = yes &&
+	         test "$hardcode_direct_absolute" = no; then
+		add="$dir/$linklib"
+	      elif test "$hardcode_minus_L" = yes; then
+		add_dir="-L$absdir"
+		# Try looking first in the location we're being installed to.
+		if test -n "$inst_prefix_dir"; then
+		  case $libdir in
+		    [\\/]*)
+		      add_dir+=" -L$inst_prefix_dir$libdir"
+		      ;;
+		  esac
+		fi
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = yes; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    *) lib_linked=no ;;
+	    esac
+
+	    if test "$lib_linked" != yes; then
+	      func_fatal_configuration "unsupported hardcode properties"
+	    fi
+
+	    if test -n "$add_shlibpath"; then
+	      case :$compile_shlibpath: in
+	      *":$add_shlibpath:"*) ;;
+	      *) compile_shlibpath+="$add_shlibpath:" ;;
+	      esac
+	    fi
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	      if test "$hardcode_direct" != yes &&
+		 test "$hardcode_minus_L" != yes &&
+		 test "$hardcode_shlibpath_var" = yes; then
+		case :$finalize_shlibpath: in
+		*":$libdir:"*) ;;
+		*) finalize_shlibpath+="$libdir:" ;;
+		esac
+	      fi
+	    fi
+	  fi
+
+	  if test "$linkmode" = prog || test "$opt_mode" = relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    # Finalize command for both is simple: just hardcode it.
+	    if test "$hardcode_direct" = yes &&
+	       test "$hardcode_direct_absolute" = no; then
+	      add="$libdir/$linklib"
+	    elif test "$hardcode_minus_L" = yes; then
+	      add_dir="-L$libdir"
+	      add="-l$name"
+	    elif test "$hardcode_shlibpath_var" = yes; then
+	      case :$finalize_shlibpath: in
+	      *":$libdir:"*) ;;
+	      *) finalize_shlibpath+="$libdir:" ;;
+	      esac
+	      add="-l$name"
+	    elif test "$hardcode_automatic" = yes; then
+	      if test -n "$inst_prefix_dir" &&
+		 test -f "$inst_prefix_dir$libdir/$linklib" ; then
+		add="$inst_prefix_dir$libdir/$linklib"
+	      else
+		add="$libdir/$linklib"
+	      fi
+	    else
+	      # We cannot seem to hardcode it, guess we'll fake it.
+	      add_dir="-L$libdir"
+	      # Try looking first in the location we're being installed to.
+	      if test -n "$inst_prefix_dir"; then
+		case $libdir in
+		  [\\/]*)
+		    add_dir+=" -L$inst_prefix_dir$libdir"
+		    ;;
+		esac
+	      fi
+	      add="-l$name"
+	    fi
+
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	    fi
+	  fi
+	elif test "$linkmode" = prog; then
+	  # Here we assume that one of hardcode_direct or hardcode_minus_L
+	  # is not unsupported.  This is valid on all known static and
+	  # shared platforms.
+	  if test "$hardcode_direct" != unsupported; then
+	    test -n "$old_library" && linklib="$old_library"
+	    compile_deplibs="$dir/$linklib $compile_deplibs"
+	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
+	  else
+	    compile_deplibs="-l$name -L$dir $compile_deplibs"
+	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+	  fi
+	elif test "$build_libtool_libs" = yes; then
+	  # Not a shared library
+	  if test "$deplibs_check_method" != pass_all; then
+	    # We're trying link a shared library against a static one
+	    # but the system doesn't support it.
+
+	    # Just print a warning and add the library to dependency_libs so
+	    # that the program can be linked against the static library.
+	    echo
+	    $ECHO "*** Warning: This system can not link to static lib archive $lib."
+	    echo "*** I have the capability to make that library automatically link in when"
+	    echo "*** you link to this library.  But I can only do this if you have a"
+	    echo "*** shared version of the library, which you do not appear to have."
+	    if test "$module" = yes; then
+	      echo "*** But as you try to build a module library, libtool will still create "
+	      echo "*** a static module, that should work as long as the dlopening application"
+	      echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+	      if test -z "$global_symbol_pipe"; then
+		echo
+		echo "*** However, this would only work if libtool was able to extract symbol"
+		echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+		echo "*** not find such a program.  So, this module is probably useless."
+		echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	      fi
+	      if test "$build_old_libs" = no; then
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  else
+	    deplibs="$dir/$old_library $deplibs"
+	    link_static=yes
+	  fi
+	fi # link shared/static library?
+
+	if test "$linkmode" = lib; then
+	  if test -n "$dependency_libs" &&
+	     { test "$hardcode_into_libs" != yes ||
+	       test "$build_old_libs" = yes ||
+	       test "$link_static" = yes; }; then
+	    # Extract -R from dependency_libs
+	    temp_deplibs=
+	    for libdir in $dependency_libs; do
+	      case $libdir in
+	      -R*) func_stripname '-R' '' "$libdir"
+	           temp_xrpath=$func_stripname_result
+		   case " $xrpath " in
+		   *" $temp_xrpath "*) ;;
+		   *) xrpath+=" $temp_xrpath";;
+		   esac;;
+	      *) temp_deplibs+=" $libdir";;
+	      esac
+	    done
+	    dependency_libs="$temp_deplibs"
+	  fi
+
+	  newlib_search_path+=" $absdir"
+	  # Link against this library
+	  test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  # ... and its dependency_libs
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    newdependency_libs="$deplib $newdependency_libs"
+	    case $deplib in
+              -L*) func_stripname '-L' '' "$deplib"
+                   func_resolve_sysroot "$func_stripname_result";;
+              *) func_resolve_sysroot "$deplib" ;;
+            esac
+	    if $opt_preserve_dup_deps ; then
+	      case "$tmp_libs " in
+	      *" $func_resolve_sysroot_result "*)
+                specialdeplibs+=" $func_resolve_sysroot_result" ;;
+	      esac
+	    fi
+	    tmp_libs+=" $func_resolve_sysroot_result"
+	  done
+
+	  if test "$link_all_deplibs" != no; then
+	    # Add the search paths of all dependency libraries
+	    for deplib in $dependency_libs; do
+	      path=
+	      case $deplib in
+	      -L*) path="$deplib" ;;
+	      *.la)
+	        func_resolve_sysroot "$deplib"
+	        deplib=$func_resolve_sysroot_result
+	        func_dirname "$deplib" "" "."
+		dir=$func_dirname_result
+		# We need an absolute path.
+		case $dir in
+		[\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+		*)
+		  absdir=`cd "$dir" && pwd`
+		  if test -z "$absdir"; then
+		    func_warning "cannot determine absolute directory name of \`$dir'"
+		    absdir="$dir"
+		  fi
+		  ;;
+		esac
+		if $GREP "^installed=no" $deplib > /dev/null; then
+		case $host in
+		*-*-darwin*)
+		  depdepl=
+		  eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names" ; then
+		    for tmp in $deplibrary_names ; do
+		      depdepl=$tmp
+		    done
+		    if test -f "$absdir/$objdir/$depdepl" ; then
+		      depdepl="$absdir/$objdir/$depdepl"
+		      darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+                      if test -z "$darwin_install_name"; then
+                          darwin_install_name=`${OTOOL64} -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
+                      fi
+		      compiler_flags+=" ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
+		      linker_flags+=" -dylib_file ${darwin_install_name}:${depdepl}"
+		      path=
+		    fi
+		  fi
+		  ;;
+		*)
+		  path="-L$absdir/$objdir"
+		  ;;
+		esac
+		else
+		  eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  test -z "$libdir" && \
+		    func_fatal_error "\`$deplib' is not a valid libtool archive"
+		  test "$absdir" != "$libdir" && \
+		    func_warning "\`$deplib' seems to be moved"
+
+		  path="-L$absdir"
+		fi
+		;;
+	      esac
+	      case " $deplibs " in
+	      *" $path "*) ;;
+	      *) deplibs="$path $deplibs" ;;
+	      esac
+	    done
+	  fi # link_all_deplibs != no
+	fi # linkmode = lib
+      done # for deplib in $libs
+      if test "$pass" = link; then
+	if test "$linkmode" = "prog"; then
+	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+	else
+	  compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	fi
+      fi
+      dependency_libs="$newdependency_libs"
+      if test "$pass" = dlpreopen; then
+	# Link the dlpreopened libraries before other libraries
+	for deplib in $save_deplibs; do
+	  deplibs="$deplib $deplibs"
+	done
+      fi
+      if test "$pass" != dlopen; then
+	if test "$pass" != conv; then
+	  # Make sure lib_search_path contains only unique directories.
+	  lib_search_path=
+	  for dir in $newlib_search_path; do
+	    case "$lib_search_path " in
+	    *" $dir "*) ;;
+	    *) lib_search_path+=" $dir" ;;
+	    esac
+	  done
+	  newlib_search_path=
+	fi
+
+	if test "$linkmode,$pass" != "prog,link"; then
+	  vars="deplibs"
+	else
+	  vars="compile_deplibs finalize_deplibs"
+	fi
+	for var in $vars dependency_libs; do
+	  # Add libraries to $var in reverse order
+	  eval tmp_libs=\"\$$var\"
+	  new_libs=
+	  for deplib in $tmp_libs; do
+	    # FIXME: Pedantically, this is the right thing to do, so
+	    #        that some nasty dependency loop isn't accidentally
+	    #        broken:
+	    #new_libs="$deplib $new_libs"
+	    # Pragmatically, this seems to cause very few problems in
+	    # practice:
+	    case $deplib in
+	    -L*) new_libs="$deplib $new_libs" ;;
+	    -R*) ;;
+	    *)
+	      # And here is the reason: when a library appears more
+	      # than once as an explicit dependence of a library, or
+	      # is implicitly linked in more than once by the
+	      # compiler, it is considered special, and multiple
+	      # occurrences thereof are not removed.  Compare this
+	      # with having the same library being listed as a
+	      # dependency of multiple other libraries: in this case,
+	      # we know (pedantically, we assume) the library does not
+	      # need to be listed more than once, so we keep only the
+	      # last copy.  This is not always right, but it is rare
+	      # enough that we require users that really mean to play
+	      # such unportable linking tricks to link the library
+	      # using -Wl,-lname, so that libtool does not consider it
+	      # for duplicate removal.
+	      case " $specialdeplibs " in
+	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
+	      *)
+		case " $new_libs " in
+		*" $deplib "*) ;;
+		*) new_libs="$deplib $new_libs" ;;
+		esac
+		;;
+	      esac
+	      ;;
+	    esac
+	  done
+	  tmp_libs=
+	  for deplib in $new_libs; do
+	    case $deplib in
+	    -L*)
+	      case " $tmp_libs " in
+	      *" $deplib "*) ;;
+	      *) tmp_libs+=" $deplib" ;;
+	      esac
+	      ;;
+	    *) tmp_libs+=" $deplib" ;;
+	    esac
+	  done
+	  eval $var=\"$tmp_libs\"
+	done # for var
+      fi
+      # Last step: remove runtime libs from dependency_libs
+      # (they stay in deplibs)
+      tmp_libs=
+      for i in $dependency_libs ; do
+	case " $predeps $postdeps $compiler_lib_search_path " in
+	*" $i "*)
+	  i=""
+	  ;;
+	esac
+	if test -n "$i" ; then
+	  tmp_libs+=" $i"
+	fi
+      done
+      dependency_libs=$tmp_libs
+    done # for pass
+    if test "$linkmode" = prog; then
+      dlfiles="$newdlfiles"
+    fi
+    if test "$linkmode" = prog || test "$linkmode" = lib; then
+      dlprefiles="$newdlprefiles"
+    fi
+
+    case $linkmode in
+    oldlib)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for archives"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for archives" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for archives"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for archives"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info/-version-number' is ignored for archives"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for archives"
+
+      test -n "$export_symbols$export_symbols_regex" && \
+	func_warning "\`-export-symbols' is ignored for archives"
+
+      # Now set the variables for building old libraries.
+      build_libtool_libs=no
+      oldlibs="$output"
+      objs+="$old_deplibs"
+      ;;
+
+    lib)
+      # Make sure we only generate libraries of the form `libNAME.la'.
+      case $outputname in
+      lib*)
+	func_stripname 'lib' '.la' "$outputname"
+	name=$func_stripname_result
+	eval shared_ext=\"$shrext_cmds\"
+	eval libname=\"$libname_spec\"
+	;;
+      *)
+	test "$module" = no && \
+	  func_fatal_help "libtool library \`$output' must begin with \`lib'"
+
+	if test "$need_lib_prefix" != no; then
+	  # Add the "lib" prefix for modules if required
+	  func_stripname '' '.la' "$outputname"
+	  name=$func_stripname_result
+	  eval shared_ext=\"$shrext_cmds\"
+	  eval libname=\"$libname_spec\"
+	else
+	  func_stripname '' '.la' "$outputname"
+	  libname=$func_stripname_result
+	fi
+	;;
+      esac
+
+      if test -n "$objs"; then
+	if test "$deplibs_check_method" != pass_all; then
+	  func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+	else
+	  echo
+	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+	  $ECHO "*** objects $objs is not portable!"
+	  libobjs+=" $objs"
+	fi
+      fi
+
+      test "$dlself" != no && \
+	func_warning "\`-dlopen self' is ignored for libtool libraries"
+
+      set dummy $rpath
+      shift
+      test "$#" -gt 1 && \
+	func_warning "ignoring multiple \`-rpath's for a libtool library"
+
+      install_libdir="$1"
+
+      oldlibs=
+      if test -z "$rpath"; then
+	if test "$build_libtool_libs" = yes; then
+	  # Building a libtool convenience library.
+	  # Some compilers have problems with a `.al' extension so
+	  # convenience libraries should have the same extension an
+	  # archive normally would.
+	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
+	  build_libtool_libs=convenience
+	  build_old_libs=yes
+	fi
+
+	test -n "$vinfo" && \
+	  func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+
+	test -n "$release" && \
+	  func_warning "\`-release' is ignored for convenience libraries"
+      else
+
+	# Parse the version information argument.
+	save_ifs="$IFS"; IFS=':'
+	set dummy $vinfo 0 0 0
+	shift
+	IFS="$save_ifs"
+
+	test -n "$7" && \
+	  func_fatal_help "too many parameters to \`-version-info'"
+
+	# convert absolute version numbers to libtool ages
+	# this retains compatibility with .la files and attempts
+	# to make the code below a bit more comprehensible
+
+	case $vinfo_number in
+	yes)
+	  number_major="$1"
+	  number_minor="$2"
+	  number_revision="$3"
+	  #
+	  # There are really only two kinds -- those that
+	  # use the current revision as the major version
+	  # and those that subtract age and use age as
+	  # a minor version.  But, then there is irix
+	  # which has an extra 1 added just for fun
+	  #
+	  case $version_type in
+	  # correct linux to gnu/linux during the next big refactor
+	  darwin|linux|osf|windows|none)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_revision"
+	    ;;
+	  freebsd-aout|freebsd-elf|qnx|sunos)
+	    current="$number_major"
+	    revision="$number_minor"
+	    age="0"
+	    ;;
+	  irix|nonstopux)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_minor"
+	    lt_irix_increment=no
+	    ;;
+	  *)
+	    func_fatal_configuration "$modename: unknown library version type \`$version_type'"
+	    ;;
+	  esac
+	  ;;
+	no)
+	  current="$1"
+	  revision="$2"
+	  age="$3"
+	  ;;
+	esac
+
+	# Check that each of the things are valid numbers.
+	case $current in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "CURRENT \`$current' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $revision in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "REVISION \`$revision' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $age in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "AGE \`$age' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	if test "$age" -gt "$current"; then
+	  func_error "AGE \`$age' is greater than the current interface number \`$current'"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	fi
+
+	# Calculate the version variables.
+	major=
+	versuffix=
+	verstring=
+	case $version_type in
+	none) ;;
+
+	darwin)
+	  # Like Linux, but with the current version available in
+	  # verstring for coding it into the library header
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  # Darwin ld doesn't like 0 for these options...
+	  func_arith $current + 1
+	  minor_current=$func_arith_result
+	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+	  ;;
+
+	freebsd-aout)
+	  major=".$current"
+	  versuffix=".$current.$revision";
+	  ;;
+
+	freebsd-elf)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	irix | nonstopux)
+	  if test "X$lt_irix_increment" = "Xno"; then
+	    func_arith $current - $age
+	  else
+	    func_arith $current - $age + 1
+	  fi
+	  major=$func_arith_result
+
+	  case $version_type in
+	    nonstopux) verstring_prefix=nonstopux ;;
+	    *)         verstring_prefix=sgi ;;
+	  esac
+	  verstring="$verstring_prefix$major.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$revision
+	  while test "$loop" -ne 0; do
+	    func_arith $revision - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring_prefix$major.$iface:$verstring"
+	  done
+
+	  # Before this point, $major must not contain `.'.
+	  major=.$major
+	  versuffix="$major.$revision"
+	  ;;
+
+	linux) # correct to gnu/linux during the next big refactor
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  ;;
+
+	osf)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=".$current.$age.$revision"
+	  verstring="$current.$age.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$age
+	  while test "$loop" -ne 0; do
+	    func_arith $current - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring:${iface}.0"
+	  done
+
+	  # Make executables depend on our current version.
+	  verstring+=":${current}.0"
+	  ;;
+
+	qnx)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	sunos)
+	  major=".$current"
+	  versuffix=".$current.$revision"
+	  ;;
+
+	windows)
+	  # Use '-' rather than '.', since we only want one
+	  # extension on DOS 8.3 filesystems.
+	  func_arith $current - $age
+	  major=$func_arith_result
+	  versuffix="-$major"
+	  ;;
+
+	*)
+	  func_fatal_configuration "unknown library version type \`$version_type'"
+	  ;;
+	esac
+
+	# Clear the version info if we defaulted, and they specified a release.
+	if test -z "$vinfo" && test -n "$release"; then
+	  major=
+	  case $version_type in
+	  darwin)
+	    # we can't check for "0.0" in archive_cmds due to quoting
+	    # problems, so we reset it completely
+	    verstring=
+	    ;;
+	  *)
+	    verstring="0.0"
+	    ;;
+	  esac
+	  if test "$need_version" = no; then
+	    versuffix=
+	  else
+	    versuffix=".0.0"
+	  fi
+	fi
+
+	# Remove version info from name if versioning should be avoided
+	if test "$avoid_version" = yes && test "$need_version" = no; then
+	  major=
+	  versuffix=
+	  verstring=""
+	fi
+
+	# Check to see if the archive will have undefined symbols.
+	if test "$allow_undefined" = yes; then
+	  if test "$allow_undefined_flag" = unsupported; then
+	    func_warning "undefined symbols not allowed in $host shared libraries"
+	    build_libtool_libs=no
+	    build_old_libs=yes
+	  fi
+	else
+	  # Don't allow undefined symbols.
+	  allow_undefined_flag="$no_undefined_flag"
+	fi
+
+      fi
+
+      func_generate_dlsyms "$libname" "$libname" "yes"
+      libobjs+=" $symfileobj"
+      test "X$libobjs" = "X " && libobjs=
+
+      if test "$opt_mode" != relink; then
+	# Remove our outputs, but don't remove object files since they
+	# may have been created when compiling PIC objects.
+	removelist=
+	tempremovelist=`$ECHO "$output_objdir/*"`
+	for p in $tempremovelist; do
+	  case $p in
+	    *.$objext | *.gcno)
+	       ;;
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+	       if test "X$precious_files_regex" != "X"; then
+		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+		 then
+		   continue
+		 fi
+	       fi
+	       removelist+=" $p"
+	       ;;
+	    *) ;;
+	  esac
+	done
+	test -n "$removelist" && \
+	  func_show_eval "${RM}r \$removelist"
+      fi
+
+      # Now set the variables for building old libraries.
+      if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+	oldlibs+=" $output_objdir/$libname.$libext"
+
+	# Transform .lo files to .o files.
+	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP`
+      fi
+
+      # Eliminate all temporary directories.
+      #for path in $notinst_path; do
+      #	lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
+      #	deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
+      #	dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
+      #done
+
+      if test -n "$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	temp_xrpath=
+	for libdir in $xrpath; do
+	  func_replace_sysroot "$libdir"
+	  temp_xrpath+=" -R$func_replace_sysroot_result"
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath+=" $libdir" ;;
+	  esac
+	done
+	if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+	  dependency_libs="$temp_xrpath $dependency_libs"
+	fi
+      fi
+
+      # Make sure dlfiles contains only unique files that won't be dlpreopened
+      old_dlfiles="$dlfiles"
+      dlfiles=
+      for lib in $old_dlfiles; do
+	case " $dlprefiles $dlfiles " in
+	*" $lib "*) ;;
+	*) dlfiles+=" $lib" ;;
+	esac
+      done
+
+      # Make sure dlprefiles contains only unique files
+      old_dlprefiles="$dlprefiles"
+      dlprefiles=
+      for lib in $old_dlprefiles; do
+	case "$dlprefiles " in
+	*" $lib "*) ;;
+	*) dlprefiles+=" $lib" ;;
+	esac
+      done
+
+      if test "$build_libtool_libs" = yes; then
+	if test -n "$rpath"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # these systems don't actually have a c library (as such)!
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C library is in the System framework
+	    deplibs+=" System.ltframework"
+	    ;;
+	  *-*-netbsd*)
+	    # Don't link with libc until the a.out ld.so is fixed.
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    ;;
+	  *)
+	    # Add libc to deplibs on all other systems if necessary.
+	    if test "$build_libtool_need_lc" = "yes"; then
+	      deplibs+=" -lc"
+	    fi
+	    ;;
+	  esac
+	fi
+
+	# Transform deplibs into only deplibs that can be linked in shared.
+	name_save=$name
+	libname_save=$libname
+	release_save=$release
+	versuffix_save=$versuffix
+	major_save=$major
+	# I'm not sure if I'm treating the release correctly.  I think
+	# release should show up in the -l (ie -lgmp5) so we don't want to
+	# add it in twice.  Is that correct?
+	release=""
+	versuffix=""
+	major=""
+	newdeplibs=
+	droppeddeps=no
+	case $deplibs_check_method in
+	pass_all)
+	  # Don't check for shared/static.  Everything works.
+	  # This might be a little naive.  We might want to check
+	  # whether the library exists or not.  But this is on
+	  # osf3 & osf4 and I'm not really sure... Just
+	  # implementing what was already the behavior.
+	  newdeplibs=$deplibs
+	  ;;
+	test_compile)
+	  # This code stresses the "libraries are programs" paradigm to its
+	  # limits. Maybe even breaks it.  We compile a program, linking it
+	  # against the deplibs as a proxy for the library.  Then we can check
+	  # whether they linked in statically or dynamically with ldd.
+	  $opt_dry_run || $RM conftest.c
+	  cat > conftest.c <<EOF
+	  int main() { return 0; }
+EOF
+	  $opt_dry_run || $RM conftest
+	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+	    ldd_output=`ldd conftest`
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		  case " $predeps $postdeps " in
+		  *" $i "*)
+		    newdeplibs+=" $i"
+		    i=""
+		    ;;
+		  esac
+		fi
+		if test -n "$i" ; then
+		  libname=`eval "\\$ECHO \"$libname_spec\""`
+		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		  set dummy $deplib_matches; shift
+		  deplib_match=$1
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		    newdeplibs+=" $i"
+		  else
+		    droppeddeps=yes
+		    echo
+		    $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		    echo "*** I have the capability to make that library automatically link in when"
+		    echo "*** you link to this library.  But I can only do this if you have a"
+		    echo "*** shared version of the library, which I believe you do not have"
+		    echo "*** because a test_compile did reveal that the linker did not use it for"
+		    echo "*** its dynamic dependency list that programs get resolved with at runtime."
+		  fi
+		fi
+		;;
+	      *)
+		newdeplibs+=" $i"
+		;;
+	      esac
+	    done
+	  else
+	    # Error occurred in the first compile.  Let's try to salvage
+	    # the situation: Compile a separate program for each library.
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		$opt_dry_run || $RM conftest
+		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+		  ldd_output=`ldd conftest`
+		  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		    case " $predeps $postdeps " in
+		    *" $i "*)
+		      newdeplibs+=" $i"
+		      i=""
+		      ;;
+		    esac
+		  fi
+		  if test -n "$i" ; then
+		    libname=`eval "\\$ECHO \"$libname_spec\""`
+		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		    set dummy $deplib_matches; shift
+		    deplib_match=$1
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		      newdeplibs+=" $i"
+		    else
+		      droppeddeps=yes
+		      echo
+		      $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		      echo "*** I have the capability to make that library automatically link in when"
+		      echo "*** you link to this library.  But I can only do this if you have a"
+		      echo "*** shared version of the library, which you do not appear to have"
+		      echo "*** because a test_compile did reveal that the linker did not use this one"
+		      echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+		    fi
+		  fi
+		else
+		  droppeddeps=yes
+		  echo
+		  $ECHO "*** Warning!  Library $i is needed by this library but I was not able to"
+		  echo "*** make it link in!  You will probably need to install it or some"
+		  echo "*** library that it depends on before this library will be fully"
+		  echo "*** functional.  Installing it before continuing would be even better."
+		fi
+		;;
+	      *)
+		newdeplibs+=" $i"
+		;;
+	      esac
+	    done
+	  fi
+	  ;;
+	file_magic*)
+	  set dummy $deplibs_check_method; shift
+	  file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs+=" $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		if test -n "$file_magic_glob"; then
+		  libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
+		else
+		  libnameglob=$libname
+		fi
+		test "$want_nocaseglob" = yes && nocaseglob=`shopt -p nocaseglob`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  if test "$want_nocaseglob" = yes; then
+		    shopt -s nocaseglob
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		    $nocaseglob
+		  else
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		  fi
+		  for potent_lib in $potential_libs; do
+		      # Follow soft links.
+		      if ls -lLd "$potent_lib" 2>/dev/null |
+			 $GREP " -> " >/dev/null; then
+			continue
+		      fi
+		      # The statement above tries to avoid entering an
+		      # endless loop below, in case of cyclic links.
+		      # We might still enter an endless loop, since a link
+		      # loop can be closed while we follow links,
+		      # but so what?
+		      potlib="$potent_lib"
+		      while test -h "$potlib" 2>/dev/null; do
+			potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+			case $potliblink in
+			[\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+			*) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";;
+			esac
+		      done
+		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+			 $SED -e 10q |
+			 $EGREP "$file_magic_regex" > /dev/null; then
+			newdeplibs+=" $a_deplib"
+			a_deplib=""
+			break 2
+		      fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a file magic. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      newdeplibs+=" $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	match_pattern*)
+	  set dummy $deplibs_check_method; shift
+	  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs+=" $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		    potlib="$potent_lib" # see symlink-check above in file_magic test
+		    if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
+		       $EGREP "$match_pattern_regex" > /dev/null; then
+		      newdeplibs+=" $a_deplib"
+		      a_deplib=""
+		      break 2
+		    fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a regex pattern. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      newdeplibs+=" $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	none | unknown | *)
+	  newdeplibs=""
+	  tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
+	  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	    for i in $predeps $postdeps ; do
+	      # can't use Xsed below, because $i might contain '/'
+	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"`
+	    done
+	  fi
+	  case $tmp_deplibs in
+	  *[!\	\ ]*)
+	    echo
+	    if test "X$deplibs_check_method" = "Xnone"; then
+	      echo "*** Warning: inter-library dependencies are not supported in this platform."
+	    else
+	      echo "*** Warning: inter-library dependencies are not known to be supported."
+	    fi
+	    echo "*** All declared inter-library dependencies are being dropped."
+	    droppeddeps=yes
+	    ;;
+	  esac
+	  ;;
+	esac
+	versuffix=$versuffix_save
+	major=$major_save
+	release=$release_save
+	libname=$libname_save
+	name=$name_save
+
+	case $host in
+	*-*-rhapsody* | *-*-darwin1.[012])
+	  # On Rhapsody replace the C library with the System framework
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
+	  ;;
+	esac
+
+	if test "$droppeddeps" = yes; then
+	  if test "$module" = yes; then
+	    echo
+	    echo "*** Warning: libtool could not satisfy all declared inter-library"
+	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
+	    echo "*** a static module, that should work as long as the dlopening"
+	    echo "*** application is linked with the -dlopen flag."
+	    if test -z "$global_symbol_pipe"; then
+	      echo
+	      echo "*** However, this would only work if libtool was able to extract symbol"
+	      echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+	      echo "*** not find such a program.  So, this module is probably useless."
+	      echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	    fi
+	    if test "$build_old_libs" = no; then
+	      oldlibs="$output_objdir/$libname.$libext"
+	      build_libtool_libs=module
+	      build_old_libs=yes
+	    else
+	      build_libtool_libs=no
+	    fi
+	  else
+	    echo "*** The inter-library dependencies that have been dropped here will be"
+	    echo "*** automatically added whenever a program is linked with this library"
+	    echo "*** or is declared to -dlopen it."
+
+	    if test "$allow_undefined" = no; then
+	      echo
+	      echo "*** Since this library must not contain undefined symbols,"
+	      echo "*** because either the platform does not support them or"
+	      echo "*** it was explicitly requested with -no-undefined,"
+	      echo "*** libtool will only create a static version of it."
+	      if test "$build_old_libs" = no; then
+		oldlibs="$output_objdir/$libname.$libext"
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  fi
+	fi
+	# Done checking deplibs!
+	deplibs=$newdeplibs
+      fi
+      # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+      case $host in
+	*-*-darwin*)
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  ;;
+      esac
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs+=" -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs+=" $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs+=" $deplib" ;;
+	esac
+      done
+      deplibs="$new_libs"
+
+      # All the library-specific variables (install_libdir is set above).
+      library_names=
+      old_library=
+      dlname=
+
+      # Test again, we may have decided not to build it any more
+      if test "$build_libtool_libs" = yes; then
+	# Remove ${wl} instances when linking with ld.
+	# FIXME: should test the right _cmds variable.
+	case $archive_cmds in
+	  *\$LD\ *) wl= ;;
+        esac
+	if test "$hardcode_into_libs" = yes; then
+	  # Hardcode the library paths
+	  hardcode_libdirs=
+	  dep_rpath=
+	  rpath="$finalize_rpath"
+	  test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+	  for libdir in $rpath; do
+	    if test -n "$hardcode_libdir_flag_spec"; then
+	      if test -n "$hardcode_libdir_separator"; then
+		func_replace_sysroot "$libdir"
+		libdir=$func_replace_sysroot_result
+		if test -z "$hardcode_libdirs"; then
+		  hardcode_libdirs="$libdir"
+		else
+		  # Just accumulate the unique libdirs.
+		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		    ;;
+		  *)
+		    hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+		    ;;
+		  esac
+		fi
+	      else
+		eval flag=\"$hardcode_libdir_flag_spec\"
+		dep_rpath+=" $flag"
+	      fi
+	    elif test -n "$runpath_var"; then
+	      case "$perm_rpath " in
+	      *" $libdir "*) ;;
+	      *) perm_rpath+=" $libdir" ;;
+	      esac
+	    fi
+	  done
+	  # Substitute the hardcoded libdirs into the rpath.
+	  if test -n "$hardcode_libdir_separator" &&
+	     test -n "$hardcode_libdirs"; then
+	    libdir="$hardcode_libdirs"
+	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
+	  fi
+	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
+	    # We should set the runpath_var.
+	    rpath=
+	    for dir in $perm_rpath; do
+	      rpath+="$dir:"
+	    done
+	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+	  fi
+	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+	fi
+
+	shlibpath="$finalize_shlibpath"
+	test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+	if test -n "$shlibpath"; then
+	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+	fi
+
+	# Get the real and link names of the library.
+	eval shared_ext=\"$shrext_cmds\"
+	eval library_names=\"$library_names_spec\"
+	set dummy $library_names
+	shift
+	realname="$1"
+	shift
+
+	if test -n "$soname_spec"; then
+	  eval soname=\"$soname_spec\"
+	else
+	  soname="$realname"
+	fi
+	if test -z "$dlname"; then
+	  dlname=$soname
+	fi
+
+	lib="$output_objdir/$realname"
+	linknames=
+	for link
+	do
+	  linknames+=" $link"
+	done
+
+	# Use standard objects if they are pic
+	test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	test "X$libobjs" = "X " && libobjs=
+
+	delfiles=
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+	  export_symbols="$output_objdir/$libname.uexp"
+	  delfiles+=" $export_symbols"
+	fi
+
+	orig_export_symbols=
+	case $host_os in
+	cygwin* | mingw* | cegcc*)
+	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+	    # exporting using user supplied symfile
+	    if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+	      # and it's NOT already a .def file. Must figure out
+	      # which of the given symbols are data symbols and tag
+	      # them as such. So, trigger use of export_symbols_cmds.
+	      # export_symbols gets reassigned inside the "prepare
+	      # the list of exported symbols" if statement, so the
+	      # include_expsyms logic still works.
+	      orig_export_symbols="$export_symbols"
+	      export_symbols=
+	      always_export_symbols=yes
+	    fi
+	  fi
+	  ;;
+	esac
+
+	# Prepare the list of exported symbols
+	if test -z "$export_symbols"; then
+	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+	    func_verbose "generating symbol list for \`$libname.la'"
+	    export_symbols="$output_objdir/$libname.exp"
+	    $opt_dry_run || $RM $export_symbols
+	    cmds=$export_symbols_cmds
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd1 in $cmds; do
+	      IFS="$save_ifs"
+	      # Take the normal branch if the nm_file_list_spec branch
+	      # doesn't work or if tool conversion is not needed.
+	      case $nm_file_list_spec~$to_tool_file_cmd in
+		*~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
+		  try_normal_branch=yes
+		  eval cmd=\"$cmd1\"
+		  func_len " $cmd"
+		  len=$func_len_result
+		  ;;
+		*)
+		  try_normal_branch=no
+		  ;;
+	      esac
+	      if test "$try_normal_branch" = yes \
+		 && { test "$len" -lt "$max_cmd_len" \
+		      || test "$max_cmd_len" -le -1; }
+	      then
+		func_show_eval "$cmd" 'exit $?'
+		skipped_export=false
+	      elif test -n "$nm_file_list_spec"; then
+		func_basename "$output"
+		output_la=$func_basename_result
+		save_libobjs=$libobjs
+		save_output=$output
+		output=${output_objdir}/${output_la}.nm
+		func_to_tool_file "$output"
+		libobjs=$nm_file_list_spec$func_to_tool_file_result
+		delfiles+=" $output"
+		func_verbose "creating $NM input file list: $output"
+		for obj in $save_libobjs; do
+		  func_to_tool_file "$obj"
+		  $ECHO "$func_to_tool_file_result"
+		done > "$output"
+		eval cmd=\"$cmd1\"
+		func_show_eval "$cmd" 'exit $?'
+		output=$save_output
+		libobjs=$save_libobjs
+		skipped_export=false
+	      else
+		# The command line is too long to execute in one step.
+		func_verbose "using reloadable object file for export list..."
+		skipped_export=:
+		# Break out early, otherwise skipped_export may be
+		# set to false by a later but shorter cmd.
+		break
+	      fi
+	    done
+	    IFS="$save_ifs"
+	    if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+	fi
+
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  tmp_export_symbols="$export_symbols"
+	  test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	  $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	fi
+
+	if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+	  # The given exports_symbols file has to be filtered, so filter it.
+	  func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	  # 's' commands which not all seds can handle. GNU sed should be fine
+	  # though. Also, the filter scales superlinearly with the number of
+	  # global variables. join(1) would be nice here, but unfortunately
+	  # isn't a blessed tool.
+	  $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	  delfiles+=" $export_symbols $output_objdir/$libname.filter"
+	  export_symbols=$output_objdir/$libname.def
+	  $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	fi
+
+	tmp_deplibs=
+	for test_deplib in $deplibs; do
+	  case " $convenience " in
+	  *" $test_deplib "*) ;;
+	  *)
+	    tmp_deplibs+=" $test_deplib"
+	    ;;
+	  esac
+	done
+	deplibs="$tmp_deplibs"
+
+	if test -n "$convenience"; then
+	  if test -n "$whole_archive_flag_spec" &&
+	    test "$compiler_needs_object" = yes &&
+	    test -z "$libobjs"; then
+	    # extract the archives, so we have objects to list.
+	    # TODO: could optimize this to just extract one archive.
+	    whole_archive_flag_spec=
+	  fi
+	  if test -n "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  else
+	    gentop="$output_objdir/${outputname}x"
+	    generated+=" $gentop"
+
+	    func_extract_archives $gentop $convenience
+	    libobjs+=" $func_extract_archives_result"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	fi
+
+	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+	  eval flag=\"$thread_safe_flag_spec\"
+	  linker_flags+=" $flag"
+	fi
+
+	# Make a backup of the uninstalled library when relinking
+	if test "$opt_mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+	fi
+
+	# Do each of the archive commands.
+	if test "$module" = yes && test -n "$module_cmds" ; then
+	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	    eval test_cmds=\"$module_expsym_cmds\"
+	    cmds=$module_expsym_cmds
+	  else
+	    eval test_cmds=\"$module_cmds\"
+	    cmds=$module_cmds
+	  fi
+	else
+	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	    eval test_cmds=\"$archive_expsym_cmds\"
+	    cmds=$archive_expsym_cmds
+	  else
+	    eval test_cmds=\"$archive_cmds\"
+	    cmds=$archive_cmds
+	  fi
+	fi
+
+	if test "X$skipped_export" != "X:" &&
+	   func_len " $test_cmds" &&
+	   len=$func_len_result &&
+	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  :
+	else
+	  # The command line is too long to link in one step, link piecewise
+	  # or, if using GNU ld and skipped_export is not :, use a linker
+	  # script.
+
+	  # Save the value of $output and $libobjs because we want to
+	  # use them later.  If we have whole_archive_flag_spec, we
+	  # want to use save_libobjs as it was before
+	  # whole_archive_flag_spec was expanded, because we can't
+	  # assume the linker understands whole_archive_flag_spec.
+	  # This may have to be revisited, in case too many
+	  # convenience libraries get linked in and end up exceeding
+	  # the spec.
+	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	  fi
+	  save_output=$output
+	  func_basename "$output"
+	  output_la=$func_basename_result
+
+	  # Clear the reloadable object creation command queue and
+	  # initialize k to one.
+	  test_cmds=
+	  concat_cmds=
+	  objlist=
+	  last_robj=
+	  k=1
+
+	  if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
+	    output=${output_objdir}/${output_la}.lnkscript
+	    func_verbose "creating GNU ld script: $output"
+	    echo 'INPUT (' > $output
+	    for obj in $save_libobjs
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    echo ')' >> $output
+	    delfiles+=" $output"
+	    func_to_tool_file "$output"
+	    output=$func_to_tool_file_result
+	  elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
+	    output=${output_objdir}/${output_la}.lnk
+	    func_verbose "creating linker input file list: $output"
+	    : > $output
+	    set x $save_libobjs
+	    shift
+	    firstobj=
+	    if test "$compiler_needs_object" = yes; then
+	      firstobj="$1 "
+	      shift
+	    fi
+	    for obj
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    delfiles+=" $output"
+	    func_to_tool_file "$output"
+	    output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
+	  else
+	    if test -n "$save_libobjs"; then
+	      func_verbose "creating reloadable object files..."
+	      output=$output_objdir/$output_la-${k}.$objext
+	      eval test_cmds=\"$reload_cmds\"
+	      func_len " $test_cmds"
+	      len0=$func_len_result
+	      len=$len0
+
+	      # Loop over the list of objects to be linked.
+	      for obj in $save_libobjs
+	      do
+		func_len " $obj"
+		func_arith $len + $func_len_result
+		len=$func_arith_result
+		if test "X$objlist" = X ||
+		   test "$len" -lt "$max_cmd_len"; then
+		  objlist+=" $obj"
+		else
+		  # The command $test_cmds is almost too long, add a
+		  # command to the queue.
+		  if test "$k" -eq 1 ; then
+		    # The first file doesn't have a previous command to add.
+		    reload_objs=$objlist
+		    eval concat_cmds=\"$reload_cmds\"
+		  else
+		    # All subsequent reloadable object files will link in
+		    # the last one created.
+		    reload_objs="$objlist $last_robj"
+		    eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
+		  fi
+		  last_robj=$output_objdir/$output_la-${k}.$objext
+		  func_arith $k + 1
+		  k=$func_arith_result
+		  output=$output_objdir/$output_la-${k}.$objext
+		  objlist=" $obj"
+		  func_len " $last_robj"
+		  func_arith $len0 + $func_len_result
+		  len=$func_arith_result
+		fi
+	      done
+	      # Handle the remaining objects by creating one last
+	      # reloadable object file.  All subsequent reloadable object
+	      # files will link in the last one created.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      reload_objs="$objlist $last_robj"
+	      eval concat_cmds=\"\${concat_cmds}$reload_cmds\"
+	      if test -n "$last_robj"; then
+	        eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+	      fi
+	      delfiles+=" $output"
+
+	    else
+	      output=
+	    fi
+
+	    if ${skipped_export-false}; then
+	      func_verbose "generating symbol list for \`$libname.la'"
+	      export_symbols="$output_objdir/$libname.exp"
+	      $opt_dry_run || $RM $export_symbols
+	      libobjs=$output
+	      # Append the command to create the export file.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+	      if test -n "$last_robj"; then
+		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+	      fi
+	    fi
+
+	    test -n "$save_libobjs" &&
+	      func_verbose "creating a temporary reloadable object file: $output"
+
+	    # Loop through the commands generated above and execute them.
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd in $concat_cmds; do
+	      IFS="$save_ifs"
+	      $opt_silent || {
+		  func_quote_for_expand "$cmd"
+		  eval "func_echo $func_quote_for_expand_result"
+	      }
+	      $opt_dry_run || eval "$cmd" || {
+		lt_exit=$?
+
+		# Restore the uninstalled library and exit
+		if test "$opt_mode" = relink; then
+		  ( cd "$output_objdir" && \
+		    $RM "${realname}T" && \
+		    $MV "${realname}U" "$realname" )
+		fi
+
+		exit $lt_exit
+	      }
+	    done
+	    IFS="$save_ifs"
+
+	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+
+          if ${skipped_export-false}; then
+	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	      tmp_export_symbols="$export_symbols"
+	      test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	      $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	    fi
+
+	    if test -n "$orig_export_symbols"; then
+	      # The given exports_symbols file has to be filtered, so filter it.
+	      func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	      # 's' commands which not all seds can handle. GNU sed should be fine
+	      # though. Also, the filter scales superlinearly with the number of
+	      # global variables. join(1) would be nice here, but unfortunately
+	      # isn't a blessed tool.
+	      $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	      delfiles+=" $export_symbols $output_objdir/$libname.filter"
+	      export_symbols=$output_objdir/$libname.def
+	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	    fi
+	  fi
+
+	  libobjs=$output
+	  # Restore the value of output.
+	  output=$save_output
+
+	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	  # Expand the library linking commands again to reset the
+	  # value of $libobjs for piecewise linking.
+
+	  # Do each of the archive commands.
+	  if test "$module" = yes && test -n "$module_cmds" ; then
+	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	      cmds=$module_expsym_cmds
+	    else
+	      cmds=$module_cmds
+	    fi
+	  else
+	    if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	      cmds=$archive_expsym_cmds
+	    else
+	      cmds=$archive_cmds
+	    fi
+	  fi
+	fi
+
+	if test -n "$delfiles"; then
+	  # Append the command to remove temporary files to $cmds.
+	  eval cmds=\"\$cmds~\$RM $delfiles\"
+	fi
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  generated+=" $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  libobjs+=" $func_extract_archives_result"
+	  test "X$libobjs" = "X " && libobjs=
+	fi
+
+	save_ifs="$IFS"; IFS='~'
+	for cmd in $cmds; do
+	  IFS="$save_ifs"
+	  eval cmd=\"$cmd\"
+	  $opt_silent || {
+	    func_quote_for_expand "$cmd"
+	    eval "func_echo $func_quote_for_expand_result"
+	  }
+	  $opt_dry_run || eval "$cmd" || {
+	    lt_exit=$?
+
+	    # Restore the uninstalled library and exit
+	    if test "$opt_mode" = relink; then
+	      ( cd "$output_objdir" && \
+	        $RM "${realname}T" && \
+		$MV "${realname}U" "$realname" )
+	    fi
+
+	    exit $lt_exit
+	  }
+	done
+	IFS="$save_ifs"
+
+	# Restore the uninstalled library and exit
+	if test "$opt_mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+	  if test -n "$convenience"; then
+	    if test -z "$whole_archive_flag_spec"; then
+	      func_show_eval '${RM}r "$gentop"'
+	    fi
+	  fi
+
+	  exit $EXIT_SUCCESS
+	fi
+
+	# Create links to the real library.
+	for linkname in $linknames; do
+	  if test "$realname" != "$linkname"; then
+	    func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+	  fi
+	done
+
+	# If -module or -export-dynamic was specified, set the dlname.
+	if test "$module" = yes || test "$export_dynamic" = yes; then
+	  # On all known operating systems, these are identical.
+	  dlname="$soname"
+	fi
+      fi
+      ;;
+
+    obj)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for objects"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for objects" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for objects"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for objects"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for objects"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for objects"
+
+      case $output in
+      *.lo)
+	test -n "$objs$old_deplibs" && \
+	  func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+
+	libobj=$output
+	func_lo2o "$libobj"
+	obj=$func_lo2o_result
+	;;
+      *)
+	libobj=
+	obj="$output"
+	;;
+      esac
+
+      # Delete the old objects.
+      $opt_dry_run || $RM $obj $libobj
+
+      # Objects from convenience libraries.  This assumes
+      # single-version convenience libraries.  Whenever we create
+      # different ones for PIC/non-PIC, this we'll have to duplicate
+      # the extraction.
+      reload_conv_objs=
+      gentop=
+      # reload_cmds runs $LD directly, so let us get rid of
+      # -Wl from whole_archive_flag_spec and hope we can get by with
+      # turning comma into space..
+      wl=
+
+      if test -n "$convenience"; then
+	if test -n "$whole_archive_flag_spec"; then
+	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+	  reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+	else
+	  gentop="$output_objdir/${obj}x"
+	  generated+=" $gentop"
+
+	  func_extract_archives $gentop $convenience
+	  reload_conv_objs="$reload_objs $func_extract_archives_result"
+	fi
+      fi
+
+      # If we're not building shared, we need to use non_pic_objs
+      test "$build_libtool_libs" != yes && libobjs="$non_pic_objects"
+
+      # Create the old-style object.
+      reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+      output="$obj"
+      func_execute_cmds "$reload_cmds" 'exit $?'
+
+      # Exit if we aren't doing a library object file.
+      if test -z "$libobj"; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$build_libtool_libs" != yes; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	# Create an invalid libtool object if no PIC, so that we don't
+	# accidentally link it into a program.
+	# $show "echo timestamp > $libobj"
+	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+	exit $EXIT_SUCCESS
+      fi
+
+      if test -n "$pic_flag" || test "$pic_mode" != default; then
+	# Only do commands if we really have different PIC objects.
+	reload_objs="$libobjs $reload_conv_objs"
+	output="$libobj"
+	func_execute_cmds "$reload_cmds" 'exit $?'
+      fi
+
+      if test -n "$gentop"; then
+	func_show_eval '${RM}r "$gentop"'
+      fi
+
+      exit $EXIT_SUCCESS
+      ;;
+
+    prog)
+      case $host in
+	*cygwin*) func_stripname '' '.exe' "$output"
+	          output=$func_stripname_result.exe;;
+      esac
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for programs"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for programs"
+
+      test "$preload" = yes \
+        && test "$dlopen_support" = unknown \
+	&& test "$dlopen_self" = unknown \
+	&& test "$dlopen_self_static" = unknown && \
+	  func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+      case $host in
+      *-*-rhapsody* | *-*-darwin1.[012])
+	# On Rhapsody replace the C library is the System framework
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	;;
+      esac
+
+      case $host in
+      *-*-darwin*)
+	# Don't allow lazy linking, it breaks C++ global constructors
+	# But is supposedly fixed on 10.4 or later (yay!).
+	if test "$tagname" = CXX ; then
+	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+	    10.[0123])
+	      compile_command+=" ${wl}-bind_at_load"
+	      finalize_command+=" ${wl}-bind_at_load"
+	    ;;
+	  esac
+	fi
+	# Time to change all our "foo.ltframework" stuff back to "-framework foo"
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	;;
+      esac
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $compile_deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs+=" -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $compile_deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs+=" $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs+=" $deplib" ;;
+	esac
+      done
+      compile_deplibs="$new_libs"
+
+
+      compile_command+=" $compile_deplibs"
+      finalize_command+=" $finalize_deplibs"
+
+      if test -n "$rpath$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	for libdir in $rpath $xrpath; do
+	  # This is the magic to use -rpath.
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath+=" $libdir" ;;
+	  esac
+	done
+      fi
+
+      # Now hardcode the library paths
+      rpath=
+      hardcode_libdirs=
+      for libdir in $compile_rpath $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath+=" $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) perm_rpath+=" $libdir" ;;
+	  esac
+	fi
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$libdir:"*) ;;
+	  ::) dllsearchpath=$libdir;;
+	  *) dllsearchpath+=":$libdir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) dllsearchpath+=":$testbindir";;
+	  esac
+	  ;;
+	esac
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      compile_rpath="$rpath"
+
+      rpath=
+      hardcode_libdirs=
+      for libdir in $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath+=" $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$finalize_perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_perm_rpath+=" $libdir" ;;
+	  esac
+	fi
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      finalize_rpath="$rpath"
+
+      if test -n "$libobjs" && test "$build_old_libs" = yes; then
+	# Transform all the library objects into standard objects.
+	compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+      fi
+
+      func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+
+      # template prelinking step
+      if test -n "$prelink_cmds"; then
+	func_execute_cmds "$prelink_cmds" 'exit $?'
+      fi
+
+      wrappers_required=yes
+      case $host in
+      *cegcc* | *mingw32ce*)
+        # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
+        wrappers_required=no
+        ;;
+      *cygwin* | *mingw* )
+        if test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      *)
+        if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      esac
+      if test "$wrappers_required" = no; then
+	# Replace the output file specification.
+	compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	link_command="$compile_command$compile_rpath"
+
+	# We have no uninstalled library dependencies, so finalize right now.
+	exit_status=0
+	func_show_eval "$link_command" 'exit_status=$?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	# Delete the generated files.
+	if test -f "$output_objdir/${outputname}S.${objext}"; then
+	  func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+	fi
+
+	exit $exit_status
+      fi
+
+      if test -n "$compile_shlibpath$finalize_shlibpath"; then
+	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+      fi
+      if test -n "$finalize_shlibpath"; then
+	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+      fi
+
+      compile_var=
+      finalize_var=
+      if test -n "$runpath_var"; then
+	if test -n "$perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $perm_rpath; do
+	    rpath+="$dir:"
+	  done
+	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+	if test -n "$finalize_perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $finalize_perm_rpath; do
+	    rpath+="$dir:"
+	  done
+	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+      fi
+
+      if test "$no_install" = yes; then
+	# We don't need to create a wrapper script.
+	link_command="$compile_var$compile_command$compile_rpath"
+	# Replace the output file specification.
+	link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	# Delete the old output file.
+	$opt_dry_run || $RM $output
+	# Link the executable and exit
+	func_show_eval "$link_command" 'exit $?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$hardcode_action" = relink; then
+	# Fast installation is not supported
+	link_command="$compile_var$compile_command$compile_rpath"
+	relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+	func_warning "this platform does not like uninstalled shared libraries"
+	func_warning "\`$output' will be relinked during installation"
+      else
+	if test "$fast_install" != no; then
+	  link_command="$finalize_var$compile_command$finalize_rpath"
+	  if test "$fast_install" = yes; then
+	    relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+	  else
+	    # fast_install is set to needless
+	    relink_command=
+	  fi
+	else
+	  link_command="$compile_var$compile_command$compile_rpath"
+	  relink_command="$finalize_var$finalize_command$finalize_rpath"
+	fi
+      fi
+
+      # Replace the output file specification.
+      link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+      # Delete the old output files.
+      $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+      func_show_eval "$link_command" 'exit $?'
+
+      if test -n "$postlink_cmds"; then
+	func_to_tool_file "$output_objdir/$outputname"
+	postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	func_execute_cmds "$postlink_cmds" 'exit $?'
+      fi
+
+      # Now create the wrapper script.
+      func_verbose "creating $output"
+
+      # Quote the relink command for shipping.
+      if test -n "$relink_command"; then
+	# Preserve any variables that may affect compiler behavior
+	for var in $variables_saved_for_relink; do
+	  if eval test -z \"\${$var+set}\"; then
+	    relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	  elif eval var_value=\$$var; test -z "$var_value"; then
+	    relink_command="$var=; export $var; $relink_command"
+	  else
+	    func_quote_for_eval "$var_value"
+	    relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	  fi
+	done
+	relink_command="(cd `pwd`; $relink_command)"
+	relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+      fi
+
+      # Only actually do things if not in dry run mode.
+      $opt_dry_run || {
+	# win32 will think the script is a binary if it has
+	# a .exe suffix, so we strip it off here.
+	case $output in
+	  *.exe) func_stripname '' '.exe' "$output"
+	         output=$func_stripname_result ;;
+	esac
+	# test for cygwin because mv fails w/o .exe extensions
+	case $host in
+	  *cygwin*)
+	    exeext=.exe
+	    func_stripname '' '.exe' "$outputname"
+	    outputname=$func_stripname_result ;;
+	  *) exeext= ;;
+	esac
+	case $host in
+	  *cygwin* | *mingw* )
+	    func_dirname_and_basename "$output" "" "."
+	    output_name=$func_basename_result
+	    output_path=$func_dirname_result
+	    cwrappersource="$output_path/$objdir/lt-$output_name.c"
+	    cwrapper="$output_path/$output_name.exe"
+	    $RM $cwrappersource $cwrapper
+	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_cwrapperexe_src > $cwrappersource
+
+	    # The wrapper executable is built using the $host compiler,
+	    # because it contains $host paths and files. If cross-
+	    # compiling, it, like the target executable, must be
+	    # executed on the $host or under an emulation environment.
+	    $opt_dry_run || {
+	      $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+	      $STRIP $cwrapper
+	    }
+
+	    # Now, create the wrapper script for func_source use:
+	    func_ltwrapper_scriptname $cwrapper
+	    $RM $func_ltwrapper_scriptname_result
+	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+	    $opt_dry_run || {
+	      # note: this script will not be executed, so do not chmod.
+	      if test "x$build" = "x$host" ; then
+		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+	      else
+		func_emit_wrapper no > $func_ltwrapper_scriptname_result
+	      fi
+	    }
+	  ;;
+	  * )
+	    $RM $output
+	    trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_wrapper no > $output
+	    chmod +x $output
+	  ;;
+	esac
+      }
+      exit $EXIT_SUCCESS
+      ;;
+    esac
+
+    # See if we need to build an old-fashioned archive.
+    for oldlib in $oldlibs; do
+
+      if test "$build_libtool_libs" = convenience; then
+	oldobjs="$libobjs_save $symfileobj"
+	addlibs="$convenience"
+	build_libtool_libs=no
+      else
+	if test "$build_libtool_libs" = module; then
+	  oldobjs="$libobjs_save"
+	  build_libtool_libs=no
+	else
+	  oldobjs="$old_deplibs $non_pic_objects"
+	  if test "$preload" = yes && test -f "$symfileobj"; then
+	    oldobjs+=" $symfileobj"
+	  fi
+	fi
+	addlibs="$old_convenience"
+      fi
+
+      if test -n "$addlibs"; then
+	gentop="$output_objdir/${outputname}x"
+	generated+=" $gentop"
+
+	func_extract_archives $gentop $addlibs
+	oldobjs+=" $func_extract_archives_result"
+      fi
+
+      # Do each command in the archive commands.
+      if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+	cmds=$old_archive_from_new_cmds
+      else
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  generated+=" $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  oldobjs+=" $func_extract_archives_result"
+	fi
+
+	# POSIX demands no paths to be encoded in archives.  We have
+	# to avoid creating archives with duplicate basenames if we
+	# might have to extract them afterwards, e.g., when creating a
+	# static archive out of a convenience library, or when linking
+	# the entirety of a libtool archive into another (currently
+	# not supported by libtool).
+	if (for obj in $oldobjs
+	    do
+	      func_basename "$obj"
+	      $ECHO "$func_basename_result"
+	    done | sort | sort -uc >/dev/null 2>&1); then
+	  :
+	else
+	  echo "copying selected object files to avoid basename conflicts..."
+	  gentop="$output_objdir/${outputname}x"
+	  generated+=" $gentop"
+	  func_mkdir_p "$gentop"
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  counter=1
+	  for obj in $save_oldobjs
+	  do
+	    func_basename "$obj"
+	    objbase="$func_basename_result"
+	    case " $oldobjs " in
+	    " ") oldobjs=$obj ;;
+	    *[\ /]"$objbase "*)
+	      while :; do
+		# Make sure we don't pick an alternate name that also
+		# overlaps.
+		newobj=lt$counter-$objbase
+		func_arith $counter + 1
+		counter=$func_arith_result
+		case " $oldobjs " in
+		*[\ /]"$newobj "*) ;;
+		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
+		esac
+	      done
+	      func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+	      oldobjs+=" $gentop/$newobj"
+	      ;;
+	    *) oldobjs+=" $obj" ;;
+	    esac
+	  done
+	fi
+	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+	tool_oldlib=$func_to_tool_file_result
+	eval cmds=\"$old_archive_cmds\"
+
+	func_len " $cmds"
+	len=$func_len_result
+	if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  cmds=$old_archive_cmds
+	elif test -n "$archiver_list_spec"; then
+	  func_verbose "using command file archive linking..."
+	  for obj in $oldobjs
+	  do
+	    func_to_tool_file "$obj"
+	    $ECHO "$func_to_tool_file_result"
+	  done > $output_objdir/$libname.libcmd
+	  func_to_tool_file "$output_objdir/$libname.libcmd"
+	  oldobjs=" $archiver_list_spec$func_to_tool_file_result"
+	  cmds=$old_archive_cmds
+	else
+	  # the command line is too long to link in one step, link in parts
+	  func_verbose "using piecewise archive linking..."
+	  save_RANLIB=$RANLIB
+	  RANLIB=:
+	  objlist=
+	  concat_cmds=
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  # Is there a better way of finding the last object in the list?
+	  for obj in $save_oldobjs
+	  do
+	    last_oldobj=$obj
+	  done
+	  eval test_cmds=\"$old_archive_cmds\"
+	  func_len " $test_cmds"
+	  len0=$func_len_result
+	  len=$len0
+	  for obj in $save_oldobjs
+	  do
+	    func_len " $obj"
+	    func_arith $len + $func_len_result
+	    len=$func_arith_result
+	    objlist+=" $obj"
+	    if test "$len" -lt "$max_cmd_len"; then
+	      :
+	    else
+	      # the above command should be used before it gets too long
+	      oldobjs=$objlist
+	      if test "$obj" = "$last_oldobj" ; then
+		RANLIB=$save_RANLIB
+	      fi
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+	      objlist=
+	      len=$len0
+	    fi
+	  done
+	  RANLIB=$save_RANLIB
+	  oldobjs=$objlist
+	  if test "X$oldobjs" = "X" ; then
+	    eval cmds=\"\$concat_cmds\"
+	  else
+	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+	  fi
+	fi
+      fi
+      func_execute_cmds "$cmds" 'exit $?'
+    done
+
+    test -n "$generated" && \
+      func_show_eval "${RM}r$generated"
+
+    # Now create the libtool archive.
+    case $output in
+    *.la)
+      old_library=
+      test "$build_old_libs" = yes && old_library="$libname.$libext"
+      func_verbose "creating $output"
+
+      # Preserve any variables that may affect compiler behavior
+      for var in $variables_saved_for_relink; do
+	if eval test -z \"\${$var+set}\"; then
+	  relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	elif eval var_value=\$$var; test -z "$var_value"; then
+	  relink_command="$var=; export $var; $relink_command"
+	else
+	  func_quote_for_eval "$var_value"
+	  relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	fi
+      done
+      # Quote the link command for shipping.
+      relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+      if test "$hardcode_automatic" = yes ; then
+	relink_command=
+      fi
+
+      # Only create the output if not a dry run.
+      $opt_dry_run || {
+	for installed in no yes; do
+	  if test "$installed" = yes; then
+	    if test -z "$install_libdir"; then
+	      break
+	    fi
+	    output="$output_objdir/$outputname"i
+	    # Replace all uninstalled libtool libraries with the installed ones
+	    newdependency_libs=
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      *.la)
+		func_basename "$deplib"
+		name="$func_basename_result"
+		func_resolve_sysroot "$deplib"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$deplib' is not a valid libtool archive"
+		newdependency_libs+=" ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      -L*)
+		func_stripname -L '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		newdependency_libs+=" -L$func_replace_sysroot_result"
+		;;
+	      -R*)
+		func_stripname -R '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		newdependency_libs+=" -R$func_replace_sysroot_result"
+		;;
+	      *) newdependency_libs+=" $deplib" ;;
+	      esac
+	    done
+	    dependency_libs="$newdependency_libs"
+	    newdlfiles=
+
+	    for lib in $dlfiles; do
+	      case $lib in
+	      *.la)
+	        func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		newdlfiles+=" ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      *) newdlfiles+=" $lib" ;;
+	      esac
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+	      *.la)
+		# Only pass preopened files to the pseudo-archive (for
+		# eventual linking with the app. that links it) if we
+		# didn't already link the preopened objects directly into
+		# the library:
+		func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		newdlprefiles+=" ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      esac
+	    done
+	    dlprefiles="$newdlprefiles"
+	  else
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlfiles+=" $abs"
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlprefiles+=" $abs"
+	    done
+	    dlprefiles="$newdlprefiles"
+	  fi
+	  $RM $output
+	  # place dlname in correct position for cygwin
+	  # In fact, it would be nice if we could use this code for all target
+	  # systems that can't hard-code library paths into their executables
+	  # and that have no shared library path variable independent of PATH,
+	  # but it turns out we can't easily determine that from inspecting
+	  # libtool variables, so we have to hard-code the OSs to which it
+	  # applies here; at the moment, that means platforms that use the PE
+	  # object format with DLL files.  See the long comment at the top of
+	  # tests/bindir.at for full details.
+	  tdlname=$dlname
+	  case $host,$output,$installed,$module,$dlname in
+	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
+	      # If a -bindir argument was supplied, place the dll there.
+	      if test "x$bindir" != x ;
+	      then
+		func_relative_path "$install_libdir" "$bindir"
+		tdlname=$func_relative_path_result$dlname
+	      else
+		# Otherwise fall back on heuristic.
+		tdlname=../bin/$dlname
+	      fi
+	      ;;
+	  esac
+	  $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+	  if test "$installed" = no && test "$need_relink" = yes; then
+	    $ECHO >> $output "\
+relink_command=\"$relink_command\""
+	  fi
+	done
+      }
+
+      # Do a symbolic link so that the libtool archive can be found in
+      # LD_LIBRARY_PATH before the program is installed.
+      func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+      ;;
+    esac
+    exit $EXIT_SUCCESS
+}
+
+{ test "$opt_mode" = link || test "$opt_mode" = relink; } &&
+    func_mode_link ${1+"$@"}
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+    $opt_debug
+    RM="$nonopt"
+    files=
+    rmforce=
+    exit_status=0
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    for arg
+    do
+      case $arg in
+      -f) RM+=" $arg"; rmforce=yes ;;
+      -*) RM+=" $arg" ;;
+      *) files+=" $arg" ;;
+      esac
+    done
+
+    test -z "$RM" && \
+      func_fatal_help "you must specify an RM program"
+
+    rmdirs=
+
+    for file in $files; do
+      func_dirname "$file" "" "."
+      dir="$func_dirname_result"
+      if test "X$dir" = X.; then
+	odir="$objdir"
+      else
+	odir="$dir/$objdir"
+      fi
+      func_basename "$file"
+      name="$func_basename_result"
+      test "$opt_mode" = uninstall && odir="$dir"
+
+      # Remember odir for removal later, being careful to avoid duplicates
+      if test "$opt_mode" = clean; then
+	case " $rmdirs " in
+	  *" $odir "*) ;;
+	  *) rmdirs+=" $odir" ;;
+	esac
+      fi
+
+      # Don't error if the file doesn't exist and rm -f was used.
+      if { test -L "$file"; } >/dev/null 2>&1 ||
+	 { test -h "$file"; } >/dev/null 2>&1 ||
+	 test -f "$file"; then
+	:
+      elif test -d "$file"; then
+	exit_status=1
+	continue
+      elif test "$rmforce" = yes; then
+	continue
+      fi
+
+      rmfiles="$file"
+
+      case $name in
+      *.la)
+	# Possibly a libtool archive, so verify it.
+	if func_lalib_p "$file"; then
+	  func_source $dir/$name
+
+	  # Delete the libtool libraries and symlinks.
+	  for n in $library_names; do
+	    rmfiles+=" $odir/$n"
+	  done
+	  test -n "$old_library" && rmfiles+=" $odir/$old_library"
+
+	  case "$opt_mode" in
+	  clean)
+	    case " $library_names " in
+	    *" $dlname "*) ;;
+	    *) test -n "$dlname" && rmfiles+=" $odir/$dlname" ;;
+	    esac
+	    test -n "$libdir" && rmfiles+=" $odir/$name $odir/${name}i"
+	    ;;
+	  uninstall)
+	    if test -n "$library_names"; then
+	      # Do each command in the postuninstall commands.
+	      func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+
+	    if test -n "$old_library"; then
+	      # Do each command in the old_postuninstall commands.
+	      func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+	    # FIXME: should reinstall the best remaining shared library.
+	    ;;
+	  esac
+	fi
+	;;
+
+      *.lo)
+	# Possibly a libtool object, so verify it.
+	if func_lalib_p "$file"; then
+
+	  # Read the .lo file
+	  func_source $dir/$name
+
+	  # Add PIC object to the list of files to remove.
+	  if test -n "$pic_object" &&
+	     test "$pic_object" != none; then
+	    rmfiles+=" $dir/$pic_object"
+	  fi
+
+	  # Add non-PIC object to the list of files to remove.
+	  if test -n "$non_pic_object" &&
+	     test "$non_pic_object" != none; then
+	    rmfiles+=" $dir/$non_pic_object"
+	  fi
+	fi
+	;;
+
+      *)
+	if test "$opt_mode" = clean ; then
+	  noexename=$name
+	  case $file in
+	  *.exe)
+	    func_stripname '' '.exe' "$file"
+	    file=$func_stripname_result
+	    func_stripname '' '.exe' "$name"
+	    noexename=$func_stripname_result
+	    # $file with .exe has already been added to rmfiles,
+	    # add $file without .exe
+	    rmfiles+=" $file"
+	    ;;
+	  esac
+	  # Do a test to see if this is a libtool program.
+	  if func_ltwrapper_p "$file"; then
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      relink_command=
+	      func_source $func_ltwrapper_scriptname_result
+	      rmfiles+=" $func_ltwrapper_scriptname_result"
+	    else
+	      relink_command=
+	      func_source $dir/$noexename
+	    fi
+
+	    # note $name still contains .exe if it was in $file originally
+	    # as does the version of $file that was added into $rmfiles
+	    rmfiles+=" $odir/$name $odir/${name}S.${objext}"
+	    if test "$fast_install" = yes && test -n "$relink_command"; then
+	      rmfiles+=" $odir/lt-$name"
+	    fi
+	    if test "X$noexename" != "X$name" ; then
+	      rmfiles+=" $odir/lt-${noexename}.c"
+	    fi
+	  fi
+	fi
+	;;
+      esac
+      func_show_eval "$RM $rmfiles" 'exit_status=1'
+    done
+
+    # Try to remove the ${objdir}s in the directories where we deleted files
+    for dir in $rmdirs; do
+      if test -d "$dir"; then
+	func_show_eval "rmdir $dir >/dev/null 2>&1"
+      fi
+    done
+
+    exit $exit_status
+}
+
+{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } &&
+    func_mode_uninstall ${1+"$@"}
+
+test -z "$opt_mode" && {
+  help="$generic_help"
+  func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+  func_fatal_help "invalid operation mode \`$opt_mode'"
+
+if test -n "$exec_cmd"; then
+  eval exec "$exec_cmd"
+  exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries.  Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them.  This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration.  But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
+# vi:sw=2
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/ltmain.sh b/src-light-solver/preprocess/m4ri-20140914/ltmain.sh
new file mode 100644
index 0000000..3fd54df
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/ltmain.sh
@@ -0,0 +1,9661 @@
+
+# libtool (GNU libtool) 2.4.2
+# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html,
+# or obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Usage: $progname [OPTION]... [MODE-ARG]...
+#
+# Provide generalized library-building support services.
+#
+#       --config             show all configuration variables
+#       --debug              enable verbose shell tracing
+#   -n, --dry-run            display commands without modifying any files
+#       --features           display basic configuration information and exit
+#       --mode=MODE          use operation mode MODE
+#       --preserve-dup-deps  don't remove duplicate dependency libraries
+#       --quiet, --silent    don't print informational messages
+#       --no-quiet, --no-silent
+#                            print informational messages (default)
+#       --no-warn            don't display warning messages
+#       --tag=TAG            use configuration variables from tag TAG
+#   -v, --verbose            print more informational messages than default
+#       --no-verbose         don't print the extra informational messages
+#       --version            print version information
+#   -h, --help, --help-all   print short, long, or detailed help message
+#
+# MODE must be one of the following:
+#
+#         clean              remove files from the build directory
+#         compile            compile a source file into a libtool object
+#         execute            automatically set library path, then run a program
+#         finish             complete the installation of libtool libraries
+#         install            install libraries or executables
+#         link               create a library or an executable
+#         uninstall          remove libraries from an installed directory
+#
+# MODE-ARGS vary depending on the MODE.  When passed as first option,
+# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that.
+# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
+#
+# When reporting a bug, please describe a test case to reproduce it and
+# include the following information:
+#
+#         host-triplet:	$host
+#         shell:		$SHELL
+#         compiler:		$LTCC
+#         compiler flags:		$LTCFLAGS
+#         linker:		$LD (gnu? $with_gnu_ld)
+#         $progname:	(GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#         automake:	$automake_version
+#         autoconf:	$autoconf_version
+#
+# Report bugs to <bug-libtool@gnu.org>.
+# GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+# General help using GNU software: <http://www.gnu.org/gethelp/>.
+
+PROGRAM=libtool
+PACKAGE=libtool
+VERSION="2.4.2 Debian-2.4.2-1.10"
+TIMESTAMP=""
+package_revision=1.3337
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# NLS nuisances: We save the old values to restore during execute mode.
+lt_user_locale=
+lt_safe_locale=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+  eval "if test \"\${$lt_var+set}\" = set; then
+          save_$lt_var=\$$lt_var
+          $lt_var=C
+	  export $lt_var
+	  lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
+	  lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+	fi"
+done
+LC_ALL=C
+LANGUAGE=C
+export LANGUAGE LC_ALL
+
+$lt_unset CDPATH
+
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+
+
+: ${CP="cp -f"}
+test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+: ${Xsed="$SED -e 1s/^X//"}
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+
+exit_status=$EXIT_SUCCESS
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" 	$lt_nl"
+
+dirname="s,/[^/]*$,,"
+basename="s,^.*/,,"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+    func_dirname_result=`$ECHO "${1}" | $SED "$dirname"`
+    if test "X$func_dirname_result" = "X${1}"; then
+      func_dirname_result="${3}"
+    else
+      func_dirname_result="$func_dirname_result${2}"
+    fi
+} # func_dirname may be replaced by extended shell implementation
+
+
+# func_basename file
+func_basename ()
+{
+    func_basename_result=`$ECHO "${1}" | $SED "$basename"`
+} # func_basename may be replaced by extended shell implementation
+
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+    # Extract subdirectory from the argument.
+    func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"`
+    if test "X$func_dirname_result" = "X${1}"; then
+      func_dirname_result="${3}"
+    else
+      func_dirname_result="$func_dirname_result${2}"
+    fi
+    func_basename_result=`$ECHO "${1}" | $SED -e "$basename"`
+} # func_dirname_and_basename may be replaced by extended shell implementation
+
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+    case ${2} in
+      .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;;
+      *)  func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;;
+    esac
+} # func_stripname may be replaced by extended shell implementation
+
+
+# These SED scripts presuppose an absolute path with a trailing slash.
+pathcar='s,^/\([^/]*\).*$,\1,'
+pathcdr='s,^/[^/]*,,'
+removedotparts=':dotsl
+		s@/\./@/@g
+		t dotsl
+		s,/\.$,/,'
+collapseslashes='s@/\{1,\}@/@g'
+finalslash='s,/*$,/,'
+
+# func_normal_abspath PATH
+# Remove doubled-up and trailing slashes, "." path components,
+# and cancel out any ".." path components in PATH after making
+# it an absolute path.
+#             value returned in "$func_normal_abspath_result"
+func_normal_abspath ()
+{
+  # Start from root dir and reassemble the path.
+  func_normal_abspath_result=
+  func_normal_abspath_tpath=$1
+  func_normal_abspath_altnamespace=
+  case $func_normal_abspath_tpath in
+    "")
+      # Empty path, that just means $cwd.
+      func_stripname '' '/' "`pwd`"
+      func_normal_abspath_result=$func_stripname_result
+      return
+    ;;
+    # The next three entries are used to spot a run of precisely
+    # two leading slashes without using negated character classes;
+    # we take advantage of case's first-match behaviour.
+    ///*)
+      # Unusual form of absolute path, do nothing.
+    ;;
+    //*)
+      # Not necessarily an ordinary path; POSIX reserves leading '//'
+      # and for example Cygwin uses it to access remote file shares
+      # over CIFS/SMB, so we conserve a leading double slash if found.
+      func_normal_abspath_altnamespace=/
+    ;;
+    /*)
+      # Absolute path, do nothing.
+    ;;
+    *)
+      # Relative path, prepend $cwd.
+      func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
+    ;;
+  esac
+  # Cancel out all the simple stuff to save iterations.  We also want
+  # the path to end with a slash for ease of parsing, so make sure
+  # there is one (and only one) here.
+  func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
+  while :; do
+    # Processed it all yet?
+    if test "$func_normal_abspath_tpath" = / ; then
+      # If we ascended to the root using ".." the result may be empty now.
+      if test -z "$func_normal_abspath_result" ; then
+        func_normal_abspath_result=/
+      fi
+      break
+    fi
+    func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$pathcar"`
+    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+        -e "$pathcdr"`
+    # Figure out what to do with it
+    case $func_normal_abspath_tcomponent in
+      "")
+        # Trailing empty path component, ignore it.
+      ;;
+      ..)
+        # Parent dir; strip last assembled component from result.
+        func_dirname "$func_normal_abspath_result"
+        func_normal_abspath_result=$func_dirname_result
+      ;;
+      *)
+        # Actual path component, append it.
+        func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent
+      ;;
+    esac
+  done
+  # Restore leading double-slash if one was found on entry.
+  func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
+}
+
+# func_relative_path SRCDIR DSTDIR
+# generates a relative path from SRCDIR to DSTDIR, with a trailing
+# slash if non-empty, suitable for immediately appending a filename
+# without needing to append a separator.
+#             value returned in "$func_relative_path_result"
+func_relative_path ()
+{
+  func_relative_path_result=
+  func_normal_abspath "$1"
+  func_relative_path_tlibdir=$func_normal_abspath_result
+  func_normal_abspath "$2"
+  func_relative_path_tbindir=$func_normal_abspath_result
+
+  # Ascend the tree starting from libdir
+  while :; do
+    # check if we have found a prefix of bindir
+    case $func_relative_path_tbindir in
+      $func_relative_path_tlibdir)
+        # found an exact match
+        func_relative_path_tcancelled=
+        break
+        ;;
+      $func_relative_path_tlibdir*)
+        # found a matching prefix
+        func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+        func_relative_path_tcancelled=$func_stripname_result
+        if test -z "$func_relative_path_result"; then
+          func_relative_path_result=.
+        fi
+        break
+        ;;
+      *)
+        func_dirname $func_relative_path_tlibdir
+        func_relative_path_tlibdir=${func_dirname_result}
+        if test "x$func_relative_path_tlibdir" = x ; then
+          # Have to descend all the way to the root!
+          func_relative_path_result=../$func_relative_path_result
+          func_relative_path_tcancelled=$func_relative_path_tbindir
+          break
+        fi
+        func_relative_path_result=../$func_relative_path_result
+        ;;
+    esac
+  done
+
+  # Now calculate path; take care to avoid doubling-up slashes.
+  func_stripname '' '/' "$func_relative_path_result"
+  func_relative_path_result=$func_stripname_result
+  func_stripname '/' '/' "$func_relative_path_tcancelled"
+  if test "x$func_stripname_result" != x ; then
+    func_relative_path_result=${func_relative_path_result}/${func_stripname_result}
+  fi
+
+  # Normalisation. If bindir is libdir, return empty string,
+  # else relative path ending with a slash; either way, target
+  # file name can be directly appended.
+  if test ! -z "$func_relative_path_result"; then
+    func_stripname './' '' "$func_relative_path_result/"
+    func_relative_path_result=$func_stripname_result
+  fi
+}
+
+# The name of this program:
+func_dirname_and_basename "$progpath"
+progname=$func_basename_result
+
+# Make sure we have an absolute path for reexecution:
+case $progpath in
+  [\\/]*|[A-Za-z]:\\*) ;;
+  *[\\/]*)
+     progdir=$func_dirname_result
+     progdir=`cd "$progdir" && pwd`
+     progpath="$progdir/$progname"
+     ;;
+  *)
+     save_IFS="$IFS"
+     IFS=${PATH_SEPARATOR-:}
+     for progdir in $PATH; do
+       IFS="$save_IFS"
+       test -x "$progdir/$progname" && break
+     done
+     IFS="$save_IFS"
+     test -n "$progdir" || progdir=`pwd`
+     progpath="$progdir/$progname"
+     ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s,[].[^$\\*\/],\\&,g'
+
+# Sed substitution that converts a w32 file name or path
+# which contains forward slashes, into one that contains
+# (escaped) backslashes.  A very naive implementation.
+lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-`\' parameter expansions in output of double_quote_subst that were
+# `\'-ed in input to the same.  If an odd number of `\' preceded a '$'
+# in input to double_quote_subst, that '$' was protected from expansion.
+# Since each input `\' is now two `\'s, look for any number of runs of
+# four `\'s followed by two `\'s and then a '$'.  `\' that '$'.
+bs='\\'
+bs2='\\\\'
+bs4='\\\\\\\\'
+dollar='\$'
+sed_double_backslash="\
+  s/$bs4/&\\
+/g
+  s/^$bs2$dollar/$bs&/
+  s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
+  s/\n//g"
+
+# Standard options:
+opt_dry_run=false
+opt_help=false
+opt_quiet=false
+opt_verbose=false
+opt_warning=:
+
+# func_echo arg...
+# Echo program name prefixed message, along with the current mode
+# name if it has been set yet.
+func_echo ()
+{
+    $ECHO "$progname: ${opt_mode+$opt_mode: }$*"
+}
+
+# func_verbose arg...
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+    $opt_verbose && func_echo ${1+"$@"}
+
+    # A bug in bash halts the script if the last line of a function
+    # fails when set -e is in force, so we need another command to
+    # work around that:
+    :
+}
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+# func_error arg...
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+    $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2
+}
+
+# func_warning arg...
+# Echo program name prefixed warning message to standard error.
+func_warning ()
+{
+    $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2
+
+    # bash bug again:
+    :
+}
+
+# func_fatal_error arg...
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+    func_error ${1+"$@"}
+    exit $EXIT_FAILURE
+}
+
+# func_fatal_help arg...
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+    func_error ${1+"$@"}
+    func_fatal_error "$help"
+}
+help="Try \`$progname --help' for more information."  ## default
+
+
+# func_grep expression filename
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+    $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_mkdir_p directory-path
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+    my_directory_path="$1"
+    my_dir_list=
+
+    if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
+
+      # Protect directory names starting with `-'
+      case $my_directory_path in
+        -*) my_directory_path="./$my_directory_path" ;;
+      esac
+
+      # While some portion of DIR does not yet exist...
+      while test ! -d "$my_directory_path"; do
+        # ...make a list in topmost first order.  Use a colon delimited
+	# list incase some portion of path contains whitespace.
+        my_dir_list="$my_directory_path:$my_dir_list"
+
+        # If the last portion added has no slash in it, the list is done
+        case $my_directory_path in */*) ;; *) break ;; esac
+
+        # ...otherwise throw away the child directory and loop
+        my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"`
+      done
+      my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'`
+
+      save_mkdir_p_IFS="$IFS"; IFS=':'
+      for my_dir in $my_dir_list; do
+	IFS="$save_mkdir_p_IFS"
+        # mkdir can fail with a `File exist' error if two processes
+        # try to create one of the directories concurrently.  Don't
+        # stop in that case!
+        $MKDIR "$my_dir" 2>/dev/null || :
+      done
+      IFS="$save_mkdir_p_IFS"
+
+      # Bail out if we (or some other process) failed to create a directory.
+      test -d "$my_directory_path" || \
+        func_fatal_error "Failed to create \`$1'"
+    fi
+}
+
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+    my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+    if test "$opt_dry_run" = ":"; then
+      # Return a directory name, but don't create it in dry-run mode
+      my_tmpdir="${my_template}-$$"
+    else
+
+      # If mktemp works, use that first and foremost
+      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$my_tmpdir"; then
+        # Failing that, at least try and use $RANDOM to avoid a race
+        my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+        save_mktempdir_umask=`umask`
+        umask 0077
+        $MKDIR "$my_tmpdir"
+        umask $save_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$my_tmpdir" || \
+        func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
+    fi
+
+    $ECHO "$my_tmpdir"
+}
+
+
+# func_quote_for_eval arg
+# Aesthetically quote ARG to be evaled later.
+# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
+# is double-quoted, suitable for a subsequent eval, whereas
+# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
+# which are still active within double quotes backslashified.
+func_quote_for_eval ()
+{
+    case $1 in
+      *[\\\`\"\$]*)
+	func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;;
+      *)
+        func_quote_for_eval_unquoted_result="$1" ;;
+    esac
+
+    case $func_quote_for_eval_unquoted_result in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting, command substitution and and variable
+      # expansion for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
+        ;;
+      *)
+        func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
+    esac
+}
+
+
+# func_quote_for_expand arg
+# Aesthetically quote ARG to be evaled later; same as above,
+# but do not quote variable references.
+func_quote_for_expand ()
+{
+    case $1 in
+      *[\\\`\"]*)
+	my_arg=`$ECHO "$1" | $SED \
+	    -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+      *)
+        my_arg="$1" ;;
+    esac
+
+    case $my_arg in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting and command substitution for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        my_arg="\"$my_arg\""
+        ;;
+    esac
+
+    func_quote_for_expand_result="$my_arg"
+}
+
+
+# func_show_eval cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$my_cmd"
+      my_status=$?
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+
+# func_show_eval_locale cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.  Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$lt_user_locale
+	    $my_cmd"
+      my_status=$?
+      eval "$lt_safe_locale"
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+# func_tr_sh
+# Turn $1 into a string suitable for a shell variable name.
+# Result is stored in $func_tr_sh_result.  All characters
+# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
+# if $1 begins with a digit, a '_' is prepended as well.
+func_tr_sh ()
+{
+  case $1 in
+  [0-9]* | *[!a-zA-Z0-9_]*)
+    func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'`
+    ;;
+  * )
+    func_tr_sh_result=$1
+    ;;
+  esac
+}
+
+
+# func_version
+# Echo version message to standard output and exit.
+func_version ()
+{
+    $opt_debug
+
+    $SED -n '/(C)/!b go
+	:more
+	/\./!{
+	  N
+	  s/\n# / /
+	  b more
+	}
+	:go
+	/^# '$PROGRAM' (GNU /,/# warranty; / {
+        s/^# //
+	s/^# *$//
+        s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
+        p
+     }' < "$progpath"
+     exit $?
+}
+
+# func_usage
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+    $opt_debug
+
+    $SED -n '/^# Usage:/,/^#  *.*--help/ {
+        s/^# //
+	s/^# *$//
+	s/\$progname/'$progname'/
+	p
+    }' < "$progpath"
+    echo
+    $ECHO "run \`$progname --help | more' for full usage"
+    exit $?
+}
+
+# func_help [NOEXIT]
+# Echo long help message to standard output and exit,
+# unless 'noexit' is passed as argument.
+func_help ()
+{
+    $opt_debug
+
+    $SED -n '/^# Usage:/,/# Report bugs to/ {
+	:print
+        s/^# //
+	s/^# *$//
+	s*\$progname*'$progname'*
+	s*\$host*'"$host"'*
+	s*\$SHELL*'"$SHELL"'*
+	s*\$LTCC*'"$LTCC"'*
+	s*\$LTCFLAGS*'"$LTCFLAGS"'*
+	s*\$LD*'"$LD"'*
+	s/\$with_gnu_ld/'"$with_gnu_ld"'/
+	s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
+	s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
+	p
+	d
+     }
+     /^# .* home page:/b print
+     /^# General help using/b print
+     ' < "$progpath"
+    ret=$?
+    if test -z "$1"; then
+      exit $ret
+    fi
+}
+
+# func_missing_arg argname
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+    $opt_debug
+
+    func_error "missing argument for $1."
+    exit_cmd=exit
+}
+
+
+# func_split_short_opt shortopt
+# Set func_split_short_opt_name and func_split_short_opt_arg shell
+# variables after splitting SHORTOPT after the 2nd character.
+func_split_short_opt ()
+{
+    my_sed_short_opt='1s/^\(..\).*$/\1/;q'
+    my_sed_short_rest='1s/^..\(.*\)$/\1/;q'
+
+    func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"`
+    func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"`
+} # func_split_short_opt may be replaced by extended shell implementation
+
+
+# func_split_long_opt longopt
+# Set func_split_long_opt_name and func_split_long_opt_arg shell
+# variables after splitting LONGOPT at the `=' sign.
+func_split_long_opt ()
+{
+    my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
+    my_sed_long_arg='1s/^--[^=]*=//'
+
+    func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"`
+    func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"`
+} # func_split_long_opt may be replaced by extended shell implementation
+
+exit_cmd=:
+
+
+
+
+
+magic="%%%MAGIC variable%%%"
+magic_exe="%%%MAGIC EXE variable%%%"
+
+# Global variables.
+nonopt=
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+    eval "${1}=\$${1}\${2}"
+} # func_append may be replaced by extended shell implementation
+
+# func_append_quoted var value
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+func_append_quoted ()
+{
+    func_quote_for_eval "${2}"
+    eval "${1}=\$${1}\\ \$func_quote_for_eval_result"
+} # func_append_quoted may be replaced by extended shell implementation
+
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+    func_arith_result=`expr "${@}"`
+} # func_arith may be replaced by extended shell implementation
+
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+    func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len`
+} # func_len may be replaced by extended shell implementation
+
+
+# func_lo2o object
+func_lo2o ()
+{
+    func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"`
+} # func_lo2o may be replaced by extended shell implementation
+
+
+# func_xform libobj-or-source
+func_xform ()
+{
+    func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'`
+} # func_xform may be replaced by extended shell implementation
+
+
+# func_fatal_configuration arg...
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+    func_error ${1+"$@"}
+    func_error "See the $PACKAGE documentation for more information."
+    func_fatal_error "Fatal configuration error."
+}
+
+
+# func_config
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+    re_begincf='^# ### BEGIN LIBTOOL'
+    re_endcf='^# ### END LIBTOOL'
+
+    # Default configuration.
+    $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+    # Now print the configurations for the tags.
+    for tagname in $taglist; do
+      $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+    done
+
+    exit $?
+}
+
+# func_features
+# Display the features supported by this script.
+func_features ()
+{
+    echo "host: $host"
+    if test "$build_libtool_libs" = yes; then
+      echo "enable shared libraries"
+    else
+      echo "disable shared libraries"
+    fi
+    if test "$build_old_libs" = yes; then
+      echo "enable static libraries"
+    else
+      echo "disable static libraries"
+    fi
+
+    exit $?
+}
+
+# func_enable_tag tagname
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+  # Global variable:
+  tagname="$1"
+
+  re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+  re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+  sed_extractcf="/$re_begincf/,/$re_endcf/p"
+
+  # Validate tagname.
+  case $tagname in
+    *[!-_A-Za-z0-9,/]*)
+      func_fatal_error "invalid tag name: $tagname"
+      ;;
+  esac
+
+  # Don't test for the "default" C tag, as we know it's
+  # there but not specially marked.
+  case $tagname in
+    CC) ;;
+    *)
+      if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+	taglist="$taglist $tagname"
+
+	# Evaluate the configuration.  Be careful to quote the path
+	# and the sed script, to avoid splitting on whitespace, but
+	# also don't use non-portable quotes within backquotes within
+	# quotes we have to do it in 2 steps:
+	extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+	eval "$extractedcf"
+      else
+	func_error "ignoring unknown tag $tagname"
+      fi
+      ;;
+  esac
+}
+
+# func_check_version_match
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+  if test "$package_revision" != "$macro_revision"; then
+    if test "$VERSION" != "$macro_version"; then
+      if test -z "$macro_version"; then
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      else
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      fi
+    else
+      cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+    fi
+
+    exit $EXIT_MISMATCH
+  fi
+}
+
+
+# Shorthand for --mode=foo, only valid as the first argument
+case $1 in
+clean|clea|cle|cl)
+  shift; set dummy --mode clean ${1+"$@"}; shift
+  ;;
+compile|compil|compi|comp|com|co|c)
+  shift; set dummy --mode compile ${1+"$@"}; shift
+  ;;
+execute|execut|execu|exec|exe|ex|e)
+  shift; set dummy --mode execute ${1+"$@"}; shift
+  ;;
+finish|finis|fini|fin|fi|f)
+  shift; set dummy --mode finish ${1+"$@"}; shift
+  ;;
+install|instal|insta|inst|ins|in|i)
+  shift; set dummy --mode install ${1+"$@"}; shift
+  ;;
+link|lin|li|l)
+  shift; set dummy --mode link ${1+"$@"}; shift
+  ;;
+uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+  shift; set dummy --mode uninstall ${1+"$@"}; shift
+  ;;
+esac
+
+
+
+# Option defaults:
+opt_debug=:
+opt_dry_run=false
+opt_config=false
+opt_preserve_dup_deps=false
+opt_features=false
+opt_finish=false
+opt_help=false
+opt_help_all=false
+opt_silent=:
+opt_warning=:
+opt_verbose=:
+opt_silent=false
+opt_verbose=false
+
+
+# Parse options once, thoroughly.  This comes as soon as possible in the
+# script to make things like `--version' happen as quickly as we can.
+{
+  # this just eases exit handling
+  while test $# -gt 0; do
+    opt="$1"
+    shift
+    case $opt in
+      --debug|-x)	opt_debug='set -x'
+			func_echo "enabling shell trace mode"
+			$opt_debug
+			;;
+      --dry-run|--dryrun|-n)
+			opt_dry_run=:
+			;;
+      --config)
+			opt_config=:
+func_config
+			;;
+      --dlopen|-dlopen)
+			optarg="$1"
+			opt_dlopen="${opt_dlopen+$opt_dlopen
+}$optarg"
+			shift
+			;;
+      --preserve-dup-deps)
+			opt_preserve_dup_deps=:
+			;;
+      --features)
+			opt_features=:
+func_features
+			;;
+      --finish)
+			opt_finish=:
+set dummy --mode finish ${1+"$@"}; shift
+			;;
+      --help)
+			opt_help=:
+			;;
+      --help-all)
+			opt_help_all=:
+opt_help=': help-all'
+			;;
+      --mode)
+			test $# = 0 && func_missing_arg $opt && break
+			optarg="$1"
+			opt_mode="$optarg"
+case $optarg in
+  # Valid mode arguments:
+  clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+  # Catch anything else as an error
+  *) func_error "invalid argument for $opt"
+     exit_cmd=exit
+     break
+     ;;
+esac
+			shift
+			;;
+      --no-silent|--no-quiet)
+			opt_silent=false
+func_append preserve_args " $opt"
+			;;
+      --no-warning|--no-warn)
+			opt_warning=false
+func_append preserve_args " $opt"
+			;;
+      --no-verbose)
+			opt_verbose=false
+func_append preserve_args " $opt"
+			;;
+      --silent|--quiet)
+			opt_silent=:
+func_append preserve_args " $opt"
+        opt_verbose=false
+			;;
+      --verbose|-v)
+			opt_verbose=:
+func_append preserve_args " $opt"
+opt_silent=false
+			;;
+      --tag)
+			test $# = 0 && func_missing_arg $opt && break
+			optarg="$1"
+			opt_tag="$optarg"
+func_append preserve_args " $opt $optarg"
+func_enable_tag "$optarg"
+			shift
+			;;
+
+      -\?|-h)		func_usage				;;
+      --help)		func_help				;;
+      --version)	func_version				;;
+
+      # Separate optargs to long options:
+      --*=*)
+			func_split_long_opt "$opt"
+			set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"}
+			shift
+			;;
+
+      # Separate non-argument short options:
+      -\?*|-h*|-n*|-v*)
+			func_split_short_opt "$opt"
+			set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"}
+			shift
+			;;
+
+      --)		break					;;
+      -*)		func_fatal_help "unrecognized option \`$opt'" ;;
+      *)		set dummy "$opt" ${1+"$@"};	shift; break  ;;
+    esac
+  done
+
+  # Validate options:
+
+  # save first non-option argument
+  if test "$#" -gt 0; then
+    nonopt="$opt"
+    shift
+  fi
+
+  # preserve --debug
+  test "$opt_debug" = : || func_append preserve_args " --debug"
+
+  case $host in
+    *cygwin* | *mingw* | *pw32* | *cegcc*)
+      # don't eliminate duplications in $postdeps and $predeps
+      opt_duplicate_compiler_generated_deps=:
+      ;;
+    *)
+      opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
+      ;;
+  esac
+
+  $opt_help || {
+    # Sanity checks first:
+    func_check_version_match
+
+    if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+      func_fatal_configuration "not configured to build any kind of library"
+    fi
+
+    # Darwin sucks
+    eval std_shrext=\"$shrext_cmds\"
+
+    # Only execute mode is allowed to have -dlopen flags.
+    if test -n "$opt_dlopen" && test "$opt_mode" != execute; then
+      func_error "unrecognized option \`-dlopen'"
+      $ECHO "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    # Change the help message to a mode-specific one.
+    generic_help="$help"
+    help="Try \`$progname --help --mode=$opt_mode' for more information."
+  }
+
+
+  # Bail if the options were screwed
+  $exit_cmd $EXIT_FAILURE
+}
+
+
+
+
+## ----------- ##
+##    Main.    ##
+## ----------- ##
+
+# func_lalib_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+    test -f "$1" &&
+      $SED -e 4q "$1" 2>/dev/null \
+        | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs.  To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway.  Works if `file' does not exist.
+func_lalib_unsafe_p ()
+{
+    lalib_p=no
+    if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
+	for lalib_p_l in 1 2 3 4
+	do
+	    read lalib_p_line
+	    case "$lalib_p_line" in
+		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+	    esac
+	done
+	exec 0<&5 5<&-
+    fi
+    test "$lalib_p" = yes
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+    func_lalib_p "$1"
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+    func_ltwrapper_exec_suffix=
+    case $1 in
+    *.exe) ;;
+    *) func_ltwrapper_exec_suffix=.exe ;;
+    esac
+    $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+    func_dirname_and_basename "$1" "" "."
+    func_stripname '' '.exe' "$func_basename_result"
+    func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+    func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+    $opt_debug
+    save_ifs=$IFS; IFS='~'
+    for cmd in $1; do
+      IFS=$save_ifs
+      eval cmd=\"$cmd\"
+      func_show_eval "$cmd" "${2-:}"
+    done
+    IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)!  Also, sourcing
+# `FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+    $opt_debug
+    case $1 in
+    */* | *\\*)	. "$1" ;;
+    *)		. "./$1" ;;
+    esac
+}
+
+
+# func_resolve_sysroot PATH
+# Replace a leading = in PATH with a sysroot.  Store the result into
+# func_resolve_sysroot_result
+func_resolve_sysroot ()
+{
+  func_resolve_sysroot_result=$1
+  case $func_resolve_sysroot_result in
+  =*)
+    func_stripname '=' '' "$func_resolve_sysroot_result"
+    func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
+    ;;
+  esac
+}
+
+# func_replace_sysroot PATH
+# If PATH begins with the sysroot, replace it with = and
+# store the result into func_replace_sysroot_result.
+func_replace_sysroot ()
+{
+  case "$lt_sysroot:$1" in
+  ?*:"$lt_sysroot"*)
+    func_stripname "$lt_sysroot" '' "$1"
+    func_replace_sysroot_result="=$func_stripname_result"
+    ;;
+  *)
+    # Including no sysroot.
+    func_replace_sysroot_result=$1
+    ;;
+  esac
+}
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+    $opt_debug
+    if test -n "$available_tags" && test -z "$tagname"; then
+      CC_quoted=
+      for arg in $CC; do
+	func_append_quoted CC_quoted "$arg"
+      done
+      CC_expanded=`func_echo_all $CC`
+      CC_quoted_expanded=`func_echo_all $CC_quoted`
+      case $@ in
+      # Blanks in the command may have been stripped by the calling shell,
+      # but not from the CC environment variable when configure was run.
+      " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+      " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
+      # Blanks at the start of $base_compile will cause this to fail
+      # if we don't check for them as well.
+      *)
+	for z in $available_tags; do
+	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+	    # Evaluate the configuration.
+	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    CC_quoted=
+	    for arg in $CC; do
+	      # Double-quote args containing other shell metacharacters.
+	      func_append_quoted CC_quoted "$arg"
+	    done
+	    CC_expanded=`func_echo_all $CC`
+	    CC_quoted_expanded=`func_echo_all $CC_quoted`
+	    case "$@ " in
+	    " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+	    " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
+	      # The compiler in the base compile command matches
+	      # the one in the tagged configuration.
+	      # Assume this is the tagged configuration we want.
+	      tagname=$z
+	      break
+	      ;;
+	    esac
+	  fi
+	done
+	# If $tagname still isn't set, then no tagged configuration
+	# was found and let the user know that the "--tag" command
+	# line option must be used.
+	if test -z "$tagname"; then
+	  func_echo "unable to infer tagged configuration"
+	  func_fatal_error "specify a tag with \`--tag'"
+#	else
+#	  func_verbose "using $tagname tagged configuration"
+	fi
+	;;
+      esac
+    fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+    write_libobj=${1}
+    if test "$build_libtool_libs" = yes; then
+      write_lobj=\'${2}\'
+    else
+      write_lobj=none
+    fi
+
+    if test "$build_old_libs" = yes; then
+      write_oldobj=\'${3}\'
+    else
+      write_oldobj=none
+    fi
+
+    $opt_dry_run || {
+      cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+      $MV "${write_libobj}T" "${write_libobj}"
+    }
+}
+
+
+##################################################
+# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
+##################################################
+
+# func_convert_core_file_wine_to_w32 ARG
+# Helper function used by file name conversion functions when $build is *nix,
+# and $host is mingw, cygwin, or some other w32 environment. Relies on a
+# correctly configured wine environment available, with the winepath program
+# in $build's $PATH.
+#
+# ARG is the $build file name to be converted to w32 format.
+# Result is available in $func_convert_core_file_wine_to_w32_result, and will
+# be empty on error (or when ARG is empty)
+func_convert_core_file_wine_to_w32 ()
+{
+  $opt_debug
+  func_convert_core_file_wine_to_w32_result="$1"
+  if test -n "$1"; then
+    # Unfortunately, winepath does not exit with a non-zero error code, so we
+    # are forced to check the contents of stdout. On the other hand, if the
+    # command is not found, the shell will set an exit code of 127 and print
+    # *an error message* to stdout. So we must check for both error code of
+    # zero AND non-empty stdout, which explains the odd construction:
+    func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
+    if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then
+      func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
+        $SED -e "$lt_sed_naive_backslashify"`
+    else
+      func_convert_core_file_wine_to_w32_result=
+    fi
+  fi
+}
+# end: func_convert_core_file_wine_to_w32
+
+
+# func_convert_core_path_wine_to_w32 ARG
+# Helper function used by path conversion functions when $build is *nix, and
+# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
+# configured wine environment available, with the winepath program in $build's
+# $PATH. Assumes ARG has no leading or trailing path separator characters.
+#
+# ARG is path to be converted from $build format to win32.
+# Result is available in $func_convert_core_path_wine_to_w32_result.
+# Unconvertible file (directory) names in ARG are skipped; if no directory names
+# are convertible, then the result may be empty.
+func_convert_core_path_wine_to_w32 ()
+{
+  $opt_debug
+  # unfortunately, winepath doesn't convert paths, only file names
+  func_convert_core_path_wine_to_w32_result=""
+  if test -n "$1"; then
+    oldIFS=$IFS
+    IFS=:
+    for func_convert_core_path_wine_to_w32_f in $1; do
+      IFS=$oldIFS
+      func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
+      if test -n "$func_convert_core_file_wine_to_w32_result" ; then
+        if test -z "$func_convert_core_path_wine_to_w32_result"; then
+          func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result"
+        else
+          func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
+        fi
+      fi
+    done
+    IFS=$oldIFS
+  fi
+}
+# end: func_convert_core_path_wine_to_w32
+
+
+# func_cygpath ARGS...
+# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
+# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
+# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
+# (2), returns the Cygwin file name or path in func_cygpath_result (input
+# file name or path is assumed to be in w32 format, as previously converted
+# from $build's *nix or MSYS format). In case (3), returns the w32 file name
+# or path in func_cygpath_result (input file name or path is assumed to be in
+# Cygwin format). Returns an empty string on error.
+#
+# ARGS are passed to cygpath, with the last one being the file name or path to
+# be converted.
+#
+# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
+# environment variable; do not put it in $PATH.
+func_cygpath ()
+{
+  $opt_debug
+  if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
+    func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
+    if test "$?" -ne 0; then
+      # on failure, ensure result is empty
+      func_cygpath_result=
+    fi
+  else
+    func_cygpath_result=
+    func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'"
+  fi
+}
+#end: func_cygpath
+
+
+# func_convert_core_msys_to_w32 ARG
+# Convert file name or path ARG from MSYS format to w32 format.  Return
+# result in func_convert_core_msys_to_w32_result.
+func_convert_core_msys_to_w32 ()
+{
+  $opt_debug
+  # awkward: cmd appends spaces to result
+  func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+    $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"`
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_file_check ARG1 ARG2
+# Verify that ARG1 (a file name in $build format) was converted to $host
+# format in ARG2. Otherwise, emit an error message, but continue (resetting
+# func_to_host_file_result to ARG1).
+func_convert_file_check ()
+{
+  $opt_debug
+  if test -z "$2" && test -n "$1" ; then
+    func_error "Could not determine host file name corresponding to"
+    func_error "  \`$1'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback:
+    func_to_host_file_result="$1"
+  fi
+}
+# end func_convert_file_check
+
+
+# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
+# Verify that FROM_PATH (a path in $build format) was converted to $host
+# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
+# func_to_host_file_result to a simplistic fallback value (see below).
+func_convert_path_check ()
+{
+  $opt_debug
+  if test -z "$4" && test -n "$3"; then
+    func_error "Could not determine the host path corresponding to"
+    func_error "  \`$3'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback.  This is a deliberately simplistic "conversion" and
+    # should not be "improved".  See libtool.info.
+    if test "x$1" != "x$2"; then
+      lt_replace_pathsep_chars="s|$1|$2|g"
+      func_to_host_path_result=`echo "$3" |
+        $SED -e "$lt_replace_pathsep_chars"`
+    else
+      func_to_host_path_result="$3"
+    fi
+  fi
+}
+# end func_convert_path_check
+
+
+# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
+# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
+# and appending REPL if ORIG matches BACKPAT.
+func_convert_path_front_back_pathsep ()
+{
+  $opt_debug
+  case $4 in
+  $1 ) func_to_host_path_result="$3$func_to_host_path_result"
+    ;;
+  esac
+  case $4 in
+  $2 ) func_append func_to_host_path_result "$3"
+    ;;
+  esac
+}
+# end func_convert_path_front_back_pathsep
+
+
+##################################################
+# $build to $host FILE NAME CONVERSION FUNCTIONS #
+##################################################
+# invoked via `$to_host_file_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# Result will be available in $func_to_host_file_result.
+
+
+# func_to_host_file ARG
+# Converts the file name ARG from $build format to $host format. Return result
+# in func_to_host_file_result.
+func_to_host_file ()
+{
+  $opt_debug
+  $to_host_file_cmd "$1"
+}
+# end func_to_host_file
+
+
+# func_to_tool_file ARG LAZY
+# converts the file name ARG from $build format to toolchain format. Return
+# result in func_to_tool_file_result.  If the conversion in use is listed
+# in (the comma separated) LAZY, no conversion takes place.
+func_to_tool_file ()
+{
+  $opt_debug
+  case ,$2, in
+    *,"$to_tool_file_cmd",*)
+      func_to_tool_file_result=$1
+      ;;
+    *)
+      $to_tool_file_cmd "$1"
+      func_to_tool_file_result=$func_to_host_file_result
+      ;;
+  esac
+}
+# end func_to_tool_file
+
+
+# func_convert_file_noop ARG
+# Copy ARG to func_to_host_file_result.
+func_convert_file_noop ()
+{
+  func_to_host_file_result="$1"
+}
+# end func_convert_file_noop
+
+
+# func_convert_file_msys_to_w32 ARG
+# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_file_result.
+func_convert_file_msys_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_to_host_file_result="$func_convert_core_msys_to_w32_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_w32
+
+
+# func_convert_file_cygwin_to_w32 ARG
+# Convert file name ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_file_cygwin_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
+    # LT_CYGPATH in this case.
+    func_to_host_file_result=`cygpath -m "$1"`
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_cygwin_to_w32
+
+
+# func_convert_file_nix_to_w32 ARG
+# Convert file name ARG from *nix to w32 format.  Requires a wine environment
+# and a working winepath. Returns result in func_to_host_file_result.
+func_convert_file_nix_to_w32 ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_file_wine_to_w32 "$1"
+    func_to_host_file_result="$func_convert_core_file_wine_to_w32_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_w32
+
+
+# func_convert_file_msys_to_cygwin ARG
+# Convert file name ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_file_msys_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_msys_to_w32_result"
+    func_to_host_file_result="$func_cygpath_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_cygwin
+
+
+# func_convert_file_nix_to_cygwin ARG
+# Convert file name ARG from *nix to Cygwin format.  Requires Cygwin installed
+# in a wine environment, working winepath, and LT_CYGPATH set.  Returns result
+# in func_to_host_file_result.
+func_convert_file_nix_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_file_result="$1"
+  if test -n "$1"; then
+    # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
+    func_convert_core_file_wine_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
+    func_to_host_file_result="$func_cygpath_result"
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_cygwin
+
+
+#############################################
+# $build to $host PATH CONVERSION FUNCTIONS #
+#############################################
+# invoked via `$to_host_path_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# The result will be available in $func_to_host_path_result.
+#
+# Path separators are also converted from $build format to $host format.  If
+# ARG begins or ends with a path separator character, it is preserved (but
+# converted to $host format) on output.
+#
+# All path conversion functions are named using the following convention:
+#   file name conversion function    : func_convert_file_X_to_Y ()
+#   path conversion function         : func_convert_path_X_to_Y ()
+# where, for any given $build/$host combination the 'X_to_Y' value is the
+# same.  If conversion functions are added for new $build/$host combinations,
+# the two new functions must follow this pattern, or func_init_to_host_path_cmd
+# will break.
+
+
+# func_init_to_host_path_cmd
+# Ensures that function "pointer" variable $to_host_path_cmd is set to the
+# appropriate value, based on the value of $to_host_file_cmd.
+to_host_path_cmd=
+func_init_to_host_path_cmd ()
+{
+  $opt_debug
+  if test -z "$to_host_path_cmd"; then
+    func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
+    to_host_path_cmd="func_convert_path_${func_stripname_result}"
+  fi
+}
+
+
+# func_to_host_path ARG
+# Converts the path ARG from $build format to $host format. Return result
+# in func_to_host_path_result.
+func_to_host_path ()
+{
+  $opt_debug
+  func_init_to_host_path_cmd
+  $to_host_path_cmd "$1"
+}
+# end func_to_host_path
+
+
+# func_convert_path_noop ARG
+# Copy ARG to func_to_host_path_result.
+func_convert_path_noop ()
+{
+  func_to_host_path_result="$1"
+}
+# end func_convert_path_noop
+
+
+# func_convert_path_msys_to_w32 ARG
+# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_path_result.
+func_convert_path_msys_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from ARG.  MSYS
+    # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
+    # and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result="$func_convert_core_msys_to_w32_result"
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_msys_to_w32
+
+
+# func_convert_path_cygwin_to_w32 ARG
+# Convert path ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_path_cygwin_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_cygwin_to_w32
+
+
+# func_convert_path_nix_to_w32 ARG
+# Convert path ARG from *nix to w32 format.  Requires a wine environment and
+# a working winepath.  Returns result in func_to_host_file_result.
+func_convert_path_nix_to_w32 ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result="$func_convert_core_path_wine_to_w32_result"
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_nix_to_w32
+
+
+# func_convert_path_msys_to_cygwin ARG
+# Convert path ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_path_msys_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+    func_to_host_path_result="$func_cygpath_result"
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_msys_to_cygwin
+
+
+# func_convert_path_nix_to_cygwin ARG
+# Convert path ARG from *nix to Cygwin format.  Requires Cygwin installed in a
+# a wine environment, working winepath, and LT_CYGPATH set.  Returns result in
+# func_to_host_file_result.
+func_convert_path_nix_to_cygwin ()
+{
+  $opt_debug
+  func_to_host_path_result="$1"
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from
+    # ARG. msys behavior is inconsistent here, cygpath turns them
+    # into '.;' and ';.', and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
+    func_to_host_path_result="$func_cygpath_result"
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_nix_to_cygwin
+
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+    $opt_debug
+    # Get the compilation command and the source file.
+    base_compile=
+    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
+    suppress_opt=yes
+    suppress_output=
+    arg_mode=normal
+    libobj=
+    later=
+    pie_flag=
+
+    for arg
+    do
+      case $arg_mode in
+      arg  )
+	# do not "continue".  Instead, add this to base_compile
+	lastarg="$arg"
+	arg_mode=normal
+	;;
+
+      target )
+	libobj="$arg"
+	arg_mode=normal
+	continue
+	;;
+
+      normal )
+	# Accept any command-line options.
+	case $arg in
+	-o)
+	  test -n "$libobj" && \
+	    func_fatal_error "you cannot specify \`-o' more than once"
+	  arg_mode=target
+	  continue
+	  ;;
+
+	-pie | -fpie | -fPIE)
+          func_append pie_flag " $arg"
+	  continue
+	  ;;
+
+	-shared | -static | -prefer-pic | -prefer-non-pic)
+	  func_append later " $arg"
+	  continue
+	  ;;
+
+	-no-suppress)
+	  suppress_opt=no
+	  continue
+	  ;;
+
+	-Xcompiler)
+	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
+	  continue      #  The current "srcfile" will either be retained or
+	  ;;            #  replaced later.  I would guess that would be a bug.
+
+	-Wc,*)
+	  func_stripname '-Wc,' '' "$arg"
+	  args=$func_stripname_result
+	  lastarg=
+	  save_ifs="$IFS"; IFS=','
+	  for arg in $args; do
+	    IFS="$save_ifs"
+	    func_append_quoted lastarg "$arg"
+	  done
+	  IFS="$save_ifs"
+	  func_stripname ' ' '' "$lastarg"
+	  lastarg=$func_stripname_result
+
+	  # Add the arguments to base_compile.
+	  func_append base_compile " $lastarg"
+	  continue
+	  ;;
+
+	*)
+	  # Accept the current argument as the source file.
+	  # The previous "srcfile" becomes the current argument.
+	  #
+	  lastarg="$srcfile"
+	  srcfile="$arg"
+	  ;;
+	esac  #  case $arg
+	;;
+      esac    #  case $arg_mode
+
+      # Aesthetically quote the previous argument.
+      func_append_quoted base_compile "$lastarg"
+    done # for arg
+
+    case $arg_mode in
+    arg)
+      func_fatal_error "you must specify an argument for -Xcompile"
+      ;;
+    target)
+      func_fatal_error "you must specify a target with \`-o'"
+      ;;
+    *)
+      # Get the name of the library object.
+      test -z "$libobj" && {
+	func_basename "$srcfile"
+	libobj="$func_basename_result"
+      }
+      ;;
+    esac
+
+    # Recognize several different file suffixes.
+    # If the user specifies -o file.o, it is replaced with file.lo
+    case $libobj in
+    *.[cCFSifmso] | \
+    *.ada | *.adb | *.ads | *.asm | \
+    *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+    *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
+      func_xform "$libobj"
+      libobj=$func_xform_result
+      ;;
+    esac
+
+    case $libobj in
+    *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+    *)
+      func_fatal_error "cannot determine name of library object from \`$libobj'"
+      ;;
+    esac
+
+    func_infer_tag $base_compile
+
+    for arg in $later; do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	continue
+	;;
+
+      -static)
+	build_libtool_libs=no
+	build_old_libs=yes
+	continue
+	;;
+
+      -prefer-pic)
+	pic_mode=yes
+	continue
+	;;
+
+      -prefer-non-pic)
+	pic_mode=no
+	continue
+	;;
+      esac
+    done
+
+    func_quote_for_eval "$libobj"
+    test "X$libobj" != "X$func_quote_for_eval_result" \
+      && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"'	 &()|`$[]' \
+      && func_warning "libobj name \`$libobj' may not contain shell special characters."
+    func_dirname_and_basename "$obj" "/" ""
+    objname="$func_basename_result"
+    xdir="$func_dirname_result"
+    lobj=${xdir}$objdir/$objname
+
+    test -z "$base_compile" && \
+      func_fatal_help "you must specify a compilation command"
+
+    # Delete any leftover library objects.
+    if test "$build_old_libs" = yes; then
+      removelist="$obj $lobj $libobj ${libobj}T"
+    else
+      removelist="$lobj $libobj ${libobj}T"
+    fi
+
+    # On Cygwin there's no "real" PIC flag so we must build both object types
+    case $host_os in
+    cygwin* | mingw* | pw32* | os2* | cegcc*)
+      pic_mode=default
+      ;;
+    esac
+    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+      # non-PIC code in shared libraries is not supported
+      pic_mode=default
+    fi
+
+    # Calculate the filename of the output object if compiler does
+    # not support -o with -c
+    if test "$compiler_c_o" = no; then
+      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext}
+      lockfile="$output_obj.lock"
+    else
+      output_obj=
+      need_locks=no
+      lockfile=
+    fi
+
+    # Lock this critical section if it is needed
+    # We use this script file to make the link, it avoids creating a new file
+    if test "$need_locks" = yes; then
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    elif test "$need_locks" = warn; then
+      if test -f "$lockfile"; then
+	$ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+      func_append removelist " $output_obj"
+      $ECHO "$srcfile" > "$lockfile"
+    fi
+
+    $opt_dry_run || $RM $removelist
+    func_append removelist " $lockfile"
+    trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+    func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
+    srcfile=$func_to_tool_file_result
+    func_quote_for_eval "$srcfile"
+    qsrcfile=$func_quote_for_eval_result
+
+    # Only build a PIC object if we are building libtool libraries.
+    if test "$build_libtool_libs" = yes; then
+      # Without this assignment, base_compile gets emptied.
+      fbsd_hideous_sh_bug=$base_compile
+
+      if test "$pic_mode" != no; then
+	command="$base_compile $qsrcfile $pic_flag"
+      else
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      fi
+
+      func_mkdir_p "$xdir$objdir"
+
+      if test -z "$output_obj"; then
+	# Place PIC objects in $objdir
+	func_append command " -o $lobj"
+      fi
+
+      func_show_eval_locale "$command"	\
+          'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed, then go on to compile the next one
+      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+	func_show_eval '$MV "$output_obj" "$lobj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+
+      # Allow error messages only from the first compilation.
+      if test "$suppress_opt" = yes; then
+	suppress_output=' >/dev/null 2>&1'
+      fi
+    fi
+
+    # Only build a position-dependent object if we build old libraries.
+    if test "$build_old_libs" = yes; then
+      if test "$pic_mode" != yes; then
+	# Don't build PIC code
+	command="$base_compile $qsrcfile$pie_flag"
+      else
+	command="$base_compile $qsrcfile $pic_flag"
+      fi
+      if test "$compiler_c_o" = yes; then
+	func_append command " -o $obj"
+      fi
+
+      # Suppress compiler output if we already did a PIC compilation.
+      func_append command "$suppress_output"
+      func_show_eval_locale "$command" \
+        '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed
+      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+	func_show_eval '$MV "$output_obj" "$obj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+    fi
+
+    $opt_dry_run || {
+      func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+      # Unlock the critical section if it was locked
+      if test "$need_locks" != no; then
+	removelist=$lockfile
+        $RM "$lockfile"
+      fi
+    }
+
+    exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+  test "$opt_mode" = compile && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+    # We need to display help for each of the modes.
+    case $opt_mode in
+      "")
+        # Generic help is extracted from the usage comments
+        # at the start of this file.
+        func_help
+        ;;
+
+      clean)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      compile)
+      $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
+  -no-suppress      do not suppress compiler output for multiple passes
+  -prefer-pic       try to build PIC objects only
+  -prefer-non-pic   try to build non-PIC objects only
+  -shared           do not build a \`.o' file suitable for static linking
+  -static           only build a \`.o' file suitable for static linking
+  -Wc,FLAG          pass FLAG directly to the compiler
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+        ;;
+
+      execute)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+  -dlopen FILE      add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+        ;;
+
+      finish)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges.  Use
+the \`--dry-run' option if you just want to see what would be executed."
+        ;;
+
+      install)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command.  The first component should be
+either the \`install' or \`cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+  -inst-prefix-dir PREFIX-DIR  Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+        ;;
+
+      link)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+  -all-static       do not do any dynamic linking at all
+  -avoid-version    do not add a version suffix if possible
+  -bindir BINDIR    specify path to binaries directory (for systems where
+                    libraries must be found in the PATH setting at runtime)
+  -dlopen FILE      \`-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
+  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+  -export-symbols SYMFILE
+                    try to export only the symbols listed in SYMFILE
+  -export-symbols-regex REGEX
+                    try to export only the symbols matching REGEX
+  -LLIBDIR          search LIBDIR for required installed libraries
+  -lNAME            OUTPUT-FILE requires the installed library libNAME
+  -module           build a library that can dlopened
+  -no-fast-install  disable the fast-install mode
+  -no-install       link a not-installable executable
+  -no-undefined     declare that a library does not refer to external symbols
+  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
+  -objectlist FILE  Use a list of object files found in FILE to specify objects
+  -precious-files-regex REGEX
+                    don't remove output files matching REGEX
+  -release RELEASE  specify package release information
+  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
+  -R[ ]LIBDIR       add LIBDIR to the runtime path of programs and libraries
+  -shared           only do dynamic linking of libtool libraries
+  -shrext SUFFIX    override the standard shared library file extension
+  -static           do not do any dynamic linking of uninstalled libtool libraries
+  -static-libtool-libs
+                    do not do any dynamic linking of libtool libraries
+  -version-info CURRENT[:REVISION[:AGE]]
+                    specify library version info [each variable defaults to 0]
+  -weak LIBNAME     declare that the target provides the LIBNAME interface
+  -Wc,FLAG
+  -Xcompiler FLAG   pass linker-specific FLAG directly to the compiler
+  -Wl,FLAG
+  -Xlinker FLAG     pass linker-specific FLAG directly to the linker
+  -XCClinker FLAG   pass link-specific FLAG to the compiler driver (CC)
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename.  Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+        ;;
+
+      uninstall)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      *)
+        func_fatal_help "invalid operation mode \`$opt_mode'"
+        ;;
+    esac
+
+    echo
+    $ECHO "Try \`$progname --help' for more information about other modes."
+}
+
+# Now that we've collected a possible --mode arg, show help if necessary
+if $opt_help; then
+  if test "$opt_help" = :; then
+    func_mode_help
+  else
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	func_mode_help
+      done
+    } | sed -n '1p; 2,$s/^Usage:/  or: /p'
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	echo
+	func_mode_help
+      done
+    } |
+    sed '1d
+      /^When reporting/,/^Report/{
+	H
+	d
+      }
+      $x
+      /information about other modes/d
+      /more detailed .*MODE/d
+      s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/'
+  fi
+  exit $?
+fi
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+    $opt_debug
+    # The first argument is the command name.
+    cmd="$nonopt"
+    test -z "$cmd" && \
+      func_fatal_help "you must specify a COMMAND"
+
+    # Handle -dlopen flags immediately.
+    for file in $opt_dlopen; do
+      test -f "$file" \
+	|| func_fatal_help "\`$file' is not a file"
+
+      dir=
+      case $file in
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$lib' is not a valid libtool archive"
+
+	# Read the libtool library.
+	dlname=
+	library_names=
+	func_source "$file"
+
+	# Skip this library if it cannot be dlopened.
+	if test -z "$dlname"; then
+	  # Warn if it was a shared library.
+	  test -n "$library_names" && \
+	    func_warning "\`$file' was not linked with \`-export-dynamic'"
+	  continue
+	fi
+
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+
+	if test -f "$dir/$objdir/$dlname"; then
+	  func_append dir "/$objdir"
+	else
+	  if test ! -f "$dir/$dlname"; then
+	    func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+	  fi
+	fi
+	;;
+
+      *.lo)
+	# Just add the directory containing the .lo file.
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+	;;
+
+      *)
+	func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+	continue
+	;;
+      esac
+
+      # Get the absolute pathname.
+      absdir=`cd "$dir" && pwd`
+      test -n "$absdir" && dir="$absdir"
+
+      # Now add the directory to shlibpath_var.
+      if eval "test -z \"\$$shlibpath_var\""; then
+	eval "$shlibpath_var=\"\$dir\""
+      else
+	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+      fi
+    done
+
+    # This variable tells wrapper scripts just to set shlibpath_var
+    # rather than running their programs.
+    libtool_execute_magic="$magic"
+
+    # Check if any of the arguments is a wrapper script.
+    args=
+    for file
+    do
+      case $file in
+      -* | *.la | *.lo ) ;;
+      *)
+	# Do a test to see if this is really a libtool program.
+	if func_ltwrapper_script_p "$file"; then
+	  func_source "$file"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	elif func_ltwrapper_executable_p "$file"; then
+	  func_ltwrapper_scriptname "$file"
+	  func_source "$func_ltwrapper_scriptname_result"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	fi
+	;;
+      esac
+      # Quote arguments (to preserve shell metacharacters).
+      func_append_quoted args "$file"
+    done
+
+    if test "X$opt_dry_run" = Xfalse; then
+      if test -n "$shlibpath_var"; then
+	# Export the shlibpath_var.
+	eval "export $shlibpath_var"
+      fi
+
+      # Restore saved environment variables
+      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+      do
+	eval "if test \"\${save_$lt_var+set}\" = set; then
+                $lt_var=\$save_$lt_var; export $lt_var
+	      else
+		$lt_unset $lt_var
+	      fi"
+      done
+
+      # Now prepare to actually exec the command.
+      exec_cmd="\$cmd$args"
+    else
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+	echo "export $shlibpath_var"
+      fi
+      $ECHO "$cmd$args"
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$opt_mode" = execute && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+    $opt_debug
+    libs=
+    libdirs=
+    admincmds=
+
+    for opt in "$nonopt" ${1+"$@"}
+    do
+      if test -d "$opt"; then
+	func_append libdirs " $opt"
+
+      elif test -f "$opt"; then
+	if func_lalib_unsafe_p "$opt"; then
+	  func_append libs " $opt"
+	else
+	  func_warning "\`$opt' is not a valid libtool archive"
+	fi
+
+      else
+	func_fatal_error "invalid argument \`$opt'"
+      fi
+    done
+
+    if test -n "$libs"; then
+      if test -n "$lt_sysroot"; then
+        sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
+        sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;"
+      else
+        sysroot_cmd=
+      fi
+
+      # Remove sysroot references
+      if $opt_dry_run; then
+        for lib in $libs; do
+          echo "removing references to $lt_sysroot and \`=' prefixes from $lib"
+        done
+      else
+        tmpdir=`func_mktempdir`
+        for lib in $libs; do
+	  sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+	    > $tmpdir/tmp-la
+	  mv -f $tmpdir/tmp-la $lib
+	done
+        ${RM}r "$tmpdir"
+      fi
+    fi
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      for libdir in $libdirs; do
+	if test -n "$finish_cmds"; then
+	  # Do each command in the finish commands.
+	  func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+	fi
+	if test -n "$finish_eval"; then
+	  # Do the single finish_eval.
+	  eval cmds=\"$finish_eval\"
+	  $opt_dry_run || eval "$cmds" || func_append admincmds "
+       $cmds"
+	fi
+      done
+    fi
+
+    # Exit here if they wanted silent mode.
+    $opt_silent && exit $EXIT_SUCCESS
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      echo "----------------------------------------------------------------------"
+      echo "Libraries have been installed in:"
+      for libdir in $libdirs; do
+	$ECHO "   $libdir"
+      done
+      echo
+      echo "If you ever happen to want to link against installed libraries"
+      echo "in a given directory, LIBDIR, you must either use libtool, and"
+      echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+      echo "flag during linking and do at least one of the following:"
+      if test -n "$shlibpath_var"; then
+	echo "   - add LIBDIR to the \`$shlibpath_var' environment variable"
+	echo "     during execution"
+      fi
+      if test -n "$runpath_var"; then
+	echo "   - add LIBDIR to the \`$runpath_var' environment variable"
+	echo "     during linking"
+      fi
+      if test -n "$hardcode_libdir_flag_spec"; then
+	libdir=LIBDIR
+	eval flag=\"$hardcode_libdir_flag_spec\"
+
+	$ECHO "   - use the \`$flag' linker flag"
+      fi
+      if test -n "$admincmds"; then
+	$ECHO "   - have your system administrator run these commands:$admincmds"
+      fi
+      if test -f /etc/ld.so.conf; then
+	echo "   - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+      fi
+      echo
+
+      echo "See any operating system documentation about shared libraries for"
+      case $host in
+	solaris2.[6789]|solaris2.1[0-9])
+	  echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+	  echo "pages."
+	  ;;
+	*)
+	  echo "more information, such as the ld(1) and ld.so(8) manual pages."
+	  ;;
+      esac
+      echo "----------------------------------------------------------------------"
+    fi
+    exit $EXIT_SUCCESS
+}
+
+test "$opt_mode" = finish && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+    $opt_debug
+    # There may be an optional sh(1) argument at the beginning of
+    # install_prog (especially on Windows NT).
+    if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+       # Allow the use of GNU shtool's install command.
+       case $nonopt in *shtool*) :;; *) false;; esac; then
+      # Aesthetically quote it.
+      func_quote_for_eval "$nonopt"
+      install_prog="$func_quote_for_eval_result "
+      arg=$1
+      shift
+    else
+      install_prog=
+      arg=$nonopt
+    fi
+
+    # The real first argument should be the name of the installation program.
+    # Aesthetically quote it.
+    func_quote_for_eval "$arg"
+    func_append install_prog "$func_quote_for_eval_result"
+    install_shared_prog=$install_prog
+    case " $install_prog " in
+      *[\\\ /]cp\ *) install_cp=: ;;
+      *) install_cp=false ;;
+    esac
+
+    # We need to accept at least all the BSD install flags.
+    dest=
+    files=
+    opts=
+    prev=
+    install_type=
+    isdir=no
+    stripme=
+    no_mode=:
+    for arg
+    do
+      arg2=
+      if test -n "$dest"; then
+	func_append files " $dest"
+	dest=$arg
+	continue
+      fi
+
+      case $arg in
+      -d) isdir=yes ;;
+      -f)
+	if $install_cp; then :; else
+	  prev=$arg
+	fi
+	;;
+      -g | -m | -o)
+	prev=$arg
+	;;
+      -s)
+	stripme=" -s"
+	continue
+	;;
+      -*)
+	;;
+      *)
+	# If the previous option needed an argument, then skip it.
+	if test -n "$prev"; then
+	  if test "x$prev" = x-m && test -n "$install_override_mode"; then
+	    arg2=$install_override_mode
+	    no_mode=false
+	  fi
+	  prev=
+	else
+	  dest=$arg
+	  continue
+	fi
+	;;
+      esac
+
+      # Aesthetically quote the argument.
+      func_quote_for_eval "$arg"
+      func_append install_prog " $func_quote_for_eval_result"
+      if test -n "$arg2"; then
+	func_quote_for_eval "$arg2"
+      fi
+      func_append install_shared_prog " $func_quote_for_eval_result"
+    done
+
+    test -z "$install_prog" && \
+      func_fatal_help "you must specify an install program"
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prev' option requires an argument"
+
+    if test -n "$install_override_mode" && $no_mode; then
+      if $install_cp; then :; else
+	func_quote_for_eval "$install_override_mode"
+	func_append install_shared_prog " -m $func_quote_for_eval_result"
+      fi
+    fi
+
+    if test -z "$files"; then
+      if test -z "$dest"; then
+	func_fatal_help "no file or destination specified"
+      else
+	func_fatal_help "you must specify a destination"
+      fi
+    fi
+
+    # Strip any trailing slash from the destination.
+    func_stripname '' '/' "$dest"
+    dest=$func_stripname_result
+
+    # Check to see that the destination is a directory.
+    test -d "$dest" && isdir=yes
+    if test "$isdir" = yes; then
+      destdir="$dest"
+      destname=
+    else
+      func_dirname_and_basename "$dest" "" "."
+      destdir="$func_dirname_result"
+      destname="$func_basename_result"
+
+      # Not a directory, so check to see that there is only one file specified.
+      set dummy $files; shift
+      test "$#" -gt 1 && \
+	func_fatal_help "\`$dest' is not a directory"
+    fi
+    case $destdir in
+    [\\/]* | [A-Za-z]:[\\/]*) ;;
+    *)
+      for file in $files; do
+	case $file in
+	*.lo) ;;
+	*)
+	  func_fatal_help "\`$destdir' must be an absolute directory name"
+	  ;;
+	esac
+      done
+      ;;
+    esac
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    staticlibs=
+    future_libdirs=
+    current_libdirs=
+    for file in $files; do
+
+      # Do each installation.
+      case $file in
+      *.$libext)
+	# Do the static libraries later.
+	func_append staticlibs " $file"
+	;;
+
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$file' is not a valid libtool archive"
+
+	library_names=
+	old_library=
+	relink_command=
+	func_source "$file"
+
+	# Add the libdir to current_libdirs if it is the destination.
+	if test "X$destdir" = "X$libdir"; then
+	  case "$current_libdirs " in
+	  *" $libdir "*) ;;
+	  *) func_append current_libdirs " $libdir" ;;
+	  esac
+	else
+	  # Note the libdir as a future libdir.
+	  case "$future_libdirs " in
+	  *" $libdir "*) ;;
+	  *) func_append future_libdirs " $libdir" ;;
+	  esac
+	fi
+
+	func_dirname "$file" "/" ""
+	dir="$func_dirname_result"
+	func_append dir "$objdir"
+
+	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  # At present, this check doesn't affect windows .dll's that
+	  # are installed into $libdir/../bin (currently, that works fine)
+	  # but it's something to keep an eye on.
+	  test "$inst_prefix_dir" = "$destdir" && \
+	    func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+	  else
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
+	  fi
+
+	  func_warning "relinking \`$file'"
+	  func_show_eval "$relink_command" \
+	    'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+	fi
+
+	# See the names of the shared library.
+	set dummy $library_names; shift
+	if test -n "$1"; then
+	  realname="$1"
+	  shift
+
+	  srcname="$realname"
+	  test -n "$relink_command" && srcname="$realname"T
+
+	  # Install the shared library and build the symlinks.
+	  func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
+	      'exit $?'
+	  tstripme="$stripme"
+	  case $host_os in
+	  cygwin* | mingw* | pw32* | cegcc*)
+	    case $realname in
+	    *.dll.a)
+	      tstripme=""
+	      ;;
+	    esac
+	    ;;
+	  esac
+	  if test -n "$tstripme" && test -n "$striplib"; then
+	    func_show_eval "$striplib $destdir/$realname" 'exit $?'
+	  fi
+
+	  if test "$#" -gt 0; then
+	    # Delete the old symlinks, and create new ones.
+	    # Try `ln -sf' first, because the `ln' binary might depend on
+	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
+	    # so we also need to try rm && ln -s.
+	    for linkname
+	    do
+	      test "$linkname" != "$realname" \
+		&& func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+	    done
+	  fi
+
+	  # Do each command in the postinstall commands.
+	  lib="$destdir/$realname"
+	  func_execute_cmds "$postinstall_cmds" 'exit $?'
+	fi
+
+	# Install the pseudo-library for information purposes.
+	func_basename "$file"
+	name="$func_basename_result"
+	instname="$dir/$name"i
+	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+	# Maybe install the static library, too.
+	test -n "$old_library" && func_append staticlibs " $dir/$old_library"
+	;;
+
+      *.lo)
+	# Install (i.e. copy) a libtool object.
+
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# Deduce the name of the destination old-style object file.
+	case $destfile in
+	*.lo)
+	  func_lo2o "$destfile"
+	  staticdest=$func_lo2o_result
+	  ;;
+	*.$objext)
+	  staticdest="$destfile"
+	  destfile=
+	  ;;
+	*)
+	  func_fatal_help "cannot copy a libtool object to \`$destfile'"
+	  ;;
+	esac
+
+	# Install the libtool object if requested.
+	test -n "$destfile" && \
+	  func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+	# Install the old object if enabled.
+	if test "$build_old_libs" = yes; then
+	  # Deduce the name of the old-style object file.
+	  func_lo2o "$file"
+	  staticobj=$func_lo2o_result
+	  func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+	fi
+	exit $EXIT_SUCCESS
+	;;
+
+      *)
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# If the file is missing, and there is a .exe on the end, strip it
+	# because it is most likely a libtool script we actually want to
+	# install
+	stripped_ext=""
+	case $file in
+	  *.exe)
+	    if test ! -f "$file"; then
+	      func_stripname '' '.exe' "$file"
+	      file=$func_stripname_result
+	      stripped_ext=".exe"
+	    fi
+	    ;;
+	esac
+
+	# Do a test to see if this is really a libtool program.
+	case $host in
+	*cygwin* | *mingw*)
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      wrapper=$func_ltwrapper_scriptname_result
+	    else
+	      func_stripname '' '.exe' "$file"
+	      wrapper=$func_stripname_result
+	    fi
+	    ;;
+	*)
+	    wrapper=$file
+	    ;;
+	esac
+	if func_ltwrapper_script_p "$wrapper"; then
+	  notinst_deplibs=
+	  relink_command=
+
+	  func_source "$wrapper"
+
+	  # Check the variables that should have been set.
+	  test -z "$generated_by_libtool_version" && \
+	    func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+
+	  finalize=yes
+	  for lib in $notinst_deplibs; do
+	    # Check to see that each library is installed.
+	    libdir=
+	    if test -f "$lib"; then
+	      func_source "$lib"
+	    fi
+	    libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test
+	    if test -n "$libdir" && test ! -f "$libfile"; then
+	      func_warning "\`$lib' has not been installed in \`$libdir'"
+	      finalize=no
+	    fi
+	  done
+
+	  relink_command=
+	  func_source "$wrapper"
+
+	  outputname=
+	  if test "$fast_install" = no && test -n "$relink_command"; then
+	    $opt_dry_run || {
+	      if test "$finalize" = yes; then
+	        tmpdir=`func_mktempdir`
+		func_basename "$file$stripped_ext"
+		file="$func_basename_result"
+	        outputname="$tmpdir/$file"
+	        # Replace the output file specification.
+	        relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
+
+	        $opt_silent || {
+	          func_quote_for_expand "$relink_command"
+		  eval "func_echo $func_quote_for_expand_result"
+	        }
+	        if eval "$relink_command"; then :
+	          else
+		  func_error "error: relink \`$file' with the above command before installing it"
+		  $opt_dry_run || ${RM}r "$tmpdir"
+		  continue
+	        fi
+	        file="$outputname"
+	      else
+	        func_warning "cannot relink \`$file'"
+	      fi
+	    }
+	  else
+	    # Install the binary that we compiled earlier.
+	    file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"`
+	  fi
+	fi
+
+	# remove .exe since cygwin /usr/bin/install will append another
+	# one anyway
+	case $install_prog,$host in
+	*/usr/bin/install*,*cygwin*)
+	  case $file:$destfile in
+	  *.exe:*.exe)
+	    # this is ok
+	    ;;
+	  *.exe:*)
+	    destfile=$destfile.exe
+	    ;;
+	  *:*.exe)
+	    func_stripname '' '.exe' "$destfile"
+	    destfile=$func_stripname_result
+	    ;;
+	  esac
+	  ;;
+	esac
+	func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+	$opt_dry_run || if test -n "$outputname"; then
+	  ${RM}r "$tmpdir"
+	fi
+	;;
+      esac
+    done
+
+    for file in $staticlibs; do
+      func_basename "$file"
+      name="$func_basename_result"
+
+      # Set up the ranlib parameters.
+      oldlib="$destdir/$name"
+      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+      tool_oldlib=$func_to_tool_file_result
+
+      func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+      if test -n "$stripme" && test -n "$old_striplib"; then
+	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
+      fi
+
+      # Do each command in the postinstall commands.
+      func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+    done
+
+    test -n "$future_libdirs" && \
+      func_warning "remember to run \`$progname --finish$future_libdirs'"
+
+    if test -n "$current_libdirs"; then
+      # Maybe just do a dry run.
+      $opt_dry_run && current_libdirs=" -n$current_libdirs"
+      exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+    else
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$opt_mode" = install && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+    $opt_debug
+    my_outputname="$1"
+    my_originator="$2"
+    my_pic_p="${3-no}"
+    my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+    my_dlsyms=
+
+    if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+      if test -n "$NM" && test -n "$global_symbol_pipe"; then
+	my_dlsyms="${my_outputname}S.c"
+      else
+	func_error "not configured to extract global symbols from dlpreopened files"
+      fi
+    fi
+
+    if test -n "$my_dlsyms"; then
+      case $my_dlsyms in
+      "") ;;
+      *.c)
+	# Discover the nlist of each of the dlfiles.
+	nlist="$output_objdir/${my_outputname}.nm"
+
+	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+	# Parse the name list into a source file.
+	func_verbose "creating $output_objdir/$my_dlsyms"
+
+	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
+#endif
+
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data.  */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+/* External symbol declarations for the compiler. */\
+"
+
+	if test "$dlself" = yes; then
+	  func_verbose "generating symbol list for \`$output'"
+
+	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+	  # Add our own program objects to the symbol list.
+	  progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	  for progfile in $progfiles; do
+	    func_to_tool_file "$progfile" func_convert_file_msys_to_w32
+	    func_verbose "extracting global C symbols from \`$func_to_tool_file_result'"
+	    $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
+	  done
+
+	  if test -n "$exclude_expsyms"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  if test -n "$export_symbols_regex"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  # Prepare the list of exported symbols
+	  if test -z "$export_symbols"; then
+	    export_symbols="$output_objdir/$outputname.exp"
+	    $opt_dry_run || {
+	      $RM $export_symbols
+	      eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+	      case $host in
+	      *cygwin* | *mingw* | *cegcc* )
+                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+	        ;;
+	      esac
+	    }
+	  else
+	    $opt_dry_run || {
+	      eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	      case $host in
+	        *cygwin* | *mingw* | *cegcc* )
+	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+	          ;;
+	      esac
+	    }
+	  fi
+	fi
+
+	for dlprefile in $dlprefiles; do
+	  func_verbose "extracting global C symbols from \`$dlprefile'"
+	  func_basename "$dlprefile"
+	  name="$func_basename_result"
+          case $host in
+	    *cygwin* | *mingw* | *cegcc* )
+	      # if an import library, we need to obtain dlname
+	      if func_win32_import_lib_p "$dlprefile"; then
+	        func_tr_sh "$dlprefile"
+	        eval "curr_lafile=\$libfile_$func_tr_sh_result"
+	        dlprefile_dlbasename=""
+	        if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
+	          # Use subshell, to avoid clobbering current variable values
+	          dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
+	          if test -n "$dlprefile_dlname" ; then
+	            func_basename "$dlprefile_dlname"
+	            dlprefile_dlbasename="$func_basename_result"
+	          else
+	            # no lafile. user explicitly requested -dlpreopen <import library>.
+	            $sharedlib_from_linklib_cmd "$dlprefile"
+	            dlprefile_dlbasename=$sharedlib_from_linklib_result
+	          fi
+	        fi
+	        $opt_dry_run || {
+	          if test -n "$dlprefile_dlbasename" ; then
+	            eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
+	          else
+	            func_warning "Could not compute DLL name from $name"
+	            eval '$ECHO ": $name " >> "$nlist"'
+	          fi
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
+	            $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
+	        }
+	      else # not an import lib
+	        $opt_dry_run || {
+	          eval '$ECHO ": $name " >> "$nlist"'
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	        }
+	      fi
+	    ;;
+	    *)
+	      $opt_dry_run || {
+	        eval '$ECHO ": $name " >> "$nlist"'
+	        func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	        eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	      }
+	    ;;
+          esac
+	done
+
+	$opt_dry_run || {
+	  # Make sure we have at least an empty file.
+	  test -f "$nlist" || : > "$nlist"
+
+	  if test -n "$exclude_expsyms"; then
+	    $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+	    $MV "$nlist"T "$nlist"
+	  fi
+
+	  # Try sorting and uniquifying the output.
+	  if $GREP -v "^: " < "$nlist" |
+	      if sort -k 3 </dev/null >/dev/null 2>&1; then
+		sort -k 3
+	      else
+		sort +2
+	      fi |
+	      uniq > "$nlist"S; then
+	    :
+	  else
+	    $GREP -v "^: " < "$nlist" > "$nlist"S
+	  fi
+
+	  if test -f "$nlist"S; then
+	    eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+	  else
+	    echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
+	  fi
+
+	  echo >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols.  */
+typedef struct {
+  const char *name;
+  void *address;
+} lt_dlsymlist;
+extern LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];
+LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{\
+  { \"$my_originator\", (void *) 0 },"
+
+	  case $need_lib_prefix in
+	  no)
+	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  *)
+	    eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  esac
+	  echo >> "$output_objdir/$my_dlsyms" "\
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+	} # !$opt_dry_run
+
+	pic_flag_for_symtable=
+	case "$compile_command " in
+	*" -static "*) ;;
+	*)
+	  case $host in
+	  # compiling the symbol table file with pic_flag works around
+	  # a FreeBSD bug that causes programs to crash when -lm is
+	  # linked before any other PIC object.  But we must not use
+	  # pic_flag when linking with -static.  The problem exists in
+	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+	  *-*-hpux*)
+	    pic_flag_for_symtable=" $pic_flag"  ;;
+	  *)
+	    if test "X$my_pic_p" != Xno; then
+	      pic_flag_for_symtable=" $pic_flag"
+	    fi
+	    ;;
+	  esac
+	  ;;
+	esac
+	symtab_cflags=
+	for arg in $LTCFLAGS; do
+	  case $arg in
+	  -pie | -fpie | -fPIE) ;;
+	  *) func_append symtab_cflags " $arg" ;;
+	  esac
+	done
+
+	# Now compile the dynamic symbol file.
+	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+	# Clean up the generated files.
+	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+
+	# Transform the symbol file into the correct name.
+	symfileobj="$output_objdir/${my_outputname}S.$objext"
+	case $host in
+	*cygwin* | *mingw* | *cegcc* )
+	  if test -f "$output_objdir/$my_outputname.def"; then
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	  else
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  fi
+	  ;;
+	*)
+	  compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  ;;
+	esac
+	;;
+      *)
+	func_fatal_error "unknown suffix for \`$my_dlsyms'"
+	;;
+      esac
+    else
+      # We keep going just in case the user didn't refer to
+      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
+      # really was required.
+
+      # Nullify the symbol file.
+      compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
+      finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
+    fi
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+# Despite the name, also deal with 64 bit binaries.
+func_win32_libid ()
+{
+  $opt_debug
+  win32_libid_type="unknown"
+  win32_fileres=`file -L $1 2>/dev/null`
+  case $win32_fileres in
+  *ar\ archive\ import\ library*) # definitely import
+    win32_libid_type="x86 archive import"
+    ;;
+  *ar\ archive*) # could be an import, or static
+    # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
+    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+       $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
+      func_to_tool_file "$1" func_convert_file_msys_to_w32
+      win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+	$SED -n -e '
+	    1,100{
+		/ I /{
+		    s,.*,import,
+		    p
+		    q
+		}
+	    }'`
+      case $win32_nmres in
+      import*)  win32_libid_type="x86 archive import";;
+      *)        win32_libid_type="x86 archive static";;
+      esac
+    fi
+    ;;
+  *DLL*)
+    win32_libid_type="x86 DLL"
+    ;;
+  *executable*) # but shell scripts are "executable" too...
+    case $win32_fileres in
+    *MS\ Windows\ PE\ Intel*)
+      win32_libid_type="x86 DLL"
+      ;;
+    esac
+    ;;
+  esac
+  $ECHO "$win32_libid_type"
+}
+
+# func_cygming_dll_for_implib ARG
+#
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib ()
+{
+  $opt_debug
+  sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
+}
+
+# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
+#
+# The is the core of a fallback implementation of a
+# platform-specific function to extract the name of the
+# DLL associated with the specified import library LIBNAME.
+#
+# SECTION_NAME is either .idata$6 or .idata$7, depending
+# on the platform and compiler that created the implib.
+#
+# Echos the name of the DLL associated with the
+# specified import library.
+func_cygming_dll_for_implib_fallback_core ()
+{
+  $opt_debug
+  match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
+  $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
+    $SED '/^Contents of section '"$match_literal"':/{
+      # Place marker at beginning of archive member dllname section
+      s/.*/====MARK====/
+      p
+      d
+    }
+    # These lines can sometimes be longer than 43 characters, but
+    # are always uninteresting
+    /:[	 ]*file format pe[i]\{,1\}-/d
+    /^In archive [^:]*:/d
+    # Ensure marker is printed
+    /^====MARK====/p
+    # Remove all lines with less than 43 characters
+    /^.\{43\}/!d
+    # From remaining lines, remove first 43 characters
+    s/^.\{43\}//' |
+    $SED -n '
+      # Join marker and all lines until next marker into a single line
+      /^====MARK====/ b para
+      H
+      $ b para
+      b
+      :para
+      x
+      s/\n//g
+      # Remove the marker
+      s/^====MARK====//
+      # Remove trailing dots and whitespace
+      s/[\. \t]*$//
+      # Print
+      /./p' |
+    # we now have a list, one entry per line, of the stringified
+    # contents of the appropriate section of all members of the
+    # archive which possess that section. Heuristic: eliminate
+    # all those which have a first or second character that is
+    # a '.' (that is, objdump's representation of an unprintable
+    # character.) This should work for all archives with less than
+    # 0x302f exports -- but will fail for DLLs whose name actually
+    # begins with a literal '.' or a single character followed by
+    # a '.'.
+    #
+    # Of those that remain, print the first one.
+    $SED -e '/^\./d;/^.\./d;q'
+}
+
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+  $opt_debug
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+  test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+  $opt_debug
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+  test -n "$func_cygming_ms_implib_tmp"
+}
+
+# func_cygming_dll_for_implib_fallback ARG
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+#
+# This fallback implementation is for use when $DLLTOOL
+# does not support the --identify-strict option.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib_fallback ()
+{
+  $opt_debug
+  if func_cygming_gnu_implib_p "$1" ; then
+    # binutils import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
+  elif func_cygming_ms_implib_p "$1" ; then
+    # ms-generated import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
+  else
+    # unknown
+    sharedlib_from_linklib_result=""
+  fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+    $opt_debug
+    f_ex_an_ar_dir="$1"; shift
+    f_ex_an_ar_oldlib="$1"
+    if test "$lock_old_archive_extraction" = yes; then
+      lockfile=$f_ex_an_ar_oldlib.lock
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    fi
+    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
+		   'stat=$?; rm -f "$lockfile"; exit $stat'
+    if test "$lock_old_archive_extraction" = yes; then
+      $opt_dry_run || rm -f "$lockfile"
+    fi
+    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+     :
+    else
+      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+    fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+    $opt_debug
+    my_gentop="$1"; shift
+    my_oldlibs=${1+"$@"}
+    my_oldobjs=""
+    my_xlib=""
+    my_xabs=""
+    my_xdir=""
+
+    for my_xlib in $my_oldlibs; do
+      # Extract the objects.
+      case $my_xlib in
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+	*) my_xabs=`pwd`"/$my_xlib" ;;
+      esac
+      func_basename "$my_xlib"
+      my_xlib="$func_basename_result"
+      my_xlib_u=$my_xlib
+      while :; do
+        case " $extracted_archives " in
+	*" $my_xlib_u "*)
+	  func_arith $extracted_serial + 1
+	  extracted_serial=$func_arith_result
+	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
+	*) break ;;
+	esac
+      done
+      extracted_archives="$extracted_archives $my_xlib_u"
+      my_xdir="$my_gentop/$my_xlib_u"
+
+      func_mkdir_p "$my_xdir"
+
+      case $host in
+      *-darwin*)
+	func_verbose "Extracting $my_xabs"
+	# Do not bother doing anything if just a dry run
+	$opt_dry_run || {
+	  darwin_orig_dir=`pwd`
+	  cd $my_xdir || exit $?
+	  darwin_archive=$my_xabs
+	  darwin_curdir=`pwd`
+	  darwin_base_archive=`basename "$darwin_archive"`
+	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+	  if test -n "$darwin_arches"; then
+	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+	    darwin_arch=
+	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+	    for darwin_arch in  $darwin_arches ; do
+	      func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+	      cd "$darwin_curdir"
+	      $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+	    done # $darwin_arches
+            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+	    darwin_file=
+	    darwin_files=
+	    for darwin_file in $darwin_filelist; do
+	      darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
+	      $LIPO -create -output "$darwin_file" $darwin_files
+	    done # $darwin_filelist
+	    $RM -rf unfat-$$
+	    cd "$darwin_orig_dir"
+	  else
+	    cd $darwin_orig_dir
+	    func_extract_an_archive "$my_xdir" "$my_xabs"
+	  fi # $darwin_arches
+	} # !$opt_dry_run
+	;;
+      *)
+        func_extract_an_archive "$my_xdir" "$my_xabs"
+	;;
+      esac
+      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
+    done
+
+    func_extract_archives_result="$my_oldobjs"
+}
+
+
+# func_emit_wrapper [arg=no]
+#
+# Emit a libtool wrapper script on stdout.
+# Don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable.  Must ONLY be called from within
+# func_mode_link because it depends on a number of variables
+# set therein.
+#
+# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take.  If 'yes', then the emitted script
+# will assume that the directory in which it is stored is
+# the $objdir directory.  This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+	func_emit_wrapper_arg1=${1-no}
+
+	$ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+  # install mode needs the following variables:
+  generated_by_libtool_version='$macro_version'
+  notinst_deplibs='$notinst_deplibs'
+else
+  # When we are sourced in execute mode, \$file and \$ECHO are already set.
+  if test \"\$libtool_execute_magic\" != \"$magic\"; then
+    file=\"\$0\""
+
+    qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"`
+    $ECHO "\
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+    ECHO=\"$qECHO\"
+  fi
+
+# Very basic option parsing. These options are (a) specific to
+# the libtool wrapper, (b) are identical between the wrapper
+# /script/ and the wrapper /executable/ which is used only on
+# windows platforms, and (c) all begin with the string "--lt-"
+# (application programs are unlikely to have options which match
+# this pattern).
+#
+# There are only two supported options: --lt-debug and
+# --lt-dump-script. There is, deliberately, no --lt-help.
+#
+# The first argument to this parsing function should be the
+# script's $0 value, followed by "$@".
+lt_option_debug=
+func_parse_lt_options ()
+{
+  lt_script_arg0=\$0
+  shift
+  for lt_opt
+  do
+    case \"\$lt_opt\" in
+    --lt-debug) lt_option_debug=1 ;;
+    --lt-dump-script)
+        lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\`
+        test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
+        lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
+        cat \"\$lt_dump_D/\$lt_dump_F\"
+        exit 0
+      ;;
+    --lt-*)
+        \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
+        exit 1
+      ;;
+    esac
+  done
+
+  # Print the debug banner immediately:
+  if test -n \"\$lt_option_debug\"; then
+    echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2
+  fi
+}
+
+# Used when --lt-debug. Prints its arguments to stdout
+# (redirection is the responsibility of the caller)
+func_lt_dump_args ()
+{
+  lt_dump_args_N=1;
+  for lt_arg
+  do
+    \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\"
+    lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
+  done
+}
+
+# Core function for launching the target application
+func_exec_program_core ()
+{
+"
+  case $host in
+  # Backslashes separate directories on plain windows
+  *-*-mingw | *-*-os2* | *-cegcc*)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+    ;;
+
+  *)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+    ;;
+  esac
+  $ECHO "\
+      \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+      exit 1
+}
+
+# A function to encapsulate launching the target application
+# Strips options in the --lt-* namespace from \$@ and
+# launches target application with the remaining arguments.
+func_exec_program ()
+{
+  case \" \$* \" in
+  *\\ --lt-*)
+    for lt_wr_arg
+    do
+      case \$lt_wr_arg in
+      --lt-*) ;;
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      esac
+      shift
+    done ;;
+  esac
+  func_exec_program_core \${1+\"\$@\"}
+}
+
+  # Parse options
+  func_parse_lt_options \"\$0\" \${1+\"\$@\"}
+
+  # Find the directory that this script lives in.
+  thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\`
+  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+  # Follow symbolic links until we get to the real thisdir.
+  file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
+  while test -n \"\$file\"; do
+    destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\`
+
+    # If there was a directory component, then change thisdir.
+    if test \"x\$destdir\" != \"x\$file\"; then
+      case \"\$destdir\" in
+      [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+      *) thisdir=\"\$thisdir/\$destdir\" ;;
+      esac
+    fi
+
+    file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
+    file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
+  done
+
+  # Usually 'no', except on cygwin/mingw when embedded into
+  # the cwrapper.
+  WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+  if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+    # special case for '.'
+    if test \"\$thisdir\" = \".\"; then
+      thisdir=\`pwd\`
+    fi
+    # remove .libs from thisdir
+    case \"\$thisdir\" in
+    *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;;
+    $objdir )   thisdir=. ;;
+    esac
+  fi
+
+  # Try to get the absolute directory name.
+  absdir=\`cd \"\$thisdir\" && pwd\`
+  test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+	if test "$fast_install" = yes; then
+	  $ECHO "\
+  program=lt-'$outputname'$exeext
+  progdir=\"\$thisdir/$objdir\"
+
+  if test ! -f \"\$progdir/\$program\" ||
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+    file=\"\$\$-\$program\"
+
+    if test ! -d \"\$progdir\"; then
+      $MKDIR \"\$progdir\"
+    else
+      $RM \"\$progdir/\$file\"
+    fi"
+
+	  $ECHO "\
+
+    # relink executable if necessary
+    if test -n \"\$relink_command\"; then
+      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+      else
+	$ECHO \"\$relink_command_output\" >&2
+	$RM \"\$progdir/\$file\"
+	exit 1
+      fi
+    fi
+
+    $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+    { $RM \"\$progdir/\$program\";
+      $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+    $RM \"\$progdir/\$file\"
+  fi"
+	else
+	  $ECHO "\
+  program='$outputname'
+  progdir=\"\$thisdir/$objdir\"
+"
+	fi
+
+	$ECHO "\
+
+  if test -f \"\$progdir/\$program\"; then"
+
+	# fixup the dll searchpath if we need to.
+	#
+	# Fix the DLL searchpath if we need to.  Do this before prepending
+	# to shlibpath, because on Windows, both are PATH and uninstalled
+	# libraries must come first.
+	if test -n "$dllsearchpath"; then
+	  $ECHO "\
+    # Add the dll search path components to the executable PATH
+    PATH=$dllsearchpath:\$PATH
+"
+	fi
+
+	# Export our shlibpath_var if we have one.
+	if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	  $ECHO "\
+    # Add our own library path to $shlibpath_var
+    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+    # Some systems cannot cope with colon-terminated $shlibpath_var
+    # The second colon is a workaround for a bug in BeOS R4 sed
+    $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
+
+    export $shlibpath_var
+"
+	fi
+
+	$ECHO "\
+    if test \"\$libtool_execute_magic\" != \"$magic\"; then
+      # Run the actual program with our arguments.
+      func_exec_program \${1+\"\$@\"}
+    fi
+  else
+    # The program doesn't exist.
+    \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+    \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+    \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+    exit 1
+  fi
+fi\
+"
+}
+
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+	cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+   Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+
+   The $output program cannot be directly executed until all the libtool
+   libraries that it depends on are installed.
+
+   This wrapper executable should never be moved out of the build directory.
+   If it is, it will not operate correctly.
+*/
+EOF
+	    cat <<"EOF"
+#ifdef _MSC_VER
+# define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+#  include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+/* declarations of non-ANSI functions */
+#if defined(__MINGW32__)
+# ifdef __STRICT_ANSI__
+int _putenv (const char *);
+# endif
+#elif defined(__CYGWIN__)
+# ifdef __STRICT_ANSI__
+char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
+# endif
+/* #elif defined (other platforms) ... */
+#endif
+
+/* portability defines, excluding path handling macros */
+#if defined(_MSC_VER)
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+# define S_IXUSR _S_IEXEC
+# ifndef _INTPTR_T_DEFINED
+#  define _INTPTR_T_DEFINED
+#  define intptr_t int
+# endif
+#elif defined(__MINGW32__)
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+#elif defined(__CYGWIN__)
+# define HAVE_SETENV
+# define FOPEN_WB "wb"
+/* #elif defined (other platforms) ... */
+#endif
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+/* path handling portability macros */
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+  defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+#  define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+#  define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+  if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+#if defined(LT_DEBUGWRAPPER)
+static int lt_debug = 1;
+#else
+static int lt_debug = 0;
+#endif
+
+const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_debugprintf (const char *file, int line, const char *fmt, ...);
+void lt_fatal (const char *file, int line, const char *message, ...);
+static const char *nonnull (const char *s);
+static const char *nonempty (const char *s);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
+char **prepare_spawn (char **argv);
+void lt_dump_script (FILE *f);
+EOF
+
+	    cat <<EOF
+volatile const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+	    if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+              func_to_host_path "$temp_rpath"
+	      cat <<EOF
+const char * LIB_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * LIB_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test -n "$dllsearchpath"; then
+              func_to_host_path "$dllsearchpath:"
+	      cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test "$fast_install" = yes; then
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+	    else
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+	    fi
+
+
+	    cat <<"EOF"
+
+#define LTWRAPPER_OPTION_PREFIX         "--lt-"
+
+static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
+static const char *dumpscript_opt       = LTWRAPPER_OPTION_PREFIX "dump-script";
+static const char *debug_opt            = LTWRAPPER_OPTION_PREFIX "debug";
+
+int
+main (int argc, char *argv[])
+{
+  char **newargz;
+  int  newargc;
+  char *tmp_pathspec;
+  char *actual_cwrapper_path;
+  char *actual_cwrapper_name;
+  char *target_name;
+  char *lt_argv_zero;
+  intptr_t rval = 127;
+
+  int i;
+
+  program_name = (char *) xstrdup (base_name (argv[0]));
+  newargz = XMALLOC (char *, argc + 1);
+
+  /* very simple arg parsing; don't want to rely on getopt
+   * also, copy all non cwrapper options to newargz, except
+   * argz[0], which is handled differently
+   */
+  newargc=0;
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], dumpscript_opt) == 0)
+	{
+EOF
+	    case "$host" in
+	      *mingw* | *cygwin* )
+		# make stdout use "unix" line endings
+		echo "          setmode(1,_O_BINARY);"
+		;;
+	      esac
+
+	    cat <<"EOF"
+	  lt_dump_script (stdout);
+	  return 0;
+	}
+      if (strcmp (argv[i], debug_opt) == 0)
+	{
+          lt_debug = 1;
+          continue;
+	}
+      if (strcmp (argv[i], ltwrapper_option_prefix) == 0)
+        {
+          /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
+             namespace, but it is not one of the ones we know about and
+             have already dealt with, above (inluding dump-script), then
+             report an error. Otherwise, targets might begin to believe
+             they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
+             namespace. The first time any user complains about this, we'll
+             need to make LTWRAPPER_OPTION_PREFIX a configure-time option
+             or a configure.ac-settable value.
+           */
+          lt_fatal (__FILE__, __LINE__,
+		    "unrecognized %s option: '%s'",
+                    ltwrapper_option_prefix, argv[i]);
+        }
+      /* otherwise ... */
+      newargz[++newargc] = xstrdup (argv[i]);
+    }
+  newargz[++newargc] = NULL;
+
+EOF
+	    cat <<EOF
+  /* The GNU banner must be the first non-error debug message */
+  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n");
+EOF
+	    cat <<"EOF"
+  lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
+
+  tmp_pathspec = find_executable (argv[0]);
+  if (tmp_pathspec == NULL)
+    lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (before symlink chase) at: %s\n",
+		  tmp_pathspec);
+
+  actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (after symlink chase) at: %s\n",
+		  actual_cwrapper_path);
+  XFREE (tmp_pathspec);
+
+  actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
+  strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+  /* wrapper name transforms */
+  strendzap (actual_cwrapper_name, ".exe");
+  tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+  XFREE (actual_cwrapper_name);
+  actual_cwrapper_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  /* target_name transforms -- use actual target program name; might have lt- prefix */
+  target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+  strendzap (target_name, ".exe");
+  tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+  XFREE (target_name);
+  target_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(main) libtool target name: %s\n",
+		  target_name);
+EOF
+
+	    cat <<EOF
+  newargz[0] =
+    XMALLOC (char, (strlen (actual_cwrapper_path) +
+		    strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
+  strcpy (newargz[0], actual_cwrapper_path);
+  strcat (newargz[0], "$objdir");
+  strcat (newargz[0], "/");
+EOF
+
+	    cat <<"EOF"
+  /* stop here, and copy so we don't have to do this twice */
+  tmp_pathspec = xstrdup (newargz[0]);
+
+  /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+  strcat (newargz[0], actual_cwrapper_name);
+
+  /* DO want the lt- prefix here if it exists, so use target_name */
+  lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+  XFREE (tmp_pathspec);
+  tmp_pathspec = NULL;
+EOF
+
+	    case $host_os in
+	      mingw*)
+	    cat <<"EOF"
+  {
+    char* p;
+    while ((p = strchr (newargz[0], '\\')) != NULL)
+      {
+	*p = '/';
+      }
+    while ((p = strchr (lt_argv_zero, '\\')) != NULL)
+      {
+	*p = '/';
+      }
+  }
+EOF
+	    ;;
+	    esac
+
+	    cat <<"EOF"
+  XFREE (target_name);
+  XFREE (actual_cwrapper_path);
+  XFREE (actual_cwrapper_name);
+
+  lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+  lt_setenv ("DUALCASE", "1");  /* for MSK sh */
+  /* Update the DLL searchpath.  EXE_PATH_VALUE ($dllsearchpath) must
+     be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
+     because on Windows, both *_VARNAMEs are PATH but uninstalled
+     libraries must come first. */
+  lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+  lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+
+  lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
+		  nonnull (lt_argv_zero));
+  for (i = 0; i < newargc; i++)
+    {
+      lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n",
+		      i, nonnull (newargz[i]));
+    }
+
+EOF
+
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+  /* execv doesn't actually work on mingw as expected on unix */
+  newargz = prepare_spawn (newargz);
+  rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+  if (rval == -1)
+    {
+      /* failed to start process */
+      lt_debugprintf (__FILE__, __LINE__,
+		      "(main) failed to launch target \"%s\": %s\n",
+		      lt_argv_zero, nonnull (strerror (errno)));
+      return 127;
+    }
+  return rval;
+EOF
+		;;
+	      *)
+		cat <<"EOF"
+  execv (lt_argv_zero, newargz);
+  return rval; /* =127, but avoids unused variable warning */
+EOF
+		;;
+	    esac
+
+	    cat <<"EOF"
+}
+
+void *
+xmalloc (size_t num)
+{
+  void *p = (void *) malloc (num);
+  if (!p)
+    lt_fatal (__FILE__, __LINE__, "memory exhausted");
+
+  return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+  return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+			  string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+  const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  /* Skip over the disk name in MSDOS pathnames. */
+  if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+    name += 2;
+#endif
+
+  for (base = name; *name; name++)
+    if (IS_DIR_SEPARATOR (*name))
+      base = name + 1;
+  return base;
+}
+
+int
+check_executable (const char *path)
+{
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if ((stat (path, &st) >= 0)
+      && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+    return 1;
+  else
+    return 0;
+}
+
+int
+make_executable (const char *path)
+{
+  int rval = 0;
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if (stat (path, &st) >= 0)
+    {
+      rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+    }
+  return rval;
+}
+
+/* Searches for the full path of the wrapper.  Returns
+   newly allocated full path name if found, NULL otherwise
+   Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+  int has_slash = 0;
+  const char *p;
+  const char *p_next;
+  /* static buffer for getcwd */
+  char tmp[LT_PATHMAX + 1];
+  int tmp_len;
+  char *concat_name;
+
+  lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
+                  nonempty (wrapper));
+
+  if ((wrapper == NULL) || (*wrapper == '\0'))
+    return NULL;
+
+  /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+    {
+      concat_name = xstrdup (wrapper);
+      if (check_executable (concat_name))
+	return concat_name;
+      XFREE (concat_name);
+    }
+  else
+    {
+#endif
+      if (IS_DIR_SEPARATOR (wrapper[0]))
+	{
+	  concat_name = xstrdup (wrapper);
+	  if (check_executable (concat_name))
+	    return concat_name;
+	  XFREE (concat_name);
+	}
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+    }
+#endif
+
+  for (p = wrapper; *p; p++)
+    if (*p == '/')
+      {
+	has_slash = 1;
+	break;
+      }
+  if (!has_slash)
+    {
+      /* no slashes; search PATH */
+      const char *path = getenv ("PATH");
+      if (path != NULL)
+	{
+	  for (p = path; *p; p = p_next)
+	    {
+	      const char *q;
+	      size_t p_len;
+	      for (q = p; *q; q++)
+		if (IS_PATH_SEPARATOR (*q))
+		  break;
+	      p_len = q - p;
+	      p_next = (*q == '\0' ? q : q + 1);
+	      if (p_len == 0)
+		{
+		  /* empty path: current directory */
+		  if (getcwd (tmp, LT_PATHMAX) == NULL)
+		    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+                              nonnull (strerror (errno)));
+		  tmp_len = strlen (tmp);
+		  concat_name =
+		    XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, tmp, tmp_len);
+		  concat_name[tmp_len] = '/';
+		  strcpy (concat_name + tmp_len + 1, wrapper);
+		}
+	      else
+		{
+		  concat_name =
+		    XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, p, p_len);
+		  concat_name[p_len] = '/';
+		  strcpy (concat_name + p_len + 1, wrapper);
+		}
+	      if (check_executable (concat_name))
+		return concat_name;
+	      XFREE (concat_name);
+	    }
+	}
+      /* not found in PATH; assume curdir */
+    }
+  /* Relative path | not found in path: prepend cwd */
+  if (getcwd (tmp, LT_PATHMAX) == NULL)
+    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+              nonnull (strerror (errno)));
+  tmp_len = strlen (tmp);
+  concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+  memcpy (concat_name, tmp, tmp_len);
+  concat_name[tmp_len] = '/';
+  strcpy (concat_name + tmp_len + 1, wrapper);
+
+  if (check_executable (concat_name))
+    return concat_name;
+  XFREE (concat_name);
+  return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+  return xstrdup (pathspec);
+#else
+  char buf[LT_PATHMAX];
+  struct stat s;
+  char *tmp_pathspec = xstrdup (pathspec);
+  char *p;
+  int has_symlinks = 0;
+  while (strlen (tmp_pathspec) && !has_symlinks)
+    {
+      lt_debugprintf (__FILE__, __LINE__,
+		      "checking path component for symlinks: %s\n",
+		      tmp_pathspec);
+      if (lstat (tmp_pathspec, &s) == 0)
+	{
+	  if (S_ISLNK (s.st_mode) != 0)
+	    {
+	      has_symlinks = 1;
+	      break;
+	    }
+
+	  /* search backwards for last DIR_SEPARATOR */
+	  p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+	  while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    p--;
+	  if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    {
+	      /* no more DIR_SEPARATORS left */
+	      break;
+	    }
+	  *p = '\0';
+	}
+      else
+	{
+	  lt_fatal (__FILE__, __LINE__,
+		    "error accessing file \"%s\": %s",
+		    tmp_pathspec, nonnull (strerror (errno)));
+	}
+    }
+  XFREE (tmp_pathspec);
+
+  if (!has_symlinks)
+    {
+      return xstrdup (pathspec);
+    }
+
+  tmp_pathspec = realpath (pathspec, buf);
+  if (tmp_pathspec == 0)
+    {
+      lt_fatal (__FILE__, __LINE__,
+		"could not follow symlinks for %s", pathspec);
+    }
+  return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+  size_t len, patlen;
+
+  assert (str != NULL);
+  assert (pat != NULL);
+
+  len = strlen (str);
+  patlen = strlen (pat);
+
+  if (patlen <= len)
+    {
+      str += len - patlen;
+      if (strcmp (str, pat) == 0)
+	*str = '\0';
+    }
+  return str;
+}
+
+void
+lt_debugprintf (const char *file, int line, const char *fmt, ...)
+{
+  va_list args;
+  if (lt_debug)
+    {
+      (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
+      va_start (args, fmt);
+      (void) vfprintf (stderr, fmt, args);
+      va_end (args);
+    }
+}
+
+static void
+lt_error_core (int exit_status, const char *file,
+	       int line, const char *mode,
+	       const char *message, va_list ap)
+{
+  fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
+  vfprintf (stderr, message, ap);
+  fprintf (stderr, ".\n");
+
+  if (exit_status >= 0)
+    exit (exit_status);
+}
+
+void
+lt_fatal (const char *file, int line, const char *message, ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
+  va_end (ap);
+}
+
+static const char *
+nonnull (const char *s)
+{
+  return s ? s : "(null)";
+}
+
+static const char *
+nonempty (const char *s)
+{
+  return (s && !*s) ? "(empty)" : nonnull (s);
+}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_setenv) setting '%s' to '%s'\n",
+                  nonnull (name), nonnull (value));
+  {
+#ifdef HAVE_SETENV
+    /* always make a copy, for consistency with !HAVE_SETENV */
+    char *str = xstrdup (value);
+    setenv (name, str, 1);
+#else
+    int len = strlen (name) + 1 + strlen (value) + 1;
+    char *str = XMALLOC (char, len);
+    sprintf (str, "%s=%s", name, value);
+    if (putenv (str) != EXIT_SUCCESS)
+      {
+        XFREE (str);
+      }
+#endif
+  }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+  char *new_value;
+  if (orig_value && *orig_value)
+    {
+      int orig_value_len = strlen (orig_value);
+      int add_len = strlen (add);
+      new_value = XMALLOC (char, add_len + orig_value_len + 1);
+      if (to_end)
+        {
+          strcpy (new_value, orig_value);
+          strcpy (new_value + orig_value_len, add);
+        }
+      else
+        {
+          strcpy (new_value, add);
+          strcpy (new_value + add_len, orig_value);
+        }
+    }
+  else
+    {
+      new_value = xstrdup (add);
+    }
+  return new_value;
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      /* some systems can't cope with a ':'-terminated path #' */
+      int len = strlen (new_value);
+      while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+        {
+          new_value[len-1] = '\0';
+        }
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+EOF
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+
+/* Prepares an argument vector before calling spawn().
+   Note that spawn() does not by itself call the command interpreter
+     (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
+      ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+         GetVersionEx(&v);
+         v.dwPlatformId == VER_PLATFORM_WIN32_NT;
+      }) ? "cmd.exe" : "command.com").
+   Instead it simply concatenates the arguments, separated by ' ', and calls
+   CreateProcess().  We must quote the arguments since Win32 CreateProcess()
+   interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
+   special way:
+   - Space and tab are interpreted as delimiters. They are not treated as
+     delimiters if they are surrounded by double quotes: "...".
+   - Unescaped double quotes are removed from the input. Their only effect is
+     that within double quotes, space and tab are treated like normal
+     characters.
+   - Backslashes not followed by double quotes are not special.
+   - But 2*n+1 backslashes followed by a double quote become
+     n backslashes followed by a double quote (n >= 0):
+       \" -> "
+       \\\" -> \"
+       \\\\\" -> \\"
+ */
+#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+char **
+prepare_spawn (char **argv)
+{
+  size_t argc;
+  char **new_argv;
+  size_t i;
+
+  /* Count number of arguments.  */
+  for (argc = 0; argv[argc] != NULL; argc++)
+    ;
+
+  /* Allocate new argument vector.  */
+  new_argv = XMALLOC (char *, argc + 1);
+
+  /* Put quoted arguments into the new argument vector.  */
+  for (i = 0; i < argc; i++)
+    {
+      const char *string = argv[i];
+
+      if (string[0] == '\0')
+	new_argv[i] = xstrdup ("\"\"");
+      else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
+	{
+	  int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
+	  size_t length;
+	  unsigned int backslashes;
+	  const char *s;
+	  char *quoted_string;
+	  char *p;
+
+	  length = 0;
+	  backslashes = 0;
+	  if (quote_around)
+	    length++;
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		length += backslashes + 1;
+	      length++;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    length += backslashes + 1;
+
+	  quoted_string = XMALLOC (char, length + 1);
+
+	  p = quoted_string;
+	  backslashes = 0;
+	  if (quote_around)
+	    *p++ = '"';
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		{
+		  unsigned int j;
+		  for (j = backslashes + 1; j > 0; j--)
+		    *p++ = '\\';
+		}
+	      *p++ = c;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    {
+	      unsigned int j;
+	      for (j = backslashes; j > 0; j--)
+		*p++ = '\\';
+	      *p++ = '"';
+	    }
+	  *p = '\0';
+
+	  new_argv[i] = quoted_string;
+	}
+      else
+	new_argv[i] = (char *) string;
+    }
+  new_argv[argc] = NULL;
+
+  return new_argv;
+}
+EOF
+		;;
+	    esac
+
+            cat <<"EOF"
+void lt_dump_script (FILE* f)
+{
+EOF
+	    func_emit_wrapper yes |
+	      $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/  fputs ("\1", f);/p
+g
+D'
+            cat <<"EOF"
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_win32_import_lib_p ARG
+# True if ARG is an import lib, as indicated by $file_magic_cmd
+func_win32_import_lib_p ()
+{
+    $opt_debug
+    case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
+    *import*) : ;;
+    *) false ;;
+    esac
+}
+
+# func_mode_link arg...
+func_mode_link ()
+{
+    $opt_debug
+    case $host in
+    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+      # It is impossible to link a dll without this setting, and
+      # we shouldn't force the makefile maintainer to figure out
+      # which system we are compiling for in order to pass an extra
+      # flag for every libtool invocation.
+      # allow_undefined=no
+
+      # FIXME: Unfortunately, there are problems with the above when trying
+      # to make a dll which has undefined symbols, in which case not
+      # even a static library is built.  For now, we need to specify
+      # -no-undefined on the libtool link line when we can be certain
+      # that all symbols are satisfied, otherwise we get a static library.
+      allow_undefined=yes
+      ;;
+    *)
+      allow_undefined=yes
+      ;;
+    esac
+    libtool_args=$nonopt
+    base_compile="$nonopt $@"
+    compile_command=$nonopt
+    finalize_command=$nonopt
+
+    compile_rpath=
+    finalize_rpath=
+    compile_shlibpath=
+    finalize_shlibpath=
+    convenience=
+    old_convenience=
+    deplibs=
+    old_deplibs=
+    compiler_flags=
+    linker_flags=
+    dllsearchpath=
+    lib_search_path=`pwd`
+    inst_prefix_dir=
+    new_inherited_linker_flags=
+
+    avoid_version=no
+    bindir=
+    dlfiles=
+    dlprefiles=
+    dlself=no
+    export_dynamic=no
+    export_symbols=
+    export_symbols_regex=
+    generated=
+    libobjs=
+    ltlibs=
+    module=no
+    no_install=no
+    objs=
+    non_pic_objects=
+    precious_files_regex=
+    prefer_static_libs=no
+    preload=no
+    prev=
+    prevarg=
+    release=
+    rpath=
+    xrpath=
+    perm_rpath=
+    temp_rpath=
+    thread_safe=no
+    vinfo=
+    vinfo_number=no
+    weak_libs=
+    single_module="${wl}-single_module"
+    func_infer_tag $base_compile
+
+    # We need to know -static, to get the right output filenames.
+    for arg
+    do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	break
+	;;
+      -all-static | -static | -static-libtool-libs)
+	case $arg in
+	-all-static)
+	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+	    func_warning "complete static linking is impossible in this configuration"
+	  fi
+	  if test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	-static)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=built
+	  ;;
+	-static-libtool-libs)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	esac
+	build_libtool_libs=no
+	build_old_libs=yes
+	break
+	;;
+      esac
+    done
+
+    # See if our shared archives depend on static archives.
+    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+    # Go through the arguments, transforming them on the way.
+    while test "$#" -gt 0; do
+      arg="$1"
+      shift
+      func_quote_for_eval "$arg"
+      qarg=$func_quote_for_eval_unquoted_result
+      func_append libtool_args " $func_quote_for_eval_result"
+
+      # If the previous option needs an argument, assign it.
+      if test -n "$prev"; then
+	case $prev in
+	output)
+	  func_append compile_command " @OUTPUT@"
+	  func_append finalize_command " @OUTPUT@"
+	  ;;
+	esac
+
+	case $prev in
+	bindir)
+	  bindir="$arg"
+	  prev=
+	  continue
+	  ;;
+	dlfiles|dlprefiles)
+	  if test "$preload" = no; then
+	    # Add the symbol object into the linking commands.
+	    func_append compile_command " @SYMFILE@"
+	    func_append finalize_command " @SYMFILE@"
+	    preload=yes
+	  fi
+	  case $arg in
+	  *.la | *.lo) ;;  # We handle these cases below.
+	  force)
+	    if test "$dlself" = no; then
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  self)
+	    if test "$prev" = dlprefiles; then
+	      dlself=yes
+	    elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+	      dlself=yes
+	    else
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  *)
+	    if test "$prev" = dlfiles; then
+	      func_append dlfiles " $arg"
+	    else
+	      func_append dlprefiles " $arg"
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  esac
+	  ;;
+	expsyms)
+	  export_symbols="$arg"
+	  test -f "$arg" \
+	    || func_fatal_error "symbol file \`$arg' does not exist"
+	  prev=
+	  continue
+	  ;;
+	expsyms_regex)
+	  export_symbols_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	framework)
+	  case $host in
+	    *-*-darwin*)
+	      case "$deplibs " in
+		*" $qarg.ltframework "*) ;;
+		*) func_append deplibs " $qarg.ltframework" # this is fixed later
+		   ;;
+	      esac
+	      ;;
+	  esac
+	  prev=
+	  continue
+	  ;;
+	inst_prefix)
+	  inst_prefix_dir="$arg"
+	  prev=
+	  continue
+	  ;;
+	objectlist)
+	  if test -f "$arg"; then
+	    save_arg=$arg
+	    moreargs=
+	    for fil in `cat "$save_arg"`
+	    do
+#	      func_append moreargs " $fil"
+	      arg=$fil
+	      # A libtool-controlled object.
+
+	      # Check to see that this really is a libtool object.
+	      if func_lalib_unsafe_p "$arg"; then
+		pic_object=
+		non_pic_object=
+
+		# Read the .lo file
+		func_source "$arg"
+
+		if test -z "$pic_object" ||
+		   test -z "$non_pic_object" ||
+		   test "$pic_object" = none &&
+		   test "$non_pic_object" = none; then
+		  func_fatal_error "cannot find name of object for \`$arg'"
+		fi
+
+		# Extract subdirectory from the argument.
+		func_dirname "$arg" "/" ""
+		xdir="$func_dirname_result"
+
+		if test "$pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  pic_object="$xdir$pic_object"
+
+		  if test "$prev" = dlfiles; then
+		    if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		      func_append dlfiles " $pic_object"
+		      prev=
+		      continue
+		    else
+		      # If libtool objects are unsupported, then we need to preload.
+		      prev=dlprefiles
+		    fi
+		  fi
+
+		  # CHECK ME:  I think I busted this.  -Ossama
+		  if test "$prev" = dlprefiles; then
+		    # Preload the old-style object.
+		    func_append dlprefiles " $pic_object"
+		    prev=
+		  fi
+
+		  # A PIC object.
+		  func_append libobjs " $pic_object"
+		  arg="$pic_object"
+		fi
+
+		# Non-PIC object.
+		if test "$non_pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  non_pic_object="$xdir$non_pic_object"
+
+		  # A standard non-PIC object
+		  func_append non_pic_objects " $non_pic_object"
+		  if test -z "$pic_object" || test "$pic_object" = none ; then
+		    arg="$non_pic_object"
+		  fi
+		else
+		  # If the PIC object exists, use it instead.
+		  # $xdir was prepended to $pic_object above.
+		  non_pic_object="$pic_object"
+		  func_append non_pic_objects " $non_pic_object"
+		fi
+	      else
+		# Only an error if not doing a dry-run.
+		if $opt_dry_run; then
+		  # Extract subdirectory from the argument.
+		  func_dirname "$arg" "/" ""
+		  xdir="$func_dirname_result"
+
+		  func_lo2o "$arg"
+		  pic_object=$xdir$objdir/$func_lo2o_result
+		  non_pic_object=$xdir$func_lo2o_result
+		  func_append libobjs " $pic_object"
+		  func_append non_pic_objects " $non_pic_object"
+	        else
+		  func_fatal_error "\`$arg' is not a valid libtool object"
+		fi
+	      fi
+	    done
+	  else
+	    func_fatal_error "link input file \`$arg' does not exist"
+	  fi
+	  arg=$save_arg
+	  prev=
+	  continue
+	  ;;
+	precious_regex)
+	  precious_files_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	release)
+	  release="-$arg"
+	  prev=
+	  continue
+	  ;;
+	rpath | xrpath)
+	  # We need an absolute path.
+	  case $arg in
+	  [\\/]* | [A-Za-z]:[\\/]*) ;;
+	  *)
+	    func_fatal_error "only absolute run-paths are allowed"
+	    ;;
+	  esac
+	  if test "$prev" = rpath; then
+	    case "$rpath " in
+	    *" $arg "*) ;;
+	    *) func_append rpath " $arg" ;;
+	    esac
+	  else
+	    case "$xrpath " in
+	    *" $arg "*) ;;
+	    *) func_append xrpath " $arg" ;;
+	    esac
+	  fi
+	  prev=
+	  continue
+	  ;;
+	shrext)
+	  shrext_cmds="$arg"
+	  prev=
+	  continue
+	  ;;
+	weak)
+	  func_append weak_libs " $arg"
+	  prev=
+	  continue
+	  ;;
+	xcclinker)
+	  func_append linker_flags " $qarg"
+	  func_append compiler_flags " $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xcompiler)
+	  func_append compiler_flags " $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xlinker)
+	  func_append linker_flags " $qarg"
+	  func_append compiler_flags " $wl$qarg"
+	  prev=
+	  func_append compile_command " $wl$qarg"
+	  func_append finalize_command " $wl$qarg"
+	  continue
+	  ;;
+	*)
+	  eval "$prev=\"\$arg\""
+	  prev=
+	  continue
+	  ;;
+	esac
+      fi # test -n "$prev"
+
+      prevarg="$arg"
+
+      case $arg in
+      -all-static)
+	if test -n "$link_static_flag"; then
+	  # See comment for -static flag below, for more details.
+	  func_append compile_command " $link_static_flag"
+	  func_append finalize_command " $link_static_flag"
+	fi
+	continue
+	;;
+
+      -allow-undefined)
+	# FIXME: remove this flag sometime in the future.
+	func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+	;;
+
+      -avoid-version)
+	avoid_version=yes
+	continue
+	;;
+
+      -bindir)
+	prev=bindir
+	continue
+	;;
+
+      -dlopen)
+	prev=dlfiles
+	continue
+	;;
+
+      -dlpreopen)
+	prev=dlprefiles
+	continue
+	;;
+
+      -export-dynamic)
+	export_dynamic=yes
+	continue
+	;;
+
+      -export-symbols | -export-symbols-regex)
+	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	  func_fatal_error "more than one -exported-symbols argument is not allowed"
+	fi
+	if test "X$arg" = "X-export-symbols"; then
+	  prev=expsyms
+	else
+	  prev=expsyms_regex
+	fi
+	continue
+	;;
+
+      -framework)
+	prev=framework
+	continue
+	;;
+
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
+      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+      # so, if we see these flags be careful not to treat them like -L
+      -L[A-Z][A-Z]*:*)
+	case $with_gcc/$host in
+	no/*-*-irix* | /*-*-irix*)
+	  func_append compile_command " $arg"
+	  func_append finalize_command " $arg"
+	  ;;
+	esac
+	continue
+	;;
+
+      -L*)
+	func_stripname "-L" '' "$arg"
+	if test -z "$func_stripname_result"; then
+	  if test "$#" -gt 0; then
+	    func_fatal_error "require no space between \`-L' and \`$1'"
+	  else
+	    func_fatal_error "need path for \`-L' option"
+	  fi
+	fi
+	func_resolve_sysroot "$func_stripname_result"
+	dir=$func_resolve_sysroot_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  absdir=`cd "$dir" && pwd`
+	  test -z "$absdir" && \
+	    func_fatal_error "cannot determine absolute directory name of \`$dir'"
+	  dir="$absdir"
+	  ;;
+	esac
+	case "$deplibs " in
+	*" -L$dir "* | *" $arg "*)
+	  # Will only happen for absolute or sysroot arguments
+	  ;;
+	*)
+	  # Preserve sysroot, but never include relative directories
+	  case $dir in
+	    [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;;
+	    *) func_append deplibs " -L$dir" ;;
+	  esac
+	  func_append lib_search_path " $dir"
+	  ;;
+	esac
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$dir:"*) ;;
+	  ::) dllsearchpath=$dir;;
+	  *) func_append dllsearchpath ":$dir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) func_append dllsearchpath ":$testbindir";;
+	  esac
+	  ;;
+	esac
+	continue
+	;;
+
+      -l*)
+	if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # These systems don't actually have a C or math library (as such)
+	    continue
+	    ;;
+	  *-*-os2*)
+	    # These systems don't actually have a C library (as such)
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C and math libraries are in the System framework
+	    func_append deplibs " System.ltframework"
+	    continue
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  esac
+	elif test "X$arg" = "X-lc_r"; then
+	 case $host in
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	   # Do not include libc_r directly, use -pthread flag.
+	   continue
+	   ;;
+	 esac
+	fi
+	func_append deplibs " $arg"
+	continue
+	;;
+
+      -module)
+	module=yes
+	continue
+	;;
+
+      # Tru64 UNIX uses -model [arg] to determine the layout of C++
+      # classes, name mangling, and exception handling.
+      # Darwin uses the -arch flag to determine output architecture.
+      -model|-arch|-isysroot|--sysroot)
+	func_append compiler_flags " $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	prev=xcompiler
+	continue
+	;;
+
+      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	func_append compiler_flags " $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	case "$new_inherited_linker_flags " in
+	    *" $arg "*) ;;
+	    * ) func_append new_inherited_linker_flags " $arg" ;;
+	esac
+	continue
+	;;
+
+      -multi_module)
+	single_module="${wl}-multi_module"
+	continue
+	;;
+
+      -no-fast-install)
+	fast_install=no
+	continue
+	;;
+
+      -no-install)
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
+	  # The PATH hackery in wrapper scripts is required on Windows
+	  # and Darwin in order for the loader to find any dlls it needs.
+	  func_warning "\`-no-install' is ignored for $host"
+	  func_warning "assuming \`-no-fast-install' instead"
+	  fast_install=no
+	  ;;
+	*) no_install=yes ;;
+	esac
+	continue
+	;;
+
+      -no-undefined)
+	allow_undefined=no
+	continue
+	;;
+
+      -objectlist)
+	prev=objectlist
+	continue
+	;;
+
+      -o) prev=output ;;
+
+      -precious-files-regex)
+	prev=precious_regex
+	continue
+	;;
+
+      -release)
+	prev=release
+	continue
+	;;
+
+      -rpath)
+	prev=rpath
+	continue
+	;;
+
+      -R)
+	prev=xrpath
+	continue
+	;;
+
+      -R*)
+	func_stripname '-R' '' "$arg"
+	dir=$func_stripname_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	=*)
+	  func_stripname '=' '' "$dir"
+	  dir=$lt_sysroot$func_stripname_result
+	  ;;
+	*)
+	  func_fatal_error "only absolute run-paths are allowed"
+	  ;;
+	esac
+	case "$xrpath " in
+	*" $dir "*) ;;
+	*) func_append xrpath " $dir" ;;
+	esac
+	continue
+	;;
+
+      -shared)
+	# The effects of -shared are defined in a previous loop.
+	continue
+	;;
+
+      -shrext)
+	prev=shrext
+	continue
+	;;
+
+      -static | -static-libtool-libs)
+	# The effects of -static are defined in a previous loop.
+	# We used to do the same as -all-static on platforms that
+	# didn't have a PIC flag, but the assumption that the effects
+	# would be equivalent was wrong.  It would break on at least
+	# Digital Unix and AIX.
+	continue
+	;;
+
+      -thread-safe)
+	thread_safe=yes
+	continue
+	;;
+
+      -version-info)
+	prev=vinfo
+	continue
+	;;
+
+      -version-number)
+	prev=vinfo
+	vinfo_number=yes
+	continue
+	;;
+
+      -weak)
+        prev=weak
+	continue
+	;;
+
+      -Wc,*)
+	func_stripname '-Wc,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  func_append arg " $func_quote_for_eval_result"
+	  func_append compiler_flags " $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Wl,*)
+	func_stripname '-Wl,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  func_append arg " $wl$func_quote_for_eval_result"
+	  func_append compiler_flags " $wl$func_quote_for_eval_result"
+	  func_append linker_flags " $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Xcompiler)
+	prev=xcompiler
+	continue
+	;;
+
+      -Xlinker)
+	prev=xlinker
+	continue
+	;;
+
+      -XCClinker)
+	prev=xcclinker
+	continue
+	;;
+
+      # -msg_* for osf cc
+      -msg_*)
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      # Flags to be passed through unchanged, with rationale:
+      # -64, -mips[0-9]      enable 64-bit mode for the SGI compiler
+      # -r[0-9][0-9]*        specify processor for the SGI compiler
+      # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
+      # +DA*, +DD*           enable 64-bit mode for the HP compiler
+      # -q*                  compiler args for the IBM compiler
+      # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
+      # -F/path              path to uninstalled frameworks, gcc on darwin
+      # -p, -pg, --coverage, -fprofile-*  profiling flags for GCC
+      # @file                GCC response files
+      # -tp=*                Portland pgcc target processor selection
+      # --sysroot=*          for sysroot support
+      # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+      -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+        func_append compile_command " $arg"
+        func_append finalize_command " $arg"
+        func_append compiler_flags " $arg"
+        continue
+        ;;
+
+      # Some other compiler flag.
+      -* | +*)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      *.$objext)
+	# A standard object.
+	func_append objs " $arg"
+	;;
+
+      *.lo)
+	# A libtool-controlled object.
+
+	# Check to see that this really is a libtool object.
+	if func_lalib_unsafe_p "$arg"; then
+	  pic_object=
+	  non_pic_object=
+
+	  # Read the .lo file
+	  func_source "$arg"
+
+	  if test -z "$pic_object" ||
+	     test -z "$non_pic_object" ||
+	     test "$pic_object" = none &&
+	     test "$non_pic_object" = none; then
+	    func_fatal_error "cannot find name of object for \`$arg'"
+	  fi
+
+	  # Extract subdirectory from the argument.
+	  func_dirname "$arg" "/" ""
+	  xdir="$func_dirname_result"
+
+	  if test "$pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    pic_object="$xdir$pic_object"
+
+	    if test "$prev" = dlfiles; then
+	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		func_append dlfiles " $pic_object"
+		prev=
+		continue
+	      else
+		# If libtool objects are unsupported, then we need to preload.
+		prev=dlprefiles
+	      fi
+	    fi
+
+	    # CHECK ME:  I think I busted this.  -Ossama
+	    if test "$prev" = dlprefiles; then
+	      # Preload the old-style object.
+	      func_append dlprefiles " $pic_object"
+	      prev=
+	    fi
+
+	    # A PIC object.
+	    func_append libobjs " $pic_object"
+	    arg="$pic_object"
+	  fi
+
+	  # Non-PIC object.
+	  if test "$non_pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    non_pic_object="$xdir$non_pic_object"
+
+	    # A standard non-PIC object
+	    func_append non_pic_objects " $non_pic_object"
+	    if test -z "$pic_object" || test "$pic_object" = none ; then
+	      arg="$non_pic_object"
+	    fi
+	  else
+	    # If the PIC object exists, use it instead.
+	    # $xdir was prepended to $pic_object above.
+	    non_pic_object="$pic_object"
+	    func_append non_pic_objects " $non_pic_object"
+	  fi
+	else
+	  # Only an error if not doing a dry-run.
+	  if $opt_dry_run; then
+	    # Extract subdirectory from the argument.
+	    func_dirname "$arg" "/" ""
+	    xdir="$func_dirname_result"
+
+	    func_lo2o "$arg"
+	    pic_object=$xdir$objdir/$func_lo2o_result
+	    non_pic_object=$xdir$func_lo2o_result
+	    func_append libobjs " $pic_object"
+	    func_append non_pic_objects " $non_pic_object"
+	  else
+	    func_fatal_error "\`$arg' is not a valid libtool object"
+	  fi
+	fi
+	;;
+
+      *.$libext)
+	# An archive.
+	func_append deplibs " $arg"
+	func_append old_deplibs " $arg"
+	continue
+	;;
+
+      *.la)
+	# A libtool-controlled library.
+
+	func_resolve_sysroot "$arg"
+	if test "$prev" = dlfiles; then
+	  # This library was specified with -dlopen.
+	  func_append dlfiles " $func_resolve_sysroot_result"
+	  prev=
+	elif test "$prev" = dlprefiles; then
+	  # The library was specified with -dlpreopen.
+	  func_append dlprefiles " $func_resolve_sysroot_result"
+	  prev=
+	else
+	  func_append deplibs " $func_resolve_sysroot_result"
+	fi
+	continue
+	;;
+
+      # Some other compiler argument.
+      *)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+      esac # arg
+
+      # Now actually substitute the argument into the commands.
+      if test -n "$arg"; then
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+      fi
+    done # argument parsing loop
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prevarg' option requires an argument"
+
+    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+      eval arg=\"$export_dynamic_flag_spec\"
+      func_append compile_command " $arg"
+      func_append finalize_command " $arg"
+    fi
+
+    oldlibs=
+    # calculate the name of the file, without its directory
+    func_basename "$output"
+    outputname="$func_basename_result"
+    libobjs_save="$libobjs"
+
+    if test -n "$shlibpath_var"; then
+      # get the directories listed in $shlibpath_var
+      eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\`
+    else
+      shlib_search_path=
+    fi
+    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+    func_dirname "$output" "/" ""
+    output_objdir="$func_dirname_result$objdir"
+    func_to_tool_file "$output_objdir/"
+    tool_output_objdir=$func_to_tool_file_result
+    # Create the object directory.
+    func_mkdir_p "$output_objdir"
+
+    # Determine the type of output
+    case $output in
+    "")
+      func_fatal_help "you must specify an output file"
+      ;;
+    *.$libext) linkmode=oldlib ;;
+    *.lo | *.$objext) linkmode=obj ;;
+    *.la) linkmode=lib ;;
+    *) linkmode=prog ;; # Anything else should be a program.
+    esac
+
+    specialdeplibs=
+
+    libs=
+    # Find all interdependent deplibs by searching for libraries
+    # that are linked more than once (e.g. -la -lb -la)
+    for deplib in $deplibs; do
+      if $opt_preserve_dup_deps ; then
+	case "$libs " in
+	*" $deplib "*) func_append specialdeplibs " $deplib" ;;
+	esac
+      fi
+      func_append libs " $deplib"
+    done
+
+    if test "$linkmode" = lib; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if $opt_duplicate_compiler_generated_deps; then
+	for pre_post_dep in $predeps $postdeps; do
+	  case "$pre_post_deps " in
+	  *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;;
+	  esac
+	  func_append pre_post_deps " $pre_post_dep"
+	done
+      fi
+      pre_post_deps=
+    fi
+
+    deplibs=
+    newdependency_libs=
+    newlib_search_path=
+    need_relink=no # whether we're linking any uninstalled libtool libraries
+    notinst_deplibs= # not-installed libtool libraries
+    notinst_path= # paths that contain not-installed libtool libraries
+
+    case $linkmode in
+    lib)
+	passes="conv dlpreopen link"
+	for file in $dlfiles $dlprefiles; do
+	  case $file in
+	  *.la) ;;
+	  *)
+	    func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+	    ;;
+	  esac
+	done
+	;;
+    prog)
+	compile_deplibs=
+	finalize_deplibs=
+	alldeplibs=no
+	newdlfiles=
+	newdlprefiles=
+	passes="conv scan dlopen dlpreopen link"
+	;;
+    *)  passes="conv"
+	;;
+    esac
+
+    for pass in $passes; do
+      # The preopen pass in lib mode reverses $deplibs; put it back here
+      # so that -L comes before libs that need it for instance...
+      if test "$linkmode,$pass" = "lib,link"; then
+	## FIXME: Find the place where the list is rebuilt in the wrong
+	##        order, and fix it there properly
+        tmp_deplibs=
+	for deplib in $deplibs; do
+	  tmp_deplibs="$deplib $tmp_deplibs"
+	done
+	deplibs="$tmp_deplibs"
+      fi
+
+      if test "$linkmode,$pass" = "lib,link" ||
+	 test "$linkmode,$pass" = "prog,scan"; then
+	libs="$deplibs"
+	deplibs=
+      fi
+      if test "$linkmode" = prog; then
+	case $pass in
+	dlopen) libs="$dlfiles" ;;
+	dlpreopen) libs="$dlprefiles" ;;
+	link)
+	  libs="$deplibs %DEPLIBS%"
+	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
+	  ;;
+	esac
+      fi
+      if test "$linkmode,$pass" = "lib,dlpreopen"; then
+	# Collect and forward deplibs of preopened libtool libs
+	for lib in $dlprefiles; do
+	  # Ignore non-libtool-libs
+	  dependency_libs=
+	  func_resolve_sysroot "$lib"
+	  case $lib in
+	  *.la)	func_source "$func_resolve_sysroot_result" ;;
+	  esac
+
+	  # Collect preopened libtool deplibs, except any this library
+	  # has declared as weak libs
+	  for deplib in $dependency_libs; do
+	    func_basename "$deplib"
+            deplib_base=$func_basename_result
+	    case " $weak_libs " in
+	    *" $deplib_base "*) ;;
+	    *) func_append deplibs " $deplib" ;;
+	    esac
+	  done
+	done
+	libs="$dlprefiles"
+      fi
+      if test "$pass" = dlopen; then
+	# Collect dlpreopened libraries
+	save_deplibs="$deplibs"
+	deplibs=
+      fi
+
+      for deplib in $libs; do
+	lib=
+	found=no
+	case $deplib in
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    func_append compiler_flags " $deplib"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) func_append new_inherited_linker_flags " $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-l*)
+	  if test "$linkmode" != lib && test "$linkmode" != prog; then
+	    func_warning "\`-l' is ignored for archives/objects"
+	    continue
+	  fi
+	  func_stripname '-l' '' "$deplib"
+	  name=$func_stripname_result
+	  if test "$linkmode" = lib; then
+	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+	  else
+	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+	  fi
+	  for searchdir in $searchdirs; do
+	    for search_ext in .la $std_shrext .so .a; do
+	      # Search the libtool library
+	      lib="$searchdir/lib${name}${search_ext}"
+	      if test -f "$lib"; then
+		if test "$search_ext" = ".la"; then
+		  found=yes
+		else
+		  found=no
+		fi
+		break 2
+	      fi
+	    done
+	  done
+	  if test "$found" != yes; then
+	    # deplib doesn't seem to be a libtool library
+	    if test "$linkmode,$pass" = "prog,link"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
+	  else # deplib is a libtool library
+	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+	    # We need to do some special things here, and not later.
+	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      case " $predeps $postdeps " in
+	      *" $deplib "*)
+		if func_lalib_p "$lib"; then
+		  library_names=
+		  old_library=
+		  func_source "$lib"
+		  for l in $old_library $library_names; do
+		    ll="$l"
+		  done
+		  if test "X$ll" = "X$old_library" ; then # only static version available
+		    found=no
+		    func_dirname "$lib" "" "."
+		    ladir="$func_dirname_result"
+		    lib=$ladir/$old_library
+		    if test "$linkmode,$pass" = "prog,link"; then
+		      compile_deplibs="$deplib $compile_deplibs"
+		      finalize_deplibs="$deplib $finalize_deplibs"
+		    else
+		      deplibs="$deplib $deplibs"
+		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+		    fi
+		    continue
+		  fi
+		fi
+		;;
+	      *) ;;
+	      esac
+	    fi
+	  fi
+	  ;; # -l
+	*.ltframework)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    deplibs="$deplib $deplibs"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) func_append new_inherited_linker_flags " $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-L*)
+	  case $linkmode in
+	  lib)
+	    deplibs="$deplib $deplibs"
+	    test "$pass" = conv && continue
+	    newdependency_libs="$deplib $newdependency_libs"
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    func_append newlib_search_path " $func_resolve_sysroot_result"
+	    ;;
+	  prog)
+	    if test "$pass" = conv; then
+	      deplibs="$deplib $deplibs"
+	      continue
+	    fi
+	    if test "$pass" = scan; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    func_append newlib_search_path " $func_resolve_sysroot_result"
+	    ;;
+	  *)
+	    func_warning "\`-L' is ignored for archives/objects"
+	    ;;
+	  esac # linkmode
+	  continue
+	  ;; # -L
+	-R*)
+	  if test "$pass" = link; then
+	    func_stripname '-R' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    dir=$func_resolve_sysroot_result
+	    # Make sure the xrpath contains only unique directories.
+	    case "$xrpath " in
+	    *" $dir "*) ;;
+	    *) func_append xrpath " $dir" ;;
+	    esac
+	  fi
+	  deplibs="$deplib $deplibs"
+	  continue
+	  ;;
+	*.la)
+	  func_resolve_sysroot "$deplib"
+	  lib=$func_resolve_sysroot_result
+	  ;;
+	*.$libext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	    continue
+	  fi
+	  case $linkmode in
+	  lib)
+	    # Linking convenience modules into shared libraries is allowed,
+	    # but linking other static libraries is non-portable.
+	    case " $dlpreconveniencelibs " in
+	    *" $deplib "*) ;;
+	    *)
+	      valid_a_lib=no
+	      case $deplibs_check_method in
+		match_pattern*)
+		  set dummy $deplibs_check_method; shift
+		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+		  if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
+		    | $EGREP "$match_pattern_regex" > /dev/null; then
+		    valid_a_lib=yes
+		  fi
+		;;
+		pass_all)
+		  valid_a_lib=yes
+		;;
+	      esac
+	      if test "$valid_a_lib" != yes; then
+		echo
+		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because the file extensions .$libext of this argument makes me believe"
+		echo "*** that it is just a static archive that I should not use here."
+	      else
+		echo
+		$ECHO "*** Warning: Linking the shared library $output against the"
+		$ECHO "*** static library $deplib is not portable!"
+		deplibs="$deplib $deplibs"
+	      fi
+	      ;;
+	    esac
+	    continue
+	    ;;
+	  prog)
+	    if test "$pass" != link; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    continue
+	    ;;
+	  esac # linkmode
+	  ;; # *.$libext
+	*.lo | *.$objext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	  elif test "$linkmode" = prog; then
+	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+	      # If there is no dlopen support or we're linking statically,
+	      # we need to preload.
+	      func_append newdlprefiles " $deplib"
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      func_append newdlfiles " $deplib"
+	    fi
+	  fi
+	  continue
+	  ;;
+	%DEPLIBS%)
+	  alldeplibs=yes
+	  continue
+	  ;;
+	esac # case $deplib
+
+	if test "$found" = yes || test -f "$lib"; then :
+	else
+	  func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
+	fi
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$lib" \
+	  || func_fatal_error "\`$lib' is not a valid libtool archive"
+
+	func_dirname "$lib" "" "."
+	ladir="$func_dirname_result"
+
+	dlname=
+	dlopen=
+	dlpreopen=
+	libdir=
+	library_names=
+	old_library=
+	inherited_linker_flags=
+	# If the library was installed with an old release of libtool,
+	# it will not redefine variables installed, or shouldnotlink
+	installed=yes
+	shouldnotlink=no
+	avoidtemprpath=
+
+
+	# Read the .la file
+	func_source "$lib"
+
+	# Convert "-framework foo" to "foo.ltframework"
+	if test -n "$inherited_linker_flags"; then
+	  tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'`
+	  for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+	    case " $new_inherited_linker_flags " in
+	      *" $tmp_inherited_linker_flag "*) ;;
+	      *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";;
+	    esac
+	  done
+	fi
+	dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	if test "$linkmode,$pass" = "lib,link" ||
+	   test "$linkmode,$pass" = "prog,scan" ||
+	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+	  test -n "$dlopen" && func_append dlfiles " $dlopen"
+	  test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen"
+	fi
+
+	if test "$pass" = conv; then
+	  # Only check for convenience libraries
+	  deplibs="$lib $deplibs"
+	  if test -z "$libdir"; then
+	    if test -z "$old_library"; then
+	      func_fatal_error "cannot find name of link library for \`$lib'"
+	    fi
+	    # It is a libtool convenience library, so add in its objects.
+	    func_append convenience " $ladir/$objdir/$old_library"
+	    func_append old_convenience " $ladir/$objdir/$old_library"
+	    tmp_libs=
+	    for deplib in $dependency_libs; do
+	      deplibs="$deplib $deplibs"
+	      if $opt_preserve_dup_deps ; then
+		case "$tmp_libs " in
+		*" $deplib "*) func_append specialdeplibs " $deplib" ;;
+		esac
+	      fi
+	      func_append tmp_libs " $deplib"
+	    done
+	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
+	    func_fatal_error "\`$lib' is not a convenience library"
+	  fi
+	  continue
+	fi # $pass = conv
+
+
+	# Get the name of the library we link against.
+	linklib=
+	if test -n "$old_library" &&
+	   { test "$prefer_static_libs" = yes ||
+	     test "$prefer_static_libs,$installed" = "built,no"; }; then
+	  linklib=$old_library
+	else
+	  for l in $old_library $library_names; do
+	    linklib="$l"
+	  done
+	fi
+	if test -z "$linklib"; then
+	  func_fatal_error "cannot find name of link library for \`$lib'"
+	fi
+
+	# This library was specified with -dlopen.
+	if test "$pass" = dlopen; then
+	  if test -z "$libdir"; then
+	    func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
+	  fi
+	  if test -z "$dlname" ||
+	     test "$dlopen_support" != yes ||
+	     test "$build_libtool_libs" = no; then
+	    # If there is no dlname, no dlopen support or we're linking
+	    # statically, we need to preload.  We also need to preload any
+	    # dependent libraries so libltdl's deplib preloader doesn't
+	    # bomb out in the load deplibs phase.
+	    func_append dlprefiles " $lib $dependency_libs"
+	  else
+	    func_append newdlfiles " $lib"
+	  fi
+	  continue
+	fi # $pass = dlopen
+
+	# We need an absolute path.
+	case $ladir in
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+	*)
+	  abs_ladir=`cd "$ladir" && pwd`
+	  if test -z "$abs_ladir"; then
+	    func_warning "cannot determine absolute directory name of \`$ladir'"
+	    func_warning "passing it literally to the linker, although it might fail"
+	    abs_ladir="$ladir"
+	  fi
+	  ;;
+	esac
+	func_basename "$lib"
+	laname="$func_basename_result"
+
+	# Find the relevant object directory and library name.
+	if test "X$installed" = Xyes; then
+	  if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    func_warning "library \`$lib' was moved."
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    libdir="$abs_ladir"
+	  else
+	    dir="$lt_sysroot$libdir"
+	    absdir="$lt_sysroot$libdir"
+	  fi
+	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+	else
+	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    # Remove this search path later
+	    func_append notinst_path " $abs_ladir"
+	  else
+	    dir="$ladir/$objdir"
+	    absdir="$abs_ladir/$objdir"
+	    # Remove this search path later
+	    func_append notinst_path " $abs_ladir"
+	  fi
+	fi # $installed = yes
+	func_stripname 'lib' '.la' "$laname"
+	name=$func_stripname_result
+
+	# This library was specified with -dlpreopen.
+	if test "$pass" = dlpreopen; then
+	  if test -z "$libdir" && test "$linkmode" = prog; then
+	    func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+	  fi
+	  case "$host" in
+	    # special handling for platforms with PE-DLLs.
+	    *cygwin* | *mingw* | *cegcc* )
+	      # Linker will automatically link against shared library if both
+	      # static and shared are present.  Therefore, ensure we extract
+	      # symbols from the import library if a shared library is present
+	      # (otherwise, the dlopen module name will be incorrect).  We do
+	      # this by putting the import library name into $newdlprefiles.
+	      # We recover the dlopen module name by 'saving' the la file
+	      # name in a special purpose variable, and (later) extracting the
+	      # dlname from the la file.
+	      if test -n "$dlname"; then
+	        func_tr_sh "$dir/$linklib"
+	        eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
+	        func_append newdlprefiles " $dir/$linklib"
+	      else
+	        func_append newdlprefiles " $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          func_append dlpreconveniencelibs " $dir/$old_library"
+	      fi
+	    ;;
+	    * )
+	      # Prefer using a static library (so that no silly _DYNAMIC symbols
+	      # are required to link).
+	      if test -n "$old_library"; then
+	        func_append newdlprefiles " $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          func_append dlpreconveniencelibs " $dir/$old_library"
+	      # Otherwise, use the dlname, so that lt_dlopen finds it.
+	      elif test -n "$dlname"; then
+	        func_append newdlprefiles " $dir/$dlname"
+	      else
+	        func_append newdlprefiles " $dir/$linklib"
+	      fi
+	    ;;
+	  esac
+	fi # $pass = dlpreopen
+
+	if test -z "$libdir"; then
+	  # Link the convenience library
+	  if test "$linkmode" = lib; then
+	    deplibs="$dir/$old_library $deplibs"
+	  elif test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$dir/$old_library $compile_deplibs"
+	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
+	  else
+	    deplibs="$lib $deplibs" # used for prog,scan pass
+	  fi
+	  continue
+	fi
+
+
+	if test "$linkmode" = prog && test "$pass" != link; then
+	  func_append newlib_search_path " $ladir"
+	  deplibs="$lib $deplibs"
+
+	  linkalldeplibs=no
+	  if test "$link_all_deplibs" != no || test -z "$library_names" ||
+	     test "$build_libtool_libs" = no; then
+	    linkalldeplibs=yes
+	  fi
+
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    case $deplib in
+	    -L*) func_stripname '-L' '' "$deplib"
+	         func_resolve_sysroot "$func_stripname_result"
+	         func_append newlib_search_path " $func_resolve_sysroot_result"
+		 ;;
+	    esac
+	    # Need to link against all dependency_libs?
+	    if test "$linkalldeplibs" = yes; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      # Need to hardcode shared library paths
+	      # or/and link against static libraries
+	      newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    if $opt_preserve_dup_deps ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+	      esac
+	    fi
+	    func_append tmp_libs " $deplib"
+	  done # for deplib
+	  continue
+	fi # $linkmode = prog...
+
+	if test "$linkmode,$pass" = "prog,link"; then
+	  if test -n "$library_names" &&
+	     { { test "$prefer_static_libs" = no ||
+	         test "$prefer_static_libs,$installed" = "built,yes"; } ||
+	       test -z "$old_library"; }; then
+	    # We need to hardcode the library path
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+	      # Make sure the rpath contains only unique directories.
+	      case "$temp_rpath:" in
+	      *"$absdir:"*) ;;
+	      *) func_append temp_rpath "$absdir:" ;;
+	      esac
+	    fi
+
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) func_append compile_rpath " $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append finalize_rpath " $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi # $linkmode,$pass = prog,link...
+
+	  if test "$alldeplibs" = yes &&
+	     { test "$deplibs_check_method" = pass_all ||
+	       { test "$build_libtool_libs" = yes &&
+		 test -n "$library_names"; }; }; then
+	    # We only need to search for static libraries
+	    continue
+	  fi
+	fi
+
+	link_static=no # Whether the deplib will be linked statically
+	use_static_libs=$prefer_static_libs
+	if test "$use_static_libs" = built && test "$installed" = yes; then
+	  use_static_libs=no
+	fi
+	if test -n "$library_names" &&
+	   { test "$use_static_libs" = no || test -z "$old_library"; }; then
+	  case $host in
+	  *cygwin* | *mingw* | *cegcc*)
+	      # No point in relinking DLLs because paths are not encoded
+	      func_append notinst_deplibs " $lib"
+	      need_relink=no
+	    ;;
+	  *)
+	    if test "$installed" = no; then
+	      func_append notinst_deplibs " $lib"
+	      need_relink=yes
+	    fi
+	    ;;
+	  esac
+	  # This is a shared library
+
+	  # Warn about portability, can't link against -module's on some
+	  # systems (darwin).  Don't bleat about dlopened modules though!
+	  dlopenmodule=""
+	  for dlpremoduletest in $dlprefiles; do
+	    if test "X$dlpremoduletest" = "X$lib"; then
+	      dlopenmodule="$dlpremoduletest"
+	      break
+	    fi
+	  done
+	  if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+	    echo
+	    if test "$linkmode" = prog; then
+	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
+	    else
+	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+	    fi
+	    $ECHO "*** $linklib is not portable!"
+	  fi
+	  if test "$linkmode" = lib &&
+	     test "$hardcode_into_libs" = yes; then
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) func_append compile_rpath " $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append finalize_rpath " $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi
+
+	  if test -n "$old_archive_from_expsyms_cmds"; then
+	    # figure out the soname
+	    set dummy $library_names
+	    shift
+	    realname="$1"
+	    shift
+	    libname=`eval "\\$ECHO \"$libname_spec\""`
+	    # use dlname if we got it. it's perfectly good, no?
+	    if test -n "$dlname"; then
+	      soname="$dlname"
+	    elif test -n "$soname_spec"; then
+	      # bleh windows
+	      case $host in
+	      *cygwin* | mingw* | *cegcc*)
+	        func_arith $current - $age
+		major=$func_arith_result
+		versuffix="-$major"
+		;;
+	      esac
+	      eval soname=\"$soname_spec\"
+	    else
+	      soname="$realname"
+	    fi
+
+	    # Make a new name for the extract_expsyms_cmds to use
+	    soroot="$soname"
+	    func_basename "$soroot"
+	    soname="$func_basename_result"
+	    func_stripname 'lib' '.dll' "$soname"
+	    newlib=libimp-$func_stripname_result.a
+
+	    # If the library has no export list, then create one now
+	    if test -f "$output_objdir/$soname-def"; then :
+	    else
+	      func_verbose "extracting exported symbol list from \`$soname'"
+	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+	    fi
+
+	    # Create $newlib
+	    if test -f "$output_objdir/$newlib"; then :; else
+	      func_verbose "generating import library for \`$soname'"
+	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+	    fi
+	    # make sure the library variables are pointing to the new library
+	    dir=$output_objdir
+	    linklib=$newlib
+	  fi # test -n "$old_archive_from_expsyms_cmds"
+
+	  if test "$linkmode" = prog || test "$opt_mode" != relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    lib_linked=yes
+	    case $hardcode_action in
+	    immediate | unsupported)
+	      if test "$hardcode_direct" = no; then
+		add="$dir/$linklib"
+		case $host in
+		  *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+		  *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+		    *-*-unixware7*) add_dir="-L$dir" ;;
+		  *-*-darwin* )
+		    # if the lib is a (non-dlopened) module then we can not
+		    # link against it, someone is ignoring the earlier warnings
+		    if /usr/bin/file -L $add 2> /dev/null |
+			 $GREP ": [^:]* bundle" >/dev/null ; then
+		      if test "X$dlopenmodule" != "X$lib"; then
+			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
+			if test -z "$old_library" ; then
+			  echo
+			  echo "*** And there doesn't seem to be a static archive available"
+			  echo "*** The link will probably fail, sorry"
+			else
+			  add="$dir/$old_library"
+			fi
+		      elif test -n "$old_library"; then
+			add="$dir/$old_library"
+		      fi
+		    fi
+		esac
+	      elif test "$hardcode_minus_L" = no; then
+		case $host in
+		*-*-sunos*) add_shlibpath="$dir" ;;
+		esac
+		add_dir="-L$dir"
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = no; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    relink)
+	      if test "$hardcode_direct" = yes &&
+	         test "$hardcode_direct_absolute" = no; then
+		add="$dir/$linklib"
+	      elif test "$hardcode_minus_L" = yes; then
+		add_dir="-L$absdir"
+		# Try looking first in the location we're being installed to.
+		if test -n "$inst_prefix_dir"; then
+		  case $libdir in
+		    [\\/]*)
+		      func_append add_dir " -L$inst_prefix_dir$libdir"
+		      ;;
+		  esac
+		fi
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = yes; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    *) lib_linked=no ;;
+	    esac
+
+	    if test "$lib_linked" != yes; then
+	      func_fatal_configuration "unsupported hardcode properties"
+	    fi
+
+	    if test -n "$add_shlibpath"; then
+	      case :$compile_shlibpath: in
+	      *":$add_shlibpath:"*) ;;
+	      *) func_append compile_shlibpath "$add_shlibpath:" ;;
+	      esac
+	    fi
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	      if test "$hardcode_direct" != yes &&
+		 test "$hardcode_minus_L" != yes &&
+		 test "$hardcode_shlibpath_var" = yes; then
+		case :$finalize_shlibpath: in
+		*":$libdir:"*) ;;
+		*) func_append finalize_shlibpath "$libdir:" ;;
+		esac
+	      fi
+	    fi
+	  fi
+
+	  if test "$linkmode" = prog || test "$opt_mode" = relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    # Finalize command for both is simple: just hardcode it.
+	    if test "$hardcode_direct" = yes &&
+	       test "$hardcode_direct_absolute" = no; then
+	      add="$libdir/$linklib"
+	    elif test "$hardcode_minus_L" = yes; then
+	      add_dir="-L$libdir"
+	      add="-l$name"
+	    elif test "$hardcode_shlibpath_var" = yes; then
+	      case :$finalize_shlibpath: in
+	      *":$libdir:"*) ;;
+	      *) func_append finalize_shlibpath "$libdir:" ;;
+	      esac
+	      add="-l$name"
+	    elif test "$hardcode_automatic" = yes; then
+	      if test -n "$inst_prefix_dir" &&
+		 test -f "$inst_prefix_dir$libdir/$linklib" ; then
+		add="$inst_prefix_dir$libdir/$linklib"
+	      else
+		add="$libdir/$linklib"
+	      fi
+	    else
+	      # We cannot seem to hardcode it, guess we'll fake it.
+	      add_dir="-L$libdir"
+	      # Try looking first in the location we're being installed to.
+	      if test -n "$inst_prefix_dir"; then
+		case $libdir in
+		  [\\/]*)
+		    func_append add_dir " -L$inst_prefix_dir$libdir"
+		    ;;
+		esac
+	      fi
+	      add="-l$name"
+	    fi
+
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	    fi
+	  fi
+	elif test "$linkmode" = prog; then
+	  # Here we assume that one of hardcode_direct or hardcode_minus_L
+	  # is not unsupported.  This is valid on all known static and
+	  # shared platforms.
+	  if test "$hardcode_direct" != unsupported; then
+	    test -n "$old_library" && linklib="$old_library"
+	    compile_deplibs="$dir/$linklib $compile_deplibs"
+	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
+	  else
+	    compile_deplibs="-l$name -L$dir $compile_deplibs"
+	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+	  fi
+	elif test "$build_libtool_libs" = yes; then
+	  # Not a shared library
+	  if test "$deplibs_check_method" != pass_all; then
+	    # We're trying link a shared library against a static one
+	    # but the system doesn't support it.
+
+	    # Just print a warning and add the library to dependency_libs so
+	    # that the program can be linked against the static library.
+	    echo
+	    $ECHO "*** Warning: This system can not link to static lib archive $lib."
+	    echo "*** I have the capability to make that library automatically link in when"
+	    echo "*** you link to this library.  But I can only do this if you have a"
+	    echo "*** shared version of the library, which you do not appear to have."
+	    if test "$module" = yes; then
+	      echo "*** But as you try to build a module library, libtool will still create "
+	      echo "*** a static module, that should work as long as the dlopening application"
+	      echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+	      if test -z "$global_symbol_pipe"; then
+		echo
+		echo "*** However, this would only work if libtool was able to extract symbol"
+		echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+		echo "*** not find such a program.  So, this module is probably useless."
+		echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	      fi
+	      if test "$build_old_libs" = no; then
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  else
+	    deplibs="$dir/$old_library $deplibs"
+	    link_static=yes
+	  fi
+	fi # link shared/static library?
+
+	if test "$linkmode" = lib; then
+	  if test -n "$dependency_libs" &&
+	     { test "$hardcode_into_libs" != yes ||
+	       test "$build_old_libs" = yes ||
+	       test "$link_static" = yes; }; then
+	    # Extract -R from dependency_libs
+	    temp_deplibs=
+	    for libdir in $dependency_libs; do
+	      case $libdir in
+	      -R*) func_stripname '-R' '' "$libdir"
+	           temp_xrpath=$func_stripname_result
+		   case " $xrpath " in
+		   *" $temp_xrpath "*) ;;
+		   *) func_append xrpath " $temp_xrpath";;
+		   esac;;
+	      *) func_append temp_deplibs " $libdir";;
+	      esac
+	    done
+	    dependency_libs="$temp_deplibs"
+	  fi
+
+	  func_append newlib_search_path " $absdir"
+	  # Link against this library
+	  test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  # ... and its dependency_libs
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    newdependency_libs="$deplib $newdependency_libs"
+	    case $deplib in
+              -L*) func_stripname '-L' '' "$deplib"
+                   func_resolve_sysroot "$func_stripname_result";;
+              *) func_resolve_sysroot "$deplib" ;;
+            esac
+	    if $opt_preserve_dup_deps ; then
+	      case "$tmp_libs " in
+	      *" $func_resolve_sysroot_result "*)
+                func_append specialdeplibs " $func_resolve_sysroot_result" ;;
+	      esac
+	    fi
+	    func_append tmp_libs " $func_resolve_sysroot_result"
+	  done
+
+	  if test "$link_all_deplibs" != no; then
+	    # Add the search paths of all dependency libraries
+	    for deplib in $dependency_libs; do
+	      path=
+	      case $deplib in
+	      -L*) path="$deplib" ;;
+	      *.la)
+	        func_resolve_sysroot "$deplib"
+	        deplib=$func_resolve_sysroot_result
+	        func_dirname "$deplib" "" "."
+		dir=$func_dirname_result
+		# We need an absolute path.
+		case $dir in
+		[\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+		*)
+		  absdir=`cd "$dir" && pwd`
+		  if test -z "$absdir"; then
+		    func_warning "cannot determine absolute directory name of \`$dir'"
+		    absdir="$dir"
+		  fi
+		  ;;
+		esac
+		if $GREP "^installed=no" $deplib > /dev/null; then
+		case $host in
+		*-*-darwin*)
+		  depdepl=
+		  eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names" ; then
+		    for tmp in $deplibrary_names ; do
+		      depdepl=$tmp
+		    done
+		    if test -f "$absdir/$objdir/$depdepl" ; then
+		      depdepl="$absdir/$objdir/$depdepl"
+		      darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+                      if test -z "$darwin_install_name"; then
+                          darwin_install_name=`${OTOOL64} -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
+                      fi
+		      func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
+		      func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}"
+		      path=
+		    fi
+		  fi
+		  ;;
+		*)
+		  path="-L$absdir/$objdir"
+		  ;;
+		esac
+		else
+		  eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  test -z "$libdir" && \
+		    func_fatal_error "\`$deplib' is not a valid libtool archive"
+		  test "$absdir" != "$libdir" && \
+		    func_warning "\`$deplib' seems to be moved"
+
+		  path="-L$absdir"
+		fi
+		;;
+	      esac
+	      case " $deplibs " in
+	      *" $path "*) ;;
+	      *) deplibs="$path $deplibs" ;;
+	      esac
+	    done
+	  fi # link_all_deplibs != no
+	fi # linkmode = lib
+      done # for deplib in $libs
+      if test "$pass" = link; then
+	if test "$linkmode" = "prog"; then
+	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+	else
+	  compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	fi
+      fi
+      dependency_libs="$newdependency_libs"
+      if test "$pass" = dlpreopen; then
+	# Link the dlpreopened libraries before other libraries
+	for deplib in $save_deplibs; do
+	  deplibs="$deplib $deplibs"
+	done
+      fi
+      if test "$pass" != dlopen; then
+	if test "$pass" != conv; then
+	  # Make sure lib_search_path contains only unique directories.
+	  lib_search_path=
+	  for dir in $newlib_search_path; do
+	    case "$lib_search_path " in
+	    *" $dir "*) ;;
+	    *) func_append lib_search_path " $dir" ;;
+	    esac
+	  done
+	  newlib_search_path=
+	fi
+
+	if test "$linkmode,$pass" != "prog,link"; then
+	  vars="deplibs"
+	else
+	  vars="compile_deplibs finalize_deplibs"
+	fi
+	for var in $vars dependency_libs; do
+	  # Add libraries to $var in reverse order
+	  eval tmp_libs=\"\$$var\"
+	  new_libs=
+	  for deplib in $tmp_libs; do
+	    # FIXME: Pedantically, this is the right thing to do, so
+	    #        that some nasty dependency loop isn't accidentally
+	    #        broken:
+	    #new_libs="$deplib $new_libs"
+	    # Pragmatically, this seems to cause very few problems in
+	    # practice:
+	    case $deplib in
+	    -L*) new_libs="$deplib $new_libs" ;;
+	    -R*) ;;
+	    *)
+	      # And here is the reason: when a library appears more
+	      # than once as an explicit dependence of a library, or
+	      # is implicitly linked in more than once by the
+	      # compiler, it is considered special, and multiple
+	      # occurrences thereof are not removed.  Compare this
+	      # with having the same library being listed as a
+	      # dependency of multiple other libraries: in this case,
+	      # we know (pedantically, we assume) the library does not
+	      # need to be listed more than once, so we keep only the
+	      # last copy.  This is not always right, but it is rare
+	      # enough that we require users that really mean to play
+	      # such unportable linking tricks to link the library
+	      # using -Wl,-lname, so that libtool does not consider it
+	      # for duplicate removal.
+	      case " $specialdeplibs " in
+	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
+	      *)
+		case " $new_libs " in
+		*" $deplib "*) ;;
+		*) new_libs="$deplib $new_libs" ;;
+		esac
+		;;
+	      esac
+	      ;;
+	    esac
+	  done
+	  tmp_libs=
+	  for deplib in $new_libs; do
+	    case $deplib in
+	    -L*)
+	      case " $tmp_libs " in
+	      *" $deplib "*) ;;
+	      *) func_append tmp_libs " $deplib" ;;
+	      esac
+	      ;;
+	    *) func_append tmp_libs " $deplib" ;;
+	    esac
+	  done
+	  eval $var=\"$tmp_libs\"
+	done # for var
+      fi
+      # Last step: remove runtime libs from dependency_libs
+      # (they stay in deplibs)
+      tmp_libs=
+      for i in $dependency_libs ; do
+	case " $predeps $postdeps $compiler_lib_search_path " in
+	*" $i "*)
+	  i=""
+	  ;;
+	esac
+	if test -n "$i" ; then
+	  func_append tmp_libs " $i"
+	fi
+      done
+      dependency_libs=$tmp_libs
+    done # for pass
+    if test "$linkmode" = prog; then
+      dlfiles="$newdlfiles"
+    fi
+    if test "$linkmode" = prog || test "$linkmode" = lib; then
+      dlprefiles="$newdlprefiles"
+    fi
+
+    case $linkmode in
+    oldlib)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for archives"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for archives" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for archives"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for archives"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info/-version-number' is ignored for archives"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for archives"
+
+      test -n "$export_symbols$export_symbols_regex" && \
+	func_warning "\`-export-symbols' is ignored for archives"
+
+      # Now set the variables for building old libraries.
+      build_libtool_libs=no
+      oldlibs="$output"
+      func_append objs "$old_deplibs"
+      ;;
+
+    lib)
+      # Make sure we only generate libraries of the form `libNAME.la'.
+      case $outputname in
+      lib*)
+	func_stripname 'lib' '.la' "$outputname"
+	name=$func_stripname_result
+	eval shared_ext=\"$shrext_cmds\"
+	eval libname=\"$libname_spec\"
+	;;
+      *)
+	test "$module" = no && \
+	  func_fatal_help "libtool library \`$output' must begin with \`lib'"
+
+	if test "$need_lib_prefix" != no; then
+	  # Add the "lib" prefix for modules if required
+	  func_stripname '' '.la' "$outputname"
+	  name=$func_stripname_result
+	  eval shared_ext=\"$shrext_cmds\"
+	  eval libname=\"$libname_spec\"
+	else
+	  func_stripname '' '.la' "$outputname"
+	  libname=$func_stripname_result
+	fi
+	;;
+      esac
+
+      if test -n "$objs"; then
+	if test "$deplibs_check_method" != pass_all; then
+	  func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+	else
+	  echo
+	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+	  $ECHO "*** objects $objs is not portable!"
+	  func_append libobjs " $objs"
+	fi
+      fi
+
+      test "$dlself" != no && \
+	func_warning "\`-dlopen self' is ignored for libtool libraries"
+
+      set dummy $rpath
+      shift
+      test "$#" -gt 1 && \
+	func_warning "ignoring multiple \`-rpath's for a libtool library"
+
+      install_libdir="$1"
+
+      oldlibs=
+      if test -z "$rpath"; then
+	if test "$build_libtool_libs" = yes; then
+	  # Building a libtool convenience library.
+	  # Some compilers have problems with a `.al' extension so
+	  # convenience libraries should have the same extension an
+	  # archive normally would.
+	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
+	  build_libtool_libs=convenience
+	  build_old_libs=yes
+	fi
+
+	test -n "$vinfo" && \
+	  func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+
+	test -n "$release" && \
+	  func_warning "\`-release' is ignored for convenience libraries"
+      else
+
+	# Parse the version information argument.
+	save_ifs="$IFS"; IFS=':'
+	set dummy $vinfo 0 0 0
+	shift
+	IFS="$save_ifs"
+
+	test -n "$7" && \
+	  func_fatal_help "too many parameters to \`-version-info'"
+
+	# convert absolute version numbers to libtool ages
+	# this retains compatibility with .la files and attempts
+	# to make the code below a bit more comprehensible
+
+	case $vinfo_number in
+	yes)
+	  number_major="$1"
+	  number_minor="$2"
+	  number_revision="$3"
+	  #
+	  # There are really only two kinds -- those that
+	  # use the current revision as the major version
+	  # and those that subtract age and use age as
+	  # a minor version.  But, then there is irix
+	  # which has an extra 1 added just for fun
+	  #
+	  case $version_type in
+	  # correct linux to gnu/linux during the next big refactor
+	  darwin|linux|osf|windows|none)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_revision"
+	    ;;
+	  freebsd-aout|freebsd-elf|qnx|sunos)
+	    current="$number_major"
+	    revision="$number_minor"
+	    age="0"
+	    ;;
+	  irix|nonstopux)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_minor"
+	    lt_irix_increment=no
+	    ;;
+	  *)
+	    func_fatal_configuration "$modename: unknown library version type \`$version_type'"
+	    ;;
+	  esac
+	  ;;
+	no)
+	  current="$1"
+	  revision="$2"
+	  age="$3"
+	  ;;
+	esac
+
+	# Check that each of the things are valid numbers.
+	case $current in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "CURRENT \`$current' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $revision in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "REVISION \`$revision' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $age in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "AGE \`$age' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	if test "$age" -gt "$current"; then
+	  func_error "AGE \`$age' is greater than the current interface number \`$current'"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	fi
+
+	# Calculate the version variables.
+	major=
+	versuffix=
+	verstring=
+	case $version_type in
+	none) ;;
+
+	darwin)
+	  # Like Linux, but with the current version available in
+	  # verstring for coding it into the library header
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  # Darwin ld doesn't like 0 for these options...
+	  func_arith $current + 1
+	  minor_current=$func_arith_result
+	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+	  ;;
+
+	freebsd-aout)
+	  major=".$current"
+	  versuffix=".$current.$revision";
+	  ;;
+
+	freebsd-elf)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	irix | nonstopux)
+	  if test "X$lt_irix_increment" = "Xno"; then
+	    func_arith $current - $age
+	  else
+	    func_arith $current - $age + 1
+	  fi
+	  major=$func_arith_result
+
+	  case $version_type in
+	    nonstopux) verstring_prefix=nonstopux ;;
+	    *)         verstring_prefix=sgi ;;
+	  esac
+	  verstring="$verstring_prefix$major.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$revision
+	  while test "$loop" -ne 0; do
+	    func_arith $revision - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring_prefix$major.$iface:$verstring"
+	  done
+
+	  # Before this point, $major must not contain `.'.
+	  major=.$major
+	  versuffix="$major.$revision"
+	  ;;
+
+	linux) # correct to gnu/linux during the next big refactor
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  ;;
+
+	osf)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=".$current.$age.$revision"
+	  verstring="$current.$age.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$age
+	  while test "$loop" -ne 0; do
+	    func_arith $current - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring:${iface}.0"
+	  done
+
+	  # Make executables depend on our current version.
+	  func_append verstring ":${current}.0"
+	  ;;
+
+	qnx)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	sunos)
+	  major=".$current"
+	  versuffix=".$current.$revision"
+	  ;;
+
+	windows)
+	  # Use '-' rather than '.', since we only want one
+	  # extension on DOS 8.3 filesystems.
+	  func_arith $current - $age
+	  major=$func_arith_result
+	  versuffix="-$major"
+	  ;;
+
+	*)
+	  func_fatal_configuration "unknown library version type \`$version_type'"
+	  ;;
+	esac
+
+	# Clear the version info if we defaulted, and they specified a release.
+	if test -z "$vinfo" && test -n "$release"; then
+	  major=
+	  case $version_type in
+	  darwin)
+	    # we can't check for "0.0" in archive_cmds due to quoting
+	    # problems, so we reset it completely
+	    verstring=
+	    ;;
+	  *)
+	    verstring="0.0"
+	    ;;
+	  esac
+	  if test "$need_version" = no; then
+	    versuffix=
+	  else
+	    versuffix=".0.0"
+	  fi
+	fi
+
+	# Remove version info from name if versioning should be avoided
+	if test "$avoid_version" = yes && test "$need_version" = no; then
+	  major=
+	  versuffix=
+	  verstring=""
+	fi
+
+	# Check to see if the archive will have undefined symbols.
+	if test "$allow_undefined" = yes; then
+	  if test "$allow_undefined_flag" = unsupported; then
+	    func_warning "undefined symbols not allowed in $host shared libraries"
+	    build_libtool_libs=no
+	    build_old_libs=yes
+	  fi
+	else
+	  # Don't allow undefined symbols.
+	  allow_undefined_flag="$no_undefined_flag"
+	fi
+
+      fi
+
+      func_generate_dlsyms "$libname" "$libname" "yes"
+      func_append libobjs " $symfileobj"
+      test "X$libobjs" = "X " && libobjs=
+
+      if test "$opt_mode" != relink; then
+	# Remove our outputs, but don't remove object files since they
+	# may have been created when compiling PIC objects.
+	removelist=
+	tempremovelist=`$ECHO "$output_objdir/*"`
+	for p in $tempremovelist; do
+	  case $p in
+	    *.$objext | *.gcno)
+	       ;;
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+	       if test "X$precious_files_regex" != "X"; then
+		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+		 then
+		   continue
+		 fi
+	       fi
+	       func_append removelist " $p"
+	       ;;
+	    *) ;;
+	  esac
+	done
+	test -n "$removelist" && \
+	  func_show_eval "${RM}r \$removelist"
+      fi
+
+      # Now set the variables for building old libraries.
+      if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+	func_append oldlibs " $output_objdir/$libname.$libext"
+
+	# Transform .lo files to .o files.
+	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP`
+      fi
+
+      # Eliminate all temporary directories.
+      #for path in $notinst_path; do
+      #	lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
+      #	deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
+      #	dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
+      #done
+
+      if test -n "$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	temp_xrpath=
+	for libdir in $xrpath; do
+	  func_replace_sysroot "$libdir"
+	  func_append temp_xrpath " -R$func_replace_sysroot_result"
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_rpath " $libdir" ;;
+	  esac
+	done
+	if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+	  dependency_libs="$temp_xrpath $dependency_libs"
+	fi
+      fi
+
+      # Make sure dlfiles contains only unique files that won't be dlpreopened
+      old_dlfiles="$dlfiles"
+      dlfiles=
+      for lib in $old_dlfiles; do
+	case " $dlprefiles $dlfiles " in
+	*" $lib "*) ;;
+	*) func_append dlfiles " $lib" ;;
+	esac
+      done
+
+      # Make sure dlprefiles contains only unique files
+      old_dlprefiles="$dlprefiles"
+      dlprefiles=
+      for lib in $old_dlprefiles; do
+	case "$dlprefiles " in
+	*" $lib "*) ;;
+	*) func_append dlprefiles " $lib" ;;
+	esac
+      done
+
+      if test "$build_libtool_libs" = yes; then
+	if test -n "$rpath"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # these systems don't actually have a c library (as such)!
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C library is in the System framework
+	    func_append deplibs " System.ltframework"
+	    ;;
+	  *-*-netbsd*)
+	    # Don't link with libc until the a.out ld.so is fixed.
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    ;;
+	  *)
+	    # Add libc to deplibs on all other systems if necessary.
+	    if test "$build_libtool_need_lc" = "yes"; then
+	      func_append deplibs " -lc"
+	    fi
+	    ;;
+	  esac
+	fi
+
+	# Transform deplibs into only deplibs that can be linked in shared.
+	name_save=$name
+	libname_save=$libname
+	release_save=$release
+	versuffix_save=$versuffix
+	major_save=$major
+	# I'm not sure if I'm treating the release correctly.  I think
+	# release should show up in the -l (ie -lgmp5) so we don't want to
+	# add it in twice.  Is that correct?
+	release=""
+	versuffix=""
+	major=""
+	newdeplibs=
+	droppeddeps=no
+	case $deplibs_check_method in
+	pass_all)
+	  # Don't check for shared/static.  Everything works.
+	  # This might be a little naive.  We might want to check
+	  # whether the library exists or not.  But this is on
+	  # osf3 & osf4 and I'm not really sure... Just
+	  # implementing what was already the behavior.
+	  newdeplibs=$deplibs
+	  ;;
+	test_compile)
+	  # This code stresses the "libraries are programs" paradigm to its
+	  # limits. Maybe even breaks it.  We compile a program, linking it
+	  # against the deplibs as a proxy for the library.  Then we can check
+	  # whether they linked in statically or dynamically with ldd.
+	  $opt_dry_run || $RM conftest.c
+	  cat > conftest.c <<EOF
+	  int main() { return 0; }
+EOF
+	  $opt_dry_run || $RM conftest
+	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+	    ldd_output=`ldd conftest`
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		  case " $predeps $postdeps " in
+		  *" $i "*)
+		    func_append newdeplibs " $i"
+		    i=""
+		    ;;
+		  esac
+		fi
+		if test -n "$i" ; then
+		  libname=`eval "\\$ECHO \"$libname_spec\""`
+		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		  set dummy $deplib_matches; shift
+		  deplib_match=$1
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		    func_append newdeplibs " $i"
+		  else
+		    droppeddeps=yes
+		    echo
+		    $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		    echo "*** I have the capability to make that library automatically link in when"
+		    echo "*** you link to this library.  But I can only do this if you have a"
+		    echo "*** shared version of the library, which I believe you do not have"
+		    echo "*** because a test_compile did reveal that the linker did not use it for"
+		    echo "*** its dynamic dependency list that programs get resolved with at runtime."
+		  fi
+		fi
+		;;
+	      *)
+		func_append newdeplibs " $i"
+		;;
+	      esac
+	    done
+	  else
+	    # Error occurred in the first compile.  Let's try to salvage
+	    # the situation: Compile a separate program for each library.
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		$opt_dry_run || $RM conftest
+		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+		  ldd_output=`ldd conftest`
+		  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		    case " $predeps $postdeps " in
+		    *" $i "*)
+		      func_append newdeplibs " $i"
+		      i=""
+		      ;;
+		    esac
+		  fi
+		  if test -n "$i" ; then
+		    libname=`eval "\\$ECHO \"$libname_spec\""`
+		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		    set dummy $deplib_matches; shift
+		    deplib_match=$1
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		      func_append newdeplibs " $i"
+		    else
+		      droppeddeps=yes
+		      echo
+		      $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		      echo "*** I have the capability to make that library automatically link in when"
+		      echo "*** you link to this library.  But I can only do this if you have a"
+		      echo "*** shared version of the library, which you do not appear to have"
+		      echo "*** because a test_compile did reveal that the linker did not use this one"
+		      echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+		    fi
+		  fi
+		else
+		  droppeddeps=yes
+		  echo
+		  $ECHO "*** Warning!  Library $i is needed by this library but I was not able to"
+		  echo "*** make it link in!  You will probably need to install it or some"
+		  echo "*** library that it depends on before this library will be fully"
+		  echo "*** functional.  Installing it before continuing would be even better."
+		fi
+		;;
+	      *)
+		func_append newdeplibs " $i"
+		;;
+	      esac
+	    done
+	  fi
+	  ;;
+	file_magic*)
+	  set dummy $deplibs_check_method; shift
+	  file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  func_append newdeplibs " $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		if test -n "$file_magic_glob"; then
+		  libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
+		else
+		  libnameglob=$libname
+		fi
+		test "$want_nocaseglob" = yes && nocaseglob=`shopt -p nocaseglob`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  if test "$want_nocaseglob" = yes; then
+		    shopt -s nocaseglob
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		    $nocaseglob
+		  else
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		  fi
+		  for potent_lib in $potential_libs; do
+		      # Follow soft links.
+		      if ls -lLd "$potent_lib" 2>/dev/null |
+			 $GREP " -> " >/dev/null; then
+			continue
+		      fi
+		      # The statement above tries to avoid entering an
+		      # endless loop below, in case of cyclic links.
+		      # We might still enter an endless loop, since a link
+		      # loop can be closed while we follow links,
+		      # but so what?
+		      potlib="$potent_lib"
+		      while test -h "$potlib" 2>/dev/null; do
+			potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+			case $potliblink in
+			[\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+			*) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";;
+			esac
+		      done
+		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+			 $SED -e 10q |
+			 $EGREP "$file_magic_regex" > /dev/null; then
+			func_append newdeplibs " $a_deplib"
+			a_deplib=""
+			break 2
+		      fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a file magic. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      func_append newdeplibs " $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	match_pattern*)
+	  set dummy $deplibs_check_method; shift
+	  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  func_append newdeplibs " $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		    potlib="$potent_lib" # see symlink-check above in file_magic test
+		    if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
+		       $EGREP "$match_pattern_regex" > /dev/null; then
+		      func_append newdeplibs " $a_deplib"
+		      a_deplib=""
+		      break 2
+		    fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a regex pattern. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      func_append newdeplibs " $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	none | unknown | *)
+	  newdeplibs=""
+	  tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
+	  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	    for i in $predeps $postdeps ; do
+	      # can't use Xsed below, because $i might contain '/'
+	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"`
+	    done
+	  fi
+	  case $tmp_deplibs in
+	  *[!\	\ ]*)
+	    echo
+	    if test "X$deplibs_check_method" = "Xnone"; then
+	      echo "*** Warning: inter-library dependencies are not supported in this platform."
+	    else
+	      echo "*** Warning: inter-library dependencies are not known to be supported."
+	    fi
+	    echo "*** All declared inter-library dependencies are being dropped."
+	    droppeddeps=yes
+	    ;;
+	  esac
+	  ;;
+	esac
+	versuffix=$versuffix_save
+	major=$major_save
+	release=$release_save
+	libname=$libname_save
+	name=$name_save
+
+	case $host in
+	*-*-rhapsody* | *-*-darwin1.[012])
+	  # On Rhapsody replace the C library with the System framework
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
+	  ;;
+	esac
+
+	if test "$droppeddeps" = yes; then
+	  if test "$module" = yes; then
+	    echo
+	    echo "*** Warning: libtool could not satisfy all declared inter-library"
+	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
+	    echo "*** a static module, that should work as long as the dlopening"
+	    echo "*** application is linked with the -dlopen flag."
+	    if test -z "$global_symbol_pipe"; then
+	      echo
+	      echo "*** However, this would only work if libtool was able to extract symbol"
+	      echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+	      echo "*** not find such a program.  So, this module is probably useless."
+	      echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	    fi
+	    if test "$build_old_libs" = no; then
+	      oldlibs="$output_objdir/$libname.$libext"
+	      build_libtool_libs=module
+	      build_old_libs=yes
+	    else
+	      build_libtool_libs=no
+	    fi
+	  else
+	    echo "*** The inter-library dependencies that have been dropped here will be"
+	    echo "*** automatically added whenever a program is linked with this library"
+	    echo "*** or is declared to -dlopen it."
+
+	    if test "$allow_undefined" = no; then
+	      echo
+	      echo "*** Since this library must not contain undefined symbols,"
+	      echo "*** because either the platform does not support them or"
+	      echo "*** it was explicitly requested with -no-undefined,"
+	      echo "*** libtool will only create a static version of it."
+	      if test "$build_old_libs" = no; then
+		oldlibs="$output_objdir/$libname.$libext"
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  fi
+	fi
+	# Done checking deplibs!
+	deplibs=$newdeplibs
+      fi
+      # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+      case $host in
+	*-*-darwin*)
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  ;;
+      esac
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $deplibs " in
+	  *" -L$path/$objdir "*)
+	    func_append new_libs " -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) func_append new_libs " $deplib" ;;
+	  esac
+	  ;;
+	*) func_append new_libs " $deplib" ;;
+	esac
+      done
+      deplibs="$new_libs"
+
+      # All the library-specific variables (install_libdir is set above).
+      library_names=
+      old_library=
+      dlname=
+
+      # Test again, we may have decided not to build it any more
+      if test "$build_libtool_libs" = yes; then
+	# Remove ${wl} instances when linking with ld.
+	# FIXME: should test the right _cmds variable.
+	case $archive_cmds in
+	  *\$LD\ *) wl= ;;
+        esac
+	if test "$hardcode_into_libs" = yes; then
+	  # Hardcode the library paths
+	  hardcode_libdirs=
+	  dep_rpath=
+	  rpath="$finalize_rpath"
+	  test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+	  for libdir in $rpath; do
+	    if test -n "$hardcode_libdir_flag_spec"; then
+	      if test -n "$hardcode_libdir_separator"; then
+		func_replace_sysroot "$libdir"
+		libdir=$func_replace_sysroot_result
+		if test -z "$hardcode_libdirs"; then
+		  hardcode_libdirs="$libdir"
+		else
+		  # Just accumulate the unique libdirs.
+		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		    ;;
+		  *)
+		    func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		    ;;
+		  esac
+		fi
+	      else
+		eval flag=\"$hardcode_libdir_flag_spec\"
+		func_append dep_rpath " $flag"
+	      fi
+	    elif test -n "$runpath_var"; then
+	      case "$perm_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append perm_rpath " $libdir" ;;
+	      esac
+	    fi
+	  done
+	  # Substitute the hardcoded libdirs into the rpath.
+	  if test -n "$hardcode_libdir_separator" &&
+	     test -n "$hardcode_libdirs"; then
+	    libdir="$hardcode_libdirs"
+	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
+	  fi
+	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
+	    # We should set the runpath_var.
+	    rpath=
+	    for dir in $perm_rpath; do
+	      func_append rpath "$dir:"
+	    done
+	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+	  fi
+	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+	fi
+
+	shlibpath="$finalize_shlibpath"
+	test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+	if test -n "$shlibpath"; then
+	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+	fi
+
+	# Get the real and link names of the library.
+	eval shared_ext=\"$shrext_cmds\"
+	eval library_names=\"$library_names_spec\"
+	set dummy $library_names
+	shift
+	realname="$1"
+	shift
+
+	if test -n "$soname_spec"; then
+	  eval soname=\"$soname_spec\"
+	else
+	  soname="$realname"
+	fi
+	if test -z "$dlname"; then
+	  dlname=$soname
+	fi
+
+	lib="$output_objdir/$realname"
+	linknames=
+	for link
+	do
+	  func_append linknames " $link"
+	done
+
+	# Use standard objects if they are pic
+	test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	test "X$libobjs" = "X " && libobjs=
+
+	delfiles=
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+	  export_symbols="$output_objdir/$libname.uexp"
+	  func_append delfiles " $export_symbols"
+	fi
+
+	orig_export_symbols=
+	case $host_os in
+	cygwin* | mingw* | cegcc*)
+	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+	    # exporting using user supplied symfile
+	    if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+	      # and it's NOT already a .def file. Must figure out
+	      # which of the given symbols are data symbols and tag
+	      # them as such. So, trigger use of export_symbols_cmds.
+	      # export_symbols gets reassigned inside the "prepare
+	      # the list of exported symbols" if statement, so the
+	      # include_expsyms logic still works.
+	      orig_export_symbols="$export_symbols"
+	      export_symbols=
+	      always_export_symbols=yes
+	    fi
+	  fi
+	  ;;
+	esac
+
+	# Prepare the list of exported symbols
+	if test -z "$export_symbols"; then
+	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+	    func_verbose "generating symbol list for \`$libname.la'"
+	    export_symbols="$output_objdir/$libname.exp"
+	    $opt_dry_run || $RM $export_symbols
+	    cmds=$export_symbols_cmds
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd1 in $cmds; do
+	      IFS="$save_ifs"
+	      # Take the normal branch if the nm_file_list_spec branch
+	      # doesn't work or if tool conversion is not needed.
+	      case $nm_file_list_spec~$to_tool_file_cmd in
+		*~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
+		  try_normal_branch=yes
+		  eval cmd=\"$cmd1\"
+		  func_len " $cmd"
+		  len=$func_len_result
+		  ;;
+		*)
+		  try_normal_branch=no
+		  ;;
+	      esac
+	      if test "$try_normal_branch" = yes \
+		 && { test "$len" -lt "$max_cmd_len" \
+		      || test "$max_cmd_len" -le -1; }
+	      then
+		func_show_eval "$cmd" 'exit $?'
+		skipped_export=false
+	      elif test -n "$nm_file_list_spec"; then
+		func_basename "$output"
+		output_la=$func_basename_result
+		save_libobjs=$libobjs
+		save_output=$output
+		output=${output_objdir}/${output_la}.nm
+		func_to_tool_file "$output"
+		libobjs=$nm_file_list_spec$func_to_tool_file_result
+		func_append delfiles " $output"
+		func_verbose "creating $NM input file list: $output"
+		for obj in $save_libobjs; do
+		  func_to_tool_file "$obj"
+		  $ECHO "$func_to_tool_file_result"
+		done > "$output"
+		eval cmd=\"$cmd1\"
+		func_show_eval "$cmd" 'exit $?'
+		output=$save_output
+		libobjs=$save_libobjs
+		skipped_export=false
+	      else
+		# The command line is too long to execute in one step.
+		func_verbose "using reloadable object file for export list..."
+		skipped_export=:
+		# Break out early, otherwise skipped_export may be
+		# set to false by a later but shorter cmd.
+		break
+	      fi
+	    done
+	    IFS="$save_ifs"
+	    if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+	fi
+
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  tmp_export_symbols="$export_symbols"
+	  test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	  $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	fi
+
+	if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+	  # The given exports_symbols file has to be filtered, so filter it.
+	  func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	  # 's' commands which not all seds can handle. GNU sed should be fine
+	  # though. Also, the filter scales superlinearly with the number of
+	  # global variables. join(1) would be nice here, but unfortunately
+	  # isn't a blessed tool.
+	  $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	  func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+	  export_symbols=$output_objdir/$libname.def
+	  $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	fi
+
+	tmp_deplibs=
+	for test_deplib in $deplibs; do
+	  case " $convenience " in
+	  *" $test_deplib "*) ;;
+	  *)
+	    func_append tmp_deplibs " $test_deplib"
+	    ;;
+	  esac
+	done
+	deplibs="$tmp_deplibs"
+
+	if test -n "$convenience"; then
+	  if test -n "$whole_archive_flag_spec" &&
+	    test "$compiler_needs_object" = yes &&
+	    test -z "$libobjs"; then
+	    # extract the archives, so we have objects to list.
+	    # TODO: could optimize this to just extract one archive.
+	    whole_archive_flag_spec=
+	  fi
+	  if test -n "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  else
+	    gentop="$output_objdir/${outputname}x"
+	    func_append generated " $gentop"
+
+	    func_extract_archives $gentop $convenience
+	    func_append libobjs " $func_extract_archives_result"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	fi
+
+	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+	  eval flag=\"$thread_safe_flag_spec\"
+	  func_append linker_flags " $flag"
+	fi
+
+	# Make a backup of the uninstalled library when relinking
+	if test "$opt_mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+	fi
+
+	# Do each of the archive commands.
+	if test "$module" = yes && test -n "$module_cmds" ; then
+	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	    eval test_cmds=\"$module_expsym_cmds\"
+	    cmds=$module_expsym_cmds
+	  else
+	    eval test_cmds=\"$module_cmds\"
+	    cmds=$module_cmds
+	  fi
+	else
+	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	    eval test_cmds=\"$archive_expsym_cmds\"
+	    cmds=$archive_expsym_cmds
+	  else
+	    eval test_cmds=\"$archive_cmds\"
+	    cmds=$archive_cmds
+	  fi
+	fi
+
+	if test "X$skipped_export" != "X:" &&
+	   func_len " $test_cmds" &&
+	   len=$func_len_result &&
+	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  :
+	else
+	  # The command line is too long to link in one step, link piecewise
+	  # or, if using GNU ld and skipped_export is not :, use a linker
+	  # script.
+
+	  # Save the value of $output and $libobjs because we want to
+	  # use them later.  If we have whole_archive_flag_spec, we
+	  # want to use save_libobjs as it was before
+	  # whole_archive_flag_spec was expanded, because we can't
+	  # assume the linker understands whole_archive_flag_spec.
+	  # This may have to be revisited, in case too many
+	  # convenience libraries get linked in and end up exceeding
+	  # the spec.
+	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	  fi
+	  save_output=$output
+	  func_basename "$output"
+	  output_la=$func_basename_result
+
+	  # Clear the reloadable object creation command queue and
+	  # initialize k to one.
+	  test_cmds=
+	  concat_cmds=
+	  objlist=
+	  last_robj=
+	  k=1
+
+	  if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
+	    output=${output_objdir}/${output_la}.lnkscript
+	    func_verbose "creating GNU ld script: $output"
+	    echo 'INPUT (' > $output
+	    for obj in $save_libobjs
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    echo ')' >> $output
+	    func_append delfiles " $output"
+	    func_to_tool_file "$output"
+	    output=$func_to_tool_file_result
+	  elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
+	    output=${output_objdir}/${output_la}.lnk
+	    func_verbose "creating linker input file list: $output"
+	    : > $output
+	    set x $save_libobjs
+	    shift
+	    firstobj=
+	    if test "$compiler_needs_object" = yes; then
+	      firstobj="$1 "
+	      shift
+	    fi
+	    for obj
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    func_append delfiles " $output"
+	    func_to_tool_file "$output"
+	    output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
+	  else
+	    if test -n "$save_libobjs"; then
+	      func_verbose "creating reloadable object files..."
+	      output=$output_objdir/$output_la-${k}.$objext
+	      eval test_cmds=\"$reload_cmds\"
+	      func_len " $test_cmds"
+	      len0=$func_len_result
+	      len=$len0
+
+	      # Loop over the list of objects to be linked.
+	      for obj in $save_libobjs
+	      do
+		func_len " $obj"
+		func_arith $len + $func_len_result
+		len=$func_arith_result
+		if test "X$objlist" = X ||
+		   test "$len" -lt "$max_cmd_len"; then
+		  func_append objlist " $obj"
+		else
+		  # The command $test_cmds is almost too long, add a
+		  # command to the queue.
+		  if test "$k" -eq 1 ; then
+		    # The first file doesn't have a previous command to add.
+		    reload_objs=$objlist
+		    eval concat_cmds=\"$reload_cmds\"
+		  else
+		    # All subsequent reloadable object files will link in
+		    # the last one created.
+		    reload_objs="$objlist $last_robj"
+		    eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
+		  fi
+		  last_robj=$output_objdir/$output_la-${k}.$objext
+		  func_arith $k + 1
+		  k=$func_arith_result
+		  output=$output_objdir/$output_la-${k}.$objext
+		  objlist=" $obj"
+		  func_len " $last_robj"
+		  func_arith $len0 + $func_len_result
+		  len=$func_arith_result
+		fi
+	      done
+	      # Handle the remaining objects by creating one last
+	      # reloadable object file.  All subsequent reloadable object
+	      # files will link in the last one created.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      reload_objs="$objlist $last_robj"
+	      eval concat_cmds=\"\${concat_cmds}$reload_cmds\"
+	      if test -n "$last_robj"; then
+	        eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+	      fi
+	      func_append delfiles " $output"
+
+	    else
+	      output=
+	    fi
+
+	    if ${skipped_export-false}; then
+	      func_verbose "generating symbol list for \`$libname.la'"
+	      export_symbols="$output_objdir/$libname.exp"
+	      $opt_dry_run || $RM $export_symbols
+	      libobjs=$output
+	      # Append the command to create the export file.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+	      if test -n "$last_robj"; then
+		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+	      fi
+	    fi
+
+	    test -n "$save_libobjs" &&
+	      func_verbose "creating a temporary reloadable object file: $output"
+
+	    # Loop through the commands generated above and execute them.
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd in $concat_cmds; do
+	      IFS="$save_ifs"
+	      $opt_silent || {
+		  func_quote_for_expand "$cmd"
+		  eval "func_echo $func_quote_for_expand_result"
+	      }
+	      $opt_dry_run || eval "$cmd" || {
+		lt_exit=$?
+
+		# Restore the uninstalled library and exit
+		if test "$opt_mode" = relink; then
+		  ( cd "$output_objdir" && \
+		    $RM "${realname}T" && \
+		    $MV "${realname}U" "$realname" )
+		fi
+
+		exit $lt_exit
+	      }
+	    done
+	    IFS="$save_ifs"
+
+	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+
+          if ${skipped_export-false}; then
+	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	      tmp_export_symbols="$export_symbols"
+	      test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	      $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	    fi
+
+	    if test -n "$orig_export_symbols"; then
+	      # The given exports_symbols file has to be filtered, so filter it.
+	      func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	      # 's' commands which not all seds can handle. GNU sed should be fine
+	      # though. Also, the filter scales superlinearly with the number of
+	      # global variables. join(1) would be nice here, but unfortunately
+	      # isn't a blessed tool.
+	      $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	      func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+	      export_symbols=$output_objdir/$libname.def
+	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	    fi
+	  fi
+
+	  libobjs=$output
+	  # Restore the value of output.
+	  output=$save_output
+
+	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	  # Expand the library linking commands again to reset the
+	  # value of $libobjs for piecewise linking.
+
+	  # Do each of the archive commands.
+	  if test "$module" = yes && test -n "$module_cmds" ; then
+	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	      cmds=$module_expsym_cmds
+	    else
+	      cmds=$module_cmds
+	    fi
+	  else
+	    if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	      cmds=$archive_expsym_cmds
+	    else
+	      cmds=$archive_cmds
+	    fi
+	  fi
+	fi
+
+	if test -n "$delfiles"; then
+	  # Append the command to remove temporary files to $cmds.
+	  eval cmds=\"\$cmds~\$RM $delfiles\"
+	fi
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  func_append libobjs " $func_extract_archives_result"
+	  test "X$libobjs" = "X " && libobjs=
+	fi
+
+	save_ifs="$IFS"; IFS='~'
+	for cmd in $cmds; do
+	  IFS="$save_ifs"
+	  eval cmd=\"$cmd\"
+	  $opt_silent || {
+	    func_quote_for_expand "$cmd"
+	    eval "func_echo $func_quote_for_expand_result"
+	  }
+	  $opt_dry_run || eval "$cmd" || {
+	    lt_exit=$?
+
+	    # Restore the uninstalled library and exit
+	    if test "$opt_mode" = relink; then
+	      ( cd "$output_objdir" && \
+	        $RM "${realname}T" && \
+		$MV "${realname}U" "$realname" )
+	    fi
+
+	    exit $lt_exit
+	  }
+	done
+	IFS="$save_ifs"
+
+	# Restore the uninstalled library and exit
+	if test "$opt_mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+	  if test -n "$convenience"; then
+	    if test -z "$whole_archive_flag_spec"; then
+	      func_show_eval '${RM}r "$gentop"'
+	    fi
+	  fi
+
+	  exit $EXIT_SUCCESS
+	fi
+
+	# Create links to the real library.
+	for linkname in $linknames; do
+	  if test "$realname" != "$linkname"; then
+	    func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+	  fi
+	done
+
+	# If -module or -export-dynamic was specified, set the dlname.
+	if test "$module" = yes || test "$export_dynamic" = yes; then
+	  # On all known operating systems, these are identical.
+	  dlname="$soname"
+	fi
+      fi
+      ;;
+
+    obj)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for objects"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for objects" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for objects"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for objects"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for objects"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for objects"
+
+      case $output in
+      *.lo)
+	test -n "$objs$old_deplibs" && \
+	  func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+
+	libobj=$output
+	func_lo2o "$libobj"
+	obj=$func_lo2o_result
+	;;
+      *)
+	libobj=
+	obj="$output"
+	;;
+      esac
+
+      # Delete the old objects.
+      $opt_dry_run || $RM $obj $libobj
+
+      # Objects from convenience libraries.  This assumes
+      # single-version convenience libraries.  Whenever we create
+      # different ones for PIC/non-PIC, this we'll have to duplicate
+      # the extraction.
+      reload_conv_objs=
+      gentop=
+      # reload_cmds runs $LD directly, so let us get rid of
+      # -Wl from whole_archive_flag_spec and hope we can get by with
+      # turning comma into space..
+      wl=
+
+      if test -n "$convenience"; then
+	if test -n "$whole_archive_flag_spec"; then
+	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+	  reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+	else
+	  gentop="$output_objdir/${obj}x"
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $convenience
+	  reload_conv_objs="$reload_objs $func_extract_archives_result"
+	fi
+      fi
+
+      # If we're not building shared, we need to use non_pic_objs
+      test "$build_libtool_libs" != yes && libobjs="$non_pic_objects"
+
+      # Create the old-style object.
+      reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+      output="$obj"
+      func_execute_cmds "$reload_cmds" 'exit $?'
+
+      # Exit if we aren't doing a library object file.
+      if test -z "$libobj"; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$build_libtool_libs" != yes; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	# Create an invalid libtool object if no PIC, so that we don't
+	# accidentally link it into a program.
+	# $show "echo timestamp > $libobj"
+	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+	exit $EXIT_SUCCESS
+      fi
+
+      if test -n "$pic_flag" || test "$pic_mode" != default; then
+	# Only do commands if we really have different PIC objects.
+	reload_objs="$libobjs $reload_conv_objs"
+	output="$libobj"
+	func_execute_cmds "$reload_cmds" 'exit $?'
+      fi
+
+      if test -n "$gentop"; then
+	func_show_eval '${RM}r "$gentop"'
+      fi
+
+      exit $EXIT_SUCCESS
+      ;;
+
+    prog)
+      case $host in
+	*cygwin*) func_stripname '' '.exe' "$output"
+	          output=$func_stripname_result.exe;;
+      esac
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for programs"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for programs"
+
+      test "$preload" = yes \
+        && test "$dlopen_support" = unknown \
+	&& test "$dlopen_self" = unknown \
+	&& test "$dlopen_self_static" = unknown && \
+	  func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+      case $host in
+      *-*-rhapsody* | *-*-darwin1.[012])
+	# On Rhapsody replace the C library is the System framework
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	;;
+      esac
+
+      case $host in
+      *-*-darwin*)
+	# Don't allow lazy linking, it breaks C++ global constructors
+	# But is supposedly fixed on 10.4 or later (yay!).
+	if test "$tagname" = CXX ; then
+	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+	    10.[0123])
+	      func_append compile_command " ${wl}-bind_at_load"
+	      func_append finalize_command " ${wl}-bind_at_load"
+	    ;;
+	  esac
+	fi
+	# Time to change all our "foo.ltframework" stuff back to "-framework foo"
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	;;
+      esac
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $compile_deplibs " in
+	  *" -L$path/$objdir "*)
+	    func_append new_libs " -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $compile_deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) func_append new_libs " $deplib" ;;
+	  esac
+	  ;;
+	*) func_append new_libs " $deplib" ;;
+	esac
+      done
+      compile_deplibs="$new_libs"
+
+
+      func_append compile_command " $compile_deplibs"
+      func_append finalize_command " $finalize_deplibs"
+
+      if test -n "$rpath$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	for libdir in $rpath $xrpath; do
+	  # This is the magic to use -rpath.
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_rpath " $libdir" ;;
+	  esac
+	done
+      fi
+
+      # Now hardcode the library paths
+      rpath=
+      hardcode_libdirs=
+      for libdir in $compile_rpath $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    func_append rpath " $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append perm_rpath " $libdir" ;;
+	  esac
+	fi
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$libdir:"*) ;;
+	  ::) dllsearchpath=$libdir;;
+	  *) func_append dllsearchpath ":$libdir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) func_append dllsearchpath ":$testbindir";;
+	  esac
+	  ;;
+	esac
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      compile_rpath="$rpath"
+
+      rpath=
+      hardcode_libdirs=
+      for libdir in $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    func_append rpath " $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$finalize_perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_perm_rpath " $libdir" ;;
+	  esac
+	fi
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      finalize_rpath="$rpath"
+
+      if test -n "$libobjs" && test "$build_old_libs" = yes; then
+	# Transform all the library objects into standard objects.
+	compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+      fi
+
+      func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+
+      # template prelinking step
+      if test -n "$prelink_cmds"; then
+	func_execute_cmds "$prelink_cmds" 'exit $?'
+      fi
+
+      wrappers_required=yes
+      case $host in
+      *cegcc* | *mingw32ce*)
+        # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
+        wrappers_required=no
+        ;;
+      *cygwin* | *mingw* )
+        if test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      *)
+        if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      esac
+      if test "$wrappers_required" = no; then
+	# Replace the output file specification.
+	compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	link_command="$compile_command$compile_rpath"
+
+	# We have no uninstalled library dependencies, so finalize right now.
+	exit_status=0
+	func_show_eval "$link_command" 'exit_status=$?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	# Delete the generated files.
+	if test -f "$output_objdir/${outputname}S.${objext}"; then
+	  func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+	fi
+
+	exit $exit_status
+      fi
+
+      if test -n "$compile_shlibpath$finalize_shlibpath"; then
+	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+      fi
+      if test -n "$finalize_shlibpath"; then
+	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+      fi
+
+      compile_var=
+      finalize_var=
+      if test -n "$runpath_var"; then
+	if test -n "$perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $perm_rpath; do
+	    func_append rpath "$dir:"
+	  done
+	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+	if test -n "$finalize_perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $finalize_perm_rpath; do
+	    func_append rpath "$dir:"
+	  done
+	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+      fi
+
+      if test "$no_install" = yes; then
+	# We don't need to create a wrapper script.
+	link_command="$compile_var$compile_command$compile_rpath"
+	# Replace the output file specification.
+	link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	# Delete the old output file.
+	$opt_dry_run || $RM $output
+	# Link the executable and exit
+	func_show_eval "$link_command" 'exit $?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$hardcode_action" = relink; then
+	# Fast installation is not supported
+	link_command="$compile_var$compile_command$compile_rpath"
+	relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+	func_warning "this platform does not like uninstalled shared libraries"
+	func_warning "\`$output' will be relinked during installation"
+      else
+	if test "$fast_install" != no; then
+	  link_command="$finalize_var$compile_command$finalize_rpath"
+	  if test "$fast_install" = yes; then
+	    relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+	  else
+	    # fast_install is set to needless
+	    relink_command=
+	  fi
+	else
+	  link_command="$compile_var$compile_command$compile_rpath"
+	  relink_command="$finalize_var$finalize_command$finalize_rpath"
+	fi
+      fi
+
+      # Replace the output file specification.
+      link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+      # Delete the old output files.
+      $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+      func_show_eval "$link_command" 'exit $?'
+
+      if test -n "$postlink_cmds"; then
+	func_to_tool_file "$output_objdir/$outputname"
+	postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	func_execute_cmds "$postlink_cmds" 'exit $?'
+      fi
+
+      # Now create the wrapper script.
+      func_verbose "creating $output"
+
+      # Quote the relink command for shipping.
+      if test -n "$relink_command"; then
+	# Preserve any variables that may affect compiler behavior
+	for var in $variables_saved_for_relink; do
+	  if eval test -z \"\${$var+set}\"; then
+	    relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	  elif eval var_value=\$$var; test -z "$var_value"; then
+	    relink_command="$var=; export $var; $relink_command"
+	  else
+	    func_quote_for_eval "$var_value"
+	    relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	  fi
+	done
+	relink_command="(cd `pwd`; $relink_command)"
+	relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+      fi
+
+      # Only actually do things if not in dry run mode.
+      $opt_dry_run || {
+	# win32 will think the script is a binary if it has
+	# a .exe suffix, so we strip it off here.
+	case $output in
+	  *.exe) func_stripname '' '.exe' "$output"
+	         output=$func_stripname_result ;;
+	esac
+	# test for cygwin because mv fails w/o .exe extensions
+	case $host in
+	  *cygwin*)
+	    exeext=.exe
+	    func_stripname '' '.exe' "$outputname"
+	    outputname=$func_stripname_result ;;
+	  *) exeext= ;;
+	esac
+	case $host in
+	  *cygwin* | *mingw* )
+	    func_dirname_and_basename "$output" "" "."
+	    output_name=$func_basename_result
+	    output_path=$func_dirname_result
+	    cwrappersource="$output_path/$objdir/lt-$output_name.c"
+	    cwrapper="$output_path/$output_name.exe"
+	    $RM $cwrappersource $cwrapper
+	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_cwrapperexe_src > $cwrappersource
+
+	    # The wrapper executable is built using the $host compiler,
+	    # because it contains $host paths and files. If cross-
+	    # compiling, it, like the target executable, must be
+	    # executed on the $host or under an emulation environment.
+	    $opt_dry_run || {
+	      $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+	      $STRIP $cwrapper
+	    }
+
+	    # Now, create the wrapper script for func_source use:
+	    func_ltwrapper_scriptname $cwrapper
+	    $RM $func_ltwrapper_scriptname_result
+	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+	    $opt_dry_run || {
+	      # note: this script will not be executed, so do not chmod.
+	      if test "x$build" = "x$host" ; then
+		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+	      else
+		func_emit_wrapper no > $func_ltwrapper_scriptname_result
+	      fi
+	    }
+	  ;;
+	  * )
+	    $RM $output
+	    trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_wrapper no > $output
+	    chmod +x $output
+	  ;;
+	esac
+      }
+      exit $EXIT_SUCCESS
+      ;;
+    esac
+
+    # See if we need to build an old-fashioned archive.
+    for oldlib in $oldlibs; do
+
+      if test "$build_libtool_libs" = convenience; then
+	oldobjs="$libobjs_save $symfileobj"
+	addlibs="$convenience"
+	build_libtool_libs=no
+      else
+	if test "$build_libtool_libs" = module; then
+	  oldobjs="$libobjs_save"
+	  build_libtool_libs=no
+	else
+	  oldobjs="$old_deplibs $non_pic_objects"
+	  if test "$preload" = yes && test -f "$symfileobj"; then
+	    func_append oldobjs " $symfileobj"
+	  fi
+	fi
+	addlibs="$old_convenience"
+      fi
+
+      if test -n "$addlibs"; then
+	gentop="$output_objdir/${outputname}x"
+	func_append generated " $gentop"
+
+	func_extract_archives $gentop $addlibs
+	func_append oldobjs " $func_extract_archives_result"
+      fi
+
+      # Do each command in the archive commands.
+      if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+	cmds=$old_archive_from_new_cmds
+      else
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  func_append oldobjs " $func_extract_archives_result"
+	fi
+
+	# POSIX demands no paths to be encoded in archives.  We have
+	# to avoid creating archives with duplicate basenames if we
+	# might have to extract them afterwards, e.g., when creating a
+	# static archive out of a convenience library, or when linking
+	# the entirety of a libtool archive into another (currently
+	# not supported by libtool).
+	if (for obj in $oldobjs
+	    do
+	      func_basename "$obj"
+	      $ECHO "$func_basename_result"
+	    done | sort | sort -uc >/dev/null 2>&1); then
+	  :
+	else
+	  echo "copying selected object files to avoid basename conflicts..."
+	  gentop="$output_objdir/${outputname}x"
+	  func_append generated " $gentop"
+	  func_mkdir_p "$gentop"
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  counter=1
+	  for obj in $save_oldobjs
+	  do
+	    func_basename "$obj"
+	    objbase="$func_basename_result"
+	    case " $oldobjs " in
+	    " ") oldobjs=$obj ;;
+	    *[\ /]"$objbase "*)
+	      while :; do
+		# Make sure we don't pick an alternate name that also
+		# overlaps.
+		newobj=lt$counter-$objbase
+		func_arith $counter + 1
+		counter=$func_arith_result
+		case " $oldobjs " in
+		*[\ /]"$newobj "*) ;;
+		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
+		esac
+	      done
+	      func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+	      func_append oldobjs " $gentop/$newobj"
+	      ;;
+	    *) func_append oldobjs " $obj" ;;
+	    esac
+	  done
+	fi
+	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+	tool_oldlib=$func_to_tool_file_result
+	eval cmds=\"$old_archive_cmds\"
+
+	func_len " $cmds"
+	len=$func_len_result
+	if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  cmds=$old_archive_cmds
+	elif test -n "$archiver_list_spec"; then
+	  func_verbose "using command file archive linking..."
+	  for obj in $oldobjs
+	  do
+	    func_to_tool_file "$obj"
+	    $ECHO "$func_to_tool_file_result"
+	  done > $output_objdir/$libname.libcmd
+	  func_to_tool_file "$output_objdir/$libname.libcmd"
+	  oldobjs=" $archiver_list_spec$func_to_tool_file_result"
+	  cmds=$old_archive_cmds
+	else
+	  # the command line is too long to link in one step, link in parts
+	  func_verbose "using piecewise archive linking..."
+	  save_RANLIB=$RANLIB
+	  RANLIB=:
+	  objlist=
+	  concat_cmds=
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  # Is there a better way of finding the last object in the list?
+	  for obj in $save_oldobjs
+	  do
+	    last_oldobj=$obj
+	  done
+	  eval test_cmds=\"$old_archive_cmds\"
+	  func_len " $test_cmds"
+	  len0=$func_len_result
+	  len=$len0
+	  for obj in $save_oldobjs
+	  do
+	    func_len " $obj"
+	    func_arith $len + $func_len_result
+	    len=$func_arith_result
+	    func_append objlist " $obj"
+	    if test "$len" -lt "$max_cmd_len"; then
+	      :
+	    else
+	      # the above command should be used before it gets too long
+	      oldobjs=$objlist
+	      if test "$obj" = "$last_oldobj" ; then
+		RANLIB=$save_RANLIB
+	      fi
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+	      objlist=
+	      len=$len0
+	    fi
+	  done
+	  RANLIB=$save_RANLIB
+	  oldobjs=$objlist
+	  if test "X$oldobjs" = "X" ; then
+	    eval cmds=\"\$concat_cmds\"
+	  else
+	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+	  fi
+	fi
+      fi
+      func_execute_cmds "$cmds" 'exit $?'
+    done
+
+    test -n "$generated" && \
+      func_show_eval "${RM}r$generated"
+
+    # Now create the libtool archive.
+    case $output in
+    *.la)
+      old_library=
+      test "$build_old_libs" = yes && old_library="$libname.$libext"
+      func_verbose "creating $output"
+
+      # Preserve any variables that may affect compiler behavior
+      for var in $variables_saved_for_relink; do
+	if eval test -z \"\${$var+set}\"; then
+	  relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	elif eval var_value=\$$var; test -z "$var_value"; then
+	  relink_command="$var=; export $var; $relink_command"
+	else
+	  func_quote_for_eval "$var_value"
+	  relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	fi
+      done
+      # Quote the link command for shipping.
+      relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+      if test "$hardcode_automatic" = yes ; then
+	relink_command=
+      fi
+
+      # Only create the output if not a dry run.
+      $opt_dry_run || {
+	for installed in no yes; do
+	  if test "$installed" = yes; then
+	    if test -z "$install_libdir"; then
+	      break
+	    fi
+	    output="$output_objdir/$outputname"i
+	    # Replace all uninstalled libtool libraries with the installed ones
+	    newdependency_libs=
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      *.la)
+		func_basename "$deplib"
+		name="$func_basename_result"
+		func_resolve_sysroot "$deplib"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$deplib' is not a valid libtool archive"
+		func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      -L*)
+		func_stripname -L '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		func_append newdependency_libs " -L$func_replace_sysroot_result"
+		;;
+	      -R*)
+		func_stripname -R '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		func_append newdependency_libs " -R$func_replace_sysroot_result"
+		;;
+	      *) func_append newdependency_libs " $deplib" ;;
+	      esac
+	    done
+	    dependency_libs="$newdependency_libs"
+	    newdlfiles=
+
+	    for lib in $dlfiles; do
+	      case $lib in
+	      *.la)
+	        func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      *) func_append newdlfiles " $lib" ;;
+	      esac
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+	      *.la)
+		# Only pass preopened files to the pseudo-archive (for
+		# eventual linking with the app. that links it) if we
+		# didn't already link the preopened objects directly into
+		# the library:
+		func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      esac
+	    done
+	    dlprefiles="$newdlprefiles"
+	  else
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      func_append newdlfiles " $abs"
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      func_append newdlprefiles " $abs"
+	    done
+	    dlprefiles="$newdlprefiles"
+	  fi
+	  $RM $output
+	  # place dlname in correct position for cygwin
+	  # In fact, it would be nice if we could use this code for all target
+	  # systems that can't hard-code library paths into their executables
+	  # and that have no shared library path variable independent of PATH,
+	  # but it turns out we can't easily determine that from inspecting
+	  # libtool variables, so we have to hard-code the OSs to which it
+	  # applies here; at the moment, that means platforms that use the PE
+	  # object format with DLL files.  See the long comment at the top of
+	  # tests/bindir.at for full details.
+	  tdlname=$dlname
+	  case $host,$output,$installed,$module,$dlname in
+	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
+	      # If a -bindir argument was supplied, place the dll there.
+	      if test "x$bindir" != x ;
+	      then
+		func_relative_path "$install_libdir" "$bindir"
+		tdlname=$func_relative_path_result$dlname
+	      else
+		# Otherwise fall back on heuristic.
+		tdlname=../bin/$dlname
+	      fi
+	      ;;
+	  esac
+	  $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+	  if test "$installed" = no && test "$need_relink" = yes; then
+	    $ECHO >> $output "\
+relink_command=\"$relink_command\""
+	  fi
+	done
+      }
+
+      # Do a symbolic link so that the libtool archive can be found in
+      # LD_LIBRARY_PATH before the program is installed.
+      func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+      ;;
+    esac
+    exit $EXIT_SUCCESS
+}
+
+{ test "$opt_mode" = link || test "$opt_mode" = relink; } &&
+    func_mode_link ${1+"$@"}
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+    $opt_debug
+    RM="$nonopt"
+    files=
+    rmforce=
+    exit_status=0
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    for arg
+    do
+      case $arg in
+      -f) func_append RM " $arg"; rmforce=yes ;;
+      -*) func_append RM " $arg" ;;
+      *) func_append files " $arg" ;;
+      esac
+    done
+
+    test -z "$RM" && \
+      func_fatal_help "you must specify an RM program"
+
+    rmdirs=
+
+    for file in $files; do
+      func_dirname "$file" "" "."
+      dir="$func_dirname_result"
+      if test "X$dir" = X.; then
+	odir="$objdir"
+      else
+	odir="$dir/$objdir"
+      fi
+      func_basename "$file"
+      name="$func_basename_result"
+      test "$opt_mode" = uninstall && odir="$dir"
+
+      # Remember odir for removal later, being careful to avoid duplicates
+      if test "$opt_mode" = clean; then
+	case " $rmdirs " in
+	  *" $odir "*) ;;
+	  *) func_append rmdirs " $odir" ;;
+	esac
+      fi
+
+      # Don't error if the file doesn't exist and rm -f was used.
+      if { test -L "$file"; } >/dev/null 2>&1 ||
+	 { test -h "$file"; } >/dev/null 2>&1 ||
+	 test -f "$file"; then
+	:
+      elif test -d "$file"; then
+	exit_status=1
+	continue
+      elif test "$rmforce" = yes; then
+	continue
+      fi
+
+      rmfiles="$file"
+
+      case $name in
+      *.la)
+	# Possibly a libtool archive, so verify it.
+	if func_lalib_p "$file"; then
+	  func_source $dir/$name
+
+	  # Delete the libtool libraries and symlinks.
+	  for n in $library_names; do
+	    func_append rmfiles " $odir/$n"
+	  done
+	  test -n "$old_library" && func_append rmfiles " $odir/$old_library"
+
+	  case "$opt_mode" in
+	  clean)
+	    case " $library_names " in
+	    *" $dlname "*) ;;
+	    *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;;
+	    esac
+	    test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i"
+	    ;;
+	  uninstall)
+	    if test -n "$library_names"; then
+	      # Do each command in the postuninstall commands.
+	      func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+
+	    if test -n "$old_library"; then
+	      # Do each command in the old_postuninstall commands.
+	      func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+	    # FIXME: should reinstall the best remaining shared library.
+	    ;;
+	  esac
+	fi
+	;;
+
+      *.lo)
+	# Possibly a libtool object, so verify it.
+	if func_lalib_p "$file"; then
+
+	  # Read the .lo file
+	  func_source $dir/$name
+
+	  # Add PIC object to the list of files to remove.
+	  if test -n "$pic_object" &&
+	     test "$pic_object" != none; then
+	    func_append rmfiles " $dir/$pic_object"
+	  fi
+
+	  # Add non-PIC object to the list of files to remove.
+	  if test -n "$non_pic_object" &&
+	     test "$non_pic_object" != none; then
+	    func_append rmfiles " $dir/$non_pic_object"
+	  fi
+	fi
+	;;
+
+      *)
+	if test "$opt_mode" = clean ; then
+	  noexename=$name
+	  case $file in
+	  *.exe)
+	    func_stripname '' '.exe' "$file"
+	    file=$func_stripname_result
+	    func_stripname '' '.exe' "$name"
+	    noexename=$func_stripname_result
+	    # $file with .exe has already been added to rmfiles,
+	    # add $file without .exe
+	    func_append rmfiles " $file"
+	    ;;
+	  esac
+	  # Do a test to see if this is a libtool program.
+	  if func_ltwrapper_p "$file"; then
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      relink_command=
+	      func_source $func_ltwrapper_scriptname_result
+	      func_append rmfiles " $func_ltwrapper_scriptname_result"
+	    else
+	      relink_command=
+	      func_source $dir/$noexename
+	    fi
+
+	    # note $name still contains .exe if it was in $file originally
+	    # as does the version of $file that was added into $rmfiles
+	    func_append rmfiles " $odir/$name $odir/${name}S.${objext}"
+	    if test "$fast_install" = yes && test -n "$relink_command"; then
+	      func_append rmfiles " $odir/lt-$name"
+	    fi
+	    if test "X$noexename" != "X$name" ; then
+	      func_append rmfiles " $odir/lt-${noexename}.c"
+	    fi
+	  fi
+	fi
+	;;
+      esac
+      func_show_eval "$RM $rmfiles" 'exit_status=1'
+    done
+
+    # Try to remove the ${objdir}s in the directories where we deleted files
+    for dir in $rmdirs; do
+      if test -d "$dir"; then
+	func_show_eval "rmdir $dir >/dev/null 2>&1"
+      fi
+    done
+
+    exit $exit_status
+}
+
+{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } &&
+    func_mode_uninstall ${1+"$@"}
+
+test -z "$opt_mode" && {
+  help="$generic_help"
+  func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+  func_fatal_help "invalid operation mode \`$opt_mode'"
+
+if test -n "$exec_cmd"; then
+  eval exec "$exec_cmd"
+  exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries.  Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them.  This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration.  But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
+# vi:sw=2
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size.m4
new file mode 100644
index 0000000..c30c7e8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size.m4
@@ -0,0 +1,140 @@
+# ===========================================================================
+#             http://autoconf-archive.cryp.to/ax_cache_size.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CACHE_SIZE
+#
+# DESCRIPTION
+#
+#   Find L1 and L2 caches size by reading the corresponding file on UNIX or
+#   by requesting cpuid. The results are available in the substituted variables
+#   M4RI_CPU_L1_CACHE and M4RI_CPU_L2_CACHE.
+#
+#   This macro depends on AX_GCC_X86_CPUID, AC_PROG_SED, and AX_CPU_VENDOR.
+#
+# LAST MODIFICATION
+#
+#   2011-04-11
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Christophe Tournayre <turn3r@users.sourceforge.net>
+#
+# Patched by:
+#
+#   Copyright (c) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+#   Copyright (c) 2008 Arnaud Bergeron <abergeron@gmail.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_CACHE_SIZE],
+[
+    AC_REQUIRE([AC_PROG_SED])
+    AC_REQUIRE([AX_GCC_X86_CPUID])
+    AC_REQUIRE([AX_CPU_VENDOR])
+
+    AX_CPU_VENDOR
+
+    ax_l1_size=
+    ax_l2_size=
+
+    #Check if the variable is present
+    if test -e /sys/devices/system/cpu/cpu0/cache/index0/size; then
+        for idx in `seq 0 3`; do
+            if test -e /sys/devices/system/cpu/cpu0/cache/index$idx/size ; then
+                level=`cat /sys/devices/system/cpu/cpu0/cache/index$idx/level`
+                size=`cat /sys/devices/system/cpu/cpu0/cache/index$idx/size`
+                eval CPU0\_L$level\_CACHE="$size"
+            fi
+        done
+
+        ax_l1_size=$CPU0_L1_CACHE
+        ax_l2_size=$CPU0_L2_CACHE
+        ax_l3_size=$CPU0_L3_CACHE
+
+    else
+      if test "x$ax_cv_cpu_vendor" != "xUnknown"; then
+        #Or use CPUID
+	AX_GCC_X86_CPUID(0x80000000)
+	cpu_exthigh=`echo $ax_cv_gcc_x86_cpuid_0x80000000 | cut -d ":" -f 1`
+	if test "x$cpu_exthi" > "x80000004"; then
+          AX_GCC_X86_CPUID(0x80000005) # For L1 cache
+          l1_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000005 | cut -d ":" -f 4`
+          ax_l1_size=$((0x$l1_hexval >> 24))
+        fi
+
+	if test "x$cpu_exthi" > "x80000005"; then
+          AX_GCC_X86_CPUID(0x80000006) # For L2 cache
+          l2_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000006 | cut -d ":" -f 3`
+          ax_l2_size=$((0x$l2_hexval >> 16))
+        fi
+
+	if test "x$cpu_exthi" > "x80000005"; then
+          AX_GCC_X86_CPUID(0x80000006) # For L3 cache
+          l2_hexval=`echo $ax_cv_gcc_x86_cpuid_0x80000006 | cut -d ":" -f 4`
+          ax_l2_size=$((0x$l2_hexval >> 18))*512
+        fi
+
+      fi
+
+      #Or use sysctl
+      sysctl_exe=
+      if test -x /usr/sbin/sysctl ; then
+	sysctl_exe=/usr/sbin/sysctl
+      elif test -x /sbin/sysctl ; then
+	sysctl_exe=/sbin/sysctl
+      fi
+      if test -n "$sysctl_exe"; then
+	if test -z "$ax_l2_size" -o "$ax_l2_size" = "0"; then
+          sysctl_out=`$sysctl_exe -n hw.l2cachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+            ax_l2_size=$(($sysctl_out / 1024))
+          fi;
+
+	fi
+	if test -z "$ax_l1_size" -o "$ax_l1_size" = "0" ; then
+          sysctl_out=`$sysctl_exe -n hw.l1dcachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+  	    ax_l1_size=$(($sysctl_out / 1024))
+          fi;
+	fi
+	if test -z "$ax_l1_size" -o "ax_l1_size" = "0" ; then
+          sysctl_out=`$sysctl_exe -n hw.l1cachesize 2>/dev/null`;
+          if test ! -z "$sysctl_out"; then
+             ax_l1_size=$(($sysctl_out / 1024))
+          fi;
+        fi
+      fi
+    fi
+
+    test -z "$ax_l1_size" && ax_l1_size=0
+    test -z "$ax_l2_size" && ax_l2_size=0
+    test -z "$ax_l3_size" && ax_l3_size=$ax_l2_size
+
+    # Keep only digits if there is a unit (ie 1024K -> 1024) and convert in Bytes
+    AC_MSG_CHECKING(the L1 cache size)
+    ax_l1_size=`echo $ax_l1_size | $SED 's/\([[0-9]]\)[[A-Za-z]]$/\1/g'`
+    ax_l1_size=$(($ax_l1_size*1024))
+    AC_MSG_RESULT( $ax_l1_size Bytes)
+
+    AC_MSG_CHECKING(the L2 cache size)
+    ax_l2_size=`echo $ax_l2_size | $SED 's/\([[0-9]]\)[[A-Za-z]]$/\1/g'`
+    ax_l2_size=$(($ax_l2_size*1024))
+    AC_MSG_RESULT( $ax_l2_size Bytes)
+
+    AC_MSG_CHECKING(the L3 cache size)
+    ax_l3_size=`echo $ax_l3_size | $SED 's/\([[0-9]]\)[[A-Za-z]]$/\1/g'`
+    ax_l3_size=$(($ax_l3_size*1024))
+    AC_MSG_RESULT( $ax_l3_size Bytes)
+
+    M4RI_CPU_L1_CACHE=${ax_l1_size}
+    M4RI_CPU_L2_CACHE=${ax_l2_size}
+    M4RI_CPU_L3_CACHE=${ax_l3_size}
+    AC_SUBST(M4RI_CPU_L1_CACHE)
+    AC_SUBST(M4RI_CPU_L2_CACHE)
+    AC_SUBST(M4RI_CPU_L3_CACHE)
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size_tune.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size_tune.m4
new file mode 100644
index 0000000..303db93
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cache_size_tune.m4
@@ -0,0 +1,196 @@
+# SYNOPSIS
+#
+#   AX_CACHE_SIZE_TUNE
+#
+# DESCRIPTION
+#
+#   Find L1, L2, L3 caches size by running some timing experiments.
+#   The results are available in the defines __M4RI_CPU_L1_CACHE,
+#   __M4RI_CPU_L2_CACHE and __M4RI_CPU_L3_CACHE.
+#
+#   This macro depends on AC_PROG_SED, AC_PROG_CC.
+#
+# LAST MODIFICATION
+#
+#   2011-04-11
+#
+# COPYLEFT
+#
+#   Copyright (c) 2009,2010 Martin Albrecht <martinralbrecht@googlemail.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_CACHE_SIZE_TUNE],
+[ AC_REQUIRE([AC_PROG_CC])
+  AC_REQUIRE([AC_PROG_SED])
+
+  AC_LANG_PUSH([C])
+  AC_CACHE_CHECK(for cache sizes, ax_cv_cache_sizes,
+  [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <time.h>
+#include <sys/time.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+double walltime(double t0) {
+  double mic, time;
+  double mega = 0.000001;
+  struct timeval tp;
+  static long base_sec = 0;
+  static long base_usec = 0;
+
+  (void) gettimeofday(&tp,NULL);
+  if (base_sec == 0) {
+    base_sec = tp.tv_sec;
+    base_usec = tp.tv_usec;
+  }
+
+  time = (double) (tp.tv_sec - base_sec);
+  mic = (double) (tp.tv_usec - base_usec);
+  time = (time + mic * mega) - t0;
+  return(time);
+}
+
+double run_experiment(size_t size, size_t trials) {
+  size_t i,j;
+  unsigned long *a = (unsigned long*)malloc(size/4);
+  unsigned long *b = (unsigned long*)malloc(size/4);
+  unsigned long *c = (unsigned long*)malloc(size/4);
+  unsigned long *d = (unsigned long*)malloc(size/4);
+
+  size_t n = size/4/(sizeof(unsigned long));
+
+  /* we setup a lookup table with a random-ish pattern */
+  a[0] = 1337;
+  b[0] = 5345345;
+  for(j=1; j<n ; j++) {
+    a[j] = a[j-1] * 1073741827;
+    a[j-1] %= n;
+    b[j] = b[j-1] * 1073741827;
+    b[j-1] %= n;
+  }
+  a[n-1] %= n;
+  b[n-1] %= n;
+
+  double wt = walltime(0.0);
+  clock_t ct = clock();
+  for(i=0; i<trials; i++) {
+    for(j=0; j<n; j+=8) {
+      d[b[j+0]] = c[a[j+0]];
+      d[b[j+1]] = c[a[j+1]];
+      d[b[j+2]] = c[a[j+2]];
+      d[b[j+3]] = c[a[j+3]];
+      d[b[j+4]] = c[a[j+4]];
+      d[b[j+5]] = c[a[j+5]];
+      d[b[j+6]] = c[a[j+6]];
+      d[b[j+7]] = c[a[j+7]];
+    }
+  }
+  ct = clock() - ct;
+  wt = walltime(wt);
+  free(a);
+  free(b);
+  free(c);
+  free(d);
+  return (double)wt;
+}
+
+
+#define NUMBER_OF_EXPERIMENTS 8
+
+size_t cache_size(const size_t *candidates, const size_t n, size_t trials) {
+  double times[NUMBER_OF_EXPERIMENTS][n];
+  double dtimes[NUMBER_OF_EXPERIMENTS][n];
+  size_t i,j;
+  double wt, result;
+
+
+  for(j=0; j<NUMBER_OF_EXPERIMENTS; j++) {
+    size_t mult  = 1;
+    size_t _trials = trials;
+    run_experiment(candidates[0]*1024,_trials);
+    wt = walltime(0.0);
+    times[j][0] = run_experiment(candidates[0]*1024,_trials);
+    wt = walltime(wt);
+    dtimes[j][0] = 1.0;
+    printf("s: %5zu, rx: %6.2f, x: %6.2f, wt: %6.2f, dx:    NaN\n",candidates[0],times[j][0],times[j][0],wt);
+    fflush(NULL);
+
+    for(i=1;i<n;i++) {
+      run_experiment(candidates[i]*1024,_trials);
+      wt = walltime(0.0);
+      result = run_experiment(candidates[i]*1024,_trials);
+      wt = walltime(wt);
+      times[j][i] = mult*result;
+      dtimes[j][i] = candidates[i-1]*times[j][i]/times[j][i-1]/candidates[i];
+
+      printf("s: %5zu, rx: %6.2f, x: %6.2f, wt: %6.2f, dx: %6.2f\n",candidates[i],result,times[j][i],wt,dtimes[j][i]);
+      fflush(NULL);
+
+      while(wt > 0.25) {
+        _trials = _trials/2;
+        mult = 2*mult;
+        wt /= 2.0;
+        result /= 2.0;
+      }
+    }
+    printf("\n");
+  }
+  for(i=0;i<n;i++) {
+    double tmp = 0.0;
+    for(j=0; j<NUMBER_OF_EXPERIMENTS; j++) {
+      tmp += dtimes[j][i];
+    }
+    dtimes[0][i] = tmp/NUMBER_OF_EXPERIMENTS;
+  }
+
+  size_t max = 1;
+  for(i=1;i<n;i++){
+    if (dtimes[0][i] > dtimes[0][max] ) {
+      max = i;
+    }
+  }
+  return candidates[max-1];
+}
+      ]],
+      [[
+  const size_t c1[] = {   4,   8,  16,  32,  64, 128};
+  const size_t c2[] = { 128, 256, 512};
+  const size_t c3[] = {1024,1536,2048,3072,4096,6144,8192,16384,32768};
+
+  FILE *f;
+  printf("\n");
+  size_t _l1 = cache_size(c1,  6, 1ULL<<15);
+  size_t _l2 = cache_size(c2,  3, 1ULL<<12);
+  size_t _l3 = cache_size(c3,  9, 1ULL<< 9);
+
+  f = fopen("conftest_cache_sizes", "w"); if (!f) return 1;
+  fprintf(f,"%lu:%lu:%lu\n",(unsigned long)(_l1*1024),(unsigned long)(_l2*1024),(unsigned long)(_l3*1024));
+  fclose(f);
+  return 0;
+   ]])],
+    [ax_cv_cache_sizes=`cat conftest_cache_sizes`; rm -f conftest_cache_sizes],
+    [ax_cv_cache_sizes=unknown; rm -f conftest_cache_sizes],
+    [ax_cv_cache_sizes=unknown])])
+  AC_LANG_POP([C])
+  AC_MSG_CHECKING(the L1 cache size)
+  ax_l1_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 1`
+  AC_MSG_RESULT( $ax_l1_size Bytes)
+
+  AC_MSG_CHECKING(the L2 cache size)
+  ax_l2_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 2`
+  AC_MSG_RESULT( $ax_l2_size Bytes)
+
+  AC_MSG_CHECKING(the L3 cache size)
+  ax_l3_size=`echo $ax_cv_cache_sizes | cut -d ':' -f 3`
+  AC_MSG_RESULT( $ax_l3_size Bytes)
+
+  M4RI_CPU_L1_CACHE=${ax_l1_size}
+  M4RI_CPU_L2_CACHE=${ax_l2_size}
+  M4RI_CPU_L3_CACHE=${ax_l3_size}
+  AC_SUBST(M4RI_CPU_L1_CACHE)
+  AC_SUBST(M4RI_CPU_L2_CACHE)
+  AC_SUBST(M4RI_CPU_L3_CACHE)
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_check_compiler_flags.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_check_compiler_flags.m4
new file mode 100644
index 0000000..548c785
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_check_compiler_flags.m4
@@ -0,0 +1,78 @@
+# ===========================================================================
+#        http://autoconf-archive.cryp.to/ax_check_compiler_flags.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CHECK_COMPILER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE])
+#
+# DESCRIPTION
+#
+#   Check whether the given compiler FLAGS work with the current language's
+#   compiler, or whether they give an error. (Warnings, however, are
+#   ignored.)
+#
+#   ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+#   success/failure.
+#
+# LAST MODIFICATION
+#
+#   2008-04-12
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
+#   Copyright (c) 2008 Matteo Frigo
+#
+#   This program is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Macro Archive. When you make and
+#   distribute a modified version of the Autoconf Macro, you may extend this
+#   special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AX_CHECK_COMPILER_FLAGS],
+[AC_PREREQ(2.59) dnl for _AC_LANG_PREFIX
+AC_MSG_CHECKING([whether _AC_LANG compiler accepts $1])
+dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname:
+AS_LITERAL_IF([$1],
+  [AC_CACHE_VAL(AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1), [
+      ax_save_FLAGS=$[]_AC_LANG_PREFIX[]FLAGS
+      _AC_LANG_PREFIX[]FLAGS="$1"
+      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
+        AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1)=yes,
+        AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1)=no)
+      _AC_LANG_PREFIX[]FLAGS=$ax_save_FLAGS])],
+  [ax_save_FLAGS=$[]_AC_LANG_PREFIX[]FLAGS
+   _AC_LANG_PREFIX[]FLAGS="$1"
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
+     eval AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1)=yes,
+     eval AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1)=no)
+   _AC_LANG_PREFIX[]FLAGS=$ax_save_FLAGS])
+eval ax_check_compiler_flags=$AS_TR_SH(ax_cv_[]_AC_LANG_ABBREV[]_flags_$1)
+AC_MSG_RESULT($ax_check_compiler_flags)
+if test "x$ax_check_compiler_flags" = xyes; then
+        m4_default([$2], :)
+else
+        m4_default([$3], :)
+fi
+])dnl AX_CHECK_COMPILER_FLAGS
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_cpu_vendor.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cpu_vendor.m4
new file mode 100644
index 0000000..9c6bf53
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_cpu_vendor.m4
@@ -0,0 +1,65 @@
+# ===========================================================================
+#             http://autoconf-archive.cryp.to/ax_cpu_vendor.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CPU_VENDOR
+#
+# DESCRIPTION
+#
+#   Find your CPU's vendor by requesting cpuid and define "ax_cv_cpu_vendor"
+#   accordingly. This macro depends on AX_GCC_X86_CPUID.
+#
+# LAST MODIFICATION
+#
+#   2008-04-12
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Christophe Tournayre <turn3r@users.sourceforge.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_CPU_VENDOR],
+[
+ AC_REQUIRE([AX_GCC_X86_CPUID])
+ AX_GCC_X86_CPUID(0x0)
+
+ AC_CACHE_CHECK(for the processor vendor, ax_cv_cpu_vendor,
+ [
+   vendor=`echo $ax_cv_gcc_x86_cpuid_0x0 | cut -d ":" -f 2`
+
+   case $vendor in
+     756e6547*)
+       ax_cv_cpu_vendor="Intel"
+       ;;
+     68747541*)
+       ax_cv_cpu_vendor="AMD"
+       ;;
+     69727943*)
+       ax_cv_cpu_vendor="Cyrix"
+       ;;
+     746e6543*)
+       ax_cv_cpu_vendor="IDT"
+       ;;
+     646f6547*)
+       ax_cv_cpu_vendor="Natsemi Geode"
+       ;;
+     52697365*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     65736952*)
+       ax_cv_cpu_vendor="Rise"
+       ;;
+     20536953*)
+       ax_cv_cpu_vendor="SiS"
+       ;;
+     *)
+       ax_cv_cpu_vendor="Unknown"
+       ;;
+   esac
+ ])
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_ext.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_ext.m4
new file mode 100644
index 0000000..2945eb2
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_ext.m4
@@ -0,0 +1,109 @@
+# ===========================================================================
+#                 http://autoconf-archive.cryp.to/ax_ext.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_EXT
+#
+# DESCRIPTION
+#
+/#   Find supported SIMD extensions by requesting cpuid. When an SIMD
+#   extension is found, the -m"simdextensionname" is added to SIMD_CFLAGS
+#   (only if compilator support it) (ie : if "sse2" is available "-msse2" is
+#   added to SIMD_CFLAGS)
+#
+#   This macro calls:
+#
+#     AC_SUBST(SIMD_CFLAGS)
+#
+#   And defines:
+#
+#     HAVE_MMX / HAVE_SSE / HAVE_SSE2 / HAVE_SSE3 / HAVE_SSSE3
+#
+# LAST MODIFICATION
+#
+#   2008-04-12
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Christophe Tournayre <turn3r@users.sourceforge.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_EXT],
+[
+  #AC_REQUIRE([AX_GCC_X86_CPUID])
+
+  AX_GCC_X86_CPUID(0x00000001)
+  ecx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 3`
+  edx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 4`
+
+ AC_CACHE_CHECK([whether mmx is supported], [ax_cv_have_mmx_ext],
+  [
+    ax_cv_have_mmx_ext=no
+    if test "$((0x$edx>>23&0x01))" = 1; then
+      ax_cv_have_mmx_ext=yes
+    fi
+  ])
+
+ AC_CACHE_CHECK([whether sse is supported], [ax_cv_have_sse_ext],
+  [
+    ax_cv_have_sse_ext=no
+    if test "$((0x$edx>>25&0x01))" = 1; then
+      ax_cv_have_sse_ext=yes
+    fi
+  ])
+
+ AC_CACHE_CHECK([whether sse2 is supported], [ax_cv_have_sse2_ext],
+  [
+    ax_cv_have_sse2_ext=no
+    if test "$((0x$edx>>26&0x01))" = 1; then
+      ax_cv_have_sse2_ext=yes
+    fi
+  ])
+
+ AC_CACHE_CHECK([whether sse3 is supported], [ax_cv_have_sse3_ext],
+  [
+    ax_cv_have_sse3_ext=no
+    if test "$((0x$ecx&0x01))" = 1; then
+      ax_cv_have_sse3_ext=yes
+    fi
+  ])
+
+ AC_CACHE_CHECK([whether ssse3 is supported], [ax_cv_have_ssse3_ext],
+  [
+    ax_cv_have_ssse3_ext=no
+    if test "$((0x$ecx>>9&0x01))" = 1; then
+      ax_cv_have_ssse3_ext=yes
+    fi
+  ])
+
+  if test "$ax_cv_have_mmx_ext" = yes; then
+    AC_DEFINE(HAVE_MMX,,[Support mmx instructions])
+    AX_CHECK_COMPILER_FLAGS(-mmmx, SIMD_CFLAGS="$SIMD_CFLAGS -mmmx", [])
+  fi
+
+  if test "$ax_cv_have_sse_ext" = yes; then
+    AC_DEFINE(HAVE_SSE,,[Support SSE (Streaming SIMD Extensions) instructions])
+    AX_CHECK_COMPILER_FLAGS(-msse, SIMD_CFLAGS="$SIMD_CFLAGS -msse", [])
+  fi
+
+  if test "$ax_cv_have_sse2_ext" = yes; then
+    AC_DEFINE(HAVE_SSE2,,[Support SSE2 (Streaming SIMD Extensions 2) instructions])
+    AX_CHECK_COMPILER_FLAGS(-msse2, SIMD_CFLAGS="$SIMD_CFLAGS -msse2", [])
+  fi
+
+  if test "$ax_cv_have_sse3_ext" = yes; then
+    AC_DEFINE(HAVE_SSE3,,[Support SSE3 (Streaming SIMD Extensions 3) instructions])
+    AX_CHECK_COMPILER_FLAGS(-msse3, SIMD_CFLAGS="$SIMD_CFLAGS -msse3", [])
+  fi
+
+  if test "$ax_cv_have_ssse3_ext" = yes; then
+    AC_DEFINE(HAVE_SSSE3,,[Support SSSE3 (Supplemental Streaming SIMD Extensions 3) instructions])
+  fi
+
+  AC_SUBST(SIMD_CFLAGS)
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_func_posix_memalign.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_func_posix_memalign.m4
new file mode 100644
index 0000000..b6ded10
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_func_posix_memalign.m4
@@ -0,0 +1,51 @@
+# ===========================================================================
+#  http://www.gnu.org/software/autoconf-archive/ax_func_posix_memalign.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_FUNC_POSIX_MEMALIGN
+#
+# DESCRIPTION
+#
+#   Some versions of posix_memalign (notably glibc 2.2.5) incorrectly apply
+#   their power-of-two check to the size argument, not the alignment
+#   argument. AX_FUNC_POSIX_MEMALIGN defines HAVE_POSIX_MEMALIGN if the
+#   power-of-two check is correctly applied to the alignment argument.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Scott Pakin <pakin@uiuc.edu>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 7
+
+AC_DEFUN([AX_FUNC_POSIX_MEMALIGN],
+[AC_CACHE_CHECK([for working posix_memalign],
+  [ax_cv_func_posix_memalign_works],
+  [AC_TRY_RUN([
+#include <stdlib.h>
+
+int
+main ()
+{
+  void *buffer;
+
+  /* Some versions of glibc incorrectly perform the alignment check on
+   * the size word. */
+  exit (posix_memalign (&buffer, sizeof(void *), 123) != 0);
+}
+    ],
+    [ax_cv_func_posix_memalign_works=yes],
+    [ax_cv_func_posix_memalign_works=no],
+    [ax_cv_func_posix_memalign_works=no])])
+if test "$ax_cv_func_posix_memalign_works" = "yes" ; then
+  AC_DEFINE([HAVE_POSIX_MEMALIGN], [1],
+    [Define to 1 if `posix_memalign' works.])
+fi
+])
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_gcc_x86_cpuid.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_gcc_x86_cpuid.m4
new file mode 100644
index 0000000..a606537
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_gcc_x86_cpuid.m4
@@ -0,0 +1,91 @@
+# ===========================================================================
+#            http://autoconf-archive.cryp.to/ax_gcc_x86_cpuid.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_GCC_X86_CPUID(OP)
+#
+# DESCRIPTION
+#
+#   On Pentium and later x86 processors, with gcc or a compiler that has a
+#   compatible syntax for inline assembly instructions, run a small program
+#   that executes the cpuid instruction with input OP. This can be used to
+#   detect the CPU type.
+#
+#   On output, the values of the eax, ebx, ecx, and edx registers are stored
+#   as hexadecimal strings as "eax:ebx:ecx:edx" in the cache variable
+#   ax_cv_gcc_x86_cpuid_OP.
+#
+#   If the cpuid instruction fails (because you are running a
+#   cross-compiler, or because you are not using gcc, or because you are on
+#   a processor that doesn't have this instruction), ax_cv_gcc_x86_cpuid_OP
+#   is set to the string "unknown".
+#
+#   This macro mainly exists to be used in AX_GCC_ARCHFLAG.
+#
+# LAST MODIFICATION
+#
+#   2008-04-12
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
+#   Copyright (c) 2008 Matteo Frigo
+#
+#   This program is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Macro Archive. When you make and
+#   distribute a modified version of the Autoconf Macro, you may extend this
+#   special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AX_GCC_X86_CPUID],
+[AC_REQUIRE([AC_PROG_CC])
+AC_LANG_PUSH([C])
+AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1,
+ [AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [
+     int op = $1+0, eax, ebx, ecx, edx;
+     FILE *f;
+     /* 64-bit code is easy */
+     if (sizeof(long) == 8) {
+        __asm__("cpuid"
+                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     } else {
+        __asm__("pushl %%ebx    \n\t"
+	        "cpuid          \n\t"
+	        "movl %%ebx, %1 \n\t"
+	        "popl %%ebx     \n\t"
+                : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+                : "a" (op));
+     }
+     f = fopen("conftest_cpuid", "w"); if (!f) return 1;
+     fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
+     fclose(f);
+     return 0;
+])],
+     [ax_cv_gcc_x86_cpuid_$1=`cat conftest_cpuid`; rm -f conftest_cpuid],
+     [ax_cv_gcc_x86_cpuid_$1=unknown; rm -f conftest_cpuid],
+     [ax_cv_gcc_x86_cpuid_$1=unknown])])
+AC_LANG_POP([C])
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_header.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_header.m4
new file mode 100644
index 0000000..9ab24df
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_header.m4
@@ -0,0 +1,68 @@
+#
+# SYNOPSIS
+#
+#   AX_GUESS_PATH_HEADER([foo.h])
+#
+# DESCRIPTION
+#
+#   Search for header foo.h in -Ipath's found in CPPFLAGS and CFLAGS and set FOO_H_PATH to
+#   the full directory path where foo.h was found.
+#   If no header is found in the paths given in CPPFLAGS and CFLAGS, then lastly it looks in /usr/local/include.
+#
+# LAST MODIFICATION
+#
+#   2011-04-11
+#
+# COPYLEFT
+#
+#   Copyright (c) 2011 Carlo Wood <carlo@alinoe.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_GUESS_PATH_HEADER],
+[
+    function cw_search_header_path
+    {
+      n=2
+      while test $n -le [$]#; do
+	eval arg=\$"$n"
+	case "$arg" in
+	  -I*)
+	    path="`echo "$arg" | sed -e 's/-I//'`"
+	    if test -e "$path/$1"; then
+	      echo "$path"
+	      return
+	    fi
+	    ;;
+	esac
+	n=$((n+1))
+      done
+      if test -e "/usr/local/include/$1"; then
+        echo "/usr/local/include"
+      fi
+    }
+
+    have_realpath=`which realpath`
+
+    cw_headername_uppercase=`echo "m4_toupper([$1])" | sed -e 's/[[^A-Z]]/_/g'`
+    AC_CACHE_CHECK([if we can find [$1]], [cw_cv_"$[]cw_headername_uppercase"_path],
+    [
+      cw_header_path=`eval cw_search_header_path [$1] $CPPFLAGS $CFLAGS`
+      if test -n "$cw_header_path"; then
+        if test "x$have_realpath" != "x"; then
+            eval cw_cv_"$cw_headername_uppercase"_path=`realpath -s "$cw_header_path"`
+        else
+            eval cw_cv_"$cw_headername_uppercase"_path="$cw_header_path"
+        fi
+      else
+        eval cw_cv_"$cw_headername_uppercase"_path="no"
+      fi
+    ])
+    if eval test \"\$cw_cv_"$cw_headername_uppercase"_path\" = "no"; then
+      eval "$cw_headername_uppercase"_PATH=""
+    else
+      eval "$cw_headername_uppercase"_PATH=\"\$cw_cv_"$cw_headername_uppercase"_path\"
+    fi
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_lib.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_lib.m4
new file mode 100644
index 0000000..ee1e3e3
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_guess_path_lib.m4
@@ -0,0 +1,68 @@
+#
+# SYNOPSIS
+#
+#   AX_GUESS_PATH_LIB([foo])
+#
+# DESCRIPTION
+#
+#   Search for library foo in -Lpath's found in LDFLAGS and set LIBFOO_PATH to
+#   the full directory path where libfoo.so was found.
+#   If no library is found in paths given in LDFLAGS, then lastly it looks in /usr/local/lib.
+#
+# LAST MODIFICATION
+#
+#   2011-04-11
+#
+# COPYLEFT
+#
+#   Copyright (c) 2011 Carlo Wood <carlo@alinoe.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_GUESS_PATH_LIB],
+[
+    function cw_search_library_path
+    {
+      n=2
+      while test $n -le [$]#; do
+	eval arg=\$"$n"
+	case "$arg" in
+	  -L*)
+	    path="`echo "$arg" | sed -e 's/-L//'`"
+	    if test -e "$path/lib$1.so"; then
+	      echo "$path"
+	      return
+	    fi
+	    ;;
+	esac
+	n=$((n+1))
+      done
+      if test -e "/usr/local/lib/lib$1.so"; then
+        echo "/usr/local/lib"
+      fi
+    }
+
+    have_realpath=`which realpath`
+
+    cw_libname_uppercase="m4_toupper([$1])"
+    AC_CACHE_CHECK([if we can find lib[$1].so], [cw_cv_lib"$[]cw_libname_uppercase"_path],
+    [
+      cw_library_path=`eval cw_search_library_path [$1] $LDFLAGS`
+      if test -n "$cw_library_path"; then
+        if test "x$have_realpath" != "x"; then
+           eval cw_cv_lib"$cw_libname_uppercase"_path=`realpath -s "$cw_library_path"`
+         else
+           eval cw_cv_lib"$cw_libname_uppercase"_path="$cw_library_path"
+        fi
+      else
+        eval cw_cv_lib"$cw_libname_uppercase"_path="no"
+      fi
+    ])
+    if eval test \"\$cw_cv_lib"$cw_libname_uppercase"_path\" = "no"; then
+      eval LIB"$cw_libname_uppercase"_PATH=""
+    else
+      eval LIB"$cw_libname_uppercase"_PATH=\"\$cw_cv_lib"$cw_libname_uppercase"_path\"
+    fi
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ax_openmp.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ax_openmp.m4
new file mode 100644
index 0000000..b50cb16
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ax_openmp.m4
@@ -0,0 +1,101 @@
+# ===========================================================================
+#               http://autoconf-archive.cryp.to/ax_openmp.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_OPENMP([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+#
+# DESCRIPTION
+#
+#   This macro tries to find out how to compile programs that use OpenMP a
+#   standard API and set of compiler directives for parallel programming
+#   (see http://www-unix.mcs/)
+#
+#   On success, it sets the OPENMP_CFLAGS/OPENMP_CXXFLAGS/OPENMP_F77FLAGS
+#   output variable to the flag (e.g. -omp) used both to compile *and* link
+#   OpenMP programs in the current language.
+#
+#   NOTE: You are assumed to not only compile your program with these flags,
+#   but also link it with them as well.
+#
+#   If you want to compile everything with OpenMP, you should set:
+#
+#       CFLAGS="$CFLAGS $OPENMP_CFLAGS"
+#       #OR#  CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
+#       #OR#  FFLAGS="$FFLAGS $OPENMP_FFLAGS"
+#
+#   (depending on the selected language).
+#
+#   The user can override the default choice by setting the corresponding
+#   environment variable (e.g. OPENMP_CFLAGS).
+#
+#   ACTION-IF-FOUND is a list of shell commands to run if an OpenMP flag is
+#   found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it is
+#   not found. If ACTION-IF-FOUND is not specified, the default action will
+#   define HAVE_OPENMP.
+#
+# LAST MODIFICATION
+#
+#   2008-04-12
+#
+# COPYLEFT
+#
+#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
+#
+#   This program is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Macro Archive. When you make and
+#   distribute a modified version of the Autoconf Macro, you may extend this
+#   special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AX_OPENMP], [
+AC_PREREQ(2.59) dnl for _AC_LANG_PREFIX
+
+AC_CACHE_CHECK([for OpenMP flag of _AC_LANG compiler], ax_cv_[]_AC_LANG_ABBREV[]_openmp, [save[]_AC_LANG_PREFIX[]FLAGS=$[]_AC_LANG_PREFIX[]FLAGS
+ax_cv_[]_AC_LANG_ABBREV[]_openmp=unknown
+# Flags to try:  -fopenmp (gcc), -openmp (icc), -mp (SGI & PGI),
+#                -xopenmp (Sun), -omp (Tru64), -qsmp=omp (AIX), none
+ax_openmp_flags="-fopenmp -openmp -mp -xopenmp -omp -qsmp=omp none"
+if test "x$OPENMP_[]_AC_LANG_PREFIX[]FLAGS" != x; then
+  ax_openmp_flags="$OPENMP_[]_AC_LANG_PREFIX[]FLAGS $ax_openmp_flags"
+fi
+for ax_openmp_flag in $ax_openmp_flags; do
+  case $ax_openmp_flag in
+    none) []_AC_LANG_PREFIX[]FLAGS=$save[]_AC_LANG_PREFIX[] ;;
+    *) []_AC_LANG_PREFIX[]FLAGS="$save[]_AC_LANG_PREFIX[]FLAGS $ax_openmp_flag" ;;
+  esac
+  AC_TRY_LINK_FUNC(omp_set_num_threads,
+	[ax_cv_[]_AC_LANG_ABBREV[]_openmp=$ax_openmp_flag; break])
+done
+[]_AC_LANG_PREFIX[]FLAGS=$save[]_AC_LANG_PREFIX[]FLAGS
+])
+if test "x$ax_cv_[]_AC_LANG_ABBREV[]_openmp" = "xunknown"; then
+  m4_default([$2],:)
+else
+  if test "x$ax_cv_[]_AC_LANG_ABBREV[]_openmp" != "xnone"; then
+    OPENMP_[]_AC_LANG_PREFIX[]FLAGS=$ax_cv_[]_AC_LANG_ABBREV[]_openmp
+  fi
+  m4_default([$1], [AC_DEFINE(HAVE_OPENMP,1,[Define if OpenMP is enabled])])
+fi
+])dnl AX_OPENMP
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/libtool.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/libtool.m4
new file mode 100644
index 0000000..d7c043f
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/libtool.m4
@@ -0,0 +1,7997 @@
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+#                 Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+#                 Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+])
+
+# serial 57 LT_INIT
+
+
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
+
+
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
+
+
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT
+AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
+
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
+
+_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
+
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ltmain"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+_LT_SETUP
+
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
+
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+m4_defun([_LT_CC_BASENAME],
+[for cc_temp in $1""; do
+  case $cc_temp in
+    compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+    distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+])
+
+
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test "X${COLLECT_NAMES+set}" != Xset; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from `configure', and `config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# `config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain="$ac_aux_dir/ltmain.sh"
+])# _LT_PROG_LTMAIN
+
+
+## ------------------------------------- ##
+## Accumulate code for creating libtool. ##
+## ------------------------------------- ##
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the `libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+## ------------------------ ##
+## FIXME: Eliminate VARNAME ##
+## ------------------------ ##
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to `config.status' so that its
+# declaration there will have the same value as in `configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags="_LT_TAGS"dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into `config.status', and then the shell code to quote escape them in
+# for loops in `config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable.  If COMMENT is supplied, it is inserted after the
+# `#!' sequence but before initialization text begins.  After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script.  The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test $lt_write_fail = 0 && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+\`$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
+
+Report bugs to <bug-libtool@gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test $[#] != 0
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
+
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try \`$[0] --help' for more information.]) ;;
+
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try \`$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
+
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test "$silent" = yes &&
+  lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options which allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}" ; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile="${ofile}T"
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+  _LT_PROG_LTMAIN
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+  _LT_PROG_REPLACE_SHELLFNS
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    TIMESTAMP='$TIMESTAMP'
+    RM='$RM'
+    ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+  [C],			[_LT_LANG(C)],
+  [C++],		[_LT_LANG(CXX)],
+  [Go],			[_LT_LANG(GO)],
+  [Java],		[_LT_LANG(GCJ)],
+  [Fortran 77],		[_LT_LANG(F77)],
+  [Fortran],		[_LT_LANG(FC)],
+  [Windows Resource],	[_LT_LANG(RC)],
+  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+    [_LT_LANG($1)],
+    [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+  [LT_SUPPORTED_TAG([$1])dnl
+  m4_append([_LT_TAGS], [$1 ])dnl
+  m4_define([_LT_LANG_]$1[_enabled], [])dnl
+  _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+m4_ifndef([AC_PROG_GO], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC],     [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+  fi
+fi
+if test -z "$GOC"; then
+  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+  [LT_LANG(CXX)],
+  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+  [LT_LANG(F77)],
+  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+  [LT_LANG(FC)],
+  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+  [LT_LANG(GCJ)],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+    [LT_LANG(GCJ)],
+    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+      [LT_LANG(GCJ)],
+      [m4_ifdef([AC_PROG_GCJ],
+	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([A][M_PROG_GCJ],
+	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([LT_PROG_GCJ],
+	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+  [LT_LANG(GO)],
+  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+  [LT_LANG(RC)],
+  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+    AC_CHECK_TOOL([LIPO], [lipo], [:])
+    AC_CHECK_TOOL([OTOOL], [otool], [:])
+    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+    _LT_DECL([], [DSYMUTIL], [1],
+      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+    _LT_DECL([], [NMEDIT], [1],
+      [Tool to change global to local symbols on Mac OS X])
+    _LT_DECL([], [LIPO], [1],
+      [Tool to manipulate fat objects and archives on Mac OS X])
+    _LT_DECL([], [OTOOL], [1],
+      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+    _LT_DECL([], [OTOOL64], [1],
+      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "${LT_MULTI_MODULE}"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi])
+
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+	[lt_cv_ld_exported_symbols_list=yes],
+	[lt_cv_ld_exported_symbols_list=no])
+	LDFLAGS="$save_LDFLAGS"
+    ])
+
+    AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+      [lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+      echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+      $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
+      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[012]])
+      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+    darwin*) # darwin 5.x on
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it?
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+	10.[[012]]*)
+	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+	10.*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+    fi
+    if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES([TAG])
+# ---------------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_automatic, $1)=yes
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  if test "$lt_cv_ld_force_load" = "yes"; then
+    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+  else
+    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+  fi
+  _LT_TAGVAR(link_all_deplibs, $1)=yes
+  _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
+  case $cc_basename in
+     ifort*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test "$_lt_dar_can_shared" = "yes"; then
+    output_verbose_link_cmd=func_echo_all
+    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+    m4_if([$1], [CXX],
+[   if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+      _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+    fi
+],[])
+  else
+  _LT_TAGVAR(ld_shlibs, $1)=no
+  fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
+# ----------------------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+# Store the results from the different compilers for each TAGNAME.
+# Allow to override them for all tags through lt_cv_aix_libpath.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+if test "${lt_cv_aix_libpath+set}" = set; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
+  [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
+  lt_aix_libpath_sed='[
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }]'
+  _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi],[])
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])="/usr/lib:/lib"
+  fi
+  ])
+  aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
+fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[m4_divert_text([M4SH-INIT], [$1
+])])# _LT_SHELL_INIT
+
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Find how we can fake an echo command that does not interpret backslash.
+# In particular, with Autoconf 2.60 or later we add some code to the start
+# of the generated configure script which will find a shell with a builtin
+# printf (which we can use as an echo command).
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+AC_MSG_CHECKING([how to print strings])
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$[]1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*" 
+}
+
+case "$ECHO" in
+  printf*) AC_MSG_RESULT([printf]) ;;
+  print*) AC_MSG_RESULT([print -r]) ;;
+  *) AC_MSG_RESULT([cat]) ;;
+esac
+
+m4_ifdef([_AS_DETECT_SUGGESTED],
+[_AS_DETECT_SUGGESTED([
+  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test "X`printf %s $ECHO`" = "X$ECHO" \
+      || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
+
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_WITH_SYSROOT
+# ----------------
+AC_DEFUN([_LT_WITH_SYSROOT],
+[AC_MSG_CHECKING([for sysroot])
+AC_ARG_WITH([sysroot],
+[  --with-sysroot[=DIR] Search for dependent libraries within DIR
+                        (or the compiler's sysroot if not specified).],
+[], [with_sysroot=no])
+
+dnl lt_sysroot will always be passed unquoted.  We quote it here
+dnl in case the user passed a directory name.
+lt_sysroot=
+case ${with_sysroot} in #(
+ yes)
+   if test "$GCC" = yes; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   AC_MSG_RESULT([${with_sysroot}])
+   AC_MSG_ERROR([The sysroot must be an absolute path.])
+   ;;
+esac
+
+ AC_MSG_RESULT([${lt_sysroot:-no}])
+_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
+[dependent libraries, and in which our libraries should be installed.])])
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+  [AS_HELP_STRING([--disable-libtool-lock],
+    [avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE="32"
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE="64"
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out which ABI we are using.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    if test "$lt_cv_prog_gnu_ld" = yes; then
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+*-*solaris*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD="${LD-ld}_sol2"
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks="$enable_libtool_lock"
+])# _LT_ENABLE_LOCK
+
+
+# _LT_PROG_AR
+# -----------
+m4_defun([_LT_PROG_AR],
+[AC_CHECK_TOOLS(AR, [ar], false)
+: ${AR=ar}
+: ${AR_FLAGS=cru}
+_LT_DECL([], [AR], [1], [The archiver])
+_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive])
+
+AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
+  [lt_cv_ar_at_file=no
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+     [echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
+      AC_TRY_EVAL([lt_ar_try])
+      if test "$ac_status" -eq 0; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	AC_TRY_EVAL([lt_ar_try])
+	if test "$ac_status" -ne 0; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+     ])
+  ])
+
+if test "x$lt_cv_ar_at_file" = xno; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+_LT_DECL([], [archiver_list_spec], [1],
+  [How to feed a file listing to the archiver])
+])# _LT_PROG_AR
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[_LT_PROG_AR
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+    [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+    [Commands used to build an old-style archive])
+_LT_DECL([], [lock_old_archive_extraction], [0],
+    [Whether to use a lock for old archive extraction])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $RM conftest*
+])
+
+if test x"[$]$2" = xyes; then
+    m4_if([$5], , :, [$5])
+else
+    m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                  [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+])
+
+if test x"[$]$2" = xyes; then
+    m4_if([$4], , :, [$4])
+else
+    m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring="ABCD"
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[	 ]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+	test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8 ; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test $i != 17 # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n $lt_cv_sys_max_cmd_len ; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+    [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "$cross_compiling" = yes; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+[#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}]
+_LT_EOF
+  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "x$enable_dlopen" != xyes; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+  # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
+    lt_cv_dlopen="dyld"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+    ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen="shl_load"],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen="dlopen"],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test "x$lt_cv_dlopen" != xno; then
+    enable_dlopen=yes
+  else
+    enable_dlopen=no
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS="$CPPFLAGS"
+    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS="$LDFLAGS"
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS="$LIBS"
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test "x$lt_cv_dlopen_self" = xyes; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+	  lt_cv_dlopen_self_static, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+    LIBS="$save_LIBS"
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+	 [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+	 [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+	 [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+	[Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links="nottested"
+if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test "$hard_links" = no; then
+    AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+         [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
+  [Define to the sub-directory in which libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+   test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$_LT_TAGVAR(hardcode_direct, $1)" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
+     test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test "$_LT_TAGVAR(hardcode_action, $1)" = relink ||
+   test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+    [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+  darwin*)
+    if test -n "$STRIP" ; then
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+    fi
+    ;;
+  *)
+    AC_MSG_RESULT([no])
+    ;;
+  esac
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+	[], [
+if test "$GCC" = yes; then
+  case $host_os in
+    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+    *) lt_awk_arg="/^libraries:/" ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;;
+    *) lt_sed_strip_eq="s,=/,/,g" ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary.
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+    else
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+  lt_foo="";
+  lt_count=0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo="/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's,/\([[A-Za-z]]:\),\1,g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+m4_if([$1], [],[
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl*)
+    # Native MSVC
+    libname_spec='$name'
+    soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+    library_names_spec='${libname}.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec="$LIB"
+      if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC wrapper
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[23]].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath],
+    [lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+	 LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+      [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+	 [lt_cv_shlibpath_overrides_runpath=yes])])
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+    ])
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[[89]] | openbsd2.[[89]].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+    [Variables whose values should be saved in libtool wrapper scripts and
+    restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+    [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0],  [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+    [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+    [[List of archive names.  First name is the real one, the rest are links.
+    The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+    [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [install_override_mode], [1],
+    [Permission mode override for installation of shared libraries])
+_LT_DECL([], [postinstall_cmds], [2],
+    [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+    [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+    [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+    [[As "finish_cmds", except a single script fragment to be evaled but
+    not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+    [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+    [Compile-time system search path for libraries])
+_LT_DECL([], [sys_lib_dlsearch_path_spec], [2],
+    [Run-time system search path for libraries])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program which can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="m4_if([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$1; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac])
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program which can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PROG_ECHO_BACKSLASH])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test "$withval" = no || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test "$with_gnu_ld" != no && break
+	;;
+      *)
+	test "$with_gnu_ld" != yes && break
+	;;
+      esac
+    fi
+  done
+  IFS="$lt_save_ifs"
+else
+  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test "$GCC" != yes; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test "$GCC" = yes; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+_LT_TAGDECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_TAGDECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin.
+  if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd* | netbsdelf*-gnu)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+    [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+    [Command to use when deplibs_check_method = "file_magic"])
+_LT_DECL([], [file_magic_glob], [1],
+    [How to find potential files when deplibs_check_method = "file_magic"])
+_LT_DECL([], [want_nocaseglob], [1],
+    [Find potential files using nocaseglob when deplibs_check_method = "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM="$NM"
+else
+  lt_nm_to_check="${ac_tool_prefix}nm"
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS="$lt_save_ifs"
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm="$ac_dir/$lt_tmp_nm"
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+	*/dev/null* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS="$lt_save_ifs"
+  done
+  : ${lt_cv_path_NM=no}
+fi])
+if test "$lt_cv_path_NM" != "no"; then
+  NM="$lt_cv_path_NM"
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
+    case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+  AC_SUBST([DUMPBIN])
+  if test "$DUMPBIN" != ":"; then
+    NM="$DUMPBIN"
+  fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+  [lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
+  cat conftest.out >&AS_MESSAGE_LOG_FD
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+# --------------------------------
+# how to determine the name of the shared library
+# associated with a specific link library.
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+m4_require([_LT_DECL_DLLTOOL])
+AC_CACHE_CHECK([how to associate runtime and link libraries],
+lt_cv_sharedlib_from_linklib_cmd,
+[lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh
+  # decide which to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd="$ECHO"
+  ;;
+esac
+])
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+_LT_DECL([], [sharedlib_from_linklib_cmd], [1],
+    [Command to associate shared and link libraries])
+])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+
+
+# _LT_PATH_MANIFEST_TOOL
+# ----------------------
+# locate the manifest tool
+m4_defun([_LT_PATH_MANIFEST_TOOL],
+[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool],
+  [lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*])
+if test "x$lt_cv_path_mainfest_tool" != xyes; then
+  MANIFEST_TOOL=:
+fi
+_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl
+])# _LT_PATH_MANIFEST_TOOL
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM="-lm")
+  ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test "$GCC" = yes; then
+  case $cc_basename in
+  nvcc*)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
+  esac
+
+  _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+	[Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*)
+  if test "$host_cpu" = ia64; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/  {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function
+    # and D for any global variable.
+    # Also find C++ and __fastcall symbols from MSVC++,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK ['"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+"     {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+"     s[1]~/^[@?]/{print s[1], s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx]"
+  else
+    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[	 ]]\($symcode$symcode*\)[[	 ]][[	 ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT@&t@_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data.  */
+# define LT@&t@_DLSYM_CONST
+#else
+# define LT@&t@_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT@&t@_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS="conftstm.$ac_objext"
+	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test "$pipe_works" = yes; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+    [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+    [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_c_name_address],
+    [lt_cv_sys_global_symbol_to_c_name_address], [1],
+    [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+    [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+    [Transform the output of nm in a C name address pair when lib prefix is needed])
+_LT_DECL([], [nm_file_list_spec], [1],
+    [Specify filename containing input files for $NM])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+m4_if([$1], [CXX], [
+  # C++ specific cases for pic, static, wl, etc.
+  if test "$GXX" = yes; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test "$host_cpu" = ia64; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+	# This hack is so that the source file can tell whether it is being
+	# built for inclusion in a dll (and should export symbols for example).
+	m4_if([$1], [GCJ], [],
+	  [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    if test "$host_cpu" != ia64; then
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  ecpc* )
+	    # old Intel C++ for x86_64 which still supported -KPIC.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*)
+	    # IBM XL 8.0, 9.0 on PPC and BlueGene
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd* | netbsdelf*-gnu)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test "$GCC" = yes; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64 which still supported -KPIC.
+      ecc*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+        *Intel*\ [[CF]]*Compiler*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	  ;;
+	*Portland\ Group*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+
+AC_CACHE_CHECK([for $compiler option to produce PIC],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+    [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+    [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+	[Additional compiler flags for building library objects])
+
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+	[How to pass a linker flag through the compiler])
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+	[Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to AIX nm, but means don't demangle with GNU nm
+    # Also, AIX nm treats weak defined symbols like other global defined
+    # symbols, whereas GNU nm marks them as "W".
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
+    ;;
+  cygwin* | mingw* | cegcc*)
+    case $cc_basename in
+    cl*)
+      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
+    *)
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+      ;;
+    esac
+    ;;
+  linux* | k*bsd*-gnu | gnu*)
+    _LT_TAGVAR(link_all_deplibs, $1)=no
+    ;;
+  *)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+    ;;
+  esac
+], [
+  runpath_var=
+  _LT_TAGVAR(allow_undefined_flag, $1)=
+  _LT_TAGVAR(always_export_symbols, $1)=no
+  _LT_TAGVAR(archive_cmds, $1)=
+  _LT_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_TAGVAR(compiler_needs_object, $1)=no
+  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(hardcode_automatic, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(inherit_rpath, $1)=no
+  _LT_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_TAGVAR(module_cmds, $1)=
+  _LT_TAGVAR(module_expsym_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  linux* | k*bsd*-gnu | gnu*)
+    _LT_TAGVAR(link_all_deplibs, $1)=no
+    ;;
+  esac
+
+  _LT_TAGVAR(ld_shlibs, $1)=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test "$with_gnu_ld" = yes; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;;
+	  *\ \(GNU\ Binutils\)\ [[3-9]]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test "$lt_use_gnu_ld_interface" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols'
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=no
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    haiku*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    interix[[3-9]]*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+	  tmp_sharedflag='--shared' ;;
+	xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        _LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then
+      runpath_var=
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	# Also, AIX nm treats weak defined symbols like other global
+	# defined symbols, whereas GNU nm marks them as "W".
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_TAGVAR(archive_cmds, $1)=''
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+	_LT_TAGVAR(link_all_deplibs, $1)=no
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        _LT_SYS_MODULE_PATH_AIX([$1])
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 _LT_SYS_MODULE_PATH_AIX([$1])
+	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	  if test "$with_gnu_ld" = yes; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  fi
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[[45]]*)
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl*)
+	# Native MSVC
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	_LT_TAGVAR(always_export_symbols, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=".dll"
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	    sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+	  else
+	    sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+	  fi~
+	  $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+	  linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	_LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+	  lt_tool_outputfile="@TOOL_OUTPUT@"~
+	  case $lt_outputfile in
+	    *.exe|*.EXE) ;;
+	    *)
+	      lt_outputfile="$lt_outputfile.exe"
+	      lt_tool_outputfile="$lt_tool_outputfile.exe"
+	      ;;
+	  esac~
+	  if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+	    $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+	    $RM "$lt_outputfile.manifest";
+	  fi'
+	;;
+      *)
+	# Assume MSVC wrapper
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=".dll"
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	_LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	# FIXME: Should let the user specify the lib program.
+	_LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      _LT_DARWIN_LINKER_FEATURES($1)
+      ;;
+
+    dgux*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	m4_if($1, [], [
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  _LT_LINKER_OPTION([if $CC understands -b],
+	    _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b],
+	    [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'],
+	    [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])],
+	  [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'])
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol],
+	  [lt_cv_irix_exported_symbol],
+	  [save_LDFLAGS="$LDFLAGS"
+	   LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+	   AC_LINK_IFELSE(
+	     [AC_LANG_SOURCE(
+	        [AC_LANG_CASE([C], [[int foo (void) { return 0; }]],
+			      [C++], [[int foo (void) { return 0; }]],
+			      [Fortran 77], [[
+      subroutine foo
+      end]],
+			      [Fortran], [[
+      subroutine foo
+      end]])])],
+	      [lt_cv_irix_exported_symbol=yes],
+	      [lt_cv_irix_exported_symbol=no])
+           LDFLAGS="$save_LDFLAGS"])
+	if test "$lt_cv_irix_exported_symbol" = yes; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+	fi
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(inherit_rpath, $1)=yes
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
+	     _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	     ;;
+	   *)
+	     _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+    [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $_LT_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_CACHE_CHECK([whether -lc should be explicitly linked in],
+	[lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1),
+	[$RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+	  pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+	  _LT_TAGVAR(allow_undefined_flag, $1)=
+	  if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+	  then
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	  else
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  fi
+	  _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+	])
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+    [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+    [enable_shared_with_static_runtimes], [0],
+    [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+    [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+    [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+    [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+    [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+    [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+    [Commands used to build a loadable module if different from building
+    a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+    [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+    [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+    [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+    [Flag to hardcode $libdir into a binary during linking.
+    This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+    [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+    [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+    DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+    [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+    DIR into the resulting binary and the resulting library dependency is
+    "absolute", i.e impossible to change by setting ${shlibpath_var} if the
+    library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+    [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+    [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+    [Set to "yes" if building a shared library automatically hardcodes DIR
+    into the library and all subsequent libraries and executables linked
+    against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+    [Set to yes if linker adds runtime paths of dependent libraries
+    to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+    [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [always_export_symbols], [0],
+    [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+    [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+    [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+    [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+    [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [postlink_cmds], [2],
+    [Commands necessary for finishing linking programs])
+_LT_TAGDECL([], [file_list_spec], [1],
+    [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl    [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC="$CC"
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_SYS_DYNAMIC_LINKER($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+  LT_SYS_DLOPEN_SELF
+  _LT_CMD_STRIPLIB
+
+  # Report which library types will actually be built
+  AC_MSG_CHECKING([if libtool supports shared libraries])
+  AC_MSG_RESULT([$can_build_shared])
+
+  AC_MSG_CHECKING([whether to build shared libraries])
+  test "$can_build_shared" = "no" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test "$enable_shared" = yes && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[[4-9]]*)
+    if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+      test "$enable_shared" = yes && enable_static=no
+    fi
+    ;;
+  esac
+  AC_MSG_RESULT([$enable_shared])
+
+  AC_MSG_CHECKING([whether to build static libraries])
+  # Make sure either enable_shared or enable_static is yes.
+  test "$enable_shared" = yes || enable_static=yes
+  AC_MSG_RESULT([$enable_static])
+
+  _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC="$lt_save_CC"
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+    (test "X$CXX" != "Xg++"))) ; then
+  AC_PROG_CXXCPP
+else
+  _lt_caught_CXX_error=yes
+fi
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_caught_CXX_error" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_CFLAGS=$CFLAGS
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  CFLAGS=$CXXFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test "$GXX" = yes; then
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+    else
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+    fi
+
+    if test "$GXX" = yes; then
+      # Set up default GNU C++ configuration
+
+      LT_PATH_LD
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test "$with_gnu_ld" = yes; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='${wl}'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+        else
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+    _LT_TAGVAR(ld_shlibs, $1)=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+      aix[[4-9]]*)
+        if test "$host_cpu" = ia64; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=""
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # need to do runtime linking.
+          case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        _LT_TAGVAR(archive_cmds, $1)=''
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+        if test "$GXX" = yes; then
+          case $host_os in aix4.[[012]]|aix4.[[012]].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag="$shared_flag "'${wl}-G'
+	  fi
+        else
+          # not using gcc
+          if test "$host_cpu" = ia64; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test "$aix_use_runtimelinking" = yes; then
+	      shared_flag='${wl}-G'
+	    else
+	      shared_flag='${wl}-bM:SRE'
+	    fi
+          fi
+        fi
+
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        _LT_TAGVAR(always_export_symbols, $1)=yes
+        if test "$aix_use_runtimelinking" = yes; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          _LT_SYS_MODULE_PATH_AIX([$1])
+          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+        else
+          if test "$host_cpu" = ia64; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    _LT_SYS_MODULE_PATH_AIX([$1])
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	    _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	    if test "$with_gnu_ld" = yes; then
+	      # We only use this code for GNU lds that support --whole-archive.
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	    else
+	      # Exported symbols can be pulled into shared objects from archives
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	    fi
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	    # This is similar to how AIX traditionally builds its shared
+	    # libraries.
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32* | cegcc*)
+	case $GXX,$cc_basename in
+	,cl* | no,cl*)
+	  # Native MSVC
+	  # hardcode_libdir_flag_spec is actually meaningless, as there is
+	  # no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=yes
+	  _LT_TAGVAR(file_list_spec, $1)='@'
+	  # Tell ltmain to make .lib files, not .a files.
+	  libext=lib
+	  # Tell ltmain to make .dll files, not .so files.
+	  shrext_cmds=".dll"
+	  # FIXME: Setting linknames here is a bad hack.
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	      $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+	    else
+	      $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+	    fi~
+	    $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+	    linknames='
+	  # The linker will not automatically build a static lib if we build a DLL.
+	  # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	  # Don't use ranlib
+	  _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	  _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+	    lt_tool_outputfile="@TOOL_OUTPUT@"~
+	    case $lt_outputfile in
+	      *.exe|*.EXE) ;;
+	      *)
+		lt_outputfile="$lt_outputfile.exe"
+		lt_tool_outputfile="$lt_tool_outputfile.exe"
+		;;
+	    esac~
+	    func_to_tool_file "$lt_outputfile"~
+	    if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+	      $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+	      $RM "$lt_outputfile.manifest";
+	    fi'
+	  ;;
+	*)
+	  # g++
+	  # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+	  # as there is no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=no
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	    # If the export-symbols file already is a .def file (1st line
+	    # is EXPORTS), use it as is; otherwise, prepend...
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	      cp $export_symbols $output_objdir/$soname.def;
+	    else
+	      echo EXPORTS > $output_objdir/$soname.def;
+	      cat $export_symbols >> $output_objdir/$soname.def;
+	    fi~
+	    $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	  ;;
+	esac
+	;;
+      darwin* | rhapsody*)
+        _LT_DARWIN_LINKER_FEATURES($1)
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      freebsd2.*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      freebsd-elf*)
+        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        ;;
+
+      freebsd* | dragonfly*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+        ;;
+
+      haiku*)
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        ;;
+
+      hpux9*)
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            _LT_TAGVAR(ld_shlibs, $1)=no
+            ;;
+          aCC*)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            ;;
+          *)
+            if test "$GXX" = yes; then
+              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              _LT_TAGVAR(ld_shlibs, $1)=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test $with_gnu_ld = no; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            _LT_TAGVAR(hardcode_direct, $1)=no
+            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+            ;;
+          *)
+            _LT_TAGVAR(hardcode_direct, $1)=yes
+            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+          *)
+	    if test "$GXX" = yes; then
+	      if test $with_gnu_ld = no; then
+	        case $host_cpu in
+	          hppa*64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[[3-9]]*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test "$GXX" = yes; then
+	      if test "$with_gnu_ld" = no; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	      else
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib'
+	      fi
+	    fi
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+	    ;;
+        esac
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(inherit_rpath, $1)=yes
+        ;;
+
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*)
+	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+		compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+		$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+		$RANLIB $oldlib'
+	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+		$CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+		$CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 and above use weak symbols
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+	    ;;
+	  xl* | mpixl* | bgxl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    if test "x$supports_anon_versioning" = xyes; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+		cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+		echo "local: *; };" >> $output_objdir/$libname.ver~
+		$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	      _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='func_echo_all'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
+      openbsd2*)
+        # C++ shared libraries are fairly broken
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      openbsd*)
+	if test -f /usr/libexec/ld.so; then
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=func_echo_all
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+		;;
+	      *)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+	          echo "-hidden">> $lib.exp~
+	          $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~
+	          $RM $lib.exp'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+		;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+	  *)
+	    if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	      _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	      case $host in
+	        osf3*)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+		  ;;
+	        *)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag}  -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	      $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	    case $host_os in
+	      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands `-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+	    output_verbose_link_cmd='func_echo_all'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	      _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+		  $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require `-G' NOT `-shared' on this
+	        # platform.
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+		  $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      fi
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
+	      case $host_os in
+		solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+		*)
+		  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We can NOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	_LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+	_LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+	_LT_TAGVAR(link_all_deplibs, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
+	      '"$_LT_TAGVAR(old_archive_cmds, $1)"
+	    _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
+	      '"$_LT_TAGVAR(reload_cmds, $1)"
+	    ;;
+	  *)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+    esac
+
+    AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+    test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+    _LT_TAGVAR(GCC, $1)="$GXX"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test "$_lt_caught_CXX_error" != yes
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_FUNC_STRIPNAME_CNF
+# ----------------------
+# func_stripname_cnf prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+#
+# This function is identical to the (non-XSI) version of func_stripname,
+# except this one can be used by m4 code that may be executed by configure,
+# rather than the libtool script.
+m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl
+AC_REQUIRE([_LT_DECL_SED])
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])
+func_stripname_cnf ()
+{
+  case ${2} in
+  .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;;
+  *)  func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;;
+  esac
+} # func_stripname_cnf
+])# _LT_FUNC_STRIPNAME_CNF
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+_LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
+])
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case ${prev}${p} in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test $p = "-L" ||
+          test $p = "-R"; then
+	 prev=$p
+	 continue
+       fi
+
+       # Expand the sysroot to ease extracting the directories later.
+       if test -z "$prev"; then
+         case $p in
+         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+         esac
+       fi
+       case $p in
+       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+       esac
+       if test "$pre_test_object_deps_done" = no; then
+	 case ${prev} in
+	 -L | -R)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
+	   else
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+	   _LT_TAGVAR(postdeps, $1)="${prev}${p}"
+	 else
+	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}"
+	 fi
+       fi
+       prev=
+       ;;
+
+    *.lto.$objext) ;; # Ignore GCC LTO objects
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+	   _LT_TAGVAR(predep_objects, $1)="$p"
+	 else
+	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+	   _LT_TAGVAR(postdep_objects, $1)="$p"
+	 else
+	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+
+linux*)
+  case `$CC -V 2>&1 | sed 5q` in
+  *Sun\ C*)
+    # Sun C++ 5.9
+
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+
+solaris*)
+  case $cc_basename in
+  CC* | sunCC*)
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+
+    # Adding this requires a known-good setup of shared libraries for
+    # Sun compiler versions before 5.6, else PIC objects from an old
+    # archive will be linked into the output, leading to subtle bugs.
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+    [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+    [Dependencies to place before and after the objects being linked to
+    create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+    [The library search path used internally by the compiler when linking
+    a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_LANG_PUSH(Fortran 77)
+if test -z "$F77" || test "X$F77" = "Xno"; then
+  _lt_disable_F77=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_F77" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${F77-"f77"}
+  CFLAGS=$FFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+  GCC=$G77
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)="$G77"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC="$lt_save_CC"
+  CFLAGS="$lt_save_CFLAGS"
+fi # test "$_lt_disable_F77" != yes
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_LANG_PUSH(Fortran)
+
+if test -z "$FC" || test "X$FC" = "Xno"; then
+  _lt_disable_FC=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_FC" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${FC-"f95"}
+  CFLAGS=$FCFLAGS
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test "$_lt_disable_FC" != yes
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+CFLAGS=$GCJFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+CFLAGS=
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+  :
+  _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+    [AC_CHECK_TOOL(GCJ, gcj,)
+      test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
+      AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+# _LT_DECL_DLLTOOL
+# ----------------
+# Ensure DLLTOOL variable is set.
+m4_defun([_LT_DECL_DLLTOOL],
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])
+AC_SUBST([DLLTOOL])
+])
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+    [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f $lt_ac_sed && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test $lt_ac_count -gt 10 && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test $lt_ac_count -gt $lt_ac_max; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[AC_MSG_CHECKING([whether the shell understands some XSI constructs])
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+  test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
+      = c,a/b,b/c, \
+    && eval 'test $(( 1 + 1 )) -eq 2 \
+    && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+  && xsi_shell=yes
+AC_MSG_RESULT([$xsi_shell])
+_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell'])
+
+AC_MSG_CHECKING([whether the shell understands "+="])
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \
+    >/dev/null 2>&1 \
+  && lt_shell_append=yes
+AC_MSG_RESULT([$lt_shell_append])
+_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append'])
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PROG_FUNCTION_REPLACE (FUNCNAME, REPLACEMENT-BODY)
+# ------------------------------------------------------
+# In `$cfgfile', look for function FUNCNAME delimited by `^FUNCNAME ()$' and
+# '^} FUNCNAME ', and replace its body with REPLACEMENT-BODY.
+m4_defun([_LT_PROG_FUNCTION_REPLACE],
+[dnl {
+sed -e '/^$1 ()$/,/^} # $1 /c\
+$1 ()\
+{\
+m4_bpatsubsts([$2], [$], [\\], [^\([	 ]\)], [\\\1])
+} # Extended-shell $1 implementation' "$cfgfile" > $cfgfile.tmp \
+  && mv -f "$cfgfile.tmp" "$cfgfile" \
+    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+])
+
+
+# _LT_PROG_REPLACE_SHELLFNS
+# -------------------------
+# Replace existing portable implementations of several shell functions with
+# equivalent extended shell implementations where those features are available..
+m4_defun([_LT_PROG_REPLACE_SHELLFNS],
+[if test x"$xsi_shell" = xyes; then
+  _LT_PROG_FUNCTION_REPLACE([func_dirname], [dnl
+    case ${1} in
+      */*) func_dirname_result="${1%/*}${2}" ;;
+      *  ) func_dirname_result="${3}" ;;
+    esac])
+
+  _LT_PROG_FUNCTION_REPLACE([func_basename], [dnl
+    func_basename_result="${1##*/}"])
+
+  _LT_PROG_FUNCTION_REPLACE([func_dirname_and_basename], [dnl
+    case ${1} in
+      */*) func_dirname_result="${1%/*}${2}" ;;
+      *  ) func_dirname_result="${3}" ;;
+    esac
+    func_basename_result="${1##*/}"])
+
+  _LT_PROG_FUNCTION_REPLACE([func_stripname], [dnl
+    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+    # positional parameters, so assign one to ordinary parameter first.
+    func_stripname_result=${3}
+    func_stripname_result=${func_stripname_result#"${1}"}
+    func_stripname_result=${func_stripname_result%"${2}"}])
+
+  _LT_PROG_FUNCTION_REPLACE([func_split_long_opt], [dnl
+    func_split_long_opt_name=${1%%=*}
+    func_split_long_opt_arg=${1#*=}])
+
+  _LT_PROG_FUNCTION_REPLACE([func_split_short_opt], [dnl
+    func_split_short_opt_arg=${1#??}
+    func_split_short_opt_name=${1%"$func_split_short_opt_arg"}])
+
+  _LT_PROG_FUNCTION_REPLACE([func_lo2o], [dnl
+    case ${1} in
+      *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+      *)    func_lo2o_result=${1} ;;
+    esac])
+
+  _LT_PROG_FUNCTION_REPLACE([func_xform], [    func_xform_result=${1%.*}.lo])
+
+  _LT_PROG_FUNCTION_REPLACE([func_arith], [    func_arith_result=$(( $[*] ))])
+
+  _LT_PROG_FUNCTION_REPLACE([func_len], [    func_len_result=${#1}])
+fi
+
+if test x"$lt_shell_append" = xyes; then
+  _LT_PROG_FUNCTION_REPLACE([func_append], [    eval "${1}+=\\${2}"])
+
+  _LT_PROG_FUNCTION_REPLACE([func_append_quoted], [dnl
+    func_quote_for_eval "${2}"
+dnl m4 expansion turns \\\\ into \\, and then the shell eval turns that into \
+    eval "${1}+=\\\\ \\$func_quote_for_eval_result"])
+
+  # Save a `func_append' function call where possible by direct use of '+='
+  sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+else
+  # Save a `func_append' function call even when '+=' is not available
+  sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
+    && mv -f "$cfgfile.tmp" "$cfgfile" \
+      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+  test 0 -eq $? || _lt_function_replace_fail=:
+fi
+
+if test x"$_lt_function_replace_fail" = x":"; then
+  AC_MSG_WARN([Unable to substitute extended shell functions in $ofile])
+fi
+])
+
+# _LT_PATH_CONVERSION_FUNCTIONS
+# -----------------------------
+# Determine which file name conversion functions should be used by
+# func_to_host_file (and, implicitly, by func_to_host_path).  These are needed
+# for certain cross-compile configurations and native mingw.
+m4_defun([_LT_PATH_CONVERSION_FUNCTIONS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_MSG_CHECKING([how to convert $build file names to $host format])
+AC_CACHE_VAL(lt_cv_to_host_file_cmd,
+[case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+])
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+AC_MSG_RESULT([$lt_cv_to_host_file_cmd])
+_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd],
+         [0], [convert $build file names to $host format])dnl
+
+AC_MSG_CHECKING([how to convert $build file names to toolchain format])
+AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
+[#assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+])
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
+_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
+         [0], [convert $build files to toolchain format])dnl
+])# _LT_PATH_CONVERSION_FUNCTIONS
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ltoptions.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ltoptions.m4
new file mode 100644
index 0000000..5d9acd8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ltoptions.m4
@@ -0,0 +1,384 @@
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation,
+#   Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 7 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option `$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl `shared' nor `disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+  		   [_LT_ENABLE_FAST_INSTALL])
+  ])
+])# _LT_SET_OPTIONS
+
+
+## --------------------------------- ##
+## Macros to handle LT_INIT options. ##
+## --------------------------------- ##
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the `shared' and
+# `disable-shared' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the `static' and
+# `disable-static' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the `fast-install'
+# and `disable-fast-install' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the `pic-only' and `no-pic'
+# LT_INIT options.
+# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for lt_pkg in $withval; do
+	IFS="$lt_save_ifs"
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [pic_mode=default])
+
+test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+## ----------------- ##
+## LTDL_INIT Options ##
+## ----------------- ##
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ltsugar.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ltsugar.m4
new file mode 100644
index 0000000..9000a05
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ltsugar.m4
@@ -0,0 +1,123 @@
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59 which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/ltversion.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/ltversion.m4
new file mode 100644
index 0000000..07a8602
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/ltversion.m4
@@ -0,0 +1,23 @@
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 3337 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.2])
+m4_define([LT_PACKAGE_REVISION], [1.3337])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.2'
+macro_revision='1.3337'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/lt~obsolete.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/lt~obsolete.m4
new file mode 100644
index 0000000..c573da9
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/lt~obsolete.m4
@@ -0,0 +1,98 @@
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4/pkg.m4 b/src-light-solver/preprocess/m4ri-20140914/m4/pkg.m4
new file mode 100644
index 0000000..9a71878
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4/pkg.m4
@@ -0,0 +1,159 @@
+# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+# serial 1 (pkg-config-0.24)
+# 
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
+m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
+AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
+AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=m4_default([$1], [0.9.0])
+	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		PKG_CONFIG=""
+	fi
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists.  Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+# only at the first occurence in configure.ac, so if the first place
+# it's called might be skipped (such as if it is within an "if", you
+# have to call PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+  m4_default([$2], [:])
+m4_ifvaln([$3], [else
+  $3])dnl
+fi])
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+    pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+    PKG_CHECK_EXISTS([$3],
+                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes ],
+		     [pkg_failed=yes])
+ else
+    pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+   	AC_MSG_RESULT([no])
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
+        else 
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+	m4_default([$4], [AC_MSG_ERROR(
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT])[]dnl
+        ])
+elif test $pkg_failed = untried; then
+     	AC_MSG_RESULT([no])
+	m4_default([$4], [AC_MSG_FAILURE(
+[The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
+        ])
+else
+	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+        AC_MSG_RESULT([yes])
+	$3
+fi[]dnl
+])# PKG_CHECK_MODULES
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri.pc b/src-light-solver/preprocess/m4ri-20140914/m4ri.pc
new file mode 100644
index 0000000..cbf9f35
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri.pc
@@ -0,0 +1,10 @@
+prefix=/usr/local
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: M4RI
+Description: Dense linear algebra over GF(2).
+Version: 20140914
+Libs: -L${libdir} -lm4ri -lm
+Cflags: -I${includedir}/m4ri -g -O2  -mmmx -msse -msse2 -msse3 
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri.pc.in b/src-light-solver/preprocess/m4ri-20140914/m4ri.pc.in
new file mode 100644
index 0000000..4c48af4
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri.pc.in
@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: M4RI
+Description: Dense linear algebra over GF(2).
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lm4ri -lm
+Cflags: -I${includedir}/m4ri @CFLAGS@ @SIMD_CFLAGS@ @OPENMP_CFLAGS@
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/.dirstamp b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/.dirstamp
new file mode 100644
index 0000000..e69de29
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/brilliantrussian.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/brilliantrussian.Plo
new file mode 100644
index 0000000..bbd802d
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/brilliantrussian.Plo
@@ -0,0 +1,265 @@
+m4ri/brilliantrussian.lo: m4ri/brilliantrussian.c \
+ /usr/include/stdc-predef.h m4ri/config.h m4ri/brilliantrussian.h \
+ /usr/include/math.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls.h \
+ /usr/include/x86_64-linux-gnu/bits/mathinline.h /usr/include/string.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__locale_t.h \
+ /usr/include/strings.h \
+ /usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
+ /usr/include/x86_64-linux-gnu/bits/string_fortified.h \
+ /usr/include/stdlib.h /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endianness.h \
+ /usr/include/x86_64-linux-gnu/bits/byteswap.h \
+ /usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
+ /usr/include/x86_64-linux-gnu/sys/select.h \
+ /usr/include/x86_64-linux-gnu/bits/select.h \
+ /usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
+ /usr/include/x86_64-linux-gnu/bits/select2.h \
+ /usr/include/x86_64-linux-gnu/bits/pthreadtypes.h \
+ /usr/include/x86_64-linux-gnu/bits/thread-shared-types.h \
+ /usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h \
+ /usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
+ /usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib.h m4ri/mzd.h m4ri/config.h \
+ m4ri/m4ri_config.h /usr/include/assert.h /usr/include/stdio.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/emmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/xmmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h m4ri/misc.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h /usr/include/stdint.h \
+ /usr/include/x86_64-linux-gnu/bits/wchar.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-uintn.h m4ri/debug_dump.h \
+ m4ri/mzp.h m4ri/xor.h m4ri/xor_template.h m4ri/graycode.h \
+ m4ri/echelonform.h m4ri/ple_russian.h
+
+/usr/include/stdc-predef.h:
+
+m4ri/config.h:
+
+m4ri/brilliantrussian.h:
+
+/usr/include/math.h:
+
+/usr/include/x86_64-linux-gnu/bits/libc-header-start.h:
+
+/usr/include/features.h:
+
+/usr/include/x86_64-linux-gnu/sys/cdefs.h:
+
+/usr/include/x86_64-linux-gnu/bits/wordsize.h:
+
+/usr/include/x86_64-linux-gnu/bits/long-double.h:
+
+/usr/include/x86_64-linux-gnu/gnu/stubs.h:
+
+/usr/include/x86_64-linux-gnu/gnu/stubs-64.h:
+
+/usr/include/x86_64-linux-gnu/bits/types.h:
+
+/usr/include/x86_64-linux-gnu/bits/timesize.h:
+
+/usr/include/x86_64-linux-gnu/bits/typesizes.h:
+
+/usr/include/x86_64-linux-gnu/bits/time64.h:
+
+/usr/include/x86_64-linux-gnu/bits/math-vector.h:
+
+/usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h:
+
+/usr/include/x86_64-linux-gnu/bits/floatn.h:
+
+/usr/include/x86_64-linux-gnu/bits/floatn-common.h:
+
+/usr/include/x86_64-linux-gnu/bits/flt-eval-method.h:
+
+/usr/include/x86_64-linux-gnu/bits/fp-logb.h:
+
+/usr/include/x86_64-linux-gnu/bits/fp-fast.h:
+
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/debug_dump.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/debug_dump.Plo
new file mode 100644
index 0000000..976f57e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/debug_dump.Plo
@@ -0,0 +1,253 @@
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+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
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+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
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+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/djb.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/djb.Plo
new file mode 100644
index 0000000..a0ed60b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/djb.Plo
@@ -0,0 +1,280 @@
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+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
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+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/__locale_t.h \
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+ /usr/include/x86_64-linux-gnu/bits/string_fortified.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h /usr/include/stdint.h \
+ /usr/include/x86_64-linux-gnu/bits/wchar.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-uintn.h m4ri/debug_dump.h \
+ m4ri/io.h m4ri/djb.h m4ri/xor.h m4ri/xor_template.h \
+ /usr/include/unistd.h /usr/include/x86_64-linux-gnu/bits/posix_opt.h \
+ /usr/include/x86_64-linux-gnu/bits/environments.h \
+ /usr/include/x86_64-linux-gnu/bits/confname.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/echelonform.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/echelonform.Plo
new file mode 100644
index 0000000..ef40082
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/echelonform.Plo
@@ -0,0 +1,260 @@
+m4ri/echelonform.lo: m4ri/echelonform.c /usr/include/stdc-predef.h \
+ m4ri/config.h m4ri/echelonform.h m4ri/mzd.h m4ri/config.h \
+ m4ri/m4ri_config.h /usr/include/assert.h /usr/include/features.h \
+ /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h /usr/include/math.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls.h \
+ /usr/include/x86_64-linux-gnu/bits/mathinline.h /usr/include/stdio.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/emmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/xmmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h \
+ /usr/include/stdlib.h /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endianness.h \
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+ /usr/include/x86_64-linux-gnu/bits/select.h \
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+ /usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib.h m4ri/misc.h \
+ /usr/include/string.h \
+ /usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
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+ /usr/include/x86_64-linux-gnu/bits/string_fortified.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h /usr/include/stdint.h \
+ /usr/include/x86_64-linux-gnu/bits/wchar.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-uintn.h m4ri/debug_dump.h \
+ m4ri/brilliantrussian.h m4ri/mzp.h m4ri/ple.h m4ri/triangular.h
+
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/graycode.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/graycode.Plo
new file mode 100644
index 0000000..0c1e631
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/graycode.Plo
@@ -0,0 +1,209 @@
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+ m4ri/config.h /usr/include/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/io.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/io.Plo
new file mode 100644
index 0000000..bd57205
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/io.Plo
@@ -0,0 +1,256 @@
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+ m4ri/m4ri_config.h m4ri/io.h m4ri/m4ri_config.h m4ri/mzd.h m4ri/config.h \
+ /usr/include/assert.h /usr/include/features.h \
+ /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h /usr/include/math.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/misc.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/misc.Plo
new file mode 100644
index 0000000..4abc849
--- /dev/null
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@@ -0,0 +1,213 @@
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+ /usr/include/stdio.h \
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+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
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+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
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+ /usr/include/x86_64-linux-gnu/bits/types.h \
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+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mmc.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mmc.Plo
new file mode 100644
index 0000000..35163cd
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mmc.Plo
@@ -0,0 +1,177 @@
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+ m4ri/mmc.h m4ri/misc.h m4ri/m4ri_config.h m4ri/config.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h \
+ /usr/include/stdlib.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mp.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mp.Plo
new file mode 100644
index 0000000..4e27411
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mp.Plo
@@ -0,0 +1,266 @@
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+ m4ri/misc.h m4ri/m4ri_config.h m4ri/config.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h \
+ /usr/include/stdlib.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
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+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endianness.h \
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+ m4ri/config.h /usr/include/math.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzd.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzd.Plo
new file mode 100644
index 0000000..93b5747
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzd.Plo
@@ -0,0 +1,253 @@
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+ /usr/include/stdlib.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
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+ /usr/include/x86_64-linux-gnu/sys/select.h \
+ /usr/include/x86_64-linux-gnu/bits/select.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
+ /usr/include/x86_64-linux-gnu/bits/select2.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzp.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzp.Plo
new file mode 100644
index 0000000..d25d397
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/mzp.Plo
@@ -0,0 +1,254 @@
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+ m4ri/mzp.h m4ri/mzd.h m4ri/config.h m4ri/m4ri_config.h \
+ /usr/include/assert.h /usr/include/features.h \
+ /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h /usr/include/math.h \
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+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
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+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple.Plo
new file mode 100644
index 0000000..1d76f3b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple.Plo
@@ -0,0 +1,267 @@
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+ /usr/include/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h m4ri/mzd.h \
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+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
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+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
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+ m4ri/triangular.h m4ri/mzd.h m4ri/parity.h m4ri/ple_russian.h m4ri/mzp.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple_russian.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple_russian.Plo
new file mode 100644
index 0000000..80e7a06
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/ple_russian.Plo
@@ -0,0 +1,268 @@
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+ m4ri/config.h m4ri/m4ri_config.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/emmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/xmmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/solve.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/solve.Plo
new file mode 100644
index 0000000..620ae58
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/solve.Plo
@@ -0,0 +1,265 @@
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+ /usr/include/assert.h /usr/include/features.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/strassen.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/strassen.Plo
new file mode 100644
index 0000000..66ce024
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/strassen.Plo
@@ -0,0 +1,260 @@
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+ m4ri/config.h m4ri/graycode.h m4ri/strassen.h /usr/include/math.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/math-vector.h \
+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn.h \
+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls.h \
+ /usr/include/x86_64-linux-gnu/bits/mathinline.h m4ri/mzd.h m4ri/config.h \
+ m4ri/m4ri_config.h /usr/include/assert.h /usr/include/stdio.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/emmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/xmmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mmintrin.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/mm_malloc.h \
+ /usr/include/stdlib.h /usr/include/x86_64-linux-gnu/bits/waitflags.h \
+ /usr/include/x86_64-linux-gnu/bits/waitstatus.h \
+ /usr/include/x86_64-linux-gnu/sys/types.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clock_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/time_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-intn.h /usr/include/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endian.h \
+ /usr/include/x86_64-linux-gnu/bits/endianness.h \
+ /usr/include/x86_64-linux-gnu/bits/byteswap.h \
+ /usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
+ /usr/include/x86_64-linux-gnu/sys/select.h \
+ /usr/include/x86_64-linux-gnu/bits/select.h \
+ /usr/include/x86_64-linux-gnu/bits/types/sigset_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h \
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+ /usr/include/x86_64-linux-gnu/bits/pthreadtypes.h \
+ /usr/include/x86_64-linux-gnu/bits/thread-shared-types.h \
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+ /usr/include/x86_64-linux-gnu/bits/struct_mutex.h \
+ /usr/include/x86_64-linux-gnu/bits/struct_rwlock.h /usr/include/alloca.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib-float.h \
+ /usr/include/x86_64-linux-gnu/bits/stdlib.h m4ri/misc.h \
+ /usr/include/string.h \
+ /usr/include/x86_64-linux-gnu/bits/types/locale_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__locale_t.h \
+ /usr/include/strings.h \
+ /usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
+ /usr/include/x86_64-linux-gnu/bits/string_fortified.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h /usr/include/stdint.h \
+ /usr/include/x86_64-linux-gnu/bits/wchar.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-uintn.h m4ri/debug_dump.h \
+ m4ri/brilliantrussian.h m4ri/mzp.h m4ri/parity.h
+
+/usr/include/stdc-predef.h:
+
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/triangular.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/triangular.Plo
new file mode 100644
index 0000000..8dcf694
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/triangular.Plo
@@ -0,0 +1,265 @@
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+ m4ri/config.h /usr/include/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/libc-header-start.h \
+ /usr/include/features.h /usr/include/x86_64-linux-gnu/sys/cdefs.h \
+ /usr/include/x86_64-linux-gnu/bits/wordsize.h \
+ /usr/include/x86_64-linux-gnu/bits/long-double.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs.h \
+ /usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h \
+ /usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h \
+ /usr/include/x86_64-linux-gnu/bits/types.h \
+ /usr/include/x86_64-linux-gnu/bits/timesize.h \
+ /usr/include/x86_64-linux-gnu/bits/typesizes.h \
+ /usr/include/x86_64-linux-gnu/bits/time64.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h \
+ /usr/include/x86_64-linux-gnu/bits/types/__FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
+ /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio.h \
+ /usr/include/x86_64-linux-gnu/bits/stdio2.h m4ri/triangular.h m4ri/mzd.h \
+ m4ri/config.h m4ri/m4ri_config.h /usr/include/assert.h \
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+ /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
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+ /usr/include/x86_64-linux-gnu/bits/floatn-common.h \
+ /usr/include/x86_64-linux-gnu/bits/flt-eval-method.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-logb.h \
+ /usr/include/x86_64-linux-gnu/bits/fp-fast.h \
+ /usr/include/x86_64-linux-gnu/bits/mathcalls-helper-functions.h \
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+ /usr/include/x86_64-linux-gnu/bits/types/timer_t.h \
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+ /usr/include/x86_64-linux-gnu/bits/uintn-identity.h \
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+ /usr/include/x86_64-linux-gnu/bits/wchar.h \
+ /usr/include/x86_64-linux-gnu/bits/stdint-uintn.h m4ri/debug_dump.h \
+ m4ri/triangular_russian.h m4ri/strassen.h m4ri/brilliantrussian.h \
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/triangular_russian.Plo b/src-light-solver/preprocess/m4ri-20140914/m4ri/.deps/triangular_russian.Plo
new file mode 100644
index 0000000..ca8517d
--- /dev/null
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+# Doxyfile 1.8.7
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a double hash (##) is considered a comment and is placed in
+# front of the TAG it is preceding.
+#
+# All text after a single hash (#) is considered a comment and will be ignored.
+# The format is:
+# TAG = value [value, ...]
+# For lists, items can also be appended using:
+# TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (\" \").
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
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+# This tag specifies the encoding used for all characters in the config file
+# that follow. The default is UTF-8 which is also the encoding used for all text
+# before the first occurrence of this tag. Doxygen uses libiconv (or the iconv
+# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv
+# for the list of possible encodings.
+# The default value is: UTF-8.
+
+DOXYFILE_ENCODING      = UTF-8
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+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by
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+# project for which the documentation is generated. This name is used in the
+# title of most generated pages and in a few other places.
+# The default value is: My Project.
+
+PROJECT_NAME           = M4RI
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. This
+# could be handy for archiving the generated documentation or if some version
+# control system is used.
+
+PROJECT_NUMBER         = 1.0.1
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer a
+# quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          =
+
+# With the PROJECT_LOGO tag one can specify an logo or icon that is included in
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+# and the maximum width should not exceed 200 pixels. Doxygen will copy the logo
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+
+PROJECT_LOGO           =
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
+# into which the generated documentation will be written. If a relative path is
+# entered, it will be relative to the location where doxygen was started. If
+# left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       = ../doc/
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+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub-
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+# option can be useful when feeding doxygen a huge amount of source files, where
+# putting all generated files in the same directory would otherwise causes
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+# The default value is: NO.
+
+CREATE_SUBDIRS         = NO
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+# If the ALLOW_UNICODE_NAMES tag is set to YES, doxygen will allow non-ASCII
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+# characters will be escaped, for example _xE3_x81_x84 will be used for Unicode
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+# The default value is: NO.
+
+ALLOW_UNICODE_NAMES    = NO
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+# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States),
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+OUTPUT_LANGUAGE        = English
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+# This tag implements a quasi-intelligent brief description abbreviator that is
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+STRIP_FROM_INC_PATH    =
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+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
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+SHORT_NAMES            = NO
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+# If the JAVADOC_AUTOBRIEF tag is set to YES then doxygen will interpret the
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+# The default value is: NO.
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+JAVADOC_AUTOBRIEF      = NO
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+# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
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+QT_AUTOBRIEF           = NO
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+# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce a
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+SEPARATE_MEMBER_PAGES  = NO
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+ALIASES                = ""
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+TCL_SUBST              =
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+
+OPTIMIZE_OUTPUT_FOR_C  = YES
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+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
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+
+OPTIMIZE_OUTPUT_JAVA   = NO
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+
+OPTIMIZE_FOR_FORTRAN   = NO
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+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
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+OPTIMIZE_OUTPUT_VHDL   = NO
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+# Doxygen selects the parser to use depending on the extension of the files it
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+# The default value is: NO.
+
+CPP_CLI_SUPPORT        = NO
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+# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
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+INLINE_SIMPLE_STRUCTS  = NO
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+
+EXTRACT_STATIC         = YES
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+# This flag is only useful for Objective-C code. When set to YES local methods,
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+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
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+# 'anonymous_namespace{file}', where file will be replaced with the base name of
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+
+EXTRACT_ANON_NSPACES   = NO
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+# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
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+# members will be included in the various overviews, but no documentation
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+HIDE_UNDOC_MEMBERS     = NO
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+# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
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+
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+
+HIDE_FRIEND_COMPOUNDS  = NO
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+# The default value is: NO.
+
+HIDE_IN_BODY_DOCS      = NO
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+# The INTERNAL_DOCS tag determines if documentation that is typed after a
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+INTERNAL_DOCS          = NO
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+# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file
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+# allowed. This is useful if you have classes or files whose names only differ
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+# and Mac users are advised to set this option to NO.
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+CASE_SENSE_NAMES       = YES
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+
+HIDE_SCOPE_NAMES       = NO
+
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+
+SHOW_INCLUDE_FILES     = YES
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+# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
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+SHOW_GROUPED_MEMB_INC  = NO
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+
+FORCE_LOCAL_INCLUDES   = NO
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+# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
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+
+INLINE_INFO            = YES
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+# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
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+# The default value is: YES.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
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+# The default value is: NO.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
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+SORT_MEMBERS_CTORS_1ST = NO
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+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
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+
+SORT_GROUP_NAMES       = NO
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+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
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+SORT_BY_SCOPE_NAME     = NO
+
+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
+# type resolution of all parameters of a function it will reject a match between
+# the prototype and the implementation of a member function even if there is
+# only one candidate or it is obvious which candidate to choose by doing a
+# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
+# accept a match between prototype and implementation in such cases.
+# The default value is: NO.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable ( YES) or disable ( NO) the
+# todo list. This list is created by putting \todo commands in the
+# documentation.
+# The default value is: YES.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable ( YES) or disable ( NO) the
+# test list. This list is created by putting \test commands in the
+# documentation.
+# The default value is: YES.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable ( YES) or disable ( NO) the bug
+# list. This list is created by putting \bug commands in the documentation.
+# The default value is: YES.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable ( YES) or disable ( NO)
+# the deprecated list. This list is created by putting \deprecated commands in
+# the documentation.
+# The default value is: YES.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional documentation
+# sections, marked by \if <section_label> ... \endif and \cond <section_label>
+# ... \endcond blocks.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
+# initial value of a variable or macro / define can have for it to appear in the
+# documentation. If the initializer consists of more lines than specified here
+# it will be hidden. Use a value of 0 to hide initializers completely. The
+# appearance of the value of individual variables and macros / defines can be
+# controlled using \showinitializer or \hideinitializer command in the
+# documentation regardless of this setting.
+# Minimum value: 0, maximum value: 10000, default value: 30.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
+# the bottom of the documentation of classes and structs. If set to YES the list
+# will mention the files that were used to generate the documentation.
+# The default value is: YES.
+
+SHOW_USED_FILES        = YES
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
+# will remove the Files entry from the Quick Index and from the Folder Tree View
+# (if specified).
+# The default value is: YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
+# page. This will remove the Namespaces entry from the Quick Index and from the
+# Folder Tree View (if specified).
+# The default value is: YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command command input-file, where command is the value of the
+# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
+# by doxygen. Whatever the program writes to standard output is used as the file
+# version. For an example see the documentation.
+
+FILE_VERSION_FILTER    =
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. To create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option. You can
+# optionally specify a file name after the option, if omitted DoxygenLayout.xml
+# will be used as the name of the layout file.
+#
+# Note that if you run doxygen from a directory containing a file called
+# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
+# tag is left empty.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
+# the reference definitions. This must be a list of .bib files. The .bib
+# extension is automatically appended if omitted. This requires the bibtex tool
+# to be installed. See also http://en.wikipedia.org/wiki/BibTeX for more info.
+# For LaTeX the style of the bibliography can be controlled using
+# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
+# search path. Do not use file names with spaces, bibtex cannot handle them. See
+# also \cite for info how to create references.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# Configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated to
+# standard output by doxygen. If QUIET is set to YES this implies that the
+# messages are off.
+# The default value is: NO.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated to standard error ( stderr) by doxygen. If WARNINGS is set to YES
+# this implies that the warnings are on.
+#
+# Tip: Turn warnings on while writing the documentation.
+# The default value is: YES.
+
+WARNINGS               = YES
+
+# If the WARN_IF_UNDOCUMENTED tag is set to YES, then doxygen will generate
+# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
+# will automatically be disabled.
+# The default value is: YES.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some parameters
+# in a documented function, or documenting parameters that don't exist or using
+# markup commands wrongly.
+# The default value is: YES.
+
+WARN_IF_DOC_ERROR      = YES
+
+# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
+# are documented, but have no documentation for their parameters or return
+# value. If set to NO doxygen will only warn about wrong or incomplete parameter
+# documentation, but not about the absence of documentation.
+# The default value is: NO.
+
+WARN_NO_PARAMDOC       = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that doxygen
+# can produce. The string should contain the $file, $line, and $text tags, which
+# will be replaced by the file and line number from which the warning originated
+# and the warning text. Optionally the format may contain $version, which will
+# be replaced by the version of the file (if it could be obtained via
+# FILE_VERSION_FILTER)
+# The default value is: $file:$line: $text.
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning and error
+# messages should be written. If left blank the output is written to standard
+# error (stderr).
+
+WARN_LOGFILE           =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag is used to specify the files and/or directories that contain
+# documented source files. You may enter file names like myfile.cpp or
+# directories like /usr/src/myproject. Separate the files or directories with
+# spaces.
+# Note: If this tag is empty the current directory is searched.
+
+INPUT                  =
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
+# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
+# documentation (see: http://www.gnu.org/software/libiconv) for the list of
+# possible encodings.
+# The default value is: UTF-8.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
+# *.h) to filter out the source-files in the directories. If left blank the
+# following patterns are tested:*.c, *.cc, *.cxx, *.cpp, *.c++, *.java, *.ii,
+# *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h, *.hh, *.hxx, *.hpp,
+# *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc, *.m, *.markdown,
+# *.md, *.mm, *.dox, *.py, *.f90, *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf,
+# *.qsf, *.as and *.js.
+
+FILE_PATTERNS          =
+
+# The RECURSIVE tag can be used to specify whether or not subdirectories should
+# be searched for input files as well.
+# The default value is: NO.
+
+RECURSIVE              = NO
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+#
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                =
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+# The default value is: NO.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories.
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories use the pattern */test/*
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or directories
+# that contain example code fragments that are included (see the \include
+# command).
+
+EXAMPLE_PATH           = ../testsuite
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
+# *.h) to filter out the source-files in the directories. If left blank all
+# files are included.
+
+EXAMPLE_PATTERNS       =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude commands
+# irrespective of the value of the RECURSIVE tag.
+# The default value is: NO.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or directories
+# that contain images that are to be included in the documentation (see the
+# \image command).
+
+IMAGE_PATH             =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command:
+#
+# <filter> <input-file>
+#
+# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
+# name of an input file. Doxygen will then use the output that the filter
+# program writes to standard output. If FILTER_PATTERNS is specified, this tag
+# will be ignored.
+#
+# Note that the filter must not add or remove lines; it is applied before the
+# code is scanned, but not when the output code is generated. If lines are added
+# or removed, the anchors will not be placed correctly.
+
+INPUT_FILTER           =
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis. Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match. The filters are a list of the form: pattern=filter
+# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
+# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
+# patterns match the file name, INPUT_FILTER is applied.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER ) will also be used to filter the input files that are used for
+# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
+# The default value is: NO.
+
+FILTER_SOURCE_FILES    = NO
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
+# it is also possible to disable source filtering for a specific pattern using
+# *.ext= (so without naming a filter).
+# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.
+
+FILTER_SOURCE_PATTERNS =
+
+# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page
+# (index.html). This can be useful if you have a project on for instance GitHub
+# and want to reuse the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE =
+
+#---------------------------------------------------------------------------
+# Configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
+# generated. Documented entities will be cross-referenced with these sources.
+#
+# Note: To get rid of all source code in the generated output, make sure that
+# also VERBATIM_HEADERS is set to NO.
+# The default value is: NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body of functions,
+# classes and enums directly into the documentation.
+# The default value is: NO.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
+# special comment blocks from generated source code fragments. Normal C, C++ and
+# Fortran comments will always remain visible.
+# The default value is: YES.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
+# function all documented functions referencing it will be listed.
+# The default value is: NO.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES then for each documented function
+# all documented entities called/used by that function will be listed.
+# The default value is: NO.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
+# to YES, then the hyperlinks from functions in REFERENCES_RELATION and
+# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
+# link to the documentation.
+# The default value is: YES.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
+# source code will show a tooltip with additional information such as prototype,
+# brief description and links to the definition and documentation. Since this
+# will make the HTML file larger and loading of large files a bit slower, you
+# can opt to disable this feature.
+# The default value is: YES.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+SOURCE_TOOLTIPS        = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code will
+# point to the HTML generated by the htags(1) tool instead of doxygen built-in
+# source browser. The htags tool is part of GNU's global source tagging system
+# (see http://www.gnu.org/software/global/global.html). You will need version
+# 4.8.6 or higher.
+#
+# To use it do the following:
+# - Install the latest version of global
+# - Enable SOURCE_BROWSER and USE_HTAGS in the config file
+# - Make sure the INPUT points to the root of the source tree
+# - Run doxygen as normal
+#
+# Doxygen will invoke htags (and that will in turn invoke gtags), so these
+# tools must be available from the command line (i.e. in the search path).
+#
+# The result: instead of the source browser generated by doxygen, the links to
+# source code will now point to the output of htags.
+# The default value is: NO.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
+# verbatim copy of the header file for each class for which an include is
+# specified. Set to NO to disable this.
+# See also: Section \class.
+# The default value is: YES.
+
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
+# compounds will be generated. Enable this if the project contains a lot of
+# classes, structs, unions or interfaces.
+# The default value is: YES.
+
+ALPHABETICAL_INDEX     = NO
+
+# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in
+# which the alphabetical index list will be split.
+# Minimum value: 1, maximum value: 20, default value: 5.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all classes will
+# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
+# can be used to specify a prefix (or a list of prefixes) that should be ignored
+# while generating the index headers.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+IGNORE_PREFIX          =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES doxygen will generate HTML output
+# The default value is: YES.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
+# generated HTML page (for example: .htm, .php, .asp).
+# The default value is: .html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
+# each generated HTML page. If the tag is left blank doxygen will generate a
+# standard header.
+#
+# To get valid HTML the header file that includes any scripts and style sheets
+# that doxygen needs, which is dependent on the configuration options used (e.g.
+# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
+# default header using
+# doxygen -w html new_header.html new_footer.html new_stylesheet.css
+# YourConfigFile
+# and then modify the file new_header.html. See also section "Doxygen usage"
+# for information on how to generate the default header that doxygen normally
+# uses.
+# Note: The header is subject to change so you typically have to regenerate the
+# default header when upgrading to a newer version of doxygen. For a description
+# of the possible markers and block names see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
+# generated HTML page. If the tag is left blank doxygen will generate a standard
+# footer. See HTML_HEADER for more information on how to generate a default
+# footer and what special commands can be used inside the footer. See also
+# section "Doxygen usage" for information on how to generate the default footer
+# that doxygen normally uses.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
+# sheet that is used by each HTML page. It can be used to fine-tune the look of
+# the HTML output. If left blank doxygen will generate a default style sheet.
+# See also section "Doxygen usage" for information on how to generate the style
+# sheet that doxygen normally uses.
+# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
+# it is more robust and this tag (HTML_STYLESHEET) will in the future become
+# obsolete.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_STYLESHEET tag can be used to specify an additional user-
+# defined cascading style sheet that is included after the standard style sheets
+# created by doxygen. Using this option one can overrule certain style aspects.
+# This is preferred over using HTML_STYLESHEET since it does not replace the
+# standard style sheet and is therefor more robust against future updates.
+# Doxygen will copy the style sheet file to the output directory. For an example
+# see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_STYLESHEET  =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
+# files will be copied as-is; there are no commands or markers available.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
+# will adjust the colors in the stylesheet and background images according to
+# this color. Hue is specified as an angle on a colorwheel, see
+# http://en.wikipedia.org/wiki/Hue for more information. For instance the value
+# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
+# purple, and 360 is red again.
+# Minimum value: 0, maximum value: 359, default value: 220.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
+# in the HTML output. For a value of 0 the output will use grayscales only. A
+# value of 255 will produce the most vivid colors.
+# Minimum value: 0, maximum value: 255, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
+# luminance component of the colors in the HTML output. Values below 100
+# gradually make the output lighter, whereas values above 100 make the output
+# darker. The value divided by 100 is the actual gamma applied, so 80 represents
+# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
+# change the gamma.
+# Minimum value: 40, maximum value: 240, default value: 80.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting this
+# to NO can help when comparing the output of multiple runs.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_TIMESTAMP         = YES
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
+# shown in the various tree structured indices initially; the user can expand
+# and collapse entries dynamically later on. Doxygen will expand the tree to
+# such a level that at most the specified number of entries are visible (unless
+# a fully collapsed tree already exceeds this amount). So setting the number of
+# entries 1 will produce a full collapsed tree by default. 0 is a special value
+# representing an infinite number of entries and will result in a full expanded
+# tree by default.
+# Minimum value: 0, maximum value: 9999, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files will be
+# generated that can be used as input for Apple's Xcode 3 integrated development
+# environment (see: http://developer.apple.com/tools/xcode/), introduced with
+# OSX 10.5 (Leopard). To create a documentation set, doxygen will generate a
+# Makefile in the HTML output directory. Running make will produce the docset in
+# that directory and running make install will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
+# startup. See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
+# for more information.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_DOCSET        = NO
+
+# This tag determines the name of the docset feed. A documentation feed provides
+# an umbrella under which multiple documentation sets from a single provider
+# (such as a company or product suite) can be grouped.
+# The default value is: Doxygen generated docs.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# This tag specifies a string that should uniquely identify the documentation
+# set bundle. This should be a reverse domain-name style string, e.g.
+# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
+# the documentation publisher. This should be a reverse domain-name style
+# string, e.g. com.mycompany.MyDocSet.documentation.
+# The default value is: org.doxygen.Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
+# The default value is: Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
+# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
+# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
+# (see: http://www.microsoft.com/en-us/download/details.aspx?id=21138) on
+# Windows.
+#
+# The HTML Help Workshop contains a compiler that can convert all HTML output
+# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
+# files are now used as the Windows 98 help format, and will replace the old
+# Windows help format (.hlp) on all Windows platforms in the future. Compressed
+# HTML files also contain an index, a table of contents, and you can search for
+# words in the documentation. The HTML workshop also contains a viewer for
+# compressed HTML files.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_HTMLHELP      = NO
+
+# The CHM_FILE tag can be used to specify the file name of the resulting .chm
+# file. You can add a path in front of the file if the result should not be
+# written to the html output directory.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_FILE               =
+
+# The HHC_LOCATION tag can be used to specify the location (absolute path
+# including file name) of the HTML help compiler ( hhc.exe). If non-empty
+# doxygen will try to run the HTML help compiler on the generated index.hhp.
+# The file has to be specified with full path.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+HHC_LOCATION           =
+
+# The GENERATE_CHI flag controls if a separate .chi index file is generated (
+# YES) or that it should be included in the master .chm file ( NO).
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+GENERATE_CHI           = NO
+
+# The CHM_INDEX_ENCODING is used to encode HtmlHelp index ( hhk), content ( hhc)
+# and project file content.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_INDEX_ENCODING     =
+
+# The BINARY_TOC flag controls whether a binary table of contents is generated (
+# YES) or a normal table of contents ( NO) in the .chm file. Furthermore it
+# enables the Previous and Next buttons.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members to
+# the table of contents of the HTML help documentation and to the tree view.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
+# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
+# (.qch) of the generated HTML documentation.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
+# the file name of the resulting .qch file. The path specified is relative to
+# the HTML output folder.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
+# Project output. For more information please see Qt Help Project / Namespace
+# (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#namespace).
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
+# Help Project output. For more information please see Qt Help Project / Virtual
+# Folders (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#virtual-
+# folders).
+# The default value is: doc.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
+# filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's filter section matches. Qt Help Project / Filter Attributes (see:
+# http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# The QHG_LOCATION tag can be used to specify the location of Qt's
+# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the
+# generated .qhp file.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
+# generated, together with the HTML files, they form an Eclipse help plugin. To
+# install this plugin and make it available under the help contents menu in
+# Eclipse, the contents of the directory containing the HTML and XML files needs
+# to be copied into the plugins directory of eclipse. The name of the directory
+# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
+# After copying Eclipse needs to be restarted before the help appears.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the Eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have this
+# name. Each documentation set should have its own identifier.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# If you want full control over the layout of the generated HTML pages it might
+# be necessary to disable the index and replace it with your own. The
+# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
+# of each HTML page. A value of NO enables the index and the value YES disables
+# it. Since the tabs in the index contain the same information as the navigation
+# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information. If the tag
+# value is set to YES, a side panel will be generated containing a tree-like
+# index structure (just like the one that is generated for HTML Help). For this
+# to work a browser that supports JavaScript, DHTML, CSS and frames is required
+# (i.e. any modern browser). Windows users are probably better off using the
+# HTML help feature. Via custom stylesheets (see HTML_EXTRA_STYLESHEET) one can
+# further fine-tune the look of the index. As an example, the default style
+# sheet generated by doxygen has an example that shows how to put an image at
+# the root of the tree instead of the PROJECT_NAME. Since the tree basically has
+# the same information as the tab index, you could consider setting
+# DISABLE_INDEX to YES when enabling this option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_TREEVIEW      = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
+# doxygen will group on one line in the generated HTML documentation.
+#
+# Note that a value of 0 will completely suppress the enum values from appearing
+# in the overview section.
+# Minimum value: 0, maximum value: 20, default value: 4.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
+# to set the initial width (in pixels) of the frame in which the tree is shown.
+# Minimum value: 0, maximum value: 1500, default value: 250.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+TREEVIEW_WIDTH         = 250
+
+# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open links to
+# external symbols imported via tag files in a separate window.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of LaTeX formulas included as images in
+# the HTML documentation. When you change the font size after a successful
+# doxygen run you need to manually remove any form_*.png images from the HTML
+# output directory to force them to be regenerated.
+# Minimum value: 8, maximum value: 50, default value: 10.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are not
+# supported properly for IE 6.0, but are supported on all modern browsers.
+#
+# Note that when changing this option you need to delete any form_*.png files in
+# the HTML output directory before the changes have effect.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_TRANSPARENT    = YES
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
+# http://www.mathjax.org) which uses client side Javascript for the rendering
+# instead of using prerendered bitmaps. Use this if you do not have LaTeX
+# installed or if you want to formulas look prettier in the HTML output. When
+# enabled you may also need to install MathJax separately and configure the path
+# to it using the MATHJAX_RELPATH option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+USE_MATHJAX            = YES
+
+# When MathJax is enabled you can set the default output format to be used for
+# the MathJax output. See the MathJax site (see:
+# http://docs.mathjax.org/en/latest/output.html) for more details.
+# Possible values are: HTML-CSS (which is slower, but has the best
+# compatibility), NativeMML (i.e. MathML) and SVG.
+# The default value is: HTML-CSS.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_FORMAT         = HTML-CSS
+
+# When MathJax is enabled you need to specify the location relative to the HTML
+# output directory using the MATHJAX_RELPATH option. The destination directory
+# should contain the MathJax.js script. For instance, if the mathjax directory
+# is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
+# Content Delivery Network so you can quickly see the result without installing
+# MathJax. However, it is strongly recommended to install a local copy of
+# MathJax from http://www.mathjax.org before deployment.
+# The default value is: http://cdn.mathjax.org/mathjax/latest.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
+# extension names that should be enabled during MathJax rendering. For example
+# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_EXTENSIONS     =
+
+# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
+# of code that will be used on startup of the MathJax code. See the MathJax site
+# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an
+# example see the documentation.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_CODEFILE       =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
+# the HTML output. The underlying search engine uses javascript and DHTML and
+# should work on any modern browser. Note that when using HTML help
+# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
+# there is already a search function so this one should typically be disabled.
+# For large projects the javascript based search engine can be slow, then
+# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
+# search using the keyboard; to jump to the search box use <access key> + S
+# (what the <access key> is depends on the OS and browser, but it is typically
+# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
+# key> to jump into the search results window, the results can be navigated
+# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
+# the search. The filter options can be selected when the cursor is inside the
+# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
+# to select a filter and <Enter> or <escape> to activate or cancel the filter
+# option.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+SEARCHENGINE           = NO
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a web server instead of a web client using Javascript. There
+# are two flavors of web server based searching depending on the EXTERNAL_SEARCH
+# setting. When disabled, doxygen will generate a PHP script for searching and
+# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing
+# and searching needs to be provided by external tools. See the section
+# "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SERVER_BASED_SEARCH    = NO
+
+# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
+# script for searching. Instead the search results are written to an XML file
+# which needs to be processed by an external indexer. Doxygen will invoke an
+# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
+# search results.
+#
+# Doxygen ships with an example indexer ( doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/).
+#
+# See the section "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH        = NO
+
+# The SEARCHENGINE_URL should point to a search engine hosted by a web server
+# which will return the search results when EXTERNAL_SEARCH is enabled.
+#
+# Doxygen ships with an example indexer ( doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/). See the section "External Indexing and
+# Searching" for details.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHENGINE_URL       =
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
+# search data is written to a file for indexing by an external tool. With the
+# SEARCHDATA_FILE tag the name of this file can be specified.
+# The default file is: searchdata.xml.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHDATA_FILE        = searchdata.xml
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
+# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
+# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
+# projects and redirect the results back to the right project.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH_ID     =
+
+# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
+# projects other than the one defined by this configuration file, but that are
+# all added to the same external search index. Each project needs to have a
+# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
+# to a relative location where the documentation can be found. The format is:
+# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTRA_SEARCH_MAPPINGS  =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES doxygen will generate LaTeX output.
+# The default value is: YES.
+
+GENERATE_LATEX         = YES
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked.
+#
+# Note that when enabling USE_PDFLATEX this option is only used for generating
+# bitmaps for formulas in the HTML output, but not in the Makefile that is
+# written to the output directory.
+# The default file is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
+# index for LaTeX.
+# The default file is: makeindex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES doxygen generates more compact LaTeX
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+COMPACT_LATEX          = YES
+
+# The PAPER_TYPE tag can be used to set the paper type that is used by the
+# printer.
+# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
+# 14 inches) and executive (7.25 x 10.5 inches).
+# The default value is: a4.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PAPER_TYPE             = a4wide
+
+# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
+# that should be included in the LaTeX output. To get the times font for
+# instance you can specify
+# EXTRA_PACKAGES=times
+# If left blank no extra packages will be included.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the
+# generated LaTeX document. The header should contain everything until the first
+# chapter. If it is left blank doxygen will generate a standard header. See
+# section "Doxygen usage" for information on how to let doxygen write the
+# default header to a separate file.
+#
+# Note: Only use a user-defined header if you know what you are doing! The
+# following commands have a special meaning inside the header: $title,
+# $datetime, $date, $doxygenversion, $projectname, $projectnumber. Doxygen will
+# replace them by respectively the title of the page, the current date and time,
+# only the current date, the version number of doxygen, the project name (see
+# PROJECT_NAME), or the project number (see PROJECT_NUMBER).
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the
+# generated LaTeX document. The footer should contain everything after the last
+# chapter. If it is left blank doxygen will generate a standard footer.
+#
+# Note: Only use a user-defined footer if you know what you are doing!
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_FOOTER           =
+
+# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the LATEX_OUTPUT output
+# directory. Note that the files will be copied as-is; there are no commands or
+# markers available.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_FILES      =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
+# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
+# contain links (just like the HTML output) instead of page references. This
+# makes the output suitable for online browsing using a PDF viewer.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PDF_HYPERLINKS         = YES
+
+# If the LATEX_PDFLATEX tag is set to YES, doxygen will use pdflatex to generate
+# the PDF file directly from the LaTeX files. Set this option to YES to get a
+# higher quality PDF documentation.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
+# command to the generated LaTeX files. This will instruct LaTeX to keep running
+# if errors occur, instead of asking the user for help. This option is also used
+# when generating formulas in HTML.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BATCHMODE        = NO
+
+# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
+# index chapters (such as File Index, Compound Index, etc.) in the output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HIDE_INDICES     = NO
+
+# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source
+# code with syntax highlighting in the LaTeX output.
+#
+# Note that which sources are shown also depends on other settings such as
+# SOURCE_BROWSER.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_SOURCE_CODE      = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. See
+# http://en.wikipedia.org/wiki/BibTeX and \cite for more info.
+# The default value is: plain.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BIB_STYLE        = plain
+
+#---------------------------------------------------------------------------
+# Configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES doxygen will generate RTF output. The
+# RTF output is optimized for Word 97 and may not look too pretty with other RTF
+# readers/editors.
+# The default value is: NO.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: rtf.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES doxygen generates more compact RTF
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
+# contain hyperlink fields. The RTF file will contain links (just like the HTML
+# output) instead of page references. This makes the output suitable for online
+# browsing using Word or some other Word compatible readers that support those
+# fields.
+#
+# Note: WordPad (write) and others do not support links.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's config
+# file, i.e. a series of assignments. You only have to provide replacements,
+# missing definitions are set to their default value.
+#
+# See also section "Doxygen usage" for information on how to generate the
+# default style sheet that doxygen normally uses.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an RTF document. Syntax is
+# similar to doxygen's config file. A template extensions file can be generated
+# using doxygen -e rtf extensionFile.
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diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.c
new file mode 100644
index 0000000..99978f7
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.c
@@ -0,0 +1,1193 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+*    Copyright (C) 2008-2010 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "brilliantrussian.h"
+#include "xor.h"
+#include "graycode.h"
+#include "echelonform.h"
+#include "ple_russian.h"
+
+/**
+ * \brief Perform Gaussian reduction to reduced row echelon form on a
+ * submatrix.
+ *
+ * The submatrix has dimension at most k starting at r x c of A. Checks
+ * for pivot rows up to row endrow (exclusive). Terminates as soon as
+ * finding a pivot column fails.
+ *
+ * \param A Matrix.
+ * \param r First row.
+ * \param c First column.
+ * \param k Maximal dimension of identity matrix to produce.
+ * \param end_row Maximal row index (exclusive) for rows to consider
+ * for inclusion.
+ */
+
+static inline int _mzd_gauss_submatrix_full(mzd_t *A, rci_t r, rci_t c, rci_t end_row, int k) {
+  assert(k <= m4ri_radix);
+  rci_t start_row = r;
+  rci_t j;
+  for (j = c; j < c + k; ++j) {
+    int found = 0;
+    for (rci_t i = start_row; i < end_row; ++i) {
+      /* first we need to clear the first columns */
+      word const tmp = mzd_read_bits(A, i, c, j - c + 1);
+      if(tmp) {
+        for (int l = 0; l < j - c; ++l)
+          if (__M4RI_GET_BIT(tmp, l))
+            mzd_row_add_offset(A, i, r+l, c+l);
+
+        /* pivot? */
+        if (mzd_read_bit(A, i, j)) {
+          mzd_row_swap(A, i, start_row);
+          /* clear above */
+          for (rci_t l = r; l < start_row; ++l) {
+            if (mzd_read_bit(A, l, j)) {
+              mzd_row_add_offset(A, l, start_row, j);
+            }
+          }
+          ++start_row;
+          found = 1;
+          break;
+        }
+      }
+    }
+    if (found == 0) {
+      break;
+    }
+  }
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_INT(j - c);
+  return j - c;
+}
+
+/**
+ * \brief Perform Gaussian reduction to upper triangular matrix on a
+ * submatrix.
+ *
+ * The submatrix has dimension at most k starting at r x c of A. Checks
+ * for pivot rows up to row end_row (exclusive). Terminates as soon as
+ * finding a pivot column fails.
+ *
+ * \param A Matrix.
+ * \param r First row.
+ * \param c First column.
+ * \param k Maximal dimension of identity matrix to produce.
+ * \param end_row Maximal row index (exclusive) for rows to consider
+ * for inclusion.
+ */
+
+static inline int _mzd_gauss_submatrix(mzd_t *A, rci_t r, rci_t c, rci_t end_row, int k) {
+  rci_t start_row = r;
+  int found;
+  rci_t j;
+  for (j = c; j < c+k; ++j) {
+    found = 0;
+    for (rci_t i = start_row; i < end_row; ++i) {
+      /* first we need to clear the first columns */
+      for (int l = 0; l < j - c; ++l)
+        if (mzd_read_bit(A, i, c+l))
+          mzd_row_add_offset(A, i, r+l, c+l);
+
+      /* pivot? */
+      if (mzd_read_bit(A, i, j)) {
+        mzd_row_swap(A, i, start_row);
+        start_row++;
+        found = 1;
+        break;
+      }
+    }
+    if (found == 0) {
+      break;
+    }
+  }
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_INT(j - c);
+  return j - c;
+}
+
+/**
+ * \brief Given a submatrix in upper triangular form compute the
+ * reduced row echelon form.
+ *
+ * The submatrix has dimension at most k starting at r x c of A. Checks
+ * for pivot rows up to row end_row (exclusive). Terminates as soon as
+ * finding a pivot column fails.
+ *
+ * \param A Matrix.
+ * \param r First row.
+ * \param c First column.
+ * \param k Maximal dimension of identity matrix to produce.
+ * \param end_row Maximal row index (exclusive) for rows to consider
+ * for inclusion.
+ */
+
+static inline int _mzd_gauss_submatrix_top(mzd_t *A, rci_t r, rci_t c, int k) {
+  rci_t start_row = r;
+  for (rci_t j = c; j < c + k; ++j) {
+    for (rci_t l = r; l < start_row; ++l) {
+      if (mzd_read_bit(A, l, j)) {
+        mzd_row_add_offset(A, l, start_row, j);
+      }
+    }
+    ++start_row;
+  }
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_INT(k);
+  return k;
+}
+
+static inline void _mzd_copy_back_rows(mzd_t *A, mzd_t const *U, rci_t r, rci_t c, int k) {
+  wi_t const startblock = c / m4ri_radix;
+  wi_t const width = A->width - startblock;
+  for (int i = 0; i < k; ++i) {
+    word const *const src = U->rows[i] + startblock;
+    word *const dst = A->rows[r+i] + startblock;
+    for (wi_t j = 0; j < width; ++j) {
+      dst[j] = src[j];
+    }
+  }
+  __M4RI_DD_MZD(A);
+}
+
+void mzd_make_table(mzd_t const *M, rci_t r, rci_t c, int k, mzd_t *T, rci_t *L)
+{
+  wi_t const homeblock = c / m4ri_radix;
+  word const mask_end = __M4RI_LEFT_BITMASK(M->ncols % m4ri_radix);
+  word const pure_mask_begin = __M4RI_RIGHT_BITMASK(m4ri_radix - (c % m4ri_radix));
+  word const mask_begin = (M->width - homeblock != 1) ? pure_mask_begin : pure_mask_begin & mask_end;
+  wi_t const wide = M->width - homeblock;
+
+  int const twokay = __M4RI_TWOPOW(k);
+  L[0] = 0;
+  for (rci_t i = 1; i < twokay; ++i) {
+    word *ti = T->rows[i] + homeblock;
+    word *ti1 = T->rows[i-1] + homeblock;
+
+    rci_t const rowneeded = r + m4ri_codebook[k]->inc[i - 1];
+    int const id = m4ri_codebook[k]->ord[i];
+    L[id] = i;
+
+    if (rowneeded >= M->nrows)
+      continue;
+
+    word *m = M->rows[rowneeded] + homeblock;
+
+    *ti++ = (*m++ ^ *ti1++) & mask_begin;
+
+    wi_t j;
+    for(j = 1; j + 8 <= wide - 1; j += 8) {
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+      *ti++ = *m++ ^ *ti1++;
+    }
+    switch(wide - j) {
+    case 8:  *ti++ = *m++ ^ *ti1++;
+    case 7:  *ti++ = *m++ ^ *ti1++;
+    case 6:  *ti++ = *m++ ^ *ti1++;
+    case 5:  *ti++ = *m++ ^ *ti1++;
+    case 4:  *ti++ = *m++ ^ *ti1++;
+    case 3:  *ti++ = *m++ ^ *ti1++;
+    case 2:  *ti++ = *m++ ^ *ti1++;
+    case 1:  *ti++ = (*m++ ^ *ti1++) & mask_end;
+    }
+  }
+  __M4RI_DD_MZD(T);
+  __M4RI_DD_RCI_ARRAY(L, twokay);
+}
+
+void mzd_process_rows(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k, mzd_t const *T, rci_t const *L) {
+  wi_t const block = startcol / m4ri_radix;
+  wi_t const wide = M->width - block;
+  wi_t const count = (wide + 7) / 8;	/* Unrolled loop count */
+  int const entry_point = wide % 8;	/* Unrolled loop entry point */
+
+  if(k == 1) {
+    word const bm = m4ri_one << (startcol % m4ri_radix);
+
+    rci_t r;
+    for (r = startrow; r + 2 <= stoprow; r += 2) {
+      word const b0 = M->rows[r+0][block] & bm;
+      word const b1 = M->rows[r+1][block] & bm;
+
+      word *m0 = M->rows[r+0] + block;
+      word *m1 = M->rows[r+1] + block;
+      word *t = T->rows[1] + block;
+
+      wi_t n = count;
+      if((b0 & b1)) {
+	switch (entry_point) {
+	case 0: do { *m0++ ^= *t; *m1++ ^= *t++;
+	  case 7:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 6:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 5:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 4:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 3:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 2:    *m0++ ^= *t; *m1++ ^= *t++;
+	  case 1:    *m0++ ^= *t; *m1++ ^= *t++;
+	  } while (--n > 0);
+	}
+      } else if(b0) {
+	switch (entry_point) {
+	case 0: do { *m0++ ^= *t++;
+	  case 7:    *m0++ ^= *t++;
+	  case 6:    *m0++ ^= *t++;
+	  case 5:    *m0++ ^= *t++;
+	  case 4:    *m0++ ^= *t++;
+	  case 3:    *m0++ ^= *t++;
+	  case 2:    *m0++ ^= *t++;
+	  case 1:    *m0++ ^= *t++;
+	  } while (--n > 0);
+	}
+      } else if(b1) {
+	switch (entry_point) {
+	case 0: do { *m1++ ^= *t++;
+	  case 7:    *m1++ ^= *t++;
+	  case 6:    *m1++ ^= *t++;
+	  case 5:    *m1++ ^= *t++;
+	  case 4:    *m1++ ^= *t++;
+	  case 3:    *m1++ ^= *t++;
+	  case 2:    *m1++ ^= *t++;
+	  case 1:    *m1++ ^= *t++;
+	  } while (--n > 0);
+	}
+      }
+    }
+
+    /* TODO: this code is a bit silly/overkill, it just takes care of the last row */
+    for( ; r < stoprow; ++r) {
+      rci_t const x0 = L[ mzd_read_bits_int(M, r, startcol, k) ];
+
+      word *m0 = M->rows[r] + block;
+      word *t0 = T->rows[x0] + block;
+
+      wi_t n = count;
+      switch (entry_point) {
+      case 0: do { *m0++ ^= *t0++;
+        case 7:    *m0++ ^= *t0++;
+        case 6:    *m0++ ^= *t0++;
+        case 5:    *m0++ ^= *t0++;
+        case 4:    *m0++ ^= *t0++;
+        case 3:    *m0++ ^= *t0++;
+        case 2:    *m0++ ^= *t0++;
+        case 1:    *m0++ ^= *t0++;
+        } while (--n > 0);
+      }
+    }
+    __M4RI_DD_MZD(M);
+    return;
+  }
+
+  rci_t r;
+  for (r = startrow; r + 2 <= stoprow; r += 2) {
+    rci_t const x0 = L[ mzd_read_bits_int(M, r+0, startcol, k) ];
+    rci_t const x1 = L[ mzd_read_bits_int(M, r+1, startcol, k) ];
+
+    word *m0 = M->rows[r+0] + block;
+    word *t0 = T->rows[x0] + block;
+
+    word *m1 = M->rows[r+1] + block;
+    word *t1 = T->rows[x1] + block;
+
+    wi_t n = count;
+    switch (entry_point) {
+    case 0: do { *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 7:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 6:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 5:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 4:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 3:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 2:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      case 1:    *m0++ ^= *t0++; *m1++ ^= *t1++;
+      } while (--n > 0);
+    }
+  }
+
+  for( ; r < stoprow; ++r) {
+    rci_t const x0 = L[ mzd_read_bits_int(M, r, startcol, k) ];
+
+    word *m0 = M->rows[r] + block;
+    word *t0 = T->rows[x0] + block;
+
+    wi_t n = count;
+    switch (entry_point) {
+    case 0: do { *m0++ ^= *t0++;
+      case 7:    *m0++ ^= *t0++;
+      case 6:    *m0++ ^= *t0++;
+      case 5:    *m0++ ^= *t0++;
+      case 4:    *m0++ ^= *t0++;
+      case 3:    *m0++ ^= *t0++;
+      case 2:    *m0++ ^= *t0++;
+      case 1:    *m0++ ^= *t0++;
+      } while (--n > 0);
+    }
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void mzd_process_rows2(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1) {
+  assert(k <= m4ri_radix);
+  wi_t const blocknum = startcol / m4ri_radix;
+  wi_t const wide = M->width - blocknum;
+
+  int const ka = k / 2;
+  int const kb = k - k / 2;
+
+  rci_t r;
+
+  word const ka_bm = __M4RI_LEFT_BITMASK(ka);
+  word const kb_bm = __M4RI_LEFT_BITMASK(kb);
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for private(r) shared(startrow, stoprow) schedule(static,512) // MAX((__M4RI_CPU_L1_CACHE >> 3) / wide,
+#endif
+  for(r = startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, k);
+    rci_t const x0 = L0[ bits & ka_bm ]; bits>>=ka;
+    rci_t const x1 = L1[ bits & kb_bm ];
+    if((x0 | x1) == 0)	// x0 == 0 && x1 == 0
+      continue;
+    word *m0 = M->rows[r] + blocknum;
+    word const *t[2];
+    t[0] = T0->rows[x0] + blocknum;
+    t[1] = T1->rows[x1] + blocknum;
+
+    _mzd_combine_2( m0, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void mzd_process_rows3(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1, mzd_t const *T2, rci_t const *L2) {
+  assert(k <= m4ri_radix);
+  wi_t const blocknum = startcol / m4ri_radix;
+  wi_t const wide = M->width - blocknum;
+
+  int rem = k % 3;
+
+  int const ka = k / 3 + ((rem >= 2) ? 1 : 0);
+  int const kb = k / 3 + ((rem >= 1) ? 1 : 0);
+  int const kc = k / 3;
+
+  rci_t r;
+
+  word const ka_bm = __M4RI_LEFT_BITMASK(ka);
+  word const kb_bm = __M4RI_LEFT_BITMASK(kb);
+  word const kc_bm = __M4RI_LEFT_BITMASK(kc);
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for private(r) shared(startrow, stoprow) schedule(static,512) //if(stoprow-startrow > 128)
+#endif
+  for(r= startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, k);
+    rci_t const x0 = L0[ bits & ka_bm ]; bits>>=ka;
+    rci_t const x1 = L1[ bits & kb_bm ]; bits>>=kb;
+    rci_t const x2 = L2[ bits & kc_bm ];
+    if((x0 | x1 | x2) == 0) // x0 == 0 && x1 == 0 && x2 == 0
+      continue;
+
+    word *m0 = M->rows[r] + blocknum;
+    word const *t[3];
+    t[0] = T0->rows[x0] + blocknum;
+    t[1] = T1->rows[x1] + blocknum;
+    t[2] = T2->rows[x2] + blocknum;
+
+    _mzd_combine_3( m0, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void mzd_process_rows4(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1, mzd_t const *T2, rci_t const *L2, 
+                       mzd_t const *T3, rci_t const *L3) {
+  assert(k <= m4ri_radix);
+  wi_t const blocknum = startcol / m4ri_radix;
+  wi_t const wide = M->width - blocknum;
+
+  int const rem = k % 4;
+
+  int const ka = k / 4 + ((rem >= 3) ? 1 : 0);
+  int const kb = k / 4 + ((rem >= 2) ? 1 : 0);
+  int const kc = k / 4 + ((rem >= 1) ? 1 : 0);
+  int const kd = k / 4;
+
+  rci_t r;
+
+  word const ka_bm = __M4RI_LEFT_BITMASK(ka);
+  word const kb_bm = __M4RI_LEFT_BITMASK(kb);
+  word const kc_bm = __M4RI_LEFT_BITMASK(kc);
+  word const kd_bm = __M4RI_LEFT_BITMASK(kd);
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for private(r) shared(startrow, stoprow) schedule(static,512) //if(stoprow-startrow > 128)
+#endif
+  for(r = startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, k);
+    rci_t const x0 = L0[ bits & ka_bm ]; bits>>=ka;
+    rci_t const x1 = L1[ bits & kb_bm ]; bits>>=kb;
+    rci_t const x2 = L2[ bits & kc_bm ]; bits>>=kc;
+    rci_t const x3 = L3[ bits & kd_bm ];
+    if(((x0 | x1) | (x2 | x3)) == 0) // x0 == 0 && x1 == 0 && x2 == 0 && x3 == 0
+      continue;
+
+    word *m0 = M->rows[r] + blocknum;
+    word const *t[4];
+    t[0] = T0->rows[x0] + blocknum;
+    t[1] = T1->rows[x1] + blocknum;
+    t[2] = T2->rows[x2] + blocknum;
+    t[3] = T3->rows[x3] + blocknum;
+
+    _mzd_combine_4( m0, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void mzd_process_rows5(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1, mzd_t const *T2, rci_t const *L2,
+		       mzd_t const *T3, rci_t const *L3, mzd_t const *T4, rci_t const *L4) {
+  assert(k <= m4ri_radix);
+  wi_t const blocknum = startcol / m4ri_radix;
+  wi_t const wide = M->width - blocknum;
+  int rem = k % 5;
+
+  int const ka = k / 5 + ((rem >= 4) ? 1 : 0);
+  int const kb = k / 5 + ((rem >= 3) ? 1 : 0);
+  int const kc = k / 5 + ((rem >= 2) ? 1 : 0);
+  int const kd = k / 5 + ((rem >= 1) ? 1 : 0);
+  int const ke = k / 5;
+
+  rci_t r;
+
+  word const ka_bm = __M4RI_LEFT_BITMASK(ka);
+  word const kb_bm = __M4RI_LEFT_BITMASK(kb);
+  word const kc_bm = __M4RI_LEFT_BITMASK(kc);
+  word const kd_bm = __M4RI_LEFT_BITMASK(kd);
+  word const ke_bm = __M4RI_LEFT_BITMASK(ke);
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for private(r) shared(startrow, stoprow) schedule(static,512) //if(stoprow-startrow > 128)
+#endif
+  for(r = startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, k);
+    rci_t const x0 = L0[ bits & ka_bm ]; bits>>=ka;
+    rci_t const x1 = L1[ bits & kb_bm ]; bits>>=kb;
+    rci_t const x2 = L2[ bits & kc_bm ]; bits>>=kc;
+    rci_t const x3 = L3[ bits & kd_bm ]; bits>>=kd;
+    rci_t const x4 = L4[ bits & ke_bm ];
+
+    if(((x0 | x1 | x2) | (x3 | x4)) == 0) // x0 == 0 && x1 == 0 && x2 == 0 && x3 == 0 && x4 == 0
+      continue;
+
+    word *m0 = M->rows[r] + blocknum;
+    word const *t[5];
+    t[0] = T0->rows[x0] + blocknum;
+    t[1] = T1->rows[x1] + blocknum;
+    t[2] = T2->rows[x2] + blocknum;
+    t[3] = T3->rows[x3] + blocknum;
+    t[4] = T4->rows[x4] + blocknum;
+
+    _mzd_combine_5( m0, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void mzd_process_rows6(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1, mzd_t const *T2,
+		       rci_t const *L2, mzd_t const *T3, rci_t const *L3, mzd_t const *T4, rci_t const *L4,
+		       mzd_t const *T5, rci_t const *L5) {
+  assert(k <= m4ri_radix);
+  wi_t const blocknum = startcol / m4ri_radix;
+  wi_t const wide = M->width - blocknum;
+
+  int const rem = k % 6;
+
+  int const ka = k / 6 + ((rem >= 5) ? 1 : 0);
+  int const kb = k / 6 + ((rem >= 4) ? 1 : 0);
+  int const kc = k / 6 + ((rem >= 3) ? 1 : 0);
+  int const kd = k / 6 + ((rem >= 2) ? 1 : 0);
+  int const ke = k / 6 + ((rem >= 1) ? 1 : 0);;
+  int const kf = k / 6;
+
+  rci_t r;
+
+  word const ka_bm = __M4RI_LEFT_BITMASK(ka);
+  word const kb_bm = __M4RI_LEFT_BITMASK(kb);
+  word const kc_bm = __M4RI_LEFT_BITMASK(kc);
+  word const kd_bm = __M4RI_LEFT_BITMASK(kd);
+  word const ke_bm = __M4RI_LEFT_BITMASK(ke);
+  word const kf_bm = __M4RI_LEFT_BITMASK(kf);
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for private(r) shared(startrow, stoprow) schedule(static,512) //if(stoprow-startrow > 128)
+#endif
+  for(r = startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, k);
+    rci_t const x0 = L0[ bits & ka_bm ]; bits>>=ka;
+    rci_t const x1 = L1[ bits & kb_bm ]; bits>>=kb;
+    rci_t const x2 = L2[ bits & kc_bm ]; bits>>=kc;
+    rci_t const x3 = L3[ bits & kd_bm ]; bits>>=kd;
+    rci_t const x4 = L4[ bits & ke_bm ]; bits>>=ke;
+    rci_t const x5 = L5[ bits & kf_bm ];
+
+    /* Waste three clocks on OR-ing (modern CPU can do three in
+     * parallel) to avoid possible multiple conditional jumps. */
+    if(((x0 | x1) | (x2 | x3) | (x4 | x5)) == 0) // x0 == 0 && x1 == 0 && x2 == 0 && x3 == 0 && x4 == 0 && x5 == 0
+      continue;
+
+    word *m0 = M->rows[r] + blocknum;
+    word const *t[6];
+    t[0] = T0->rows[x0] + blocknum;
+    t[1] = T1->rows[x1] + blocknum;
+    t[2] = T2->rows[x2] + blocknum;
+    t[3] = T3->rows[x3] + blocknum;
+    t[4] = T4->rows[x4] + blocknum;
+    t[5] = T5->rows[x5] + blocknum;
+
+    _mzd_combine_6( m0, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+rci_t _mzd_echelonize_m4ri(mzd_t *A, int const full, int k, int heuristic, double const threshold) {
+  /**
+   * \par General algorithm
+   * \li Step 1.Denote the first column to be processed in a given
+   * iteration as \f$a_i\f$. Then, perform Gaussian elimination on the
+   * first \f$3k\f$ rows after and including the \f$i\f$-th row to
+   * produce an identity matrix in \f$a_{i,i} ... a_{i+k-1,i+k-1},\f$
+   * and zeroes in \f$a_{i+k,i} ... a_{i+3k-1,i+k-1}\f$.
+   *
+   * \li Step 2. Construct a table consisting of the \f$2^k\f$ binary strings of
+   * length k in a Gray code.  Thus with only \f$2^k\f$ vector
+   * additions, all possible linear combinations of these k rows
+   * have been precomputed.
+   *
+   * \li Step 3. One can rapidly process the remaining rows from \f$i +
+   * 3k\f$ until row \f$m\f$ (the last row) by using the table. For
+   * example, suppose the \f$j\f$-th row has entries \f$a_{j,i}
+   * ... a_{j,i+k-1}\f$ in the columns being processed. Selecting the
+   * row of the table associated with this k-bit string, and adding it
+   * to row j will force the k columns to zero, and adjust the
+   * remaining columns from \f$ i + k\f$ to n in the appropriate way,
+   * as if Gaussian elimination had been performed.
+   *
+   * \li Step 4. While the above form of the algorithm will reduce a
+   * system of boolean linear equations to unit upper triangular form,
+   * and thus permit a system to be solved with back substitution, the
+   * M4RI algorithm can also be used to invert a matrix, or put the
+   * system into reduced row echelon form (RREF). Simply run Step 3
+   * on rows \f$0 ... i-1\f$ as well as on rows \f$i + 3k
+   * ... m\f$. This only affects the complexity slightly, changing the
+   * 2.5 coeffcient to 3.
+   *
+   * \attention This function implements a variant of the algorithm
+   * described above. If heuristic is true, then this algorithm, will
+   * switch to PLUQ based echelon form computation once the density
+   * reaches the threshold.
+   */
+  rci_t const ncols = A->ncols;
+
+  if (k == 0) {
+    k = m4ri_opt_k(A->nrows, ncols, 0);
+    if (k >= 7)
+      k = 7;
+    if (0.75 * __M4RI_TWOPOW(k) * ncols > __M4RI_CPU_L3_CACHE / 2.0)
+      k -= 1;
+  }
+  int kk = 6 * k;
+
+  mzd_t *U  = mzd_init(kk, ncols);
+  mzd_t *T0 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  mzd_t *T1 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  mzd_t *T2 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  mzd_t *T3 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  mzd_t *T4 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  mzd_t *T5 = mzd_init(__M4RI_TWOPOW(k), ncols);
+  rci_t *L0 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L1 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L2 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L3 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L4 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L5 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+
+  rci_t last_check = 0;
+  rci_t r = 0;
+  rci_t c = 0;
+
+  if (heuristic) {
+    if (c < ncols && r < A->nrows && _mzd_density(A, 32, 0, 0) >= threshold) {
+      wi_t const tmp = c / m4ri_radix;
+      rci_t const tmp2 = tmp * m4ri_radix;
+      mzd_t *Abar = mzd_init_window(A, r, tmp2, A->nrows, ncols);
+      r += mzd_echelonize_pluq(Abar, full);
+      mzd_free(Abar);
+      c = ncols;
+    }
+  }
+
+  while(c < ncols) {
+    if (heuristic && c > (last_check + 256)) {
+      last_check = c;
+      if (c < ncols && r < A->nrows && _mzd_density(A, 32, r, c) >= threshold) {
+        mzd_t *Abar = mzd_init_window(A, r, (c / m4ri_radix) * m4ri_radix, A->nrows, ncols);
+        if (!full) {
+          r += mzd_echelonize_pluq(Abar, full);
+        } else {
+          rci_t r2 = mzd_echelonize_pluq(Abar, full);
+          if (r > 0)
+            _mzd_top_echelonize_m4ri(A, 0, r, c, r);
+          r += r2;
+        }
+        mzd_free(Abar);
+        break;
+      }
+    }
+
+    if(c + kk > ncols) {
+      kk = ncols - c;
+    }
+    int kbar;
+    if (full) {
+      kbar = _mzd_gauss_submatrix_full(A, r, c, A->nrows, kk);
+    } else {
+      kbar = _mzd_gauss_submatrix(A, r, c, A->nrows, kk);
+      /* this isn't necessary, adapt make_table */
+      U = mzd_submatrix(U, A, r, 0, r + kbar, ncols);
+      _mzd_gauss_submatrix_top(A, r, c, kbar);
+    }
+
+    if (kbar > 5 * k) {
+      int const rem = kbar % 6;
+      int const ka = kbar / 6 + ((rem >= 5) ? 1 : 0);
+      int const kb = kbar / 6 + ((rem >= 4) ? 1 : 0);
+      int const kc = kbar / 6 + ((rem >= 3) ? 1 : 0);
+      int const kd = kbar / 6 + ((rem >= 2) ? 1 : 0);
+      int const ke = kbar / 6 + ((rem >= 1) ? 1 : 0);;
+      int const kf = kbar / 6;
+
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, ka, T0, L0);
+        mzd_make_table(A, r+ka, c, kb, T1, L1);
+        mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+        mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+        mzd_make_table(A, r+ka+kb+kc+kd, c, ke, T4, L4);
+        mzd_make_table(A, r+ka+kb+kc+kd+ke, c, kf, T5, L5);
+      }
+      if(kbar == kk)
+        mzd_process_rows6(A, r+kbar, A->nrows, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4, T5, L5);
+      if(full)
+        mzd_process_rows6(A, 0, r, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4, T5, L5);
+
+    } else if (kbar > 4 * k) {
+      int const rem = kbar % 5;
+      int const ka = kbar / 5 + ((rem >= 4) ? 1 : 0);
+      int const kb = kbar / 5 + ((rem >= 3) ? 1 : 0);
+      int const kc = kbar / 5 + ((rem >= 2) ? 1 : 0);
+      int const kd = kbar / 5 + ((rem >= 1) ? 1 : 0);
+      int const ke = kbar / 5;
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, ka, T0, L0);
+        mzd_make_table(A, r+ka, c, kb, T1, L1);
+        mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+        mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+        mzd_make_table(A, r+ka+kb+kc+kd, c, ke, T4, L4);
+      }
+      if(kbar == kk)
+        mzd_process_rows5(A, r+kbar, A->nrows, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4);
+      if(full)
+        mzd_process_rows5(A, 0, r, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4);
+
+    } else if (kbar > 3 * k) {
+      int const rem = kbar % 4;
+      int const ka = kbar / 4 + ((rem >= 3) ? 1 : 0);
+      int const kb = kbar / 4 + ((rem >= 2) ? 1 : 0);
+      int const kc = kbar / 4 + ((rem >= 1) ? 1 : 0);
+      int const kd = kbar / 4;
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, ka, T0, L0);
+        mzd_make_table(A, r+ka, c, kb, T1, L1);
+        mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+        mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+      }
+      if(kbar == kk)
+        mzd_process_rows4(A, r+kbar, A->nrows, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3);
+      if(full)
+        mzd_process_rows4(A, 0, r, c, kbar, T0, L0, T1, L1, T2, L2, T3, L3);
+
+    } else if (kbar > 2 * k) {
+      int const rem = kbar % 3;
+      int const ka = kbar / 3 + ((rem >= 2) ? 1 : 0);
+      int const kb = kbar / 3 + ((rem >= 1) ? 1 : 0);
+      int const kc = kbar / 3;
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, ka, T0, L0);
+        mzd_make_table(A, r+ka, c, kb, T1, L1);
+        mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+      }
+      if(kbar == kk)
+        mzd_process_rows3(A, r+kbar, A->nrows, c, kbar, T0, L0, T1, L1, T2, L2);
+      if(full)
+        mzd_process_rows3(A, 0, r, c, kbar, T0, L0, T1, L1, T2, L2);
+
+    } else if (kbar > k) {
+      int const ka = kbar / 2;
+      int const kb = kbar - ka;
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, ka, T0, L0);
+        mzd_make_table(A, r+ka, c, kb, T1, L1);
+      }
+      if(kbar == kk)
+        mzd_process_rows2(A, r+kbar, A->nrows, c, kbar, T0, L0, T1, L1);
+      if(full)
+        mzd_process_rows2(A, 0, r, c, kbar, T0, L0, T1, L1);
+
+    } else if(kbar > 0) {
+      if(full || kbar == kk) {
+        mzd_make_table(A, r, c, kbar, T0, L0);
+      }
+      if(kbar == kk)
+        mzd_process_rows(A, r+kbar, A->nrows, c, kbar, T0, L0);
+      if(full)
+        mzd_process_rows(A, 0, r, c, kbar, T0, L0);
+    }
+
+    if (!full) {
+      _mzd_copy_back_rows(A, U, r, c, kbar);
+    }
+
+    r += kbar;
+    c += kbar;
+    if(kk != kbar) {
+      rci_t cbar;
+      rci_t rbar;
+      if (mzd_find_pivot(A, r, c, &rbar, &cbar)) {
+        c = cbar;
+        mzd_row_swap(A, r, rbar);
+      } else {
+        break;
+      }
+      //c++;
+    }
+  }
+
+  mzd_free(T0);
+  m4ri_mm_free(L0);
+  mzd_free(T1);
+  m4ri_mm_free(L1);
+  mzd_free(T2);
+  m4ri_mm_free(L2);
+  mzd_free(T3);
+  m4ri_mm_free(L3);
+  mzd_free(T4);
+  m4ri_mm_free(L4);
+  mzd_free(T5);
+  m4ri_mm_free(L5);
+  mzd_free(U);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_RCI(r);
+  return r;
+}
+
+rci_t _mzd_top_echelonize_m4ri(mzd_t *A, int k, rci_t r, rci_t c, rci_t max_r) {
+  rci_t const ncols = A->ncols;
+  int kbar = 0;
+
+  if (k == 0) {
+    k = m4ri_opt_k(max_r, A->ncols, 0);
+    if (k >= 7)
+      k = 7;
+    if (0.75 * __M4RI_TWOPOW(k) *A->ncols > __M4RI_CPU_L3_CACHE / 2.0)
+      k -= 1;
+  }
+  int kk = 6 * k;
+
+  mzd_t *U  = mzd_init(kk, A->ncols);
+  mzd_t *T0 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  mzd_t *T1 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  mzd_t *T2 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  mzd_t *T3 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  mzd_t *T4 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  mzd_t *T5 = mzd_init(__M4RI_TWOPOW(k), A->ncols);
+  rci_t *L0 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L1 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L2 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L3 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L4 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  rci_t *L5 = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+
+  while(c < ncols) {
+    if(c+kk > A->ncols) {
+      kk = ncols - c;
+    }
+    kbar = _mzd_gauss_submatrix_full(A, r, c, MIN(A->nrows,r+kk), kk);
+
+    if (kbar > 5 * k) {
+      int const rem = kbar % 6;
+      int const ka = kbar / 6 + ((rem >= 5) ? 1 : 0);
+      int const kb = kbar / 6 + ((rem >= 4) ? 1 : 0);
+      int const kc = kbar / 6 + ((rem >= 3) ? 1 : 0);
+      int const kd = kbar / 6 + ((rem >= 2) ? 1 : 0);
+      int const ke = kbar / 6 + ((rem >= 1) ? 1 : 0);;
+      int const kf = kbar / 6;
+
+      mzd_make_table(A, r, c, ka, T0, L0);
+      mzd_make_table(A, r+ka, c, kb, T1, L1);
+      mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+      mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+      mzd_make_table(A, r+ka+kb+kc+kd, c, ke, T4, L4);
+      mzd_make_table(A, r+ka+kb+kc+kd+ke, c, kf, T5, L5);
+      mzd_process_rows6(A, 0, MIN(r, max_r), c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4, T5, L5);
+
+  } else if (kbar > 4 * k) {
+      int const rem = kbar % 5;
+      int const ka = kbar / 5 + ((rem >= 4) ? 1 : 0);
+      int const kb = kbar / 5 + ((rem >= 3) ? 1 : 0);
+      int const kc = kbar / 5 + ((rem >= 2) ? 1 : 0);
+      int const kd = kbar / 5 + ((rem >= 1) ? 1 : 0);
+      int const ke = kbar / 5;
+
+      mzd_make_table(A, r, c, ka, T0, L0);
+      mzd_make_table(A, r+ka, c, kb, T1, L1);
+      mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+      mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+      mzd_make_table(A, r+ka+kb+kc+kd, c, ke, T4, L4);
+      mzd_process_rows5(A, 0, MIN(r, max_r), c, kbar, T0, L0, T1, L1, T2, L2, T3, L3, T4, L4);
+
+    } else if (kbar > 3 * k) {
+      const int rem = kbar%4;
+      const int ka = kbar/4 + ((rem >= 3) ? 1 : 0);
+      const int kb = kbar/4 + ((rem >= 2) ? 1 : 0);
+      const int kc = kbar/4 + ((rem >= 1) ? 1 : 0);
+      const int kd = kbar/4;
+
+      mzd_make_table(A, r, c, ka, T0, L0);
+      mzd_make_table(A, r+ka, c, kb, T1, L1);
+      mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+      mzd_make_table(A, r+ka+kb+kc, c, kd, T3, L3);
+      mzd_process_rows4(A, 0, MIN(r, max_r), c, kbar, T0, L0, T1, L1, T2, L2, T3, L3);
+
+    } else if (kbar > 2 * k) {
+      const int rem = kbar%3;
+      const int ka = kbar/3 + ((rem >= 2) ? 1 : 0);
+      const int kb = kbar/3 + ((rem >= 1) ? 1 : 0);
+      const int kc = kbar/3;
+
+      mzd_make_table(A, r, c, ka, T0, L0);
+      mzd_make_table(A, r+ka, c, kb, T1, L1);
+      mzd_make_table(A, r+ka+kb, c, kc, T2, L2);
+      mzd_process_rows3(A, 0, MIN(r, max_r), c, kbar, T0, L0, T1, L1, T2, L2);
+
+    } else if (kbar > k) {
+      const int ka = kbar/2;
+      const int kb = kbar - ka;
+      mzd_make_table(A, r, c, ka, T0, L0);
+      mzd_make_table(A, r+ka, c, kb, T1, L1);
+      mzd_process_rows2(A, 0, MIN(r, max_r), c, kbar, T0, L0, T1, L1);
+
+    } else if(kbar > 0) {
+      mzd_make_table(A, r, c, kbar, T0, L0);
+      mzd_process_rows(A, 0, MIN(r, max_r), c, kbar, T0, L0);
+    }
+
+    r += kbar;
+    c += kbar;
+    if(kk != kbar) {
+      c++;
+    }
+  }
+
+  mzd_free(T0);
+  m4ri_mm_free(L0);
+  mzd_free(T1);
+  m4ri_mm_free(L1);
+  mzd_free(T2);
+  m4ri_mm_free(L2);
+  mzd_free(T3);
+  m4ri_mm_free(L3);
+  mzd_free(T4);
+  m4ri_mm_free(L4);
+  mzd_free(T5);
+  m4ri_mm_free(L5);
+  mzd_free(U);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_RCI(r);
+  return r;
+}
+
+void mzd_top_echelonize_m4ri(mzd_t *M, int k) {
+  _mzd_top_echelonize_m4ri(M,k,0,0,M->nrows);
+}
+
+mzd_t *mzd_inv_m4ri(mzd_t *B, mzd_t const* A, int k) {
+  assert(A->nrows == A->ncols);
+  if(B == NULL) {
+    B = mzd_init(A->nrows, A->ncols);
+  } else {
+    assert(B->ncols == A->ncols && B->nrows && A->ncols);
+  }
+
+  const rci_t n  = A->nrows;
+  const rci_t nr = m4ri_radix * A->width;
+  mzd_t *C = mzd_init(n, 2*nr);
+
+  mzd_t *AW = mzd_init_window(C, 0, 0,  n, n);
+  mzd_t *BW = mzd_init_window(C, 0, nr, n, nr+n);
+
+  mzd_copy(AW, A);
+  mzd_set_ui(BW, 1);
+
+  mzd_echelonize_m4ri(C, TRUE, 0);
+
+  mzd_copy(B, BW);
+  mzd_free_window(AW);
+  mzd_free_window(BW);
+  mzd_free(C);
+  __M4RI_DD_MZD(B);
+  return B;
+}
+
+
+mzd_t *mzd_mul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k) {
+  rci_t a = A->nrows;
+  rci_t c = B->ncols;
+
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_mul_m4rm: A ncols (%d) need to match B nrows (%d).\n", A->ncols, B->nrows);
+  if (C == NULL) {
+    C = mzd_init(a, c);
+  } else {
+    if (C->nrows != a || C->ncols != c)
+      m4ri_die("mzd_mul_m4rm: C (%d x %d) has wrong dimensions.\n", C->nrows, C->ncols);
+  }
+  return _mzd_mul_m4rm(C, A, B, k, TRUE);
+}
+
+mzd_t *mzd_addmul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k) {
+  rci_t a = A->nrows;
+  rci_t c = B->ncols;
+
+  if(C->ncols == 0 || C->nrows == 0)
+    return C;
+
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_mul_m4rm A ncols (%d) need to match B nrows (%d) .\n", A->ncols, B->nrows);
+  if (C == NULL) {
+    C = mzd_init(a, c);
+  } else {
+    if (C->nrows != a || C->ncols != c)
+      m4ri_die("mzd_mul_m4rm: C has wrong dimensions.\n");
+  }
+  return _mzd_mul_m4rm(C, A, B, k, FALSE);
+}
+
+#define __M4RI_M4RM_NTABLES 8
+
+mzd_t *_mzd_mul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k, int clear) {
+  /**
+   * The algorithm proceeds as follows:
+   *
+   * Step 1. Make a Gray code table of all the \f$2^k\f$ linear combinations
+   * of the \f$k\f$ rows of \f$B_i\f$.  Call the \f$x\f$-th row
+   * \f$T_x\f$.
+   *
+   * Step 2. Read the entries
+   *    \f$a_{j,(i-1)k+1}, a_{j,(i-1)k+2} , ... , a_{j,(i-1)k+k}.\f$
+   *
+   * Let \f$x\f$ be the \f$k\f$ bit binary number formed by the
+   * concatenation of \f$a_{j,(i-1)k+1}, ... , a_{j,ik}\f$.
+   *
+   * Step 3. for \f$h = 1,2, ... , c\f$ do
+   *   calculate \f$C_{jh} = C_{jh} + T_{xh}\f$.
+   */
+
+  rci_t        x[__M4RI_M4RM_NTABLES];
+  rci_t       *L[__M4RI_M4RM_NTABLES];
+  word  const *t[__M4RI_M4RM_NTABLES];
+  mzd_t       *T[__M4RI_M4RM_NTABLES];
+#ifdef __M4RI_HAVE_SSE2
+  mzd_t  *Talign[__M4RI_M4RM_NTABLES];
+  int c_align = (__M4RI_ALIGNMENT(C->rows[0], 16) == 8);
+#endif
+
+  word *c;
+
+  rci_t const a_nr = A->nrows;
+  rci_t const a_nc = A->ncols;
+  rci_t const b_nc = B->ncols;
+
+  if (b_nc < m4ri_radix-10 || a_nr < 16) {
+    if(clear)
+      return mzd_mul_naive(C, A, B);
+    else
+      return mzd_addmul_naive(C, A, B);
+  }
+
+  /* clear first */
+  if (clear) {
+    mzd_set_ui(C, 0);
+  }
+
+  const int blocksize = __M4RI_MUL_BLOCKSIZE;
+
+  if(k==0) {
+    /* __M4RI_CPU_L2_CACHE == 2^k * B->width * 8 * 8 */
+    k = (int)log2((__M4RI_CPU_L2_CACHE/64)/(double)B->width);
+    if ((__M4RI_CPU_L2_CACHE - 64*__M4RI_TWOPOW(k)*B->width) > (64*__M4RI_TWOPOW(k+1)*B->width - __M4RI_CPU_L2_CACHE))
+      k++;
+
+    rci_t const klog = round(0.75 * log2_floor(MIN(MIN(a_nr,a_nc),b_nc)));
+
+    if(klog < k)
+      k = klog;
+
+    if (k<2)
+      k=2;
+    else if(k>6)
+      k=6;
+  }
+
+  const wi_t wide = C->width;
+  const word bm = __M4RI_TWOPOW(k)-1;
+
+  rci_t *buffer = (rci_t*)m4ri_mm_malloc(__M4RI_M4RM_NTABLES * __M4RI_TWOPOW(k) * sizeof(rci_t));
+  for(int z=0; z<__M4RI_M4RM_NTABLES; z++) {
+    L[z] = buffer + z*__M4RI_TWOPOW(k);
+#ifdef __M4RI_HAVE_SSE2
+    /* we make sure that T are aligned as C */
+    Talign[z] = mzd_init(__M4RI_TWOPOW(k), b_nc+m4ri_radix);
+    T[z] = mzd_init_window(Talign[z], 0, c_align*m4ri_radix, Talign[z]->nrows, b_nc + c_align*m4ri_radix);
+#else
+    T[z] = mzd_init(__M4RI_TWOPOW(k), b_nc);
+#endif
+  }
+
+  /* process stuff that fits into multiple of k first, but blockwise (babystep-giantstep)*/
+  int const kk = __M4RI_M4RM_NTABLES * k;
+  assert(kk <= m4ri_radix);
+  rci_t const end = a_nc / kk;
+
+  for (rci_t giantstep = 0; giantstep < a_nr; giantstep += blocksize) {
+    for(rci_t i = 0; i < end; ++i) {
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for schedule(static,1)
+#endif
+      for(int z=0; z<__M4RI_M4RM_NTABLES; z++) {
+        mzd_make_table( B, kk*i + k*z, 0, k, T[z], L[z]);
+      }
+
+      const rci_t blockend = MIN(giantstep+blocksize, a_nr);
+#if __M4RI_HAVE_OPENMP
+#pragma omp parallel for schedule(static,512) private(x,t)
+#endif
+      for(rci_t j = giantstep; j < blockend; j++) {
+        const word a = mzd_read_bits(A, j, kk*i, kk);
+
+        switch(__M4RI_M4RM_NTABLES) {
+        case 8: t[7] = T[ 7]->rows[ L[7][ (a >> 7*k) & bm ] ];
+        case 7: t[6] = T[ 6]->rows[ L[6][ (a >> 6*k) & bm ] ];
+        case 6: t[5] = T[ 5]->rows[ L[5][ (a >> 5*k) & bm ] ];
+        case 5: t[4] = T[ 4]->rows[ L[4][ (a >> 4*k) & bm ] ];
+        case 4: t[3] = T[ 3]->rows[ L[3][ (a >> 3*k) & bm ] ];
+        case 3: t[2] = T[ 2]->rows[ L[2][ (a >> 2*k) & bm ] ];
+        case 2: t[1] = T[ 1]->rows[ L[1][ (a >> 1*k) & bm ] ];
+        case 1: t[0] = T[ 0]->rows[ L[0][ (a >> 0*k) & bm ] ];
+          break;
+        default:
+          m4ri_die("__M4RI_M4RM_NTABLES must be <= 8 but got %d", __M4RI_M4RM_NTABLES);
+        }
+
+        c = C->rows[j];
+
+        switch(__M4RI_M4RM_NTABLES) {
+        case 8: _mzd_combine_8(c, t, wide); break;
+        case 7: _mzd_combine_7(c, t, wide); break;
+        case 6: _mzd_combine_6(c, t, wide); break;
+        case 5: _mzd_combine_5(c, t, wide); break;
+        case 4: _mzd_combine_4(c, t, wide); break;
+        case 3: _mzd_combine_3(c, t, wide); break;
+        case 2: _mzd_combine_2(c, t, wide); break;
+        case 1: _mzd_combine(c, t[0], wide);
+          break;
+        default:
+          m4ri_die("__M4RI_M4RM_NTABLES must be <= 8 but got %d", __M4RI_M4RM_NTABLES);
+        }
+      }
+    }
+  }
+
+  /* handle stuff that doesn't fit into multiple of kk */
+  if (a_nc%kk) {
+    rci_t i;
+    for (i = kk / k * end; i < a_nc / k; ++i) {
+      mzd_make_table( B, k*i, 0, k, T[0], L[0]);
+      for(rci_t j = 0; j < a_nr; ++j) {
+        x[0] = L[0][ mzd_read_bits_int(A, j, k*i, k) ];
+        c = C->rows[j];
+        t[0] = T[0]->rows[x[0]];
+        for(wi_t ii = 0; ii < wide; ++ii) {
+          c[ii] ^= t[0][ii];
+        }
+      }
+    }
+    /* handle stuff that doesn't fit into multiple of k */
+    if (a_nc%k) {
+      mzd_make_table( B, k*(a_nc/k), 0, a_nc%k, T[0], L[0]);
+      for(rci_t j = 0; j < a_nr; ++j) {
+        x[0] = L[0][ mzd_read_bits_int(A, j, k*i, a_nc%k) ];
+        c = C->rows[j];
+        t[0] = T[0]->rows[x[0]];
+        for(wi_t ii = 0; ii < wide; ++ii) {
+          c[ii] ^= t[0][ii];
+        }
+      }
+    }
+  }
+
+  for(int j=0; j<__M4RI_M4RM_NTABLES; j++) {
+    mzd_free(T[j]);
+#ifdef __M4RI_HAVE_SSE2
+    mzd_free(Talign[j]);
+#endif
+  }
+  m4ri_mm_free(buffer);
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.h
new file mode 100644
index 0000000..80b474e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.h
@@ -0,0 +1,319 @@
+/**
+ * \file brilliantrussian.h
+ * \brief M4RI and M4RM.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ * \note For reference see Gregory Bard; Accelerating Cryptanalysis with
+ * the Method of Four Russians; 2006;
+ * http://eprint.iacr.org/2006/251.pdf
+ */
+
+#ifndef M4RI_BRILLIANTRUSSIAN_H
+#define M4RI_BRILLIANTRUSSIAN_H
+
+ /*******************************************************************
+ *
+ *                 M4RI:  Linear Algebra over GF(2)
+ *
+ *    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+ *    Copyright (C) 2008-2010 Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *  version 2 or higher.
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <m4ri/mzd.h>
+#include <m4ri/mzp.h>
+
+/**
+ * \brief Constructs all possible \f$2^k\f$ row combinations using the gray
+ * code table.
+ * 
+ * \param M matrix to generate the tables from
+ * \param r the starting row
+ * \param c the starting column (only exact up to block)
+ * \param k
+ * \param T prealloced matrix of dimension \f$2^k\f$ x m->ncols
+ * \param L prealloced table of length \f$2^k\f$
+ */
+
+void mzd_make_table(mzd_t const *M, rci_t r, rci_t c, int k, mzd_t *T, rci_t *L);
+
+/**
+ * \brief The function looks up k bits from position i,startcol in
+ * each row and adds the appropriate row from T to the row i.
+ *
+ * This process is iterated for i from startrow to stoprow
+ * (exclusive).
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T contains the correct row to be added
+ * \param L Contains row number to be added
+ */
+
+void mzd_process_rows(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k, mzd_t const *T, rci_t const *L);
+
+/**
+ * \brief Same as mzd_process_rows but works with two Gray code tables
+ * in parallel.
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T0 contains the correct row to be added
+ * \param L0 Contains row number to be added
+ * \param T1 contains the correct row to be added
+ * \param L1 Contains row number to be added
+ */
+
+void mzd_process_rows2(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k, mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1);
+
+/**
+ * \brief Same as mzd_process_rows but works with three Gray code tables
+ * in parallel.
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T0 contains the correct row to be added
+ * \param L0 Contains row number to be added
+ * \param T1 contains the correct row to be added
+ * \param L1 Contains row number to be added
+ * \param T2 contains the correct row to be added
+ * \param L2 Contains row number to be added
+ */
+
+void mzd_process_rows3(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k, 
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1,
+                       mzd_t const *T2, rci_t const *L2);
+
+/**
+ * \brief Same as mzd_process_rows but works with four Gray code tables
+ * in parallel.
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T0 contains the correct row to be added
+ * \param L0 Contains row number to be added
+ * \param T1 contains the correct row to be added
+ * \param L1 Contains row number to be added
+ * \param T2 contains the correct row to be added
+ * \param L2 Contains row number to be added
+ * \param T3 contains the correct row to be added
+ * \param L3 Contains row number to be added
+ */
+
+void mzd_process_rows4(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1,
+                       mzd_t const *T2, rci_t const *L2, mzd_t const *T3, rci_t const *L3);
+
+/**
+ * \brief Same as mzd_process_rows but works with five Gray code tables
+ * in parallel.
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T0 contains the correct row to be added
+ * \param L0 Contains row number to be added
+ * \param T1 contains the correct row to be added
+ * \param L1 Contains row number to be added
+ * \param T2 contains the correct row to be added
+ * \param L2 Contains row number to be added
+ * \param T3 contains the correct row to be added
+ * \param L3 Contains row number to be added
+ * \param T4 contains the correct row to be added
+ * \param L4 Contains row number to be added
+ */
+
+void mzd_process_rows5(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1,
+                       mzd_t const *T2, rci_t const *L2, mzd_t const *T3, rci_t const *L3,
+                       mzd_t const *T4, rci_t const *L4);
+
+/**
+ * \brief Same as mzd_process_rows but works with six Gray code tables
+ * in parallel.
+ *
+ * \param M Matrix to operate on
+ * \param startrow top row which is operated on
+ * \param endrow bottom row which is operated on
+ * \param startcol Starting column for addition
+ * \param k M4RI parameter
+ * \param T0 contains the correct row to be added
+ * \param L0 Contains row number to be added
+ * \param T1 contains the correct row to be added
+ * \param L1 Contains row number to be added
+ * \param T2 contains the correct row to be added
+ * \param L2 Contains row number to be added
+ * \param T3 contains the correct row to be added
+ * \param L3 Contains row number to be added
+ * \param T4 contains the correct row to be added
+ * \param L4 Contains row number to be added
+ * \param T5 contains the correct row to be added
+ * \param L5 Contains row number to be added
+ */
+
+void mzd_process_rows6(mzd_t *M, rci_t startrow, rci_t endrow, rci_t startcol, int k,
+                       mzd_t const *T0, rci_t const *L0, mzd_t const *T1, rci_t const *L1,
+                       mzd_t const *T2, rci_t const *L2, mzd_t const *T3, rci_t const *L3,
+                       mzd_t const *T4, rci_t const *L4, mzd_t const *T5, rci_t const *L5);
+
+/**
+ * \brief Matrix elimination using the 'Method of the Four Russians'
+ * (M4RI).
+ *
+ * The M4RI algorithm was proposed in Gregory Bard; Accelerating
+ * Cryptanalysis with the Method of Four Russians; 2006;
+ * http://eprint.iacr.org/2006/251
+ *
+ * Our implementatation is discussed in in Martin Albrecht and Clément
+ * Pernet; Efficient Decomposition of Dense Matrices over GF(2);
+ * http://arxiv.org/abs/1006.1744
+ * 
+ * \param M Matrix to be reduced.
+ * \param full Return the reduced row echelon form, not only upper triangular form.
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ *
+ * \example testsuite/test_elimination.c
+ * \example testsuite/bench_elimination.c
+ * 
+ * \return Rank of A.
+ */
+
+rci_t _mzd_echelonize_m4ri(mzd_t *A, const int full, int k, int heuristic, const double threshold);
+
+/**
+ * \brief Given a matrix in upper triangular form compute the reduced row
+ * echelon form of that matrix.
+ * 
+ * \param M Matrix to be reduced.
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ *
+ *
+ */
+
+void mzd_top_echelonize_m4ri(mzd_t *M, int k);
+
+/**
+ * \brief Given a matrix in upper triangular form compute the reduced
+ * row echelon form of that matrix but only start to do anything for
+ * the pivot at (r,c).
+ * 
+ * \param A Matrix to be reduced.
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ * \param r Row index.
+ * \param c Column index.
+ * \param max_r Only clear top max_r rows.
+ *
+ *
+ */
+
+rci_t _mzd_top_echelonize_m4ri(mzd_t *A, int k, rci_t r, rci_t c, rci_t max_r);
+
+/**
+ * \brief Invert the matrix src using Konrod's method.
+ *
+ * \param dst Matrix to hold the inverse (may be NULL)
+ * \param src Matrix to be inverted.
+ * \param k Table size parameter, may be 0 for automatic choice.
+ *
+ *
+ * \return Inverse of src if src has full rank
+ */
+
+mzd_t *mzd_inv_m4ri(mzd_t *dst, const mzd_t* src, int k);
+
+/**
+ * \brief Matrix multiplication using Konrod's method, i.e. compute C
+ * such that C == AB. 
+ * 
+ * This is the convenient wrapper function, please see _mzd_mul_m4rm
+ * for authors and implementation details.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ *
+ *
+ * \return Pointer to C.
+ */
+
+mzd_t *mzd_mul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k);
+
+
+/**
+ * Set C to C + AB using Konrod's method.
+ *
+ * This is the convenient wrapper function, please see _mzd_mul_m4rm
+ * for authors and implementation details.
+ *
+ * \param C Preallocated product matrix, may be NULL for zero matrix.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ *
+ *
+ * \return Pointer to C.
+ */
+
+mzd_t *mzd_addmul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k);
+
+/**
+ * \brief Matrix multiplication using Konrod's method, i.e. compute C such
+ * that C == AB.
+ * 
+ * This is the actual implementation.
+ * 
+ * This function is described in Martin Albrecht, Gregory Bard and
+ * William Hart; Efficient Multiplication of Dense Matrices over
+ * GF(2); pre-print available at http://arxiv.org/abs/0811.1714
+ *
+ * \param C Preallocated product matrix.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ * \param clear clear the matrix C first
+ *
+ * \author Martin Albrecht -- initial implementation
+ * \author William Hart -- block matrix implementation, use of several
+ * Gray code tables, general speed-ups
+ *
+ *
+ * \return Pointer to C.
+ */
+
+mzd_t *_mzd_mul_m4rm(mzd_t *C, mzd_t const *A, mzd_t const *B, int k, int clear);
+
+
+#endif // M4RI_BRILLIANTRUSSIAN_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.lo
new file mode 100644
index 0000000..a353860
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.lo
@@ -0,0 +1,12 @@
+# m4ri/brilliantrussian.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/brilliantrussian.o'
+
+# Name of the non-PIC object
+non_pic_object='brilliantrussian.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.o
new file mode 100644
index 0000000..afcb646
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/brilliantrussian.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h
new file mode 100644
index 0000000..edbab65
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h
@@ -0,0 +1,93 @@
+/* m4ri/config.h.  Generated from config.h.in by configure.  */
+/* m4ri/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define when libpapi is available. */
+/* #undef HAVE_LIBPAPI */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Support mmx instructions */
+#define HAVE_MMX /**/
+
+/* Support aligned allocations */
+#define HAVE_MM_MALLOC /**/
+
+/* Define if OpenMP is enabled */
+/* #undef HAVE_OPENMP */
+
+/* Define to 1 if `posix_memalign' works. */
+#define HAVE_POSIX_MEMALIGN 1
+
+/* Support SSE (Streaming SIMD Extensions) instructions */
+#define HAVE_SSE /**/
+
+/* Support SSE2 (Streaming SIMD Extensions 2) instructions */
+#define HAVE_SSE2 /**/
+
+/* Support SSE3 (Streaming SIMD Extensions 3) instructions */
+#define HAVE_SSE3 /**/
+
+/* Support SSSE3 (Supplemental Streaming SIMD Extensions 3) instructions */
+#define HAVE_SSSE3 /**/
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define whether debugging is enabled */
+#define NDEBUG 1
+
+/* Name of package */
+#define PACKAGE "m4ri"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "m4ri"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "m4ri 20140914"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "m4ri"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "20140914"
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Version number of package */
+#define VERSION "20140914"
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h.in b/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h.in
new file mode 100644
index 0000000..2b36961
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/config.h.in
@@ -0,0 +1,92 @@
+/* m4ri/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define when libpapi is available. */
+#undef HAVE_LIBPAPI
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Support mmx instructions */
+#undef HAVE_MMX
+
+/* Support aligned allocations */
+#undef HAVE_MM_MALLOC
+
+/* Define if OpenMP is enabled */
+#undef HAVE_OPENMP
+
+/* Define to 1 if `posix_memalign' works. */
+#undef HAVE_POSIX_MEMALIGN
+
+/* Support SSE (Streaming SIMD Extensions) instructions */
+#undef HAVE_SSE
+
+/* Support SSE2 (Streaming SIMD Extensions 2) instructions */
+#undef HAVE_SSE2
+
+/* Support SSE3 (Streaming SIMD Extensions 3) instructions */
+#undef HAVE_SSE3
+
+/* Support SSSE3 (Supplemental Streaming SIMD Extensions 3) instructions */
+#undef HAVE_SSSE3
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
+/* Define whether debugging is enabled */
+#undef NDEBUG
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Version number of package */
+#undef VERSION
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.c
new file mode 100644
index 0000000..5123f96
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.c
@@ -0,0 +1,158 @@
+/******************************************************************************
+*
+*            M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "mzd.h"
+#include "mzp.h"
+
+#if __M4RI_DEBUG_DUMP
+
+static unsigned long dd_sequence_number = 0;
+
+static void entry(char const* function, char const* file, int line)
+{
+#if !__M4RI_DD_QUIET
+  printf("Sequence#: %ld; %s @ %s:%d; ", dd_sequence_number, function, file, line);
+#endif
+  ++dd_sequence_number;
+}
+
+static inline void consistency_check_row(mzd_t const *M, rci_t row)
+{
+  assert(row >= 0 && row < M->nrows);
+  assert(M->rows[row] == mzd_row(M, row));
+  if (mzd_is_windowed(M))
+    return;
+  // Check that the excess bits are zero.
+  assert((M->rows[row][M->width - 1] & ~M->high_bitmask) == 0);
+  // Check that the padding bits are zero, if any.
+  assert(M->width == M->rowstride || M->rows[row][M->width] == 0);
+}
+
+static void consistency_check(mzd_t const *M)
+{
+  assert(M->nrows >= 0 && M->ncols >= 0);
+  assert(M->width * m4ri_radix >= M->ncols);
+  assert((M->width - 1) * m4ri_radix < M->ncols);
+  assert(M->width < mzd_paddingwidth || (M->rowstride & 1) == 0);
+  //assert((M->blockrows_mask + 1) == (1 << M->blockrows_log));
+  assert((1 << M->blockrows_log) * M->rowstride <= __M4RI_MAX_MZD_BLOCKSIZE);
+  assert((1 << M->blockrows_log) * M->rowstride > __M4RI_MAX_MZD_BLOCKSIZE / 2);
+  assert((M->width > 1 && M->high_bitmask == __M4RI_LEFT_BITMASK((M->ncols) % m4ri_radix)) ||
+         (M->width < 2 && M->high_bitmask == __M4RI_MIDDLE_BITMASK(M->ncols, 0)));
+  assert(((M->flags & mzd_flag_nonzero_excess) == 0) == ((M->ncols % m4ri_radix == 0)));
+  assert((M->flags & mzd_flag_windowed_zeroexcess) == 0 || ((M->ncols) % m4ri_radix == 0));
+  assert((((M->flags & mzd_flag_multiple_blocks) == 0) == (mzd_row_to_block(M, M->nrows - 1) == 0)));
+  int n = 0;
+  rci_t counted = 0;
+  word* ptr = mzd_first_row(M);
+  int row_count = mzd_rows_in_block(M, 0);
+  while(1) {
+    while (row_count--) {
+      assert(ptr == M->rows[counted++]);
+      ptr += M->rowstride;
+    }
+    ++n;
+    row_count = mzd_rows_in_block(M, n);
+    if (row_count <= 0)
+      break;
+    ptr = mzd_first_row_next_block(M, n);
+  }
+  assert(M->ncols == 0 || counted == M->nrows);
+  if (mzd_is_windowed(M))
+    return;
+  assert(M->rowstride == M->width || (M->rowstride == M->width + 1 && M->width >= mzd_paddingwidth));
+  for (rci_t r = 0; r < M->nrows; ++r) {
+    consistency_check_row(M, r);
+  }
+}
+
+void m4ri_dd_int(char const* function, char const* file, int line, int i)
+{
+  entry(function, file, line);
+#if !__M4RI_DD_QUIET
+  printf("int: %d\n", i);
+#endif
+}
+
+void m4ri_dd_rci(char const* function, char const* file, int line, rci_t rci)
+{
+  entry(function, file, line);
+#if !__M4RI_DD_QUIET
+  printf("rci: %d\n", rci);
+#endif
+}
+
+void m4ri_dd_rci_array(char const* function, char const* file, int line, rci_t *rciptr, int len)
+{
+  entry(function, file, line);
+#if !__M4RI_DD_QUIET
+  word hash = 0;
+  for (int i = 0; i < len; ++i)
+    hash ^= rotate_word(rciptr[i], i % m4ri_radix);
+  printf("rci array (size %d) hash: %llx\n", len, hash);
+#endif
+}
+
+void m4ri_dd_rawrow(char const* function, char const* file, int line, word const* rowptr, wi_t wide)
+{
+  entry(function, file, line);
+#if !__M4RI_DD_QUIET
+  word hash = calculate_hash(rowptr, wide);
+  printf("raw row (%d words) hash: %llx\n", wide, hash);
+#endif
+}
+
+void m4ri_dd_row(char const* function, char const* file, int line, mzd_t const* M, rci_t row)
+{
+  entry(function, file, line);
+  consistency_check_row(M, row);
+#if !__M4RI_DD_QUIET
+  word hash = calculate_hash(M->rows[row], M->width);
+  printf("row %d hash: %llx\n", row, hash);
+#endif
+}
+
+void m4ri_dd_mzd(char const* function, char const* file, int line, mzd_t const* M)
+{
+  entry(function, file, line);
+  consistency_check(M);
+#if !__M4RI_DD_QUIET
+  word hash = 0;
+  for (rci_t r = 0; r < M->nrows; ++r)
+    hash ^= rotate_word(calculate_hash(M->rows[r], M->width), r % m4ri_radix);
+  printf("mzd hash: %llx\n", hash);
+#endif
+}
+
+void m4ri_dd_mzp(char const* function, char const* file, int line, mzp_t const* P)
+{
+  entry(function, file, line);
+#if !__M4RI_DD_QUIET
+  word hash = 0;
+  for (rci_t i = 0; i < P->length; ++i)
+    hash ^= rotate_word(P->values[i], i % m4ri_radix);
+  printf("mzp hash: %llx\n", hash);
+#endif
+}
+
+#endif
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.h
new file mode 100644
index 0000000..16591e1
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.h
@@ -0,0 +1,71 @@
+/*
+ * To enable dumping of output per function, configure the library with --enable-debug-dump.
+ */
+
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifndef M4RI_DEBUG_DUMP
+#define M4RI_DEBUG_DUMP
+
+static inline word calculate_hash(word const* rowptr, wi_t wide) {
+  word hash = 0;
+  for (word const* ptr = rowptr; ptr < rowptr + wide; ++ptr)
+    hash ^= *ptr;
+  return hash;
+}
+
+static inline word rotate_word(word w, int shift) {
+  return (w << shift) | (w >> (m4ri_radix - w));
+}
+
+#if __M4RI_DEBUG_DUMP
+
+struct mzd_t;
+struct mzp_t;
+
+extern void m4ri_dd_int(char const* function, char const* file, int line, int i);
+extern void m4ri_dd_rci(char const* function, char const* file, int line, rci_t rci);
+extern void m4ri_dd_rci_array(char const* function, char const* file, int line, rci_t *rciptr, int len);
+extern void m4ri_dd_rawrow(char const* function, char const* file, int line, word const* rowptr, wi_t wide);
+extern void m4ri_dd_row(char const* function, char const* file, int line, struct mzd_t const* M, rci_t row);
+extern void m4ri_dd_mzd(char const* function, char const* file, int line, struct mzd_t const* M);
+extern void m4ri_dd_mzp(char const* function, char const* file, int line, struct mzp_t const* P);
+
+#define __M4RI_DD_INT(i) m4ri_dd_int(__FUNCTION__, __FILE__, __LINE__, i)
+#define __M4RI_DD_RCI(rci) m4ri_dd_rci(__FUNCTION__, __FILE__, __LINE__, rci)
+#define __M4RI_DD_RCI_ARRAY(rciptr, len) m4ri_dd_rci_array(__FUNCTION__, __FILE__, __LINE__, rciptr, len)
+#define __M4RI_DD_RAWROW(rowptr, wide) m4ri_dd_rawrow(__FUNCTION__, __FILE__, __LINE__, rowptr, wide)
+#define __M4RI_DD_ROW(M, row) m4ri_dd_row(__FUNCTION__, __FILE__, __LINE__, M, row)
+#define __M4RI_DD_MZD(M) m4ri_dd_mzd(__FUNCTION__, __FILE__, __LINE__, M)
+#define __M4RI_DD_MZP(P) m4ri_dd_mzp(__FUNCTION__, __FILE__, __LINE__, P)
+
+#else // __M4RI_DEBUG_DUMP
+
+#define __M4RI_DD_INT(i)
+#define __M4RI_DD_RCI(rci)
+#define __M4RI_DD_RCI_ARRAY(rciptr, len)
+#define __M4RI_DD_RAWROW(rowptr, wide)
+#define __M4RI_DD_ROW(M, row)
+#define __M4RI_DD_MZD(M)
+#define __M4RI_DD_MZP(P)
+
+#endif // __M4RI_DEBUG_DUMP
+
+#endif // M4RI_DEBUG_DUMP
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.lo
new file mode 100644
index 0000000..d12abaa
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.lo
@@ -0,0 +1,12 @@
+# m4ri/debug_dump.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/debug_dump.o'
+
+# Name of the non-PIC object
+non_pic_object='debug_dump.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.o
new file mode 100644
index 0000000..cab6ef3
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/debug_dump.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.c
new file mode 100644
index 0000000..b111bc2
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.c
@@ -0,0 +1,182 @@
+/*
+ * \author Martin Kunev <martinkunev@gmail.com> original implementation of C99 heap
+ * \author Martin Albrecht <martinralbrecht@googlemail.com> adapted to M4RI + DJB map
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <m4ri/mzd.h>
+#include <m4ri/io.h>
+#include <m4ri/misc.h>
+#include <m4ri/djb.h>
+#include <m4ri/xor.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+
+static inline int mzd_compare_rows_revlex(const mzd_t *A, rci_t a, rci_t b) {
+  for(wi_t j=A->width-1; j>=0; j--)  {
+    if (A->rows[a][j] < A->rows[b][j])
+      return 0;
+    if (A->rows[a][j] > A->rows[b][j])
+      return 1;
+  }
+  return 1;
+}
+
+/**
+ * \brief A Heap
+ */
+
+typedef struct heap {
+  unsigned int size; /*!< Size of the allocated memory (in number of items) */
+  unsigned int count; /*!<  Count of the elements in the heap */
+  rci_t *data; /*!< Array with the elements */
+} heap_t;
+  
+// Returns the biggest element in the heap
+#define heap_front(h) (*(h)->data)
+ 
+void heap_free(heap_t *h) { 
+  free(h->data);
+  free(h);
+}
+ 
+static const unsigned int heap_base_size = 4;
+
+// Prepares the heap for use
+heap_t *heap_init() {
+  heap_t * h = (heap_t*)malloc(sizeof(heap_t));
+  if (h == NULL) m4ri_die("malloc failed.\n");
+  *h = (heap_t){
+    .size = heap_base_size,
+    .count = 0,
+    .data = malloc(sizeof(rci_t) * heap_base_size)
+  };
+  if (h->data == NULL) m4ri_die("malloc failed.\n");
+  return h;
+}
+
+// Inserts element to the heap
+void heap_push(struct heap *restrict h, rci_t value, const mzd_t *A) {
+  unsigned int index, parent;
+
+  // Resize the heap if it is too small to hold all the data
+  if (h->count == h->size) {
+    h->size <<= 1;
+    h->data = realloc(h->data, sizeof(rci_t) * h->size);
+    if (h->data == NULL) m4ri_die("realloc failed.\n");
+  }
+
+  // Find out where to put the element and put it
+  for(index = h->count++; index; index = parent) {
+    parent = (index - 1) >> 1;
+    if (mzd_compare_rows_revlex(A, h->data[parent], value)) 
+      break;
+    h->data[index] = h->data[parent];
+  }
+  h->data[index] = value;
+}
+
+// Removes the biggest element from the heap
+void heap_pop(struct heap *restrict h, const mzd_t *A) {
+  unsigned int index, swap, other;
+
+  // Remove the biggest element
+  rci_t temp = h->data[--h->count];
+
+  // Resize the heap if it's consuming too much memory
+  if ((h->count <= (h->size >> 2)) && (h->size > heap_base_size)) {
+    h->size >>= 1;
+    h->data = realloc(h->data, sizeof(rci_t) * h->size);
+    if (h->data == NULL) m4ri_die("realloc failed.\n");
+  }
+
+  // Reorder the elements
+  for(index = 0; 1; index = swap) {
+    // Find the child to swap with
+    swap = (index << 1) + 1;
+    if (swap >= h->count) break; // If there are no children, the heap is reordered
+    other = swap + 1;
+    if ((other < h->count) && mzd_compare_rows_revlex(A, h->data[other], h->data[swap])) swap = other;
+    if (mzd_compare_rows_revlex(A, temp, h->data[swap]))
+      break; // If the bigger child is less than or equal to its parent, the heap is reordered
+    
+    h->data[index] = h->data[swap];
+  }
+  h->data[index] = temp;
+}
+
+djb_t *djb_compile(mzd_t *A) {
+  heap_t *h = heap_init();
+  rci_t m = A->nrows;
+  rci_t n = A->ncols;
+
+  djb_t *z = djb_init(m, n);
+
+  for (rci_t i=0; i < m; i++)
+    heap_push(h, i, A); // sort by mzd_compare_rows_revlex
+
+  while (n > 0) {
+    if (mzd_read_bit(A, heap_front(h), n - 1) == 0) {
+      --n;
+      continue;
+    }
+
+    rci_t temp = heap_front(h);
+    heap_pop(h, A);
+
+    if (m >= 2 && mzd_read_bit(A, heap_front(h), n - 1)) {
+      mzd_row_add(A, heap_front(h), temp);
+      djb_push_back(z, temp, heap_front(h), source_target);
+    } else {
+      mzd_write_bit(A, temp, n-1, 0);
+      djb_push_back(z, temp, n-1, source_source);
+    }
+    heap_push(h, temp, A);
+  }
+  heap_free(h);
+ 
+  return z;
+}
+
+void djb_apply_mzd(djb_t *m, mzd_t *W, const mzd_t *V) {
+  assert(W->width == V->width);
+  rci_t i = m->length;
+  while (i > 0) {
+    --i;
+    if (m->srctyp[i] == source_source) {
+      _mzd_combine(mzd_row(W, m->target[i]), mzd_row(V, m->source[i]), W->width);
+      } else {
+      _mzd_combine(mzd_row(W, m->target[i]), mzd_row(W, m->source[i]), W->width);
+    }
+  }
+}
+ 
+void djb_print(djb_t *m) {
+  int *iszero = m4ri_mm_malloc(sizeof(int)*m->nrows);
+  for(int i = 0; i < m->nrows; ++i) 
+    iszero[i] = 1;
+
+  rci_t i = m->length;
+  while (i > 0) {
+    --i;
+    if (iszero[m->target[i]]) {
+      if (m->srctyp[i] == source_source) {
+        printf("cpy src[%d] to dst[%d]\n", m->source[i], m->target[i]);
+      } else {
+        printf("cpy dst[%d] to dst[%d]\n", m->source[i], m->target[i]);
+      }
+      iszero[m->target[i]] = 0;
+    } else {
+      if (m->srctyp[i] == source_source) {
+        printf("add src[%d] to dst[%d]\n", m->source[i], m->target[i]);
+      } else {
+        printf("add dst[%d] to dst[%d]\n", m->source[i], m->target[i]);
+      }
+    }
+  }
+  m4ri_mm_free(iszero);
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.h
new file mode 100644
index 0000000..c740075
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.h
@@ -0,0 +1,146 @@
+/**
+ * \file djb.h
+ *
+ * \brief Dan Bernstein's "Optimizing linear maps mod 2"
+ *
+ * This code is a port of sort1.cpp available at http://binary.cr.yp.to/linearmod2.html
+ *
+ * Given a matrix A djb_compile(A) will compute a djb_t data structure which realises A with
+ * (heuristically) (m * n)/(log m - loglog m) XORs.
+ * 
+ * It makes use of a binary heap written by Martin Kunev which is available at
+ * https://gist.github.com/martinkunev/1365481
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ */
+
+#ifndef M4RI_DJB_H
+#define M4RI_DJB_H
+
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Specify source type of addition
+ */
+
+typedef enum {
+  source_target, //< add from target matrix
+  source_source //< add from source matrix
+} srctyp_t;
+
+/**
+ * \brief DJB's optimized linear maps mod 2
+ */
+ 
+typedef struct {
+  rci_t nrows; /*!< Number of rows of map */
+  rci_t ncols; /*!< Number of columns of map */
+  rci_t *target; /*!< target row at index i */
+  rci_t *source; /*!< source row at index i */
+  srctyp_t *srctyp; /*!< source type at index i */
+  rci_t length; /*!< length of target, source and srctype */
+  wi_t allocated; /*!< how much did we allocate already */
+} djb_t;
+
+/**
+ * Standard allocation chunk
+ */
+
+#define M4RI_DJB_BASE_SIZE 64
+
+/**
+ * Allocate a new DJB linear map
+ *
+ * \param nrows Number of rows
+ * \param ncols Number of columns 
+ */
+
+static inline djb_t *djb_init(rci_t nrows, rci_t ncols) {
+  /* we want to use realloc, so we call unaligned malloc */
+  djb_t *m = (djb_t*)malloc(sizeof(djb_t));
+  if (m == NULL)
+    m4ri_die("malloc failed.\n");
+
+  m->nrows = nrows;
+  m->ncols = ncols;
+  m->target = (rci_t*)malloc(sizeof(rci_t)    * M4RI_DJB_BASE_SIZE);
+  m->source = (rci_t*)malloc(sizeof(rci_t)    * M4RI_DJB_BASE_SIZE);
+  m->srctyp = (srctyp_t*)malloc(sizeof(srctyp_t) * M4RI_DJB_BASE_SIZE);
+  m->length = 0;
+  m->allocated = M4RI_DJB_BASE_SIZE;
+
+  if (m->target == NULL || m->source == NULL || m->srctyp == NULL)
+    m4ri_die("malloc failed.\n");
+  return m;
+}
+
+/**
+ * Free a DJB linear maps
+ *
+ * \param m Map
+ */
+
+static inline void djb_free(djb_t *m) {
+  free(m->target);
+  free(m->source);
+  free(m->srctyp);
+  free(m);
+}
+
+/**
+ * Add a new operation out[target] ^= srctype[source] to queue.
+ *
+ * \param z DJB linear map.
+ * \param target Output index
+ * \param source Input index
+ * \param srctyp Type of input (source_source or source_target)
+ */
+
+static inline void djb_push_back(djb_t *z, rci_t target, rci_t source, srctyp_t srctyp) {
+  assert((target < z->nrows) && 
+         ((source < z->ncols) | (srctyp != source_source)) &&
+         ((source < z->nrows) | (srctyp != source_target)));
+  if (z->length >= z->allocated) {
+    z->allocated += M4RI_DJB_BASE_SIZE;
+    z->target = (rci_t*)realloc(z->target, z->allocated*sizeof(rci_t));
+    z->source = (rci_t*)realloc(z->source, z->allocated*sizeof(rci_t));
+    z->srctyp = (srctyp_t*)realloc(z->srctyp, z->allocated*sizeof(srctyp_t));
+  }
+  z->target[z->length] = target;
+  z->source[z->length] = source;
+  z->srctyp[z->length] = srctyp;
+  z->length++;
+}
+
+/**
+ * Compile a new DJB linear map from A.
+ *
+ * \param A
+ */
+
+djb_t *djb_compile(mzd_t *A);
+
+/**
+ * \brief W = m*V
+ *
+ * Apply the linear map m to V and write the result in W.
+ *
+ * \param z  DJB linear map.
+ * \param W  Output matrix
+ * \param V  Input matrix
+ */
+
+void djb_apply_mzd(djb_t *z, mzd_t *W, const mzd_t *V);
+
+
+/**
+ * Print infomrmation on linear map mA
+ */
+
+static inline void djb_info(djb_t *z) {
+  double save = (double)z->length / (double)(z->nrows * z->ncols);
+  printf("%d x %d linear map in %d xors (cost: %.5f)\n", z->nrows, z->ncols, z->length, save);
+}
+
+
+#endif //M4RI_DJB_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.lo
new file mode 100644
index 0000000..abe5f18
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.lo
@@ -0,0 +1,12 @@
+# m4ri/djb.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/djb.o'
+
+# Name of the non-PIC object
+non_pic_object='djb.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.o
new file mode 100644
index 0000000..af16cda
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/djb.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.c
new file mode 100644
index 0000000..0c77e27
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.c
@@ -0,0 +1,138 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2010 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL) 
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "echelonform.h"
+#include "brilliantrussian.h"
+#include "ple.h"
+#include "triangular.h"
+
+rci_t mzd_echelonize(mzd_t *A, int full) {
+  return _mzd_echelonize_m4ri(A, full, 0, 1, __M4RI_ECHELONFORM_CROSSOVER_DENSITY);
+}
+
+rci_t mzd_echelonize_m4ri(mzd_t *A, int full, int k) {
+  return _mzd_echelonize_m4ri(A, full, k, 0, 1.0);
+}
+
+rci_t mzd_echelonize_pluq(mzd_t *A, int full) {
+  mzp_t *P = mzp_init(A->nrows);
+  mzp_t *Q = mzp_init(A->ncols);
+
+  rci_t r;
+  if(full) {
+#if 0
+    r = mzd_pluq(A, P, Q, 0);
+    mzd_t *U = mzd_init_window(A, 0, 0, r, r);
+    mzd_t *B = mzd_init_window(A, 0, r, r, A->ncols);
+    if(r!=A->ncols) 
+      mzd_trsm_upper_left(U, B, 0);
+    if(r) 
+      mzd_set_ui(U, 0);
+    for(rci_t i = 0; i < r; ++i)
+      mzd_write_bit(A, i, i, 1);
+    mzd_free_window(U);
+    mzd_free_window(B);
+
+    if(r) {
+      mzd_t *A0 = mzd_init_window(A, 0, 0, r, A->ncols);
+      mzd_apply_p_right(A0, Q);
+      mzd_free_window(A0);
+    } else {
+      mzd_apply_p_right(A, Q);
+    }
+#else
+    r = mzd_pluq(A, P, Q, 0);
+
+    mzd_t *U = mzd_init_window(A, 0, 0, r, r);
+    const rci_t r_radix = m4ri_radix*(r/m4ri_radix);
+
+    if(r_radix == r && r!=A->ncols) {
+
+      mzd_t *B = mzd_init_window(A, 0, r, r, A->ncols);
+      if(r!=A->ncols) 
+        mzd_trsm_upper_left(U, B, 0);
+      mzd_free_window(B);
+
+    } else if (r_radix != r && r!=A->ncols) {
+      assert(r_radix < r);
+
+      if(A->ncols > r_radix+m4ri_radix) {
+        mzd_t *B0  = mzd_submatrix(NULL, A, 0, r_radix, r, r_radix+m4ri_radix);
+        mzd_t *B0w = mzd_init_window(    A, 0, r_radix, r, r_radix+m4ri_radix);
+        mzd_t *B1  = mzd_init_window(A, 0, r_radix+m4ri_radix, r, A->ncols);
+
+        mzd_trsm_upper_left(U, B0, 0);
+        mzd_trsm_upper_left(U, B1, 0);
+
+        mzd_copy(B0w, B0);
+        mzd_free(B0);
+        mzd_free_window(B0w);
+        mzd_free_window(B1);
+
+      } else {
+        mzd_t *B = mzd_submatrix(NULL, A, 0, r_radix, r, A->ncols);
+        mzd_t *Bw = mzd_init_window(A, 0, r_radix, r, A->ncols);
+
+        mzd_trsm_upper_left(U, B, 0);
+
+        mzd_copy(Bw, B);
+        mzd_free_window(Bw);
+        mzd_free(B);     
+      }
+    }
+
+    mzd_set_ui(U, 1);
+    mzd_free_window(U);
+    
+    if(r) {
+      mzd_t *A0 = mzd_init_window(A, 0, 0, r, A->ncols);
+      mzd_apply_p_right(A0, Q);
+      mzd_free_window(A0);
+    }
+#endif
+
+  } else {
+    r = mzd_ple(A, P, Q, 0);
+    for(rci_t i = 0; i < r; ++i) {
+      for(rci_t j = 0; j <= i; j += m4ri_radix) {
+        int const length = MIN(m4ri_radix, i - j + 1);
+        mzd_clear_bits(A, i, j, length);
+      }
+      mzd_write_bit(A, i, Q->values[i], 1);
+    }
+  }
+
+  if(r != A->nrows) {
+    mzd_t *R = mzd_init_window(A, r, 0, A->nrows, A->ncols);
+    mzd_set_ui(R, 0);
+    mzd_free_window(R);
+  }
+
+  mzp_free(P);
+  mzp_free(Q);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_RCI(r);
+  return r;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.h
new file mode 100644
index 0000000..fd05c9e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.h
@@ -0,0 +1,81 @@
+/**
+ * \file echelonform.h
+ * \brief Row echelon forms
+ *
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ */
+
+#ifndef M4RI_ECHELONFORM_H
+#define M4RI_ECHELONFORM_H
+
+/*******************************************************************
+*
+*                M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2010 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/mzd.h>
+
+/**
+ * Density at which we switch to PLE decomposition.
+ */
+
+#define __M4RI_ECHELONFORM_CROSSOVER_DENSITY 0.15
+
+/**
+ * \brief (Reduced) row echelon form.
+ *
+ * This function will 
+ *
+ * \param A Matrix.
+ * \param full Return the reduced row echelon form, not only upper triangular form.
+ *
+ * \return Rank of A.
+ */
+
+rci_t mzd_echelonize(mzd_t *A, int full);
+
+/**
+ * \brief (Reduced) row echelon form using PLUQ factorisation.
+ *
+ * \param A Matrix.
+ * \param full Return the reduced row echelon form, not only upper triangular form.
+ *
+ * \sa mzd_pluq()
+ *
+ * \return Rank of A.
+ */
+
+rci_t mzd_echelonize_pluq(mzd_t *A, int full);
+
+/**
+ * \brief Matrix elimination using the 'Method of the Four Russians' (M4RI).
+ *
+ * This is a wrapper function for _mzd_echelonize_m4ri()
+ * 
+ * \param A Matrix to be reduced.
+ * \param full Return the reduced row echelon form, not only upper triangular form.
+ * \param k M4RI parameter, may be 0 for auto-choose.
+ *
+ * \sa _mzd_echelonize_m4ri()
+ * 
+ * \return Rank of A.
+ */
+
+rci_t mzd_echelonize_m4ri(mzd_t *A, int full, int k);
+
+#endif // M4RI_ECHELONFORM_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.lo
new file mode 100644
index 0000000..4b04c02
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.lo
@@ -0,0 +1,12 @@
+# m4ri/echelonform.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/echelonform.o'
+
+# Name of the non-PIC object
+non_pic_object='echelonform.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.o
new file mode 100644
index 0000000..a6b881d
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/echelonform.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.c
new file mode 100644
index 0000000..8ecec88
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.c
@@ -0,0 +1,86 @@
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007 Gregory Bard <gregory.bard@ieee.org> 
+*    Copyright (C) 2007 Martin Albrecht <malb@informatik.uni-bremen.de> 
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include "misc.h"
+#include "graycode.h"
+
+code **m4ri_codebook = NULL;
+
+int m4ri_gray_code(int number, int length) {
+  int lastbit = 0;
+  int res = 0;
+  for(int i = length - 1; i >= 0; --i) {
+    int bit = number & (1 << i);
+    res |= (lastbit >> 1) ^ bit;
+    lastbit = bit;
+  }
+  return res;
+}
+
+void m4ri_build_code(int *ord, int *inc, int l) {
+  for(int i = 0 ; i < (int)__M4RI_TWOPOW(l); ++i) {
+    ord[i] = m4ri_gray_code(i, l);
+  }
+
+  for(int i = l; i > 0; --i) {
+    for(int j = 1; j < (int)__M4RI_TWOPOW(i) + 1; ++j) {
+      inc[j * __M4RI_TWOPOW(l - i) - 1] = l - i;
+    }
+  }
+}
+
+void m4ri_build_all_codes() {
+  if (m4ri_codebook) {
+    return;
+  }
+  m4ri_codebook=(code**)m4ri_mm_calloc(__M4RI_MAXKAY + 1, sizeof(code*));
+  
+  for(int k = 1; k < __M4RI_MAXKAY + 1; ++k) {
+    m4ri_codebook[k] = (code*)m4ri_mm_calloc(1, sizeof(code));
+    m4ri_codebook[k]->ord =(int*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(int));
+    m4ri_codebook[k]->inc =(int*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(int));
+    m4ri_build_code(m4ri_codebook[k]->ord, m4ri_codebook[k]->inc, k);
+  }
+}
+
+void m4ri_destroy_all_codes() {
+  if (!m4ri_codebook) {
+    return;
+  }
+  for(int i = 1; i < __M4RI_MAXKAY + 1; ++i) {
+    m4ri_mm_free(m4ri_codebook[i]->inc);
+    m4ri_mm_free(m4ri_codebook[i]->ord);
+    m4ri_mm_free(m4ri_codebook[i]);
+  }
+  m4ri_mm_free(m4ri_codebook);
+  m4ri_codebook = NULL;
+}
+
+
+int m4ri_opt_k(int a, int b, int c) {
+  int n = MIN(a, b);
+  int res = MIN(__M4RI_MAXKAY, MAX(1, (int)(0.75 * (1 + log2_floor(n)))) );
+  return res;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.h
new file mode 100644
index 0000000..db86750
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.h
@@ -0,0 +1,168 @@
+/**
+ * \file graycode.h
+ * \brief Gray code implementation.
+ * 
+ * The Gray code is a binary numeral system where two successive
+ * values differ in only one digit.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ */
+
+#ifndef M4RI_GRAYFLEX_H
+#define M4RI_GRAYFLEX_H
+
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007 Gregory Bard <gregory.bard@ieee.org> 
+*    Copyright (C) 2007 Martin Albrecht <malb@informatik.uni-bremen.de> 
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+ 
+/**
+ * Maximum allowed value for k.
+ */
+
+#define __M4RI_MAXKAY 16
+
+/**
+ * \brief Gray codes.
+ *
+ * A codestruct represents one entry in the code book, i.e. it
+ * represents a Gray code of a given length.
+ *
+ * For example the Gray code table of length \f$2^3\f$ is:
+ *
+ * \verbatim
+-------------------
+|  i  | ord | inc |
+-------------------
+|  0  |  0  |  0  | 
+|  1  |  4  |  1  |
+|  2  |  6  |  0  |
+|  3  |  2  |  2  |
+|  4  |  3  |  0  |
+|  5  |  7  |  1  |
+|  6  |  5  |  0  |
+|  7  |  1  |  2  |
+-------------------
+ * \endverbatim
+ */
+
+typedef struct {
+  /**
+   * array of of Gray code entries
+   */
+  int *ord;
+  /**
+   * increment
+   */
+  int *inc;
+} code;
+
+/**
+ * Global m4ri_codebook.
+ *
+ * \warning Not thread safe!
+ */ 
+
+extern code **m4ri_codebook;
+
+/**
+ * Returns the i-th gray code entry for a gray code of length \f$2^l\f$.
+ * 
+ * \param i The index in the Gray code table.
+ * \param l Length of the Gray code.
+ *
+ * \return i-th Gray code entry.
+ */
+
+int m4ri_gray_code(int i, int l);
+
+/**
+ * Fills var ord and var inc with Gray code data for a Gray code of
+ * length \f$2^l\f$.
+ * 
+ * \param ord Will hold gray code data, must be preallocated with correct size
+ * \param inc Will hold some increment data, must be preallocated with correct size
+ * \param l Logarithm of length of Gray code.
+ *
+ * \note Robert Miller had the idea for a non-recursive
+ * implementation.
+ */
+
+void m4ri_build_code(int *ord, int *inc, int l);
+
+/**
+ * \brief Generates global code book. 
+ *
+ * This function is called automatically when the shared library is
+ * loaded.
+ *
+ * \warning Not thread safe!
+ */
+
+void m4ri_build_all_codes(void);
+
+/**
+ * Frees memory from the global code book.
+ *
+ * This function is called automatically when the shared library is
+ * unloaded.
+ *
+ * \warning Not thread safe!
+ */
+
+void m4ri_destroy_all_codes(void);
+
+/**
+ * floor(log_2(v))
+ */
+
+static inline int log2_floor(int v) {
+  static unsigned const int b[] = { 0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000 };
+  static unsigned const int S[] = { 1, 2, 4, 8, 16 };
+  unsigned int r = 0;
+  for (int i = 4; i >= 0; --i)
+  {
+    if ((v & b[i]))
+    {
+      v >>= S[i];
+      r |= S[i];
+    }
+  }
+  return r;
+}
+
+
+/**
+ * \brief Return the optimal var k for the given parameters.
+ *
+ * If var c != 0 then var k for multiplication is returned, else
+ * var k for inversion. The optimal var k here means \f$0.75 log_2(n)\f$
+ * where \f$n\f$ is \f$min(a,b)\f$ for inversion and
+ * \f$b\f$ for multiplication.
+ *
+ * \param a Number of rows of (first) matrix
+ * \param b Number of columns of (first) matrix
+ * \param c Number of columns of second matrix (may be 0)
+ *
+ * \return k
+ */
+
+int m4ri_opt_k(int a,int b,int c);
+
+#endif // M4RI_GRAYFLEX_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.lo
new file mode 100644
index 0000000..c6c763c
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.lo
@@ -0,0 +1,12 @@
+# m4ri/graycode.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/graycode.o'
+
+# Name of the non-PIC object
+non_pic_object='graycode.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.o
new file mode 100644
index 0000000..22668fd
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/graycode.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/io.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.c
new file mode 100644
index 0000000..2f64849
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.c
@@ -0,0 +1,397 @@
+/*******************************************************************
+*
+*                M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2011 Martin Albrecht <martinralbrecht@googlemail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "m4ri_config.h"
+
+#if __M4RI_HAVE_LIBPNG
+#include <png.h>
+#endif //__M4RI_HAVE_LIBPNG
+
+
+#include "io.h"
+#include "echelonform.h"
+
+void mzd_info(const mzd_t *A, int do_rank) {
+  printf("nrows: %6zu, ncols: %6zu, density: %6.5f, hash: 0x%016zx",(size_t)A->nrows,(size_t)A->ncols,mzd_density(A,1),mzd_hash(A));
+  if(do_rank) {
+    mzd_t *AA = mzd_copy(NULL, A);
+    printf(", rank: %6zu\n",(size_t)mzd_echelonize(AA,0));
+    mzd_free(AA);
+  } else {
+    printf("\n");
+  }
+}
+
+#define SAFECHAR (m4ri_radix + m4ri_radix / 4 + 1)
+
+void mzd_print(mzd_t const *M) {
+  char temp[SAFECHAR];
+  for (rci_t i = 0; i < M->nrows; ++i) {
+    printf("[");
+    word *row = M->rows[i];
+    for (wi_t j = 0; j < M->width - 1; ++j) {
+      m4ri_word_to_str(temp, row[j], 1);
+      printf("%s|", temp);
+    }
+    row = row + M->width - 1;
+    int const wide = (M->ncols % m4ri_radix) ? M->ncols % m4ri_radix : m4ri_radix;
+    for (int j = 0; j < wide; ++j) {
+      if(j != 0 && (j % 4) == 0)
+        printf(":");
+      if (__M4RI_GET_BIT(*row, j)) 
+        printf("1");
+      else
+        printf(" ");
+    }
+    printf("]\n");
+  }
+}
+
+void mzd_print_row(mzd_t const *M, const rci_t i) {
+  char temp[SAFECHAR];
+  printf("[");
+  word *row = M->rows[i];
+  for (wi_t j = 0; j < M->width - 1; ++j) {
+    m4ri_word_to_str(temp, row[j], 1);
+    printf("%s|", temp);
+  }
+  row = row + M->width - 1;
+  int const wide = (M->ncols % m4ri_radix) ? M->ncols % m4ri_radix : m4ri_radix;
+  for (int j = 0; j < wide; ++j) {
+    if(j != 0 && (j % 4) == 0)
+      printf(":");
+    if (__M4RI_GET_BIT(*row, j)) 
+      printf("1");
+    else
+      printf(" ");
+  }
+  printf("]\n");
+}
+
+
+#if __M4RI_HAVE_LIBPNG
+#define PNGSIGSIZE 8
+
+mzd_t * mzd_from_png(const char *fn, int verbose) {
+  int retval = 0;
+  mzd_t *A = NULL;
+  png_byte pngsig[PNGSIGSIZE];
+
+  FILE *fh = fopen(fn,"rb");
+
+  if (!fh) {
+    if (verbose)
+      printf("Could not open file '%s' for reading\n",fn);
+    return NULL;
+  };
+    
+  if (fread((char*)pngsig, PNGSIGSIZE, 1, fh) != 1) {
+    if (verbose)
+      printf("Could not read file '%s'\n",fn);
+    retval = 1;
+    goto from_png_close_fh;
+  }
+
+  if (png_sig_cmp(pngsig, 0, PNGSIGSIZE) != 0) {
+    if (verbose)
+      printf("'%s' is not a PNG file.\n",fn);
+    retval = 2;
+    goto from_png_close_fh;
+  }
+
+  png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+
+  if (!png_ptr) {
+    if (verbose)
+      printf("failed to initialise PNG read struct.\n");
+    retval = 3;
+    goto from_png_close_fh;
+  }
+  png_set_user_limits(png_ptr, 0x7fffffffL,  0x7fffffffL);
+
+  png_infop info_ptr = png_create_info_struct(png_ptr);
+
+  if (!info_ptr) {
+    if (verbose)
+      printf("failed to initialise PNG info struct\n");
+    retval = 3;
+    goto from_png_destroy_read_struct;
+  }
+
+  png_init_io(png_ptr, fh);
+  png_set_sig_bytes(png_ptr, PNGSIGSIZE);
+  png_read_info(png_ptr, info_ptr);
+ 
+  const png_uint_32 m                = png_get_image_height(png_ptr, info_ptr);
+  const png_uint_32 n                = png_get_image_width(png_ptr, info_ptr);
+  const png_uint_32 bit_depth        = png_get_bit_depth(png_ptr, info_ptr);
+  const png_uint_32 channels         = png_get_channels(png_ptr, info_ptr);
+  const png_uint_32 color_type       = png_get_color_type(png_ptr, info_ptr);
+  const png_uint_32 compression_type = png_get_compression_type(png_ptr, info_ptr);
+  const png_uint_32 interlace_type   = png_get_interlace_type(png_ptr, info_ptr);
+
+  if (interlace_type != PNG_INTERLACE_NONE) {
+    if (verbose)
+      printf("interlaced images not supported\n");
+    goto from_png_destroy_read_struct;
+  };
+
+  if (verbose)
+    printf("reading %u x %u matrix (bit depth: %u, channels: %u, color type: %u, compression type: %u)\n",(unsigned int)m,
+           (unsigned int)n, (unsigned int)bit_depth, (unsigned int)channels, (unsigned int)color_type, (unsigned int)compression_type);
+
+  if(color_type != 0 && color_type != 3) {
+    if (verbose)
+      printf("only graycscale and palette colors are supported.\n");
+    goto from_png_destroy_read_struct;
+  }
+    
+  A = mzd_init(m, n);
+  const word bitmask_end = A->high_bitmask;
+  png_bytep row = m4ri_mm_calloc(sizeof(char),n/8+1);
+
+  word tmp;
+  wi_t j;
+
+  png_set_packswap(png_ptr);
+  //png_set_invert_mono(png_ptr);
+
+  for(rci_t i=0; i<m; i++) {
+    png_read_row(png_ptr, row, NULL);
+    for(j=0; j<A->width-1; j++) {
+      tmp = ((word)row[8*j+7])<<56 | ((word)row[8*j+6])<<48 \
+        |   ((word)row[8*j+5])<<40 | ((word)row[8*j+4])<<32 \
+        |   ((word)row[8*j+3])<<24 | ((word)row[8*j+2])<<16 \
+        |   ((word)row[8*j+1])<< 8 | ((word)row[8*j+0])<< 0;
+      A->rows[i][j] = ~tmp;
+    }
+    tmp = 0;
+    switch((n/8 + ((n%8) ? 1 : 0))%8) {
+    case 0: tmp |= ((word)row[8*j+7])<<56;
+    case 7: tmp |= ((word)row[8*j+6])<<48;
+    case 6: tmp |= ((word)row[8*j+5])<<40;
+    case 5: tmp |= ((word)row[8*j+4])<<32;
+    case 4: tmp |= ((word)row[8*j+3])<<24;
+    case 3: tmp |= ((word)row[8*j+2])<<16;
+    case 2: tmp |= ((word)row[8*j+1])<< 8;
+    case 1: tmp |= ((word)row[8*j+0])<< 0;
+    };
+    A->rows[i][j] |= (~tmp & bitmask_end);
+  }
+
+  m4ri_mm_free(row);
+  png_read_end(png_ptr, NULL);
+
+ from_png_destroy_read_struct: 
+  png_destroy_read_struct(&png_ptr, &info_ptr,(png_infopp)0);
+
+ from_png_close_fh: 
+  fclose(fh);
+
+  if (retval != 0 && A) {
+    mzd_free(A);
+    return NULL;
+  } else {
+    return A;
+  }
+}
+
+int mzd_to_png(const mzd_t *A, const char *fn, int compression_level, const char *comment, int verbose) {
+  FILE *fh = fopen(fn, "wb");
+
+  if (!fh) {
+    if(verbose)
+      printf("Could not open file '%s' for writing\n",fn);
+    return 1;
+  }
+
+  png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+
+  if (!png_ptr) {
+    if(verbose)
+      printf("failed to initialise PNG write struct.\n");
+    fclose(fh);
+    return 3;
+  }
+  png_set_user_limits(png_ptr, 0x7fffffffL,  0x7fffffffL);
+
+  png_infop info_ptr = png_create_info_struct(png_ptr);
+
+  if (!info_ptr) {
+    if (verbose)
+      printf("failed to initialise PNG info struct\n");
+    png_destroy_write_struct(&png_ptr, &info_ptr);
+    fclose(fh);
+    return 3;
+  }
+
+  if (setjmp(png_jmpbuf(png_ptr))) {
+    if (verbose)
+      printf("error writing PNG file\n");
+    png_destroy_write_struct(&png_ptr, &info_ptr);
+    fclose(fh);
+    return 1;
+  }
+
+  png_init_io(png_ptr, fh);
+  png_set_compression_level(png_ptr, compression_level);
+
+  png_set_IHDR(png_ptr, info_ptr, A->ncols, A->nrows, 1, \
+               PNG_COLOR_TYPE_GRAY, \
+               PNG_INTERLACE_NONE, \
+               PNG_COMPRESSION_TYPE_DEFAULT, \
+               PNG_FILTER_TYPE_DEFAULT);
+
+  png_text txt_ptr[3];
+
+  char pdate[21];
+  time_t ptime=time(NULL);
+  struct tm *ltime=localtime(&ptime);
+  sprintf(pdate,"%04d/%02d/%02d %02d:%02d:%02d",ltime->tm_year+1900,ltime->tm_mon+1,ltime->tm_mday,ltime->tm_hour,ltime->tm_min,ltime->tm_sec);
+
+  txt_ptr[0].key="Software";
+  txt_ptr[0].text="M4RI";
+  txt_ptr[0].compression=PNG_TEXT_COMPRESSION_NONE;
+  txt_ptr[1].key="Date";
+  txt_ptr[1].text=pdate;
+  txt_ptr[1].compression=PNG_TEXT_COMPRESSION_NONE;
+  txt_ptr[2].key="Comment";
+  txt_ptr[2].text=(char*)comment;
+  txt_ptr[2].compression=PNG_TEXT_COMPRESSION_NONE;
+
+  png_set_text(png_ptr, info_ptr, txt_ptr, 3);
+
+  png_write_info(png_ptr, info_ptr);
+
+  png_set_packswap(png_ptr);
+  png_set_invert_mono(png_ptr);
+  
+  png_bytep row = m4ri_mm_calloc(sizeof(char),A->ncols/8+8);
+
+  wi_t j=0;
+  word tmp = 0;
+  for(rci_t i=0; i<A->nrows; i++) {
+    word *rowptr = A->rows[i];
+    for(j=0; j<A->width-1; j++) {
+      tmp = rowptr[j];
+      row[8*j+0] = (png_byte)((tmp>> 0) & 0xff);
+      row[8*j+1] = (png_byte)((tmp>> 8) & 0xff);
+      row[8*j+2] = (png_byte)((tmp>>16) & 0xff);
+      row[8*j+3] = (png_byte)((tmp>>24) & 0xff);
+      row[8*j+4] = (png_byte)((tmp>>32) & 0xff);
+      row[8*j+5] = (png_byte)((tmp>>40) & 0xff);
+      row[8*j+6] = (png_byte)((tmp>>48) & 0xff);
+      row[8*j+7] = (png_byte)((tmp>>56) & 0xff);
+    }
+    tmp = rowptr[j];
+    switch( (A->ncols/8 + ((A->ncols%8) ? 1 : 0)) %8 ) {
+    case 0: row[8*j+7] = (png_byte)((tmp>>56) & 0xff);
+    case 7: row[8*j+6] = (png_byte)((tmp>>48) & 0xff);
+    case 6: row[8*j+5] = (png_byte)((tmp>>40) & 0xff); 
+    case 5: row[8*j+4] = (png_byte)((tmp>>32) & 0xff); 
+    case 4: row[8*j+3] = (png_byte)((tmp>>24) & 0xff);
+    case 3: row[8*j+2] = (png_byte)((tmp>>16) & 0xff);
+    case 2: row[8*j+1] = (png_byte)((tmp>> 8) & 0xff);
+    case 1: row[8*j+0] = (png_byte)((tmp>> 0) & 0xff);
+    };
+    png_write_row(png_ptr, row);
+  }
+  m4ri_mm_free(row);
+
+  png_write_end(png_ptr, info_ptr);
+  png_destroy_write_struct(&png_ptr, &info_ptr);
+  fclose(fh);
+  return 0;
+}
+
+#endif //__M4RI_HAVE_LIBPNG
+
+mzd_t *mzd_from_jcf(const char *fn, int verbose) {
+  int retval = 0;
+  mzd_t *A = NULL;
+  FILE *fh = fopen(fn,"r");
+
+  rci_t m,n;
+  long p  = 0;
+  long nonzero = 0;
+
+  if (!fh) {
+    if (verbose)
+      printf("Could not open file '%s' for reading\n",fn);
+    return NULL;
+  }
+
+  if (fscanf(fh, "%d %d %ld\n%ld\n\n",&m,&n,&p,&nonzero) != 4) {
+    if (verbose)
+      printf("File '%s' does not seem to be in JCF format.",fn);
+    retval = 1;
+    goto from_jcf_close_fh;
+  }
+
+  if(p != 2) {
+    if (verbose)
+      printf("Expected p==2 but found p==%ld\n",p);
+    retval = 1;
+    goto from_jcf_close_fh;
+  }
+
+  if (verbose)
+    printf("reading %lu x %lu matrix with at most %ld non-zero entries (density at most: %6.5f)\n",
+           (unsigned long)m, (unsigned long)n, (unsigned long)nonzero, ((double)nonzero)/((double)m*n));
+
+  A = mzd_init(m,n);
+  
+  long i = -1;
+  long j = 0;
+
+  while(fscanf(fh,"%ld\n",&j) == 1) {
+    if (j<0) {
+      i++, j = -j;
+    }
+    if (((j-1) >= n) || (i>= m))
+      m4ri_die("trying to write to (%ld,%ld) in %ld x %ld matrix\n", i, j-1, m, n);
+    mzd_write_bit(A, i, j-1, 1);
+  };
+
+ from_jcf_close_fh:
+  fclose(fh);
+
+  if(retval != 0 && A) {
+    mzd_free(A);
+    return NULL;
+  } else {
+    return A;
+  }
+}
+
+mzd_t *mzd_from_str(rci_t m, rci_t n, const char *str) {
+  int idx = 0;
+  mzd_t *A = mzd_init(m, n);
+  for(rci_t i=0; i<A->nrows; i++) {
+    for(rci_t j=0; j<A->ncols; j++) {
+      mzd_write_bit(A, i, j, str[idx++] == '1');
+    }
+  }
+  return A;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/io.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.h
new file mode 100644
index 0000000..91475ae
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.h
@@ -0,0 +1,169 @@
+/**
+ * \file io.h
+ * \brief Input/output routines for matrices
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ */
+
+#ifndef M4RI_IO_H
+#define M4RI_IO_H
+
+/*******************************************************************
+*
+*                M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2011 Martin Albrecht <martinralbrecht@googlemail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/m4ri_config.h>
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Print a matrix to stdout. 
+ *
+ * The output will contain colons between every 4-th column.
+ *
+ * \param M Matrix
+ */
+
+void mzd_print(mzd_t const *M);
+
+/**
+ * \brief Print row i of M to stdout. 
+ *
+ * The output will contain colons between every 4-th column.
+ *
+ * \param M Matrix
+ * \param i Row to print
+ */
+
+void mzd_print_row(mzd_t const *M, const rci_t i);
+
+/**
+ * \brief Print compact information about the matrix to stdout. 
+ *
+ * Prints number of rows, number of columns, density (and rank).
+ *
+ * \param A Matrix
+ * \param do_rank Also display the rank (expensive)
+ */
+
+void mzd_info(const mzd_t *A, int do_rank);
+
+#if __M4RI_HAVE_LIBPNG
+
+/**
+ * \brief Read matrix from 1-bit PNG image.
+ *
+ * This function returns a matrix on success and NULL otherwise. 1-bit
+ * Grayscale and 1-bit Palette images are supported.
+ *
+ * \param fn Filename
+ * \param verbose Print error message to stdout if != 0
+ */
+
+mzd_t * mzd_from_png(const char *fn, int verbose);
+
+/**
+ * \brief Write matrix to 1-bit PNG image.
+ *
+ * This function returns zero on success and some value != 0
+ * otherwise. The parameter compression_level takes a zlib compression
+ * level, i.e., an integer betweeen -1 and 9 (inclusive) such that
+ *
+\verbatim
+#define Z_NO_COMPRESSION         0
+#define Z_BEST_SPEED             1
+#define Z_BEST_COMPRESSION       9
+#define Z_DEFAULT_COMPRESSION  (-1)
+\endverbatim
+ *
+ * The optional comment string is written as a PNG comment. 
+ *
+ * 
+ * \param A Matrix
+ * \param fn Filename (must have write permission)
+ * \param compression_level Zlib compression level (see above)
+ * \param comment Optional comment (may be NULL)
+ * \param verbose Print error message to stdout if != 0
+ */
+
+int mzd_to_png(const mzd_t *A, const char *fn, int compression_level, const char *comment, int verbose);
+
+#endif //__M4RI_HAVE_LIBPNG
+
+
+/**
+ * \brief Read matrix from ASCII file in JCF format.
+ *
+ * The format is as follows:
+\verbatim
+nrows ncols modulus
+nonzero_entries_upper_bound
+column_index
+\endverbatim
+ *
+ * where a negative column_index indicates a row_index increase by one and a non-zero entry at index
+ * -column_index.
+ *
+ * \note the JCF format is one-based in contrast to everything else in this library which is
+ * zero-based.
+ *
+ * For example, a valid input is:
+\verbatim
+3 2 2
+3
+
+-2
+-1
+-2
+\endverbatim
+ *
+ * which produces the matrix
+\verbatim
+[0 1]
+[1 0]
+[0 1]
+\endverbatim
+ *
+ *
+ * \param fn Filename
+ * \param verbose Print error message to stdout if != 0
+ */
+
+mzd_t *mzd_from_jcf(const char *fn, int verbose);
+
+/**
+ * \brief Create matrix from dense ASCII string
+ *
+ * The provided string is parsed in row major ordering, i.e. the first entry is
+ * writen to A[0,0], the second entry to A[0,1] etc.
+ *
+ * For example, calling
+\verbatim
+mzd_t *A = mzd_from_str(4, 4, "1000010000100001");
+\endverbatim
+ * 
+ * would create a 4 x 4 identity matrix. 
+ *
+ * \param m Number of rows
+ * \param n Nimber of columns
+ * \param str String containing ASCII zeros and ones of length m*n
+ */
+
+mzd_t *mzd_from_str(rci_t m, rci_t n, const char *str);
+
+#endif //M4RI_IO_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/io.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.lo
new file mode 100644
index 0000000..90158a7
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.lo
@@ -0,0 +1,12 @@
+# m4ri/io.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/io.o'
+
+# Name of the non-PIC object
+non_pic_object='io.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/io.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.o
new file mode 100644
index 0000000..59746e3
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/io.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri.h
new file mode 100644
index 0000000..37f213d
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri.h
@@ -0,0 +1,76 @@
+/**
+ * \file m4ri.h
+ * \brief Main include file for the M4RI library.
+ * 
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ */
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007 Gregory Bard <gregory.bard@ieee.org> 
+*    Copyright (C) 2007,2008 Martin Albrecht <malb@informatik.uni-bremen.de> 
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifndef M4RI_M4RI_H
+#define M4RI_M4RI_H
+
+/**
+ * \mainpage 
+ * 
+ * M4RI is a library to do fast arithmetic with dense matrices over
+ * \f$F_2\f$. M4RI is available under the GPLv2+ and used by the Sage
+ * mathematics software and the PolyBoRi library. See
+ * http://m4ri.sagemath.org for details.
+ *
+ * \example testsuite/test_multiplication.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#if defined(__M4RI_HAVE_SSE2) && __M4RI_HAVE_SSE2
+#   if !defined(__SSE2__) || !__SSE2__
+#       error "Your current compiler and / or CFLAGS setting doesn't allow SSE2 code. Please change that or these to the setting(s) you used when compiling M4RI."
+#   endif
+#endif
+
+#if defined(__cplusplus) && !defined (_MSC_VER)
+extern "C" {
+#endif
+
+#include <m4ri/mzp.h>
+#include <m4ri/mzd.h>
+#include <m4ri/brilliantrussian.h>
+#include <m4ri/strassen.h>
+#include <m4ri/mp.h>  
+#include <m4ri/graycode.h>
+#include <m4ri/parity.h>
+#include <m4ri/triangular.h>
+#include <m4ri/triangular_russian.h>
+#include <m4ri/ple.h>
+#include <m4ri/ple_russian.h>
+#include <m4ri/solve.h>
+#include <m4ri/echelonform.h>
+#include <m4ri/io.h>
+#include <m4ri/djb.h>
+
+#if defined(__cplusplus) && !defined (_MSC_VER)
+}
+#endif
+
+#endif // M4RI_M4RI_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h
new file mode 100644
index 0000000..fcf5f1f
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h
@@ -0,0 +1,26 @@
+#ifndef M4RI_M4RI_CONFIG_H
+#define M4RI_M4RI_CONFIG_H
+
+// Defines determined during configuration of m4ri.
+#define __M4RI_HAVE_MM_MALLOC		1
+#define __M4RI_HAVE_POSIX_MEMALIGN	1
+#define __M4RI_HAVE_SSE2		1
+#define __M4RI_HAVE_OPENMP		0
+#define __M4RI_CPU_L1_CACHE		32768
+#define __M4RI_CPU_L2_CACHE		524288
+#define __M4RI_CPU_L3_CACHE		33554432
+#define __M4RI_DEBUG_DUMP		(0 || 0)
+#define __M4RI_DEBUG_MZD		0
+#define __M4RI_HAVE_LIBPNG              0
+
+#define __M4RI_CC                       "gcc"
+#define __M4RI_CFLAGS                   " -mmmx -msse -msse2 -msse3  -g -O2"
+#define __M4RI_SIMD_CFLAGS              " -mmmx -msse -msse2 -msse3"
+#define __M4RI_OPENMP_CFLAGS            ""
+
+// Helper macros.
+#define __M4RI_USE_MM_MALLOC		(__M4RI_HAVE_MM_MALLOC && __M4RI_HAVE_SSE2)
+#define __M4RI_USE_POSIX_MEMALIGN	(__M4RI_HAVE_POSIX_MEMALIGN && __M4RI_HAVE_SSE2)
+#define __M4RI_DD_QUIET			(0 && !0)
+
+#endif // M4RI_M4RI_CONFIG_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h.in b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h.in
new file mode 100644
index 0000000..2f8b4b5
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/m4ri_config.h.in
@@ -0,0 +1,26 @@
+#ifndef M4RI_M4RI_CONFIG_H
+#define M4RI_M4RI_CONFIG_H
+
+// Defines determined during configuration of m4ri.
+#define __M4RI_HAVE_MM_MALLOC		@M4RI_HAVE_MM_MALLOC@
+#define __M4RI_HAVE_POSIX_MEMALIGN	@M4RI_HAVE_POSIX_MEMALIGN@
+#define __M4RI_HAVE_SSE2		@M4RI_HAVE_SSE2@
+#define __M4RI_HAVE_OPENMP		@M4RI_HAVE_OPENMP@
+#define __M4RI_CPU_L1_CACHE		@M4RI_CPU_L1_CACHE@
+#define __M4RI_CPU_L2_CACHE		@M4RI_CPU_L2_CACHE@
+#define __M4RI_CPU_L3_CACHE		@M4RI_CPU_L3_CACHE@
+#define __M4RI_DEBUG_DUMP		(@M4RI_DEBUG_DUMP@ || @M4RI_DEBUG_MZD@)
+#define __M4RI_DEBUG_MZD		@M4RI_DEBUG_MZD@
+#define __M4RI_HAVE_LIBPNG              @M4RI_HAVE_LIBPNG@
+
+#define __M4RI_CC                       "@CC@"
+#define __M4RI_CFLAGS                   "@SIMD_CFLAGS@ @OPENMP_CFLAGS@ @CFLAGS@"
+#define __M4RI_SIMD_CFLAGS              "@SIMD_CFLAGS@"
+#define __M4RI_OPENMP_CFLAGS            "@OPENMP_CFLAGS@"
+
+// Helper macros.
+#define __M4RI_USE_MM_MALLOC		(__M4RI_HAVE_MM_MALLOC && __M4RI_HAVE_SSE2)
+#define __M4RI_USE_POSIX_MEMALIGN	(__M4RI_HAVE_POSIX_MEMALIGN && __M4RI_HAVE_SSE2)
+#define __M4RI_DD_QUIET			(@M4RI_DEBUG_MZD@ && !@M4RI_DEBUG_DUMP@)
+
+#endif // M4RI_M4RI_CONFIG_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.c
new file mode 100644
index 0000000..34b8676
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.c
@@ -0,0 +1,121 @@
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007 Gregory Bard <gregory.bard@ieee.org> 
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef _MSC_VER
+#include <windows.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "graycode.h"
+#include "misc.h"
+#include "mmc.h"
+
+void m4ri_die(const char *errormessage, ...) {
+  va_list lst;
+  va_start(lst, errormessage);
+  vfprintf(stderr, errormessage, lst);
+  va_end(lst);
+  abort();
+}
+
+/* Warning: If colon, destination must have m4ri_radix + (m4ri_radix - 1) / 4 + 1 bytes available. */
+void m4ri_word_to_str(char *destination, word data, int colon) {
+  int j = 0;
+  for (int i = 0; i < m4ri_radix; ++i) {
+    if (colon && (i % 4) == 0 && i != 0)
+      destination[j++] = ':';
+    if (__M4RI_GET_BIT(data, i))
+      destination[j++] = '1';
+    else 
+      destination[j++] = ' ';
+  }
+  destination[j] = '\0';
+}
+
+word m4ri_random_word() {
+#ifdef _MSC_VER
+  word a = 0;
+  int i;
+  for(i=0; i< m4ri_radix; i+=8) {
+    a ^= (((word)rand())<<i);
+  };
+  return a;
+#else
+  // random() only returns 31 bits, so we need three calls.
+  word a0 = random();
+  word a1 = random();
+  word a2 = random();
+  return a0 ^ (a1 << 24) ^ a2 << 48;
+#endif
+}
+
+#ifdef __GNUC__
+void __attribute__ ((constructor)) m4ri_init()
+#else
+void m4ri_init()
+#endif
+{
+  m4ri_build_all_codes();
+}
+#ifdef __GNUC__
+void __attribute__ ((destructor)) m4ri_fini()
+#else
+void m4ri_fini()
+#endif
+{
+  m4ri_mmc_cleanup();
+  m4ri_destroy_all_codes();
+}
+
+#ifdef _MSC_VER
+BOOL WINAPI DllMain(
+                    HINSTANCE hinstDLL,  // handle to DLL module
+                    DWORD fdwReason,     // reason for calling function
+                    LPVOID lpReserved )  // reserved
+{
+    // Perform actions based on the reason for calling.
+  switch( fdwReason ) 
+    { 
+    case DLL_PROCESS_ATTACH:
+      m4ri_build_all_codes();
+      break;
+      
+    case DLL_THREAD_ATTACH:
+      // Do thread-specific initialization.
+      break;
+      
+    case DLL_THREAD_DETACH:
+      // Do thread-specific cleanup.
+      break;
+      
+    case DLL_PROCESS_DETACH:
+      m4ri_mmc_cleanup();
+      m4ri_destroy_all_codes();
+      break;
+    }
+  return TRUE;  // Successful DLL_PROCESS_ATTACH.
+}
+#endif
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.h
new file mode 100644
index 0000000..c618238
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.h
@@ -0,0 +1,742 @@
+
+/**
+ * \file misc.h
+ * \brief Helper functions.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ * \author Carlo Wood <carlo@alinoe.com>
+ */
+
+#ifndef M4RI_MISC_H
+#define M4RI_MISC_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+*    Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/m4ri_config.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if __M4RI_USE_MM_MALLOC
+#include <mm_malloc.h>
+#endif
+
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+/// @cond INTERNAL
+#define __STDC_LIMIT_MACROS
+/// @endcond
+#include <stdint.h>
+
+/*
+ * These define entirely the word width used in the library.
+ */
+
+/**
+ * \brief Pretty for a boolean int.
+ *
+ * The value of a BIT is either 0 or 1.
+ */
+
+typedef int BIT;
+
+/**
+ * \brief Type of row and column indexes.
+ *
+ * This type is used for integer values that hold row/colum sized values.
+ */
+
+typedef int rci_t;
+
+/**
+ * \brief Type of word indexes.
+ *
+ * This type is used for the array of words that make up a row.
+ */
+
+typedef int wi_t;
+
+
+/**
+ * \brief A word is the typical packed data structure to represent packed bits.
+ */
+
+typedef uint64_t word;
+
+/**
+ * \brief Explicit conversion macro.
+ *
+ * Explicit conversion of a word, representing 64 columns, to an integer
+ * to be used as index into an array. This is used for Gray codes.
+ * No error checking is done that the most significant bits in w are zero.
+ *
+ * \note This is a no-op. It's purpose it to track intention.
+ */
+
+#define __M4RI_CONVERT_TO_INT(w) ((int)(w))
+
+/**
+ * \brief Explicit conversion macro.
+ *
+ * Explicit conversion of a word, representing 64 columns, to a BIT
+ * to be used as boolean: this is an int with value 0 (false) or 1 (true).
+ * No error checking is done that only the least significant bit is set (if any).
+ *
+ * \note This is a no-op. It's purpose it to track intention.
+ */
+
+#define __M4RI_CONVERT_TO_BIT(w) ((BIT)(w))
+
+/**
+ * \brief Explicit conversion macro.
+ *
+ * Explicit conversion of a word, representing 64 columns, to an uint64_t.
+ *
+ * The returned value is the underlaying integer representation of these 64 columns,
+ * meaning in particular that if val is an uint64_t then
+ * __M4RI_CONVERT_TO_UINT64_T(__M4RI_CONVERT_TO_WORD(val)) == val.
+ *
+ * \note This is a no-op. It's purpose it to track intention.
+ */
+
+#define __M4RI_CONVERT_TO_UINT64_T(w) (w)
+
+/**
+ * \brief Explicit conversion macro.
+ *
+ * Explicit conversion of an integer to a word.
+ *
+ * \note This is a no-op. It's purpose it to track intention.
+ */
+
+#define __M4RI_CONVERT_TO_WORD(i) ((word)(i))
+
+/**
+ * \brief The number of bits in a word.
+ */
+
+static int const m4ri_radix = 64;
+
+/**
+ * \brief The number one as a word.
+ */
+
+static word const m4ri_one = __M4RI_CONVERT_TO_WORD(1);
+
+/**
+ * \brief A word with all bits set.
+ */
+
+static word const m4ri_ffff = __M4RI_CONVERT_TO_WORD(-1);
+
+/**
+ * \brief Return the maximal element of x and y
+ *
+ * \param x Word
+ * \param y Word
+ */
+
+#ifndef MAX
+#define MAX(x,y) (((x) > (y))?(x):(y))
+#endif
+
+/**
+ * \brief Return the minimal element of x and y
+ *
+ * \param x Word
+ * \param y Word
+ */
+
+#ifndef MIN
+#define MIN(x,y) (((x) < (y))?(x):(y))
+#endif
+
+/**
+ *\brief Pretty for 1.
+ */ 
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+/**
+ *\brief Pretty for 0.
+ */ 
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+/**
+ * \brief $2^i$
+ *
+ * \param i Integer.
+ */ 
+
+#define __M4RI_TWOPOW(i) ((uint64_t)1 << (i))
+
+/**
+ * \brief Clear the bit spot (counting from the left) in the word w
+ * 
+ * \param w Word
+ * \param spot Integer with 0 <= spot < m4ri_radix
+ */
+
+#define __M4RI_CLR_BIT(w, spot) ((w) &= ~(m4ri_one << (spot))
+
+/**
+ * \brief Set the bit spot (counting from the left) in the word w
+ * 
+ * \param w Word
+ * \param spot Integer with 0 <= spot < m4ri_radix
+ */
+
+#define __M4RI_SET_BIT(w, spot) ((w) |= (m4ri_one << (spot)))
+
+/**
+ * \brief Get the bit spot (counting from the left) in the word w
+ * 
+ * \param w Word
+ * \param spot Integer with 0 <= spot < m4ri_radix
+ */
+
+#define __M4RI_GET_BIT(w, spot) __M4RI_CONVERT_TO_BIT(((w) >> (spot)) & m4ri_one)
+
+/**
+ * \brief Write the value to the bit spot in the word w
+ * 
+ * \param w Word.
+ * \param spot Integer with 0 <= spot < m4ri_radix.
+ * \param value Either 0 or 1.
+ */
+
+#define __M4RI_WRITE_BIT(w, spot, value) ((w) = (((w) & ~(m4ri_one << (spot))) | (-__M4RI_CONVERT_TO_WORD(value) & (m4ri_one << (spot)))))
+
+/**
+ * \brief Flip the spot in the word w
+ *
+ * \param w Word.
+ * \param spot Integer with 0 <= spot < m4ri_radix.
+ */
+
+#define __M4RI_FLIP_BIT(w, spot) ((w) ^= (m4ri_one << (spot)))
+
+/**
+* \brief create a bit mask to zero out all but the (n - 1) % m4ri_radix + 1 leftmost bits.
+*
+* This function returns 1..64 bits, never zero bits.
+* This mask is mainly used to mask the valid bits in the most significant word,
+* by using __M4RI_LEFT_BITMASK((M->ncols + M->offset) % m4ri_radix).
+* In other words, the set bits represent the columns with the lowest index in the word.
+*
+*  Thus,
+*
+*  n	Output
+*  0=64 1111111111111111111111111111111111111111111111111111111111111111
+*  1	0000000000000000000000000000000000000000000000000000000000000001
+*  2    0000000000000000000000000000000000000000000000000000000000000011
+*  .                                   ...
+* 62    0011111111111111111111111111111111111111111111111111111111111111
+* 63	0111111111111111111111111111111111111111111111111111111111111111
+*
+* Note that n == 64 is only passed from __M4RI_MIDDLE_BITMASK, and still works
+* (behaves the same as n == 0): the input is modulo 64.
+*
+* \param n Integer with 0 <= n <= m4ri_radix
+*/
+
+#define __M4RI_LEFT_BITMASK(n) (m4ri_ffff >> (m4ri_radix - (n)) % m4ri_radix)
+
+/**
+* \brief create a bit mask to zero out all but the n rightmost bits.
+*
+* This function returns 1..64 bits, never zero bits.
+* This mask is mainly used to mask the n valid bits in the least significant word
+* with valid bits by using __M4RI_RIGHT_BITMASK(m4ri_radix - M->offset).
+* In other words, the set bits represent the columns with the highest index in the word.
+*
+*  Thus,
+*
+*  n	Output
+*  1	1000000000000000000000000000000000000000000000000000000000000000
+*  2    1100000000000000000000000000000000000000000000000000000000000000
+*  3    1110000000000000000000000000000000000000000000000000000000000000
+*  .                                   ...
+* 63	1111111111111111111111111111111111111111111111111111111111111110
+* 64	1111111111111111111111111111111111111111111111111111111111111111
+*
+* Note that n == 0 is never passed and would fail.
+*
+* \param n Integer with 0 < n <= m4ri_radix
+*/
+
+#define __M4RI_RIGHT_BITMASK(n) (m4ri_ffff << (m4ri_radix - (n)))
+
+/**
+* \brief create a bit mask that is the combination of __M4RI_LEFT_BITMASK and __M4RI_RIGHT_BITMASK.
+*
+* This function returns 1..64 bits, never zero bits.
+* This mask is mainly used to mask the n valid bits in the only word with valid bits,
+* when M->ncols + M->offset <= m4ri_radix), by using __M4RI_MIDDLE_BITMASK(M->ncols, M->offset).
+* It is equivalent to __M4RI_LEFT_BITMASK(n + offset) & __M4RI_RIGHT_BITMASK(m4ri_radix - offset).
+* In other words, the set bits represent the valid columns in the word.
+*
+* Note that when n == m4ri_radix (and thus offset == 0) then __M4RI_LEFT_BITMASK is called with n == 64.
+*
+* \param n Integer with 0 < n <= m4ri_radix - offset
+* \param offset Column offset, with 0 <= offset < m4ri_radix
+*/
+
+#define __M4RI_MIDDLE_BITMASK(n, offset) (__M4RI_LEFT_BITMASK(n) << (offset))
+
+/**
+ * \brief swap bits in the word v
+ *
+ * \param v The word whose bits need to be reversed.
+ */
+
+static inline word m4ri_swap_bits(word v) {
+  v = ((v >>  1) & 0x5555555555555555ULL) | ((v & 0x5555555555555555ULL) << 1);
+  v = ((v >>  2) & 0x3333333333333333ULL) | ((v & 0x3333333333333333ULL) << 2);
+  v = ((v >>  4) & 0x0F0F0F0F0F0F0F0FULL) | ((v & 0x0F0F0F0F0F0F0F0FULL) << 4);
+  v = ((v >>  8) & 0x00FF00FF00FF00FFULL) | ((v & 0x00FF00FF00FF00FFULL) << 8);
+  v = ((v >> 16) & 0x0000FFFF0000FFFFULL) | ((v & 0x0000FFFF0000FFFFULL) << 16);
+  v =  (v >> 32)                          |  (v                          << 32);
+  return v;
+}
+
+/**
+ * \brief pack bits (inverse of m4ri_spread_bits)
+ *
+ * \param from bitstring
+ * \param Q array with bit positions
+ * \param length bitsize of the output
+ * \param base subtracted from every value in Q 
+ *
+ * \returns inverse of m4ri_spread_bits)
+ *
+ * \see m4ri_spread_bits
+ */
+
+static inline word m4ri_shrink_bits(word const from, rci_t* const Q, int const length, int const base) {
+  word to = 0;
+  switch(length-1) {
+  case 15: to |= (from & (m4ri_one << (Q[15] - base))) >> (Q[15] - 15 - base);
+  case 14: to |= (from & (m4ri_one << (Q[14] - base))) >> (Q[14] - 14 - base);
+  case 13: to |= (from & (m4ri_one << (Q[13] - base))) >> (Q[13] - 13 - base);
+  case 12: to |= (from & (m4ri_one << (Q[12] - base))) >> (Q[12] - 12 - base);
+  case 11: to |= (from & (m4ri_one << (Q[11] - base))) >> (Q[11] - 11 - base);
+  case 10: to |= (from & (m4ri_one << (Q[10] - base))) >> (Q[10] - 10 - base);
+  case  9: to |= (from & (m4ri_one << (Q[ 9] - base))) >> (Q[ 9] -  9 - base);
+  case  8: to |= (from & (m4ri_one << (Q[ 8] - base))) >> (Q[ 8] -  8 - base);
+  case  7: to |= (from & (m4ri_one << (Q[ 7] - base))) >> (Q[ 7] -  7 - base);
+  case  6: to |= (from & (m4ri_one << (Q[ 6] - base))) >> (Q[ 6] -  6 - base);
+  case  5: to |= (from & (m4ri_one << (Q[ 5] - base))) >> (Q[ 5] -  5 - base);
+  case  4: to |= (from & (m4ri_one << (Q[ 4] - base))) >> (Q[ 4] -  4 - base);
+  case  3: to |= (from & (m4ri_one << (Q[ 3] - base))) >> (Q[ 3] -  3 - base);
+  case  2: to |= (from & (m4ri_one << (Q[ 2] - base))) >> (Q[ 2] -  2 - base); 
+  case  1: to |= (from & (m4ri_one << (Q[ 1] - base))) >> (Q[ 1] -  1 - base);
+  case  0: to |= (from & (m4ri_one << (Q[ 0] - base))) >> (Q[ 0] -  0 - base);
+    break;
+  default:
+    abort();
+  }
+  return to;
+}
+
+/**
+ * \brief spread bits
+ *
+ * Given a bitstring 'from' and a spreading table Q, return a
+ * bitstring where the bits of 'from' are in the positions indicated
+ * by Q.
+ * 
+ * \param from bitstring of length 'length' stored in a word
+ * \param Q table with new bit positions
+ * \param length bitsize of input
+ * \param base subtracted from every value in Q 
+ * 
+ * \returns bitstring having the same bits as from but spread using Q
+ * 
+ * \see m4ri_shrink_bits
+ */
+
+static inline word m4ri_spread_bits(word const from, rci_t* const Q, int const length, int const base) {
+  word to = 0;
+  switch(length-1) {
+  case 15: to |= (from & (m4ri_one << (15))) << (Q[15]-15-base);
+  case 14: to |= (from & (m4ri_one << (14))) << (Q[14]-14-base);
+  case 13: to |= (from & (m4ri_one << (13))) << (Q[13]-13-base);
+  case 12: to |= (from & (m4ri_one << (12))) << (Q[12]-12-base);
+  case 11: to |= (from & (m4ri_one << (11))) << (Q[11]-11-base);
+  case 10: to |= (from & (m4ri_one << (10))) << (Q[10]-10-base);
+  case  9: to |= (from & (m4ri_one << ( 9))) << (Q[ 9]- 9-base);
+  case  8: to |= (from & (m4ri_one << ( 8))) << (Q[ 8]- 8-base);
+  case  7: to |= (from & (m4ri_one << ( 7))) << (Q[ 7]- 7-base);
+  case  6: to |= (from & (m4ri_one << ( 6))) << (Q[ 6]- 6-base);
+  case  5: to |= (from & (m4ri_one << ( 5))) << (Q[ 5]- 5-base);
+  case  4: to |= (from & (m4ri_one << ( 4))) << (Q[ 4]- 4-base);
+  case  3: to |= (from & (m4ri_one << ( 3))) << (Q[ 3]- 3-base);
+  case  2: to |= (from & (m4ri_one << ( 2))) << (Q[ 2]- 2-base);
+  case  1: to |= (from & (m4ri_one << ( 1))) << (Q[ 1]- 1-base);
+  case  0: to |= (from & (m4ri_one << ( 0))) << (Q[ 0]- 0-base);
+    break;
+  default:
+    abort();
+  }
+  return to;
+}
+
+/**
+ * \brief Return alignment of addr w.r.t. n. For example the address
+ * 17 would be 1 aligned w.r.t. 16.
+ *
+ * \param addr
+ * \param n
+ */
+
+#define __M4RI_ALIGNMENT(addr, n) (((unsigned long)(addr))%(n))
+
+/**
+ * \brief Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc
+ *
+ * \param maj The major version.
+ * \param min The minor version.
+ * \return TRUE iff we are using a GNU compile of at least version maj.min.
+ */
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+#define __M4RI_GNUC_PREREQ(maj, min) ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+#define __M4RI_GNUC_PREREQ(maj, min) FALSE
+#endif
+
+/* __builtin_expect is in gcc 3.0, and not in 2.95. */
+#if __M4RI_GNUC_PREREQ(3,0) || defined(M4RI_DOXYGEN)
+
+/**
+ * \brief Macro to help with branch prediction.
+ */
+
+#define __M4RI_LIKELY(cond)    __builtin_expect ((cond) != 0, 1)
+
+/**
+ * \brief Macro to help with branch prediction.
+ */
+
+#define __M4RI_UNLIKELY(cond)  __builtin_expect ((cond) != 0, 0)
+
+#else
+#define __M4RI_LIKELY(cond)    (cond)
+#define __M4RI_UNLIKELY(cond)  (cond)
+#endif
+
+/**
+ * Return true if a's least significant bit is smaller than b's least significant bit.
+ *
+ * return true if LSBI(a) < LSBI(b),
+ * where LSBI(w) is the index of the least significant bit that is set in w, or 64 if w is zero.
+ *
+ * \param a Word
+ * \param b Word
+ */
+
+static inline int m4ri_lesser_LSB(word a, word b)
+{
+  uint64_t const ia = __M4RI_CONVERT_TO_UINT64_T(a);
+  uint64_t const ib = __M4RI_CONVERT_TO_UINT64_T(b);
+  /*
+   * If a is zero then we should always return false, otherwise
+   * if b is zero we should return true iff a has at least one bit set.
+   */
+  return !(ib ? ((ia - 1) ^ ia) & ib : !ia);
+}
+
+
+/**** Error Handling *****/
+
+/**
+ * \brief Print error message and abort(). 
+ * 
+ * The function accepts additional
+ * parameters like printf, so e.g. m4ri_die("foo %d bar %f\n",1 ,2.0)
+ * is valid and will print the string "foo 1 bar 2.0" before dying.
+ *
+ * \param errormessage a string to be printed.
+ *
+ * \todo Allow user to register callback which is called on
+ * m4ri_die().
+ *
+ * \warning The provided string is not free'd.
+ */
+
+void m4ri_die(const char *errormessage, ...);
+
+/**** IO *****/
+
+/**
+ * \brief Write a sting representing the word data to destination. 
+ * 
+ * \param destination Address of buffer of length at least m4ri_radix*1.3
+ * \param data Source word
+ * \param colon Insert a Colon after every 4-th bit. 
+ * \warning Assumes destination has m4ri_radix*1.3 bytes available 
+ */
+void m4ri_word_to_str( char *destination, word data, int colon);
+
+/**
+ * \brief Return 1 or 0 uniformly randomly distributed.
+ *
+ * \todo Allow user to provide her own random() function.
+ */
+
+static inline BIT m4ri_coin_flip() {
+  if (rand() < RAND_MAX/2) {
+    return 0;
+  }  else {
+    return 1;
+  }
+}
+
+/**
+ * \brief Return uniformly randomly distributed random word.
+ *
+ * \todo Allow user to provide her own random() function.
+ */
+
+word m4ri_random_word();
+
+/***** Initialization *****/
+
+/**
+ * \brief Initialize global data structures for the M4RI library.
+ *
+ * On Linux/Solaris this is called automatically when the shared
+ * library is loaded, but it doesn't harm if it is called twice.
+ */
+
+#if defined(__GNUC__)
+void __attribute__ ((constructor)) m4ri_init(void);
+#else
+void m4ri_init(void);
+#endif
+
+#ifdef __SUNPRO_C
+#pragma init(m4ri_init)
+#endif
+
+/**
+ * \brief De-initialize global data structures from the M4RI library. 
+ *
+ * On Linux/Solaris this is called automatically when the shared
+ * library is unloaded, but it doesn't harm if it is called twice.
+ */
+
+#if defined(__GNUC__)
+void __attribute__ ((destructor)) m4ri_fini(void);
+#else
+void m4ri_fini(void);
+#endif
+
+#ifdef __SUNPRO_C
+#pragma fini(m4ri_fini)
+#endif
+
+/***** Memory Management *****/
+
+/// @cond INTERNAL
+
+#if __M4RI_CPU_L3_CACHE == 0
+/*
+ * Fix some standard value for L3 cache size if it couldn't be
+ * determined by configure.
+ */
+
+#undef __M4RI_CPU_L3_CACHE
+#if __M4RI_CPU_L2_CACHE
+#define __M4RI_CPU_L3_CACHE __M4RI_CPU_L2_CACHE
+#else
+#define __M4RI_CPU_L3_CACHE 4194304
+#endif // __M4RI_CPU_L2_CACHE
+#endif // __M4RI_CPU_L3_CACHE
+
+#if __M4RI_CPU_L2_CACHE == 0
+/*
+ * Fix some standard value for L2 cache size if it couldn't be
+ * determined by configure.
+ */
+#undef __M4RI_CPU_L2_CACHE
+#define __M4RI_CPU_L2_CACHE 262144
+#endif // __M4RI_CPU_L2_CACHE
+
+
+#if __M4RI_CPU_L1_CACHE == 0
+/*
+ * Fix some standard value for L1 cache size if it couldn't be
+ * determined by configure.
+ */
+#undef __M4RI_CPU_L1_CACHE
+#define __M4RI_CPU_L1_CACHE 16384
+#endif // __M4RI_CPU_L1_CACHE
+
+/// @endcond
+
+/**
+ * \brief Calloc wrapper.
+ *
+ * \param count Number of elements.
+ * \param size Size of each element.
+ *
+ * \return pointer to allocated memory block.
+ *
+ * \todo Allow user to register calloc function.
+ */
+
+static inline void *m4ri_mm_calloc(size_t count, size_t size) {
+  void *newthing;
+#if __M4RI_USE_MM_MALLOC
+  newthing = _mm_malloc(count * size, 64);
+#elif __M4RI_USE_POSIX_MEMALIGN
+  int error = posix_memalign(&newthing, 64, count * size);
+  if (error) newthing = NULL;
+#else
+  newthing = calloc(count, size);
+#endif
+
+  if (newthing == NULL) {
+    m4ri_die("m4ri_mm_calloc: calloc returned NULL\n");
+    return NULL; /* unreachable. */
+  }
+#if __M4RI_USE_MM_MALLOC || __M4RI_USE_POSIX_MEMALIGN
+  char *b = (char*)newthing;
+  memset(b, 0, count * size);
+#endif
+  return newthing;
+}
+
+/**
+ * \brief Aligned malloc wrapper.
+ *
+ * This function will attempt to align memory, but does not guarantee
+ * success in case neither _mm_malloc nor posix_memalign are available.
+ *
+ * \param size Size in bytes.
+ * \param alignment Alignment (16,64,...).
+ *
+ * \return pointer to allocated memory block.
+ *
+ * \todo Allow user to register malloc function.
+ */
+
+static inline void *m4ri_mm_malloc_aligned(size_t size, size_t alignment) {
+  void *newthing;
+
+#if __M4RI_USE_MM_MALLOC
+  newthing = _mm_malloc(size, alignment);
+#elif __M4RI_USE_POSIX_MEMALIGN
+  int error = posix_memalign(&newthing, alignment, size);
+  if (error)
+    newthing = NULL;
+#else
+  newthing = malloc(size);
+#endif
+
+ if (newthing==NULL && (size>0)) {
+   m4ri_die("m4ri_mm_malloc: malloc returned NULL\n");
+   return NULL; /* unreachable */
+ }
+ else return newthing;
+}
+
+/**
+ * \brief Malloc wrapper.
+ *
+ * \param size Size in bytes.
+ *
+ * \return pointer to allocated memory block.
+ *
+ * \todo Allow user to register malloc function.
+ */
+
+static inline void *m4ri_mm_malloc(size_t size) {
+  void *newthing;
+#if __M4RI_USE_MM_MALLOC
+    newthing = _mm_malloc(size, 64);
+#elif __M4RI_USE_POSIX_MEMALIGN
+    int error = posix_memalign(&newthing, 64, size);
+    if (error) newthing = NULL;
+#else
+    newthing = malloc(size);
+#endif //__M4RI_USE_MM_MALLOC
+  if (newthing==NULL && (size>0)) {
+    m4ri_die("m4ri_mm_malloc: malloc returned NULL\n");
+    return NULL; /* unreachable */
+  }
+  else return newthing;
+}
+
+
+/**
+ * \brief Free wrapper.
+ *
+ * \param condemned Pointer.
+ *
+ * \todo Allow user to register free function.
+ */
+
+/* void m4ri_mm_free(void *condemned, ...); */
+static inline void m4ri_mm_free(void *condemned, ...) { 
+#if __M4RI_USE_MM_MALLOC
+    _mm_free(condemned);
+#else
+    free(condemned);
+#endif
+}
+
+/// @cond INTERNAL
+
+/*
+ * MSVC does not understand the restrict keyword 
+ */
+
+#if defined (__GNUC__)
+#define RESTRICT __restrict__
+#else
+#define RESTRICT
+#endif
+
+
+
+/*
+ * Macros for template expansion.
+ */
+
+#define __M4RI_TEMPLATE_EXPAND0(x,y) x ## _ ## y
+#define __M4RI_TEMPLATE_EXPAND1(x,y) __M4RI_TEMPLATE_EXPAND0(x,y)
+#define __M4RI_TEMPLATE_NAME(fun) __M4RI_TEMPLATE_EXPAND1(fun, N)
+
+//// @endcond
+
+#endif // M4RI_MISC_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.lo
new file mode 100644
index 0000000..acd4c0c
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.lo
@@ -0,0 +1,12 @@
+# m4ri/misc.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/misc.o'
+
+# Name of the non-PIC object
+non_pic_object='misc.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.o
new file mode 100644
index 0000000..1d3ef59
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/misc.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.c
new file mode 100644
index 0000000..72d3257
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.c
@@ -0,0 +1,142 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+*    Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "mmc.h"
+
+#ifdef __M4RI_ENABLE_MMC
+/**
+ * The actual memory block cache.
+ */
+mmb_t m4ri_mmc_cache[__M4RI_MMC_NBLOCKS];
+#endif // __M4RI_ENABLE_MMC
+
+/**
+ * \brief Allocate size bytes.
+ *
+ * \param size Number of bytes.
+ *
+ * \return pointer to allocated memory block.
+ */
+void *m4ri_mmc_malloc(size_t size) {
+
+#ifdef __M4RI_ENABLE_MMC
+  void *ret = NULL;
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp critical (mmc)
+  {
+#endif
+    mmb_t *mm = m4ri_mmc_cache;
+    if (size <= __M4RI_MMC_THRESHOLD) {
+      for (int i = 0; i < __M4RI_MMC_NBLOCKS; ++i) {
+        if(mm[i].size == size) {
+          ret = mm[i].data;
+          mm[i].data = NULL;
+          mm[i].size = 0;
+          break;
+        }
+      }
+    }
+#if __M4RI_HAVE_OPENMP
+  }
+#endif
+  if (ret)
+    return ret;
+  else
+    return m4ri_mm_malloc(size);
+
+#else // __M4RI_ENABLE_MMC
+
+ return m4ri_mm_malloc(size);
+
+#endif // __M4RI_ENABLE_MMC
+}
+
+/**
+ * \brief Free the data pointed to by condemned of the given size.
+ *
+ * \param condemned Pointer to memory.
+ * \param size Number of bytes.
+ */
+void m4ri_mmc_free(void *condemned, size_t size) {
+#ifdef __M4RI_ENABLE_MMC
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp critical (mmc)
+  {
+#endif
+    static int j = 0;
+    mmb_t *mm = m4ri_mmc_cache;
+    if (size < __M4RI_MMC_THRESHOLD) {
+      for(int i = 0; i < __M4RI_MMC_NBLOCKS; ++i) {
+        if(mm[i].size == 0) {
+          mm[i].size = size;
+          mm[i].data = condemned;
+          goto done;
+        }
+      }
+      m4ri_mm_free(mm[j].data);
+      mm[j].size = size;
+      mm[j].data = condemned;
+      j = (j+1) % __M4RI_MMC_NBLOCKS;
+    } else {
+      m4ri_mm_free(condemned);
+    }
+  done:
+    ;
+#if __M4RI_HAVE_OPENMP
+  }
+#endif // __M4RI_HAVE_OPENMP
+#else // __M4RI_ENABLE_MMC
+  m4ri_mm_free(condemned);
+#endif // __M4RI_ENABLE_MMC
+}
+
+/**
+ * \brief Cleans up memory block cache.
+
+ *
+ * This function is called automatically when the shared library is unloaded.
+ *
+ * \warning Not thread safe.
+ */
+void m4ri_mmc_cleanup(void) {
+#ifdef __M4RI_ENABLE_MMC
+
+#if __M4RI_HAVE_OPENMP
+#pragma omp critical (mmc)
+ {
+ #endif
+    mmb_t *mm = m4ri_mmc_cache;
+    for(int i = 0; i < __M4RI_MMC_NBLOCKS; ++i) {
+      if (mm[i].size)
+        m4ri_mm_free(mm[i].data);
+      mm[i].size = 0;
+    }
+#if __M4RI_HAVE_OPENMP
+  }
+#endif // __M4RI_HAVE_OPENMP
+#endif // __M4RI_ENABLE_MMC
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.h
new file mode 100644
index 0000000..1b14ca2
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.h
@@ -0,0 +1,85 @@
+/**
+ * \file mmc.h
+ * \brief The mmc memory management functions check a cache for re-usable unused memory before asking the system for it.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ */
+
+#ifndef M4RI_MMC_H
+#define M4RI_MMC_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+*    Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/misc.h>
+
+void *m4ri_mmc_malloc(size_t size);
+void m4ri_mmc_free(void *condemned, size_t size);
+void m4ri_mmc_cleanup(void);
+
+/**
+ * \brief Enable memory block cache (default: enabled).
+ */
+#define __M4RI_ENABLE_MMC
+
+/**
+ * \brief Number of blocks that are cached.
+ */
+#define __M4RI_MMC_NBLOCKS 16
+
+/**
+ * \brief Maximal size of blocks stored in cache.
+ */
+#define __M4RI_MMC_THRESHOLD __M4RI_CPU_L3_CACHE
+
+/**
+ * \brief Tuple of pointer to allocated memory block and it's size.
+ */
+typedef struct _mm_block {
+  /**
+   * Size in bytes of the data.
+   */
+  size_t size;
+
+  /**
+   * Pointer to buffer of data.
+   */
+  void *data;
+
+} mmb_t;
+
+/**
+ * \brief Allocate an array of count times size zeroed bytes.
+ *
+ * \param count Number of elements.
+ * \param size Number of bytes per element.
+ *
+ * \return Pointer to allocated memory block.
+ */
+static inline void *m4ri_mmc_calloc(size_t count, size_t size) {
+  size_t total_size = count * size;
+  void *ret = m4ri_mmc_malloc(total_size);
+  memset((char*)ret, 0, total_size);
+  return ret;
+}
+
+#endif // M4RI_MMC_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.lo
new file mode 100644
index 0000000..ff4ef18
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.lo
@@ -0,0 +1,12 @@
+# m4ri/mmc.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/mmc.o'
+
+# Name of the non-PIC object
+non_pic_object='mmc.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.o
new file mode 100644
index 0000000..b9b4888
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/mmc.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.c
new file mode 100644
index 0000000..7996cdd
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.c
@@ -0,0 +1,329 @@
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2014 Martin Albrecht <martinralbrecht@googlemail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include "m4ri_config.h"
+#include "misc.h"
+#include "mp.h"
+#include "brilliantrussian.h"
+#include "strassen.h"
+
+#if __M4RI_HAVE_OPENMP
+
+#ifndef MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#include <omp.h>
+
+// Returns true if a is closer to cutoff than a/2.
+static inline int closer(rci_t a, int cutoff) {
+  return 3 * a < 4 * cutoff;
+}
+
+
+mzd_t *_mzd_addmul_mp4(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  /**
+   * \todo make sure not to overwrite crap after ncols and before width * m4ri_radix
+   */
+  rci_t a = A->nrows;
+  rci_t b = A->ncols;
+  rci_t c = B->ncols;
+  /* handle case first, where the input matrices are too small already */
+  if (closer(A->nrows, cutoff) || closer(A->ncols, cutoff) || closer(B->ncols, cutoff)) {
+    /* we copy the matrix first since it is only constant memory
+       overhead and improves data locality, if you remove it make sure
+       there are no speed regressions */
+    /* C = _mzd_mul_m4rm(C, A, B, 0, TRUE); */
+    mzd_t *Cbar = mzd_init(C->nrows, C->ncols);
+    Cbar = _mzd_mul_m4rm(Cbar, A, B, 0, FALSE);
+    mzd_add(C, C, Cbar);
+    mzd_free(Cbar);
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+  {
+    rci_t mult = 2 * m4ri_radix;
+    a -= a % mult;
+    b -= b % mult;
+    c -= c % mult;
+  }
+
+  rci_t anr = ((a / m4ri_radix) >> 1) * m4ri_radix;
+  rci_t anc = ((b / m4ri_radix) >> 1) * m4ri_radix;
+  rci_t bnr = anc;
+  rci_t bnc = ((c / m4ri_radix) >> 1) * m4ri_radix;
+
+  mzd_t const *A00 = mzd_init_window_const(A,   0,   0,   anr,   anc);
+  mzd_t const *A01 = mzd_init_window_const(A,   0, anc,   anr, 2*anc);
+  mzd_t const *A10 = mzd_init_window_const(A, anr,   0, 2*anr,   anc);
+  mzd_t const *A11 = mzd_init_window_const(A, anr, anc, 2*anr, 2*anc);
+
+  mzd_t const *B00 = mzd_init_window_const(B,   0,   0,   bnr,   bnc);
+  mzd_t const *B01 = mzd_init_window_const(B,   0, bnc,   bnr, 2*bnc);
+  mzd_t const *B10 = mzd_init_window_const(B, bnr,   0, 2*bnr,   bnc);
+  mzd_t const *B11 = mzd_init_window_const(B, bnr, bnc, 2*bnr, 2*bnc);
+
+  mzd_t *C00 = mzd_init_window(C,   0,   0,   anr,   bnc);
+  mzd_t *C01 = mzd_init_window(C,   0, bnc,   anr, 2*bnc);
+  mzd_t *C10 = mzd_init_window(C, anr,   0, 2*anr,   bnc);
+  mzd_t *C11 = mzd_init_window(C, anr, bnc, 2*anr, 2*bnc);
+
+#pragma omp parallel sections
+  {
+#pragma omp section
+    {
+      _mzd_addmul_even(C00, A00, B00, cutoff);
+      _mzd_addmul_even(C00, A01, B10, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_addmul_even(C01, A00, B01, cutoff);
+      _mzd_addmul_even(C01, A01, B11, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_addmul_even(C10, A10, B00, cutoff);
+      _mzd_addmul_even(C10, A11, B10, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_addmul_even(C11, A10, B01, cutoff);
+      _mzd_addmul_even(C11, A11, B11, cutoff);
+    }
+  }
+
+  /* deal with rest */
+  if (B->ncols > 2 * bnc) {
+    mzd_t const *B_last_col = mzd_init_window_const(B, 0, 2*bnc, A->ncols, B->ncols);
+    mzd_t *C_last_col = mzd_init_window(C, 0, 2*bnc, A->nrows, C->ncols);
+    mzd_addmul_m4rm(C_last_col, A, B_last_col, 0);
+    mzd_free_window((mzd_t*)B_last_col);
+    mzd_free_window(C_last_col);
+  }
+  if (A->nrows > 2 * anr) {
+    mzd_t const *A_last_row = mzd_init_window_const(A, 2*anr, 0, A->nrows, A->ncols);
+    mzd_t const *B_bulk = mzd_init_window_const(B, 0, 0, B->nrows, 2*bnc);
+    mzd_t *C_last_row = mzd_init_window(C, 2*anr, 0, C->nrows, 2*bnc);
+    mzd_addmul_m4rm(C_last_row, A_last_row, B_bulk, 0);
+    mzd_free_window((mzd_t*)A_last_row);
+    mzd_free_window((mzd_t*)B_bulk);
+    mzd_free_window(C_last_row);
+  }
+  if (A->ncols > 2 * anc) {
+    mzd_t const *A_last_col = mzd_init_window_const(A,     0, 2*anc, 2*anr, A->ncols);
+    mzd_t const *B_last_row = mzd_init_window_const(B, 2*bnr,     0, B->nrows, 2*bnc);
+    mzd_t *C_bulk = mzd_init_window(C, 0, 0, 2*anr, 2*bnc);
+    mzd_addmul_m4rm(C_bulk, A_last_col, B_last_row, 0);
+    mzd_free_window((mzd_t*)A_last_col);
+    mzd_free_window((mzd_t*)B_last_row);
+    mzd_free_window(C_bulk);
+  }
+
+  /* clean up */
+  mzd_free_window((mzd_t*)A00); mzd_free_window((mzd_t*)A01);
+  mzd_free_window((mzd_t*)A10); mzd_free_window((mzd_t*)A11);
+
+  mzd_free_window((mzd_t*)B00); mzd_free_window((mzd_t*)B01);
+  mzd_free_window((mzd_t*)B10); mzd_free_window((mzd_t*)B11);
+
+  mzd_free_window(C00); mzd_free_window(C01);
+  mzd_free_window(C10); mzd_free_window(C11);
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *_mzd_mul_mp4(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  /**
+   * \todo make sure not to overwrite crap after ncols and before width * m4ri_radix
+   */
+  rci_t a = A->nrows;
+  rci_t b = A->ncols;
+  rci_t c = B->ncols;
+  /* handle case first, where the input matrices are too small already */
+  if (closer(A->nrows, cutoff) || closer(A->ncols, cutoff) || closer(B->ncols, cutoff)) {
+    /* we copy the matrix first since it is only constant memory
+       overhead and improves data locality, if you remove it make sure
+       there are no speed regressions */
+    /* C = _mzd_mul_m4rm(C, A, B, 0, TRUE); */
+    mzd_t *Cbar = mzd_init(C->nrows, C->ncols);
+    Cbar = _mzd_mul_m4rm(Cbar, A, B, 0, FALSE);
+    mzd_copy(C, Cbar);
+    mzd_free(Cbar);
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+  {
+    rci_t mult = 2 * m4ri_radix;
+    a -= a % mult;
+    b -= b % mult;
+    c -= c % mult;
+  }
+
+  rci_t anr = ((a / m4ri_radix) >> 1) * m4ri_radix;
+  rci_t anc = ((b / m4ri_radix) >> 1) * m4ri_radix;
+  rci_t bnr = anc;
+  rci_t bnc = ((c / m4ri_radix) >> 1) * m4ri_radix;
+
+  mzd_t const *A00 = mzd_init_window_const(A,   0,   0,   anr,   anc);
+  mzd_t const *A01 = mzd_init_window_const(A,   0, anc,   anr, 2*anc);
+  mzd_t const *A10 = mzd_init_window_const(A, anr,   0, 2*anr,   anc);
+  mzd_t const *A11 = mzd_init_window_const(A, anr, anc, 2*anr, 2*anc);
+
+  mzd_t const *B00 = mzd_init_window_const(B,   0,   0,   bnr,   bnc);
+  mzd_t const *B01 = mzd_init_window_const(B,   0, bnc,   bnr, 2*bnc);
+  mzd_t const *B10 = mzd_init_window_const(B, bnr,   0, 2*bnr,   bnc);
+  mzd_t const *B11 = mzd_init_window_const(B, bnr, bnc, 2*bnr, 2*bnc);
+
+  mzd_t *C00 = mzd_init_window(C,   0,   0,   anr,   bnc);
+  mzd_t *C01 = mzd_init_window(C,   0, bnc,   anr, 2*bnc);
+  mzd_t *C10 = mzd_init_window(C, anr,   0, 2*anr,   bnc);
+  mzd_t *C11 = mzd_init_window(C, anr, bnc, 2*anr, 2*bnc);
+
+#pragma omp parallel sections
+  {
+#pragma omp section
+    {
+      _mzd_mul_even(C00, A00, B00, cutoff);
+      _mzd_addmul_even(C00, A01, B10, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_mul_even(C01, A00, B01, cutoff);
+      _mzd_addmul_even(C01, A01, B11, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_mul_even(C10, A10, B00, cutoff);
+      _mzd_addmul_even(C10, A11, B10, cutoff);
+    }
+#pragma omp section
+    {
+      _mzd_mul_even(C11, A10, B01, cutoff);
+      _mzd_addmul_even(C11, A11, B11, cutoff);
+    }
+  }
+
+  /* deal with rest */
+  if (B->ncols > 2 * bnc) {
+    mzd_t const *B_last_col = mzd_init_window_const(B, 0, 2*bnc, A->ncols, B->ncols);
+    mzd_t *C_last_col = mzd_init_window(C, 0, 2*bnc, A->nrows, C->ncols);
+    mzd_addmul_m4rm(C_last_col, A, B_last_col, 0);
+    mzd_free_window((mzd_t*)B_last_col);
+    mzd_free_window(C_last_col);
+  }
+  if (A->nrows > 2 * anr) {
+    mzd_t const *A_last_row = mzd_init_window_const(A, 2*anr, 0, A->nrows, A->ncols);
+    mzd_t const *B_bulk = mzd_init_window_const(B, 0, 0, B->nrows, 2*bnc);
+    mzd_t *C_last_row = mzd_init_window(C, 2*anr, 0, C->nrows, 2*bnc);
+    mzd_addmul_m4rm(C_last_row, A_last_row, B_bulk, 0);
+    mzd_free_window((mzd_t*)A_last_row);
+    mzd_free_window((mzd_t*)B_bulk);
+    mzd_free_window(C_last_row);
+  }
+  if (A->ncols > 2 * anc) {
+    mzd_t const *A_last_col = mzd_init_window_const(A,     0, 2*anc, 2*anr, A->ncols);
+    mzd_t const *B_last_row = mzd_init_window_const(B, 2*bnr,     0, B->nrows, 2*bnc);
+    mzd_t *C_bulk = mzd_init_window(C, 0, 0, 2*anr, 2*bnc);
+    mzd_addmul_m4rm(C_bulk, A_last_col, B_last_row, 0);
+    mzd_free_window((mzd_t*)A_last_col);
+    mzd_free_window((mzd_t*)B_last_row);
+    mzd_free_window(C_bulk);
+  }
+
+  /* clean up */
+  mzd_free_window((mzd_t*)A00); mzd_free_window((mzd_t*)A01);
+  mzd_free_window((mzd_t*)A10); mzd_free_window((mzd_t*)A11);
+
+  mzd_free_window((mzd_t*)B00); mzd_free_window((mzd_t*)B01);
+  mzd_free_window((mzd_t*)B10); mzd_free_window((mzd_t*)B11);
+
+  mzd_free_window(C00); mzd_free_window(C01);
+  mzd_free_window(C10); mzd_free_window(C11);
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *mzd_mul_mp(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_mul_mp: A ncols (%d) need to match B nrows (%d).\n", A->ncols, B->nrows);
+
+  if (cutoff < 0)
+    m4ri_die("mzd_mul_mp: cutoff must be >= 0.\n");
+
+  if(cutoff == 0) {
+    cutoff = __M4RI_STRASSEN_MUL_CUTOFF;
+  }
+
+  cutoff = cutoff / m4ri_radix * m4ri_radix;
+  if (cutoff < m4ri_radix) {
+    cutoff = m4ri_radix;
+  };
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows, B->ncols);
+  } else if (C->nrows != A->nrows || C->ncols != B->ncols){
+    m4ri_die("mzd_mul_mp: C (%d x %d) has wrong dimensions, expected (%d x %d)\n",
+	     C->nrows, C->ncols, A->nrows, B->ncols);
+  }
+
+  _mzd_mul_mp4(C, A, B, cutoff);
+  return C;
+}
+
+
+mzd_t *mzd_addmul_mp(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_addmul_mp: A ncols (%d) need to match B nrows (%d).\n", A->ncols, B->nrows);
+
+  if (cutoff < 0)
+    m4ri_die("mzd_addmul_mp: cutoff must be >= 0.\n");
+
+  if(cutoff == 0) {
+    cutoff = __M4RI_STRASSEN_MUL_CUTOFF;
+  }
+
+  cutoff = cutoff / m4ri_radix * m4ri_radix;
+  if (cutoff < m4ri_radix) {
+    cutoff = m4ri_radix;
+  };
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows, B->ncols);
+  } else if (C->nrows != A->nrows || C->ncols != B->ncols){
+    m4ri_die("mzd_addmul_mp: C (%d x %d) has wrong dimensions, expected (%d x %d)\n",
+	     C->nrows, C->ncols, A->nrows, B->ncols);
+  }
+  if(A->nrows == 0 || A->ncols == 0 || B->ncols == 0) {
+    __M4RI_DD_MZD(C);
+    return C;
+  }
+
+  C = _mzd_addmul_mp4(C, A, B, cutoff);
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+
+#endif //__M4RI_HAVE_OPENMP
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.h
new file mode 100644
index 0000000..21c7429
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.h
@@ -0,0 +1,89 @@
+/**
+ * \file mp.h
+ *
+ * \brief multicore matrix operations 
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ */
+
+#ifndef M4RI_MP_H
+#define M4RI_MP_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2014 Martin Albrecht <martinralbrecht@googlemail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Matrix multiplication via the cubic multiplication algorithm on
+ * multiple cores, i.e. compute C = AB.
+ * 
+ * This is the wrapper function including bounds checks. See _mzd_mul_mp4 for
+ * implementation details.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for recursion.
+ */
+
+mzd_t *mzd_mul_mp(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication and in-place addition via the cubic matrix
+ * multiplication algorithm on multiple cores, i.e. compute C = C+ AB.
+ * 
+ * This is the wrapper function including bounds checks. See _mzd_addmul_mp4 for
+ * implementation details.
+ *
+ * \param C product matrix
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for recursion.
+ */
+
+mzd_t *mzd_addmul_mp(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+
+/**
+ * \brief Matrix multiplication and in-place addition via cubic matrix
+ *  multiplication algorithm on up to four cores, i.e. compute C = C+ AB.
+ * 
+ * \param C Product matrix
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for recursion.
+ */
+
+mzd_t *_mzd_addmul_mp4(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication via cubic matrix multiplication algorithm on up
+ *  to four cores, i.e. compute C = C+ AB.
+ * 
+ * \param C Product matrix
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for recursion.
+ */
+
+mzd_t *_mzd_mul_mp4(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+#endif //__M4RI_HAVE_OPENMP
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.lo
new file mode 100644
index 0000000..aea9551
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.lo
@@ -0,0 +1,12 @@
+# m4ri/mp.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/mp.o'
+
+# Name of the non-PIC object
+non_pic_object='mp.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.o
new file mode 100644
index 0000000..a2b4342
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/mp.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.c
new file mode 100644
index 0000000..0622058
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.c
@@ -0,0 +1,2246 @@
+/******************************************************************************
+*
+*            M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007 Gregory Bard <gregory.bard@ieee.org> 
+*    Copyright (C) 2009-2013 Martin Albrecht <martinralbrecht+m4ri@googlemail.com>
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef __M4RI_HAVE_LIBPNG
+#include <png.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include "mzd.h"
+#include "parity.h"
+#include "mmc.h"
+
+
+/**
+ * \brief Cache of mzd_t containers
+ */
+
+typedef struct mzd_t_cache {
+  mzd_t mzd[64]; /*!< cached matrices */
+  struct mzd_t_cache *prev; /*!< previous block */
+  struct mzd_t_cache *next; /*!< next block */
+  uint64_t used; /*!< bitmasks which matrices in this block are used */
+  unsigned char padding[sizeof(mzd_t) - 2 * sizeof(struct mzd_t_cache*) - sizeof(uint64_t)]; /*!< alignment */
+#ifdef __GNUC__
+} mzd_t_cache_t __attribute__ ((__aligned__ (64)));
+#else
+} mzd_t_cache_t;
+#endif
+
+#define __M4RI_MZD_T_CACHE_MAX 16
+static mzd_t_cache_t mzd_cache;
+static mzd_t_cache_t* current_cache = &mzd_cache;
+
+static int log2_floor(uint64_t v) {
+  static uint64_t const b[] = { 0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000, 0xFFFFFFFF00000000 };
+  static unsigned int const S[] = { 1, 2, 4, 8, 16, 32 };
+  unsigned int r = 0;
+  for (int i = 5; i >= 0; --i)
+  {
+    if ((v & b[i]))
+    {
+      v >>= S[i];
+      r |= S[i];
+    }
+  }
+  return r;
+}
+
+/*
+ * Return a pointer to a new mzd_t structure.
+ * The structure will be 64 byte aligned.
+ * Call mzd_t_free to free the structure for next use.
+ */
+
+static mzd_t* mzd_t_malloc() {
+#if __M4RI_HAVE_OPENMP
+  return (mzd_t*)m4ri_mm_malloc(sizeof(mzd_t));
+#else
+  mzd_t *ret = NULL;
+  int i=0;
+
+  if (current_cache->used == (uint64_t)-1) {
+    mzd_t_cache_t *cache = &mzd_cache;
+    while (cache && cache->used == (uint64_t)-1) {
+      current_cache = cache;
+      cache = cache->next;
+      i++;
+    }
+    if (!cache && i< __M4RI_MZD_T_CACHE_MAX) {
+      cache = (mzd_t_cache_t*)m4ri_mm_malloc_aligned(sizeof(mzd_t_cache_t), 64);
+      memset((char*)cache, 0, sizeof(mzd_t_cache_t));
+
+      cache->prev = current_cache;
+      current_cache->next = cache;
+      current_cache = cache;
+    } else if (!cache && i>= __M4RI_MZD_T_CACHE_MAX) {
+      /* We have reached the upper limit on the number of caches */
+      ret = (mzd_t*)m4ri_mm_malloc(sizeof(mzd_t));
+    } else {
+      current_cache = cache;
+    }
+  }
+  if (ret == NULL) {
+    int free_entry =log2_floor(~current_cache->used);
+    current_cache->used |= ((uint64_t)1 << free_entry);
+    ret = &current_cache->mzd[free_entry];
+  }
+  return ret;
+#endif //__M4RI_HAVE_OPENMP
+
+}
+
+static void mzd_t_free(mzd_t *M) {
+#if __M4RI_HAVE_OPENMP
+  m4ri_mm_free(M);
+#else
+  int foundit = 0;
+  mzd_t_cache_t *cache = &mzd_cache;
+  while(cache) {
+    size_t entry = M - cache->mzd;
+    if (entry < 64) {
+      cache->used &= ~((uint64_t)1 << entry);
+      if (cache->used == 0) {
+        if (cache == &mzd_cache) {
+          current_cache = cache;
+        } else {
+          if (cache == current_cache) {
+            current_cache = cache->prev;
+          }
+          cache->prev->next = cache->next;
+          if (cache->next)
+            cache->next->prev = cache->prev;
+          m4ri_mm_free(cache);
+        }
+      }
+      foundit = 1;
+      break;
+    }
+    cache = cache->next;
+  }
+  if(!foundit) {
+    m4ri_mm_free(M);
+  }
+#endif
+}
+
+mzd_t *mzd_init(rci_t r, rci_t c) {
+  assert(sizeof(mzd_t) == 64);
+
+  mzd_t *A = mzd_t_malloc();
+
+  A->nrows = r;
+  A->ncols = c;
+  A->width = (c + m4ri_radix - 1) / m4ri_radix;
+  A->rowstride = (A->width < mzd_paddingwidth || (A->width & 1) == 0) ? A->width : A->width + 1;
+  A->high_bitmask = __M4RI_LEFT_BITMASK(c % m4ri_radix);
+  A->flags = (A->high_bitmask != m4ri_ffff) ? mzd_flag_nonzero_excess : 0;
+  A->offset_vector = 0;
+  A->row_offset = 0;
+
+  A->rows = (word**)m4ri_mmc_calloc(r + 1, sizeof(word*)); // We're overcomitting here.
+
+  if (r && c) {
+    int blockrows = __M4RI_MAX_MZD_BLOCKSIZE / A->rowstride;
+    A->blockrows_log = 0;
+    while(blockrows >>= 1)
+      A->blockrows_log++;
+    blockrows = 1 << A->blockrows_log;
+
+    int const blockrows_mask = blockrows - 1;
+    int const nblocks = (r + blockrows - 1) / blockrows;
+    A->flags |= (nblocks > 1) ? mzd_flag_multiple_blocks : 0;
+    A->blocks = (mzd_block_t*)m4ri_mmc_calloc(nblocks + 1, sizeof(mzd_block_t));
+
+    size_t block_words = (r - (nblocks - 1) * blockrows) * A->rowstride;
+    for(int i = nblocks - 1; i >= 0; --i) {
+      A->blocks[i].size = block_words * sizeof(word);
+      A->blocks[i].begin = (word*)m4ri_mmc_calloc(1, A->blocks[i].size);
+      A->blocks[i].end = A->blocks[i].begin + block_words;
+      block_words = blockrows * A->rowstride;
+    }
+
+    for(rci_t i = 0; i < A->nrows; ++i) {
+      A->rows[i] = A->blocks[i >> A->blockrows_log].begin + (i & blockrows_mask) * A->rowstride;
+    }
+
+  } else {
+    A->blocks = NULL;
+  }
+
+  return A;
+}
+
+/*
+   Explanation of offset_vector (in words), and row_offset.
+
+   <------------------------------- row_stride (in words)--------------------->
+   .---------------------------------------------------------------------------.  <-- m->blocks[0].begin   ^
+   |                                 ^                                        /|                           |
+   |                    m->row_offset|                      m->offset_vector_/ |                           |
+   |                                 v                                      /  |                           |
+   |  .--------------------------------------------------------------------v<--|---- m->rows[0]            |_ skipped_blocks (in blocks)
+   |  |m (also a window)             ^                                     |   |                           |
+   |  |                              |                                     |   |                           |
+   `---------------------------------|-----------------------------------------'                           v
+   .---------------------------------|----------------------------------------_.  <-- m->blocks[1].begin <-- windows.blocks[0].begin
+   |  |                      ^   lowr|                                     |_^ |
+   |  |    window->row_offset|       |            window->offset_vector _-^|   |
+   |  |                      v       v                               _-^   |   |
+   |  |  .----------------------------------------------------------v<--.  |<--|---- m->rows[lowr]
+   |  |  |window                                                    |    `-|---|---- window->rows[0]
+   |  |  |                                                          |      |   |
+   `---------------------------------------------------------------------------'
+   .---------------------------------------------------------------------------.  <-- m->blocks[2].begin <-- windows.blocks[1].begin
+   |  |  |                                                          |      |   |
+   |  |  |                                                          | lowc |   |
+   |  |  |                                                          |<---->|   |
+   |  |  |                                                          |   \__|___|__ also wrd_offset (in words)
+   |  |  `----------------------------------------------------------'      |   |
+   |  `--------------------------------------------------------------------'   |
+   `---------------------------------------------------------------------------'
+   .---------------------------------------------------------------------------.
+   |                                                                           |
+
+*/
+
+mzd_t *mzd_init_window(mzd_t *M, rci_t lowr, rci_t lowc, rci_t highr, rci_t highc) {
+  assert(lowc % m4ri_radix == 0);
+
+  mzd_t *W = mzd_t_malloc();
+
+  rci_t nrows = MIN(highr - lowr, M->nrows - lowr);
+  rci_t ncols = highc - lowc;
+  
+  W->nrows = nrows;
+  W->ncols = ncols;
+  W->rowstride = M->rowstride;
+  W->width = (ncols + m4ri_radix - 1) / m4ri_radix;
+  W->high_bitmask = __M4RI_LEFT_BITMASK(ncols % m4ri_radix);
+
+  W->flags = mzd_flag_windowed_zerooffset;
+  W->flags |= (ncols % m4ri_radix == 0) ? mzd_flag_windowed_zeroexcess : mzd_flag_nonzero_excess;
+  W->blockrows_log = M->blockrows_log;
+
+  wi_t const blockrows_mask = (1 << W->blockrows_log) - 1;
+  int const skipped_blocks = (M->row_offset + lowr) >> W->blockrows_log;
+  assert(skipped_blocks == 0 || ((M->flags & mzd_flag_multiple_blocks)));
+  W->row_offset = (M->row_offset + lowr) & blockrows_mask;
+  W->blocks = &M->blocks[skipped_blocks];
+  wi_t const wrd_offset = lowc / m4ri_radix;
+  W->offset_vector = (M->offset_vector + wrd_offset) + (W->row_offset - M->row_offset) * W->rowstride;
+  if(nrows)
+    W->rows = (word**)m4ri_mmc_calloc(nrows + 1, sizeof(word*));
+  else
+    W->rows = NULL;
+  for(rci_t i = 0; i < nrows; ++i) {
+    W->rows[i] = M->rows[lowr + i] + wrd_offset;
+  }
+  if (mzd_row_to_block(W, nrows - 1) > 0)
+    W->flags |= M->flags & mzd_flag_multiple_blocks;
+
+  /* offset_vector is the distance from the start of the first block to the first word of the first row. */
+  assert(nrows == 0 || W->blocks[0].begin + W->offset_vector == W->rows[0]);
+
+  __M4RI_DD_MZD(W);
+  return W;
+}
+
+void mzd_free(mzd_t *A) {
+  if(A->rows)
+    m4ri_mmc_free(A->rows, (A->nrows + 1) * sizeof(word*));
+  if(mzd_owns_blocks(A)) {
+    int i;
+    for(i = 0; A->blocks[i].size; ++i) {
+      m4ri_mmc_free(A->blocks[i].begin, A->blocks[i].size);
+    }
+    m4ri_mmc_free(A->blocks, (i + 1) * sizeof(mzd_block_t));
+  }
+  mzd_t_free(A);
+}
+
+void mzd_row_add(mzd_t *M, rci_t sourcerow, rci_t destrow) {
+  mzd_row_add_offset(M, destrow, sourcerow, 0);
+}
+
+void mzd_row_clear_offset(mzd_t *M, rci_t row, rci_t coloffset) {
+  wi_t const startblock = coloffset / m4ri_radix;
+  word temp;
+
+  /* make sure to start clearing at coloffset */
+  if (coloffset%m4ri_radix) {
+    temp = M->rows[row][startblock];
+    temp &= __M4RI_RIGHT_BITMASK(m4ri_radix - coloffset);
+  } else {
+    temp = 0;
+  }
+  M->rows[row][startblock] = temp;
+  for (wi_t i = startblock + 1; i < M->width; ++i) {
+    M->rows[row][i] = 0;
+  }
+
+  __M4RI_DD_ROW(M, row);
+}
+
+
+rci_t mzd_gauss_delayed(mzd_t *M, rci_t startcol, int full) {
+  rci_t startrow = startcol;
+  rci_t pivots = 0;
+  for (rci_t i = startcol; i < M->ncols ; ++i) {
+    for(rci_t j = startrow ; j < M->nrows; ++j) {
+      if (mzd_read_bit(M, j, i)) {
+	mzd_row_swap(M, startrow, j);
+	++pivots;
+
+	for(rci_t ii = full ? 0 : startrow + 1;  ii < M->nrows; ++ii) {
+	  if (ii != startrow) {
+	    if (mzd_read_bit(M, ii, i)) {
+	      mzd_row_add_offset(M, ii, startrow, i);
+	    }
+	  }
+	}
+	startrow = startrow + 1;
+	break;
+      }
+    }
+  }
+
+  __M4RI_DD_MZD(M);
+  __M4RI_DD_RCI(pivots);
+  return pivots;
+}
+
+rci_t mzd_echelonize_naive(mzd_t *M, int full) { 
+  return mzd_gauss_delayed(M, 0, full); 
+}
+
+/**
+ * Transpose a 64 x 64 matrix with width 1.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of matrix dst.
+ * \param rowstride_src Rowstride of matrix src.
+ *
+ * Rows of both matrices are expected to fit exactly in a word (offset == 0)
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works when dst == src.
+ */
+
+static inline void _mzd_copy_transpose_64x64(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src)
+{
+  /*
+   * m runs over the values:
+   *   0x00000000FFFFFFFF
+   *   0x0000FFFF0000FFFF
+   *   0x00FF00FF00FF00FF
+   *   0x0F0F0F0F0F0F0F0F
+   *   0x3333333333333333
+   *   0x5555555555555555,
+   * alternating j zeroes with j ones.
+   *
+   * Assume we have a matrix existing of four jxj matrices ((0,0) is in the top-right corner,
+   * this is the memory-model view, see the layout on http://m4ri.sagemath.org/doxygen/structmzd__t.html):
+   * ...[A1][B1][A0][B0]
+   * ...[C1][D1][C0][D0]
+   *          . [A2][B2]
+   *        .   [C2][B2]
+   *      .         .
+   *                .
+   * The following calulates the XOR between A and D,
+   * and subsequently applies that to A and D respectively,
+   * swapping A and D as a result.
+   * Therefore wk starts at the first row and then has rowstride
+   * added j times, running over the rows of A, then skips C
+   * by adding j * rowstride to continue with the next A below C.
+   */
+
+  word m = __M4RI_CONVERT_TO_WORD(0xFFFFFFFF);
+  wi_t j_rowstride_dst = rowstride_dst * 64;
+  wi_t j_rowstride_src = rowstride_src * 32;
+  word* const end = dst + j_rowstride_dst;
+  // We start with j = 32, and a one-time unrolled loop, where
+  // we copy from src and write the result to dst, swapping
+  // the two 32x32 corner matrices.
+  int j = 32;
+  j_rowstride_dst >>= 1;
+  word* RESTRICT wk = dst;
+  for (word const* RESTRICT wks = src; wk < end; wk += j_rowstride_dst, wks += j_rowstride_src) {
+    for (int k = 0; k < j; ++k, wk += rowstride_dst, wks += rowstride_src) {
+      word xor = ((*wks >> j) ^ *(wks + j_rowstride_src)) & m;
+      *wk = *wks ^ (xor << j);
+      *(wk + j_rowstride_dst) = *(wks + j_rowstride_src) ^ xor;
+    }
+  }
+  // Next we work in-place in dst and swap the corners of
+  // each of the last matrices, all in parallel, for all
+  // remaining values of j.
+  m ^= m << 16;
+  for (j = 16; j != 0; j = j >> 1, m ^= m << j) {
+    j_rowstride_dst >>= 1;
+    for (wk = dst; wk < end; wk += j_rowstride_dst) {
+      for (int k = 0; k < j; ++k, wk += rowstride_dst) {
+	word xor = ((*wk >> j) ^ *(wk + j_rowstride_dst)) & m;
+        *wk ^= xor << j;
+	*(wk + j_rowstride_dst) ^= xor;
+      }
+    }
+  }
+}
+
+/**
+ * Transpose two 64 x 64 matrix with width 1.
+ *
+ * \param dst1 First word of destination matrix 1.
+ * \param dst2 First word of destination matrix 2.
+ * \param src1 First word of source matrix 1.
+ * \param src2 First word of source matrix 2.
+ * \param rowstride_dst Rowstride of destination matrices.
+ * \param rowstride_src Rowstride of source matrices.
+ *
+ * Rows of all matrices are expected to fit exactly in a word (offset == 0)
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_64x64_2(word* RESTRICT dst1, word* RESTRICT dst2, word const* RESTRICT src1, word const* RESTRICT src2, wi_t rowstride_dst, wi_t rowstride_src)
+{
+  word m = __M4RI_CONVERT_TO_WORD(0xFFFFFFFF);
+  wi_t j_rowstride_dst = rowstride_dst * 64;
+  wi_t j_rowstride_src = rowstride_src * 32;
+  word* const end = dst1 + j_rowstride_dst;
+  int j = 32;
+  word* RESTRICT wk[2];
+  word const* RESTRICT wks[2];
+  word xor[2];
+
+  j_rowstride_dst >>= 1;
+  wk[0] = dst1;
+  wk[1] = dst2;
+  wks[0] = src1;
+  wks[1] = src2;
+
+  do {
+
+    for (int k = 0; k < j; ++k) {
+      xor[0] = ((*wks[0] >> j) ^ *(wks[0] + j_rowstride_src)) & m;
+      xor[1] = ((*wks[1] >> j) ^ *(wks[1] + j_rowstride_src)) & m;
+      *wk[0] = *wks[0] ^ (xor[0] << j);
+      *wk[1] = *wks[1] ^ (xor[1] << j);
+      *(wk[0] + j_rowstride_dst) = *(wks[0] + j_rowstride_src) ^ xor[0];
+      *(wk[1] + j_rowstride_dst) = *(wks[1] + j_rowstride_src) ^ xor[1];
+      wk[0] += rowstride_dst;
+      wk[1] += rowstride_dst;
+      wks[0] += rowstride_src;
+      wks[1] += rowstride_src;
+    }
+
+    wk[0] += j_rowstride_dst;
+    wk[1] += j_rowstride_dst;
+    wks[0] += j_rowstride_src;
+    wks[1] += j_rowstride_src;
+
+  } while(wk[0] < end);
+
+  m ^= m << 16;
+  for (j = 16; j != 0; j = j >> 1, m ^= m << j) {
+
+    j_rowstride_dst >>= 1;
+    wk[0] = dst1;
+    wk[1] = dst2;
+
+    do {
+
+      for (int k = 0; k < j; ++k) {
+	xor[0] = ((*wk[0] >> j) ^ *(wk[0] + j_rowstride_dst)) & m;
+	xor[1] = ((*wk[1] >> j) ^ *(wk[1] + j_rowstride_dst)) & m;
+	*wk[0] ^= xor[0] << j;
+	*wk[1] ^= xor[1] << j;
+	*(wk[0] + j_rowstride_dst) ^= xor[0];
+	*(wk[1] + j_rowstride_dst) ^= xor[1];
+	wk[0] += rowstride_dst;
+	wk[1] += rowstride_dst;
+      }
+
+      wk[0] += j_rowstride_dst;
+      wk[1] += j_rowstride_dst;
+
+    } while(wk[0] < end);
+  }
+}
+
+static unsigned char log2_ceil_table[64] = {
+  0, 1, 2, 2, 3, 3, 3, 3,
+  4, 4, 4, 4, 4, 4, 4, 4,
+  5, 5, 5, 5, 5, 5, 5, 5,
+  5, 5, 5, 5, 5, 5, 5, 5,
+  6, 6, 6, 6, 6, 6, 6, 6,
+  6, 6, 6, 6, 6, 6, 6, 6,
+  6, 6, 6, 6, 6, 6, 6, 6,
+  6, 6, 6, 6, 6, 6, 6, 6
+};
+
+static inline int log2_ceil(int n)
+{
+  return log2_ceil_table[n - 1];
+}
+
+static word const transpose_mask[6] = {
+  0x5555555555555555ULL,
+  0x3333333333333333ULL,
+  0x0F0F0F0F0F0F0F0FULL,
+  0x00FF00FF00FF00FFULL,
+  0x0000FFFF0000FFFFULL,
+  0x00000000FFFFFFFFULL,
+};
+
+/**
+ * Transpose 64/j matrices of size jxj in parallel.
+ *
+ * Where j equals n rounded up to the nearest power of 2.
+ * The input array t must be of size j (containing the rows i of all matrices in t[i]).
+ *
+ * t[0..{j-1}]  = [Al]...[A1][A0]
+ *
+ * \param t An array of j words.
+ * \param n The number of rows in each matrix.
+ *
+ * \return log2(j)
+ */
+
+static inline int _mzd_transpose_Nxjx64(word* RESTRICT t, int n)
+{
+  int j = 1;
+  int mi = 0;		// Index into the transpose_mask array.
+
+  while (j < n)		// Don't swap with entirely undefined data (where [D] exists entirely of non-existant rows).
+  {
+    // Swap 64/j matrices of size jxj in 2j rows. Thus,
+    // <---- one word --->
+    // [Al][Bl]...[A0][B0]
+    // [Cl][Dl]...[C0][D0], where l = 64/j - 1 and each matrix [A], [B] etc is jxj.
+    // Then swap [A] and [D] in-place.
+
+    // m runs over the values in transpose_mask, so that at all
+    // times m exists of j zeroes followed by j ones, repeated.
+    word const m = transpose_mask[mi];
+    int k = 0;		// Index into t[].
+    do {
+      // Run over all rows of [A] and [D].
+      for (int i = 0; i < j; ++i, ++k) {
+	// t[k] contains row i of all [A], and t[k + j] contains row i of all [D]. Swap them.
+	word xor = ((t[k] >> j) ^ t[k + j]) & m;
+	t[k] ^= xor << j;
+	t[k + j] ^= xor;
+      }
+      k += j;		// Skip [C].
+    } while (k < n);	// Stop if we passed all valid input.
+
+    // Double the size of j and repeat this for the next 2j rows until all
+    // n rows have been swapped (possibly with non-existant rows).
+    j <<= 1;
+    ++mi;
+  }
+
+  return mi;
+}
+
+/**
+ * Transpose a n x 64 matrix with width 1.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of destination matrix.
+ * \param rowstride_src Rowstride of source matrix.
+ * \param n Number of rows in source matrix, must be less than 64.
+ *
+ * Rows of all matrices are expected have offset zero
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_lt64x64(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n)
+{
+  // Preload the n input rows into level 1, using a minimum of cache lines (compact storage).
+  word t[64];
+  word const* RESTRICT wks = src;
+  int k;
+  for (k = 0; k < n; ++k) {
+    t[k] = *wks;
+    wks += rowstride_src;
+  }
+  if (n > 32) {
+    while (k < 64)
+      t[k++] = 0;
+    _mzd_copy_transpose_64x64(dst, t, rowstride_dst, 1);
+    return;
+  }
+  int log2j = _mzd_transpose_Nxjx64(t, n);
+  // All output bits are now transposed, but still might need to be shifted in place.
+  // What we have now is 64/j matrices of size jxj. Thus,
+  // [Al]...[A1][A0], where l = 64/j - 1.
+  // while the actual output is:
+  // [A0]
+  // [A1]
+  // ...
+  // [Al]
+  word const m = __M4RI_LEFT_BITMASK(n);
+  word* RESTRICT wk = dst;
+  switch (log2j) {
+    case 5:
+    {
+      wi_t const j_rowstride_dst = 32 * rowstride_dst;
+      for (int k = 0; k < 32; ++k) {
+	wk[0] = t[k] & m;
+	wk[j_rowstride_dst] = (t[k] >> 32) & m;
+	wk += rowstride_dst;
+      }
+      break;
+    }
+    case 4:
+    {
+      wi_t const j_rowstride_dst = 16 * rowstride_dst;
+      for (int k = 0; k < 16; ++k) {
+	wk[0] = t[k] & m;
+	wk[j_rowstride_dst] = (t[k] >> 16) & m;
+	wk[2 * j_rowstride_dst] = (t[k] >> 32) & m;
+	wk[3 * j_rowstride_dst] = (t[k] >> 48) & m;
+	wk += rowstride_dst;
+      }
+      break;
+    }
+    case 3:
+    {
+      wi_t const j_rowstride_dst = 8 * rowstride_dst;
+      for (int k = 0; k < 8; ++k) {
+	wk[0] = t[k] & m;
+	wk[j_rowstride_dst] = (t[k] >> 8) & m;
+	wk[2 * j_rowstride_dst] = (t[k] >> 16) & m;
+	wk[3 * j_rowstride_dst] = (t[k] >> 24) & m;
+	wk[4 * j_rowstride_dst] = (t[k] >> 32) & m;
+	wk[5 * j_rowstride_dst] = (t[k] >> 40) & m;
+	wk[6 * j_rowstride_dst] = (t[k] >> 48) & m;
+	wk[7 * j_rowstride_dst] = (t[k] >> 56) & m;
+	wk += rowstride_dst;
+      }
+      break;
+    }
+    case 2:
+    {
+      wi_t const j_rowstride_dst = 4 * rowstride_dst;
+      for (int k = 0; k < 4; ++k) {
+	word* RESTRICT wk2 = wk;
+	word tk = t[k];
+	for (int i = 0; i < 2; ++i) {
+	  wk2[0] = tk & m;
+	  wk2[j_rowstride_dst] = (tk >> 4) & m;
+	  wk2[2 * j_rowstride_dst] = (tk >> 8) & m;
+	  wk2[3 * j_rowstride_dst] = (tk >> 12) & m;
+	  wk2[4 * j_rowstride_dst] = (tk >> 16) & m;
+	  wk2[5 * j_rowstride_dst] = (tk >> 20) & m;
+	  wk2[6 * j_rowstride_dst] = (tk >> 24) & m;
+	  wk2[7 * j_rowstride_dst] = (tk >> 28) & m;
+	  wk2 += 8 * j_rowstride_dst;
+	  tk >>= 32;
+	}
+	wk += rowstride_dst;
+      }
+      break;
+    }
+    case 1:
+    {
+      wi_t const j_rowstride_dst = 2 * rowstride_dst;
+      for (int k = 0; k < 2; ++k) {
+	word* RESTRICT wk2 = wk;
+	word tk = t[k];
+	for (int i = 0; i < 8; ++i) {
+	  wk2[0] = tk & m;
+	  wk2[j_rowstride_dst] = (tk >> 2) & m;
+	  wk2[2 * j_rowstride_dst] = (tk >> 4) & m;
+	  wk2[3 * j_rowstride_dst] = (tk >> 6) & m;
+	  wk2 += 4 * j_rowstride_dst;
+	  tk >>= 8;
+	}
+	wk += rowstride_dst;
+      }
+      break;
+    }
+    case 0:
+    {
+      word* RESTRICT wk2 = wk;
+      word tk = t[0];
+      for (int i = 0; i < 16; ++i) {
+	wk2[0] = tk & m;
+	wk2[rowstride_dst] = (tk >> 1) & m;
+	wk2[2 * rowstride_dst] = (tk >> 2) & m;
+	wk2[3 * rowstride_dst] = (tk >> 3) & m;
+	wk2 += 4 * rowstride_dst;
+	tk >>= 4;
+      }
+      break;
+    }
+  }
+}
+
+/**
+ * Transpose a 64 x n matrix with width 1.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of destination matrix.
+ * \param rowstride_src Rowstride of source matrix.
+ * \param n Number of columns in source matrix, must be less than 64.
+ *
+ * Rows of all matrices are expected have offset zero
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_64xlt64(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n)
+{
+  word t[64];
+  int log2j = log2_ceil(n);
+  word const* RESTRICT wks = src;
+  switch (log2j) {
+    case 6:
+    {
+      _mzd_copy_transpose_64x64(t, src, 1, rowstride_src);
+      word* RESTRICT wk = dst;
+      for (int k = 0; k < n; ++k) {
+	*wk = t[k];
+	wk += rowstride_dst;
+      }
+      return;
+    }
+    case 5:
+    {
+      wi_t const j_rowstride_src = 32 * rowstride_src;
+      for (int k = 0; k < 32; ++k) {
+	t[k] = wks[0] | (wks[j_rowstride_src] << 32);
+	wks += rowstride_src;
+      }
+      break;
+    }
+    case 4:
+    {
+      wi_t const j_rowstride_src = 16 * rowstride_src;
+      for (int k = 0; k < 16; ++k) {
+	t[k] = wks[0] | (wks[j_rowstride_src] << 16);
+	t[k] |= (wks[2 * j_rowstride_src] << 32) | (wks[3 * j_rowstride_src] << 48);
+	wks += rowstride_src;
+      }
+      break;
+    }
+    case 3:
+    {
+      wi_t const j_rowstride_src = 8 * rowstride_src;
+      word tt;
+      for (int k = 0; k < 8; ++k) {
+	tt = wks[0] | (wks[j_rowstride_src] << 8);
+	t[k] = (wks[2 * j_rowstride_src] << 16) | (wks[3 * j_rowstride_src] << 24);
+	tt |= (wks[4 * j_rowstride_src] << 32) | (wks[5 * j_rowstride_src] << 40);
+	t[k] |= (wks[6 * j_rowstride_src] << 48) | (wks[7 * j_rowstride_src] << 56);
+	wks += rowstride_src;
+	t[k] |= tt;
+      }
+      break;
+    }
+    case 2:
+    {
+      word const* RESTRICT wks2 = wks + 60 * rowstride_src;
+      t[0] = wks2[0];
+      t[1] = wks2[rowstride_src];
+      t[2] = wks2[2 * rowstride_src];
+      t[3] = wks2[3 * rowstride_src];
+      for (int i = 0; i < 15; ++i) {
+	wks2 -= 4 * rowstride_src;
+	t[0] <<= 4;
+	t[1] <<= 4;
+	t[2] <<= 4;
+	t[3] <<= 4;
+	t[0] |= wks2[0];
+	t[1] |= wks2[rowstride_src];
+	t[2] |= wks2[2 * rowstride_src];
+	t[3] |= wks2[3 * rowstride_src];
+      }
+      break;
+    }
+    case 1:
+    {
+      wks += 62 * rowstride_src;
+      t[0] = wks[0];
+      t[1] = wks[rowstride_src];
+      for (int i = 0; i < 31; ++i) {
+	wks -= 2 * rowstride_src;
+	t[0] <<= 2;
+	t[1] <<= 2;
+	t[0] |= wks[0];
+	t[1] |= wks[rowstride_src];
+      }
+      break;
+    }
+    case 0:
+    {
+      word tt[2];
+      tt[0] = wks[0];
+      tt[1] = wks[rowstride_src];
+      for (int i = 2; i < 64; i += 2) {
+	wks += 2 * rowstride_src;
+	tt[0] |= wks[0] << i;
+	tt[1] |= wks[rowstride_src] << i;
+      }
+      *dst = tt[0] | (tt[1] << 1);
+      return;
+    }
+  }
+  int j  = 1 << log2j;
+  _mzd_transpose_Nxjx64(t, j);
+  word* RESTRICT wk = dst;
+  for (int k = 0; k < n; ++k) {
+    *wk = t[k];
+    wk += rowstride_dst;
+  }
+}
+
+/**
+ * Transpose a n x m matrix with width 1, offset 0 and m and n less than or equal 8.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of destination matrix.
+ * \param rowstride_src Rowstride of source matrix.
+ * \param n Number of rows in source matrix, must be less than or equal 8.
+ * \param m Number of columns in source matrix, must be less than or equal 8.
+ *
+ * Rows of all matrices are expected to have offset zero
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_le8xle8(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n, int m, int maxsize)
+{
+  int end = maxsize * 7;
+  word const* RESTRICT wks = src;
+  word w = *wks;
+  int shift = 0;
+  for (int i = 1; i < n; ++i) {
+    wks += rowstride_src;
+    shift += 8;
+    w |= (*wks << shift);
+  }
+  word mask = 0x80402010080402ULL;
+  word w7 = w >> 7;
+  shift = 7;
+  --m;
+  do {
+    word xor = (w ^ w7) & mask;
+    mask >>= 8;
+    w ^= (xor << shift);
+    shift += 7;
+    w7 >>= 7;
+    w ^= xor;
+  } while(shift < end);
+  word* RESTRICT wk = dst + m * rowstride_dst;
+  for (int shift = 8 * m; shift > 0; shift -= 8) {
+    *wk = (unsigned char)(w >> shift);
+    wk -= rowstride_dst;
+  }
+  *wk = (unsigned char)w;
+}
+
+/**
+ * Transpose a n x m matrix with width 1, offset 0 and m and n less than or equal 16.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of destination matrix.
+ * \param rowstride_src Rowstride of source matrix.
+ * \param n Number of rows in source matrix, must be less than or equal 16.
+ * \param m Number of columns in source matrix, must be less than or equal 16.
+ *
+ * Rows of all matrices are expected to have offset zero
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_le16xle16(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n, int m, int maxsize)
+{
+  int end = maxsize * 3;
+  word const* RESTRICT wks = src;
+  word t[4];
+  int i = n;
+  do {
+    t[0] = wks[0];
+    if (--i == 0) {
+      t[1] = 0;
+      t[2] = 0;
+      t[3] = 0;
+      break;
+    }
+    t[1] = wks[rowstride_src];
+    if (--i == 0) {
+      t[2] = 0;
+      t[3] = 0;
+      break;
+    }
+    t[2] = wks[2 * rowstride_src];
+    if (--i == 0) {
+      t[3] = 0;
+      break;
+    }
+    t[3] = wks[3 * rowstride_src];
+    if (--i == 0)
+      break;
+    wks += 4 * rowstride_src;
+    for(int shift = 16;; shift += 16) {
+      t[0] |= (*wks << shift);
+      if (--i == 0)
+	break;
+      t[1] |= (wks[rowstride_src] << shift);
+      if (--i == 0)
+	break;
+      t[2] |= (wks[2 * rowstride_src] << shift);
+      if (--i == 0)
+	break;
+      t[3] |= (wks[3 * rowstride_src] << shift);
+      if (--i == 0)
+	break;
+      wks += 4 * rowstride_src;
+    }
+  } while(0);
+  word mask = 0xF0000F0000F0ULL;
+  int shift = 12;
+  word xor[4];
+  do {
+    xor[0] = (t[0] ^ (t[0] >> shift)) & mask;
+    xor[1] = (t[1] ^ (t[1] >> shift)) & mask;
+    xor[2] = (t[2] ^ (t[2] >> shift)) & mask;
+    xor[3] = (t[3] ^ (t[3] >> shift)) & mask;
+    mask >>= 16;
+    t[0] ^= (xor[0] << shift);
+    t[1] ^= (xor[1] << shift);
+    t[2] ^= (xor[2] << shift);
+    t[3] ^= (xor[3] << shift);
+    shift += 12;
+    t[0] ^= xor[0];
+    t[1] ^= xor[1];
+    t[2] ^= xor[2];
+    t[3] ^= xor[3];
+  } while(shift < end);
+  _mzd_transpose_Nxjx64(t, 4);
+  i = m;
+  word* RESTRICT wk = dst;
+  do {
+    wk[0] = (uint16_t)t[0];
+    if (--i == 0)
+      break;
+    wk[rowstride_dst] = (uint16_t)t[1];
+    if (--i == 0)
+      break;
+    wk[2 * rowstride_dst] = (uint16_t)t[2];
+    if (--i == 0)
+      break;
+    wk[3 * rowstride_dst] = (uint16_t)t[3];
+    if (--i == 0)
+      break;
+    wk += 4 * rowstride_dst;
+    for(int shift = 16;; shift += 16) {
+      wk[0] = (uint16_t)(t[0] >> shift);
+      if (--i == 0)
+	break;
+      wk[rowstride_dst] = (uint16_t)(t[1] >> shift);
+      if (--i == 0)
+	break;
+      wk[2 * rowstride_dst] = (uint16_t)(t[2] >> shift);
+      if (--i == 0)
+	break;
+      wk[3 * rowstride_dst] = (uint16_t)(t[3] >> shift);
+      if (--i == 0)
+	break;
+      wk += 4 * rowstride_dst;
+    }
+  } while(0);
+}
+
+/**
+ * Transpose a n x m matrix with width 1, offset 0 and m and n less than or equal 32.
+ *
+ * \param dst First word of destination matrix.
+ * \param src First word of source matrix.
+ * \param rowstride_dst Rowstride of destination matrix.
+ * \param rowstride_src Rowstride of source matrix.
+ * \param n Number of rows in source matrix, must be less than or equal 32.
+ * \param m Number of columns in source matrix, must be less than or equal 32.
+ *
+ * Rows of all matrices are expected to have offset zero
+ * and lay entirely inside a single block.
+ *
+ * \note This function also works to transpose in-place.
+ */
+
+static inline void _mzd_copy_transpose_le32xle32(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n, int m)
+{
+  word const* RESTRICT wks = src;
+  word t[16];
+  int i = n;
+  if (n > 16) {
+    i -= 16;
+    for (int j = 0; j < 16; ++j) {
+      t[j] = *wks;
+      wks += rowstride_src;
+    }
+    int j = 0;
+    do {
+      t[j++] |= (*wks << 32);
+      wks += rowstride_src;
+    } while(--i);
+  } else {
+    int j;
+    for (j = 0; j < n; ++j) {
+      t[j] = *wks;
+      wks += rowstride_src;
+    }
+    for (; j < 16; ++j)
+      t[j] = 0;
+  }
+  _mzd_transpose_Nxjx64(t, 16);
+  int one_more = (m & 1);
+  word* RESTRICT wk = dst;
+  if (m > 16) {
+    m -= 16;
+    for (int j = 0; j < 16; j += 2) {
+      *wk = (t[j] & 0xFFFF) | ((t[j] >> 16) & 0xFFFF0000);
+      wk[rowstride_dst] = (t[j + 1] & 0xFFFF) | ((t[j + 1] >> 16) & 0xFFFF0000);
+      wk += 2 * rowstride_dst;
+    }
+    for (int j = 1; j < m; j += 2) {
+      *wk = ((t[j - 1] >> 16) & 0xFFFF) | ((t[j - 1] >> 32) & 0xFFFF0000);
+      wk[rowstride_dst] = ((t[j] >> 16) & 0xFFFF) | ((t[j] >> 32) & 0xFFFF0000);
+      wk += 2 * rowstride_dst;
+    }
+    if (one_more) {
+      *wk = ((t[m - 1] >> 16) & 0xFFFF) | ((t[m - 1] >> 32) & 0xFFFF0000);
+    }
+  } else {
+    for (int j = 1; j < m; j += 2) {
+      *wk = (t[j - 1] & 0xFFFF) | ((t[j - 1] >> 16) & 0xFFFF0000);
+      wk[rowstride_dst] = (t[j] & 0xFFFF) | ((t[j] >> 16) & 0xFFFF0000);
+      wk += 2 * rowstride_dst;
+    }
+    if (one_more) {
+      *wk = (t[m - 1] & 0xFFFF) | ((t[m - 1] >> 16) & 0xFFFF0000);
+    }
+  }
+}
+
+static inline void _mzd_copy_transpose_le64xle64(word* RESTRICT dst, word const* RESTRICT src, wi_t rowstride_dst, wi_t rowstride_src, int n, int m)
+{
+  word const* RESTRICT wks = src;
+  word t[64];
+  int k;
+  for (k = 0; k < n; ++k) {
+    t[k] = *wks;
+    wks += rowstride_src;
+  }
+  while(k < 64)
+    t[k++] = 0;
+  _mzd_copy_transpose_64x64(t, t, 1, 1);
+  word* RESTRICT wk = dst;
+  for (int k = 0; k < m; ++k) {
+    *wk = t[k];
+    wk += rowstride_dst;
+  }
+  return;
+}
+
+void _mzd_transpose_multiblock(mzd_t *DST, mzd_t const *A, word* RESTRICT* fwdp, word const* RESTRICT* fwsp, rci_t* nrowsp, rci_t* ncolsp);
+
+mzd_t *_mzd_transpose(mzd_t *DST, mzd_t const *A) {
+  assert(!mzd_is_windowed(DST) && !mzd_is_windowed(A));
+  // We assume that there fit at least 64 rows in a block, if
+  // that is the case then each block will contain a multiple
+  // of 64 rows, since blockrows is a power of 2.
+  assert(A->blockrows_log >= 6 && DST->blockrows_log >= 6);
+
+  rci_t nrows = A->nrows;
+  rci_t ncols = A->ncols;
+  rci_t maxsize = MAX(nrows, ncols);
+
+  word* RESTRICT fwd = mzd_first_row(DST);
+  word const* RESTRICT fws = mzd_first_row(A);
+
+  if (maxsize >= 64) {
+
+    // This is the most non-intrusive way to deal with the case of multiple blocks.
+    // Note that this code is VERY sensitive. ANY change to _mzd_transpose can easily
+    // reduce the speed for small matrices (up to 64x64) by 5 to 10%.
+    int const multiple_blocks = (A->flags | DST->flags) & mzd_flag_multiple_blocks;
+    if (__M4RI_UNLIKELY(multiple_blocks)) {
+      word* RESTRICT non_register_fwd;
+      word const* RESTRICT non_register_fws;
+      rci_t non_register_nrows;
+      rci_t non_register_ncols;
+      _mzd_transpose_multiblock(DST, A, &non_register_fwd, &non_register_fws, &non_register_nrows, &non_register_ncols);
+      fwd = non_register_fwd;
+      fws = non_register_fws;
+      nrows = non_register_nrows;
+      ncols = non_register_ncols;
+    }
+
+    if (nrows >= 64) {
+      /*
+       * This is an interesting #if ...
+       * I recommend to investigate the number of instructions, and the clocks per instruction,
+       * as function of various sizes of the matrix (most likely especially the number of columns
+       * (the size of a row) will have influence; also always use multiples of 64 or even 128),
+       * for both cases below.
+       *
+       * To measure this run for example:
+       *
+       * ./bench_mzd -m 10 -x 10 -p PAPI_TOT_INS,PAPI_L1_TCM,PAPI_L2_TCM mzd_transpose 32000 32000
+       * ./bench_mzd -m 10 -x 100 -p PAPI_TOT_INS,PAPI_L1_TCM,PAPI_L2_TCM mzd_transpose 128 10240
+       * etc (increase -x for smaller sizes to get better accuracy).
+       *
+       * --Carlo Wood
+       */
+#if 1
+      int js = ncols & nrows & 64;	// True if the total number of whole 64x64 matrices is odd.
+      wi_t const rowstride_64_dst = 64 * DST->rowstride;
+      word* RESTRICT fwd_current = fwd;
+      word const* RESTRICT fws_current = fws;
+      if (js) {
+	js = 1;
+	_mzd_copy_transpose_64x64(fwd, fws, DST->rowstride, A->rowstride);
+	if ((nrows | ncols) == 64) {
+	  __M4RI_DD_MZD(DST);
+	  return DST;
+	}
+	fwd_current += rowstride_64_dst;
+	++fws_current;
+      }
+      rci_t const whole_64cols = ncols / 64;
+      // The use of delayed and even, is to avoid calling _mzd_copy_transpose_64x64_2 twice.
+      // This way it can be inlined without duplicating the amount of code that has to be loaded.
+      word* RESTRICT fwd_delayed = NULL;
+      word const* RESTRICT fws_delayed = NULL;
+      int even = 0;
+      while (1)
+      {
+	for (int j = js; j < whole_64cols; ++j) {
+	  if (!even) {
+	    fwd_delayed = fwd_current;
+	    fws_delayed = fws_current;
+	  } else {
+	    _mzd_copy_transpose_64x64_2(fwd_delayed, fwd_current, fws_delayed, fws_current, DST->rowstride, A->rowstride);
+	  }
+	  fwd_current += rowstride_64_dst;
+	  ++fws_current;
+	  even = !even;
+	}
+	nrows -= 64;
+	if (ncols % 64) {
+	  _mzd_copy_transpose_64xlt64(fwd + whole_64cols * rowstride_64_dst, fws + whole_64cols, DST->rowstride, A->rowstride, ncols % 64);
+	}
+	fwd += 1;
+	fws += 64 * A->rowstride;
+	if (nrows < 64)
+	  break;
+	js = 0;
+	fws_current = fws;
+	fwd_current = fwd;
+      }
+#else
+      // The same as the above, but without using _mzd_copy_transpose_64x64_2.
+      wi_t const rowstride_64_dst = 64 * DST->rowstride;
+      rci_t const whole_64cols = ncols / 64;
+      assert(nrows >= 64);
+      do {
+	for (int j = 0; j < whole_64cols; ++j) {
+	  _mzd_copy_transpose_64x64(fwd + j * rowstride_64_dst, fws + j, DST->rowstride, A->rowstride);
+	}
+	nrows -= 64;
+	if (ncols % 64) {
+	  _mzd_copy_transpose_64xlt64(fwd + whole_64cols * rowstride_64_dst, fws + whole_64cols, DST->rowstride, A->rowstride, ncols % 64);
+	}
+	fwd += 1;
+	fws += 64 * A->rowstride;
+      } while(nrows >= 64);
+#endif
+    }
+
+    if (nrows == 0) {
+      __M4RI_DD_MZD(DST);
+      return DST;
+    }
+
+    // Transpose the remaining top rows. Now 0 < nrows < 64.
+
+    while (ncols >= 64)
+    {
+      _mzd_copy_transpose_lt64x64(fwd, fws, DST->rowstride, A->rowstride, nrows);
+      ncols -= 64;
+      fwd += 64 * DST->rowstride;
+      fws += 1;
+    }
+
+    if (ncols == 0) {
+      __M4RI_DD_MZD(DST);
+      return DST;
+    }
+
+    maxsize = MAX(nrows, ncols);
+  }
+
+  // Transpose the remaining corner. Now both 0 < nrows < 64 and 0 < ncols < 64.
+
+  if (maxsize <= 8) {
+    _mzd_copy_transpose_le8xle8(fwd, fws, DST->rowstride, A->rowstride, nrows, ncols, maxsize);
+  }
+  else if (maxsize <= 16) {
+    _mzd_copy_transpose_le16xle16(fwd, fws, DST->rowstride, A->rowstride, nrows, ncols, maxsize);
+  }
+  else if (maxsize <= 32) {
+    _mzd_copy_transpose_le32xle32(fwd, fws, DST->rowstride, A->rowstride, nrows, ncols);
+  }
+  else {
+    _mzd_copy_transpose_le64xle64(fwd, fws, DST->rowstride, A->rowstride, nrows, ncols);
+  }
+
+  __M4RI_DD_MZD(DST);
+  return DST;
+}
+
+void _mzd_transpose_multiblock(mzd_t *DST, mzd_t const *A, word* RESTRICT* fwdp, word const* RESTRICT* fwsp, rci_t* nrowsp, rci_t* ncolsp) {
+
+  rci_t nrows = A->nrows;
+  rci_t ncols = A->ncols;
+
+  rci_t blockrows_dst = 1 << DST->blockrows_log;	// The maximum number of rows in a block of DST.
+  rci_t blockrows_src = 1 << A->blockrows_log;		// The maximum number of rows in a block of A.
+
+  /* We're deviding the source matrix into blocks of multiples of 64x64, such that each
+   * block fits entirely inside a single memory allocation block, both in the source
+   * as well as the corresponding destination.
+   *
+   *                      <-------------------ncols----------------->
+   *                                  <---------blockrows_dst------->
+   * .---------------------------------------------------------------.
+   * |P      ^  Matrix A:|   .       |Q      .       .       .       |<-^---- A->blocks[0].begin
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |- - - - - -|- - - - - - - - - - - - - - - -|  |
+   * |       |           |   .       |       .   ^   .       .       |  |
+   * |       |           |   .       |       .<64x64>.       .       |  |
+   * |       |           |   .       |       .   v   .       .       |  |
+   * |       |           |- - - - - -|- - - - - - - - - - - - - - - -|  |- blockrows_src
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |nrows      |- - - - - -|- - - - - - - - - - - - - - - -|  |
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |   .       |       .       .       .       |  |
+   * |       |           |   .       |       .       .       .       |  v
+   * |===================+===========================================|
+   * |R      |           |   .       |S      .       .       .       |<------ A->blocks[1].begin
+   * |       |           |   .       |       .       .       .       |
+   * |       |           |   .       |       .       .       .       |
+   * |       |           |- - - - - -|- - - - - - - - - - - - - - - -|
+   * |       |           |   .       |       .       .       .       |
+   * |       |           |   .       |       .       .       .       |
+   * |       |           |   .       |       .       .       .       |
+   * |       |           |- - - - - -|- - - - - - - - - - - - - - - -|
+   * |       v           |   .       |       .       .       .       |
+   * |                   `-------------------------------------------|
+   * |                               |                               |
+   * |                               |                               |
+   * |                               |                               |
+   * |                               |                               |
+   * |                               |                               |
+   * `---------------------------------------------------------------'
+   *
+   * Imagine this also to be the memory map of DST, which then would be
+   * mirrored in the diagonal line from the top/right to the bottom/left.
+   * Then each of the squares P, Q, R and S lay entirely inside one
+   * memory block in both the source as well as the destination matrix.
+   * P and Q are really the same block for matrix A (as are R and S),
+   * while P and R (and Q and S) are really the same block for DST.
+   *
+   * We're going to run over the top/right corners of each of these
+   * memory "blocks" and then transpose it, one by one, running
+   * from right to left and top to bottom. The last one (R) will be
+   * done by the calling function, so we just return when we get there.
+   */
+
+  rci_t R_top = (nrows >> A->blockrows_log) << A->blockrows_log;
+  rci_t R_right = (ncols >> DST->blockrows_log) << DST->blockrows_log;
+  for (rci_t col = 0; col < ncols; col += blockrows_dst) {
+    rci_t end = (col == R_right) ? R_top : nrows;
+    for (rci_t row = 0; row < end; row += blockrows_src) {
+
+      rci_t nrowsb = (row < R_top) ? blockrows_src : (nrows - R_top);
+      rci_t ncolsb = (col < R_right) ? blockrows_dst : (ncols - R_right);
+      word const* RESTRICT fws = mzd_row(A, row) + col / m4ri_radix;
+      word* RESTRICT fwd = mzd_row(DST, col) + row / m4ri_radix;
+
+      // The following code is (almost) duplicated from _mzd_transpose.
+      if (nrowsb >= 64) {
+
+	int js = ncolsb & nrowsb & 64;	// True if the total number of whole 64x64 matrices is odd.
+	wi_t const rowstride_64_dst = 64 * DST->rowstride;
+	word* RESTRICT fwd_current = fwd;
+	word const* RESTRICT fws_current = fws;
+	if (js) {
+	  js = 1;
+	  _mzd_copy_transpose_64x64(fwd, fws, DST->rowstride, A->rowstride);
+	  fwd_current += rowstride_64_dst;
+	  ++fws_current;
+	}
+	rci_t const whole_64cols = ncolsb / 64;
+	// The use of delayed and even, is to avoid calling _mzd_copy_transpose_64x64_2 twice.
+	// This way it can be inlined without duplicating the amount of code that has to be loaded.
+	word* RESTRICT fwd_delayed = NULL;
+	word const* RESTRICT fws_delayed = NULL;
+	int even = 0;
+	while (1)
+	{
+	  for (int j = js; j < whole_64cols; ++j) {
+	    if (!even) {
+	      fwd_delayed = fwd_current;
+	      fws_delayed = fws_current;
+	    } else {
+	      _mzd_copy_transpose_64x64_2(fwd_delayed, fwd_current, fws_delayed, fws_current, DST->rowstride, A->rowstride);
+	    }
+	    fwd_current += rowstride_64_dst;
+	    ++fws_current;
+	    even = !even;
+	  }
+	  nrowsb -= 64;
+	  if (ncolsb % 64) {
+	    _mzd_copy_transpose_64xlt64(fwd + whole_64cols * rowstride_64_dst, fws + whole_64cols, DST->rowstride, A->rowstride, ncolsb % 64);
+	  }
+	  fwd += 1;
+	  fws += 64 * A->rowstride;
+	  if (nrowsb < 64)
+	    break;
+	  js = 0;
+	  fws_current = fws;
+	  fwd_current = fwd;
+	}
+      }
+
+      if (nrowsb == 0)
+	continue;
+
+      // Transpose the remaining top rows. Now 0 < nrowsb < 64.
+
+      while (ncolsb >= 64)
+      {
+	_mzd_copy_transpose_lt64x64(fwd, fws, DST->rowstride, A->rowstride, nrowsb);
+	ncolsb -= 64;
+	fwd += 64 * DST->rowstride;
+	fws += 1;
+      }
+
+      // This is true because if it wasn't then nrowsb has to be 0 and we continued before already.
+      assert(ncolsb == 0);
+    }
+  }
+
+  *nrowsp = nrows - R_top;
+  *ncolsp = ncols - R_right;
+  if (R_top < nrows)
+    *fwsp = mzd_row(A, R_top) + R_right / m4ri_radix;
+  if (R_right < ncols)
+    *fwdp = mzd_row(DST, R_right) + R_top / m4ri_radix;
+}
+
+mzd_t *mzd_transpose(mzd_t *DST, mzd_t const *A) {
+  if (DST == NULL) {
+    DST = mzd_init( A->ncols, A->nrows );
+  } else if (__M4RI_UNLIKELY(DST->nrows != A->ncols || DST->ncols != A->nrows)) {
+    m4ri_die("mzd_transpose: Wrong size for return matrix.\n");
+  } else {
+    /** it seems this is taken care of in the subroutines, re-enable if running into problems **/
+    //mzd_set_ui(DST,0);
+  }
+
+  if(A->nrows == 0 || A->ncols == 0)
+    return mzd_copy(DST, A);
+ 
+  if (__M4RI_LIKELY(!mzd_is_windowed(DST) && !mzd_is_windowed(A)))
+    return _mzd_transpose(DST, A);
+  int A_windowed = mzd_is_windowed(A);
+  if (A_windowed)
+    A = mzd_copy(NULL, A);
+  if (__M4RI_LIKELY(!mzd_is_windowed(DST)))
+    _mzd_transpose(DST, A);
+  else {
+    mzd_t *D = mzd_init(DST->nrows, DST->ncols);
+    _mzd_transpose(D, A);
+    mzd_copy(DST, D);
+    mzd_free(D);
+  }
+  if (A_windowed)
+    mzd_free((mzd_t*)A);
+  return DST;
+}
+
+mzd_t *mzd_mul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B) {
+  if (C == NULL) {
+    C = mzd_init(A->nrows, B->ncols);
+  } else {
+    if (C->nrows != A->nrows || C->ncols != B->ncols) {
+      m4ri_die("mzd_mul_naive: Provided return matrix has wrong dimensions.\n");
+    }
+  }
+  if(B->ncols < m4ri_radix-10) { /* this cutoff is rather arbitrary */
+    mzd_t *BT = mzd_transpose(NULL, B);
+    _mzd_mul_naive(C, A, BT, 1);
+    mzd_free (BT);
+  } else {
+    _mzd_mul_va(C, A, B, 1);
+  }
+  return C;
+}
+
+mzd_t *mzd_addmul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B) {
+  if (C->nrows != A->nrows || C->ncols != B->ncols) {
+    m4ri_die("mzd_mul_naive: Provided return matrix has wrong dimensions.\n");
+  }
+
+  if(B->ncols < m4ri_radix-10) { /* this cutoff is rather arbitrary */
+    mzd_t *BT = mzd_transpose(NULL, B);
+    _mzd_mul_naive(C, A, BT, 0);
+    mzd_free (BT);
+  } else {
+    _mzd_mul_va(C, A, B, 0);
+  }
+  return C;
+}
+
+mzd_t *_mzd_mul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B, const int clear) {
+  wi_t eol;
+  word *a, *b, *c;
+
+  if (clear) {
+    word const mask_end = C->high_bitmask;
+    /* improves performance on x86_64 but is not cross plattform */
+    /* asm __volatile__ (".p2align 4\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop"); */
+    for (rci_t i = 0; i < C->nrows; ++i) {
+      wi_t j = 0;
+      for (; j < C->width - 1; ++j) {
+  	C->rows[i][j] = 0;
+      }
+      C->rows[i][j] &= ~mask_end;
+    }
+  }
+
+  if(C->ncols % m4ri_radix) {
+    eol = (C->width - 1);
+  } else {
+    eol = (C->width);
+  }
+
+  word parity[64];
+  for (int i = 0; i < 64; ++i) {
+    parity[i] = 0;
+  }
+  wi_t const wide = A->width;
+  int const blocksize = __M4RI_MUL_BLOCKSIZE;
+  for (rci_t start = 0; start + blocksize <= C->nrows; start += blocksize) {
+    for (rci_t i = start; i < start + blocksize; ++i) {
+      a = A->rows[i];
+      c = C->rows[i];
+      for (rci_t j = 0; j < m4ri_radix * eol; j += m4ri_radix) {
+	for (int k = 0; k < m4ri_radix; ++k) {
+          b = B->rows[j + k];
+          parity[k] = a[0] & b[0];
+          for (wi_t ii = wide - 1; ii >= 1; --ii)
+	    parity[k] ^= a[ii] & b[ii];
+        }
+        c[j / m4ri_radix] ^= m4ri_parity64(parity);
+      }
+      
+      if (eol != C->width) {
+	word const mask_end = C->high_bitmask;
+        /* improves performance on x86_64 but is not cross plattform */
+	/* asm __volatile__ (".p2align 4\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop"); */
+        for (int k = 0; k < (C->ncols % m4ri_radix); ++k) {
+          b = B->rows[m4ri_radix * eol + k];
+          parity[k] = a[0] & b[0];
+          for (wi_t ii = 1; ii < A->width; ++ii)
+            parity[k] ^= a[ii] & b[ii];
+        }
+        c[eol] ^= m4ri_parity64(parity) & mask_end;
+      }
+    }
+  }
+
+  for (rci_t i = C->nrows - (C->nrows % blocksize); i < C->nrows; ++i) {
+    a = A->rows[i];
+    c = C->rows[i];
+    for (rci_t j = 0; j < m4ri_radix * eol; j += m4ri_radix) {
+      for (int k = 0; k < m4ri_radix; ++k) {
+        b = B->rows[j+k];
+        parity[k] = a[0] & b[0];
+        for (wi_t ii = wide - 1; ii >= 1; --ii)
+          parity[k] ^= a[ii] & b[ii];
+      }
+      c[j/m4ri_radix] ^= m4ri_parity64(parity);
+    }
+    
+    if (eol != C->width) {
+      word const mask_end = C->high_bitmask;
+      /* improves performance on x86_64 but is not cross plattform */
+      /* asm __volatile__ (".p2align 4\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop"); */
+      for (int k = 0; k < (C->ncols % m4ri_radix); ++k) {
+        b = B->rows[m4ri_radix * eol + k];
+        parity[k] = a[0] & b[0];
+        for (wi_t ii = 1; ii < A->width; ++ii)
+          parity[k] ^= a[ii] & b[ii];
+      }
+      c[eol] ^= m4ri_parity64(parity) & mask_end;
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *_mzd_mul_va(mzd_t *C, mzd_t const *v, mzd_t const *A, int const clear) {
+  if(clear)
+    mzd_set_ui(C, 0);
+
+  rci_t const m = v->nrows;
+  rci_t const n = v->ncols;
+  
+  for(rci_t i = 0; i < m; ++i)
+    for(rci_t j = 0; j < n; ++j)
+      if (mzd_read_bit(v,i,j))
+        mzd_combine(C,i,0, C,i,0, A,j,0);
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+void mzd_randomize(mzd_t *A) {
+  wi_t const width = A->width - 1;
+  word const mask_end = A->high_bitmask;
+  for(rci_t i = 0; i < A->nrows; ++i) {
+    for(wi_t j = 0; j < width; ++j)
+      A->rows[i][j] = m4ri_random_word();
+    A->rows[i][width] ^= (A->rows[i][width] ^ m4ri_random_word()) & mask_end;
+  }
+
+  __M4RI_DD_MZD(A);
+}
+
+void mzd_set_ui( mzd_t *A, unsigned int value) {
+  word const mask_end = A->high_bitmask;
+  
+  for (rci_t i = 0; i < A->nrows; ++i) {
+    word *row = A->rows[i];
+    for(wi_t j = 0; j < A->width - 1; ++j)
+      row[j] = 0;
+    row[A->width - 1] &= ~mask_end;
+  }
+
+  if(value % 2 == 0) {
+    __M4RI_DD_MZD(A);
+    return;
+  }
+
+  rci_t const stop = MIN(A->nrows, A->ncols);
+  for (rci_t i = 0; i < stop; ++i) {
+    mzd_write_bit(A, i, i, 1);
+  }
+
+  __M4RI_DD_MZD(A);
+}
+
+int mzd_equal(mzd_t const *A, mzd_t const *B) {
+  if (A->nrows != B->nrows) return FALSE;
+  if (A->ncols != B->ncols) return FALSE;
+  if (A == B) return TRUE;
+
+  wi_t Awidth = A->width - 1;
+  
+  for (rci_t i = 0; i < A->nrows; ++i) {
+    for (wi_t j = 0; j < Awidth; ++j) {
+      if (A->rows[i][j] != B->rows[i][j])
+        return FALSE;
+    }
+  }
+
+  word const mask_end = A->high_bitmask;
+  for (rci_t i = 0; i < A->nrows; ++i) {
+    if (((A->rows[i][Awidth] ^ B->rows[i][Awidth]) & mask_end))
+      return FALSE;
+  }
+  return TRUE;
+}
+
+int mzd_cmp(mzd_t const *A, mzd_t const *B) {
+  if(A->nrows < B->nrows) return -1;
+  if(B->nrows < A->nrows) return 1;
+  if(A->ncols < B->ncols) return -1;
+  if(B->ncols < A->ncols) return 1;
+
+  const word mask_end   = A->high_bitmask;
+  const wi_t n = A->width-1;
+
+  /* Columns with large index are "larger", but rows with small index
+     are more important than with large index. */
+
+  for(rci_t i=0; i<A->nrows; i++) {
+    if ((A->rows[i][n]&mask_end) < (B->rows[i][n]&mask_end))
+      return -1;
+    else if ((A->rows[i][n]&mask_end) > (B->rows[i][n]&mask_end))
+      return 1;
+
+    for(wi_t j=n-1; j>=0; j--) {
+      if (A->rows[i][j] < B->rows[i][j])
+        return -1;
+      else if (A->rows[i][j] > B->rows[i][j])
+        return 1;
+    }
+  }
+  return 0;
+}
+
+mzd_t *mzd_copy(mzd_t *N, mzd_t const *P) {
+  if (N == P)
+    return N;
+
+  if (N == NULL) {
+    N = mzd_init(P->nrows, P->ncols);
+  } else {
+    if (N->nrows < P->nrows || N->ncols < P->ncols)
+      m4ri_die("mzd_copy: Target matrix is too small.");
+  }
+  word *p_truerow, *n_truerow;
+  wi_t const wide = P->width - 1;
+  word mask_end = P->high_bitmask;
+  for (rci_t i = 0; i < P->nrows; ++i) {
+    p_truerow = P->rows[i];
+    n_truerow = N->rows[i];
+    for (wi_t j = 0; j < wide; ++j)
+      n_truerow[j] = p_truerow[j];
+    n_truerow[wide] = (n_truerow[wide] & ~mask_end) | (p_truerow[wide] & mask_end);
+  }
+  __M4RI_DD_MZD(N);
+  return N;
+}
+
+/* This is sometimes called augment */
+mzd_t *mzd_concat(mzd_t *C, mzd_t const *A, mzd_t const *B) {
+  if (A->nrows != B->nrows) {
+    m4ri_die("mzd_concat: Bad arguments to concat!\n");
+  }
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows, A->ncols + B->ncols);
+  } else if (C->nrows != A->nrows || C->ncols != (A->ncols + B->ncols)) {
+    m4ri_die("mzd_concat: C has wrong dimension!\n");
+  }
+
+  for (rci_t i = 0; i < A->nrows; ++i) {
+    word *dst_truerow = C->rows[i];
+    word *src_truerow = A->rows[i];
+    for (wi_t j = 0; j < A->width; ++j) {
+      dst_truerow[j] = src_truerow[j];
+    }
+  }
+
+  for (rci_t i = 0; i < B->nrows; ++i) {
+    for (rci_t j = 0; j < B->ncols; ++j) {
+      mzd_write_bit(C, i, j + A->ncols, mzd_read_bit(B, i, j));
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *mzd_stack(mzd_t *C, mzd_t const *A, mzd_t const *B) {
+  if (A->ncols != B->ncols) {
+    m4ri_die("mzd_stack: A->ncols (%d) != B->ncols (%d)!\n", A->ncols, B->ncols);
+  }
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows + B->nrows, A->ncols);
+  } else if (C->nrows != (A->nrows + B->nrows) || C->ncols != A->ncols) {
+    m4ri_die("mzd_stack: C has wrong dimension!\n");
+  }
+  
+  for(rci_t i = 0; i < A->nrows; ++i) {
+    word *src_truerow = A->rows[i];
+    word *dst_truerow = C->rows[i];
+    for (wi_t j = 0; j < A->width; ++j) {
+      dst_truerow[j] = src_truerow[j]; 
+    }
+  }
+
+  for(rci_t i = 0; i < B->nrows; ++i) {
+    word *dst_truerow = C->rows[A->nrows + i];
+    word *src_truerow = B->rows[i];
+    for (wi_t j = 0; j < B->width; ++j) {
+      dst_truerow[j] = src_truerow[j]; 
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *mzd_invert_naive(mzd_t *INV, mzd_t const *A, mzd_t const *I) {
+  mzd_t *H;
+
+  H = mzd_concat(NULL, A, I);
+
+  rci_t x = mzd_echelonize_naive(H, TRUE);
+
+  if (x == 0) { 
+    mzd_free(H); 
+    return NULL; 
+  }
+  
+  INV = mzd_submatrix(INV, H, 0, A->ncols, A->nrows, 2 * A->ncols);
+
+  mzd_free(H);
+
+  __M4RI_DD_MZD(INV);
+  return INV;
+}
+
+mzd_t *mzd_add(mzd_t *ret, mzd_t const *left, mzd_t const *right) {
+  if (left->nrows != right->nrows || left->ncols != right->ncols) {
+    m4ri_die("mzd_add: rows and columns must match.\n");
+  }
+  if (ret == NULL) {
+    ret = mzd_init(left->nrows, left->ncols);
+  } else if (ret != left) {
+    if (ret->nrows != left->nrows || ret->ncols != left->ncols) {
+      m4ri_die("mzd_add: rows and columns of returned matrix must match.\n");
+    }
+  }
+  return _mzd_add(ret, left, right);
+}
+
+mzd_t *_mzd_add(mzd_t *C, mzd_t const *A, mzd_t const *B) {
+  rci_t const nrows = MIN(MIN(A->nrows, B->nrows), C->nrows);
+
+  if (C == B) { //swap
+    mzd_t const *tmp = A;
+    A = B;
+    B = tmp;
+  }
+
+  word const mask_end = C->high_bitmask;
+
+  switch(A->width) {
+  case 0:
+    return C;
+  case 1:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] ^= ((A->rows[i][0] ^ B->rows[i][0] ^ C->rows[i][0]) & mask_end);
+    }
+    break;
+  case 2:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] ^= ((A->rows[i][1] ^ B->rows[i][1] ^ C->rows[i][1]) & mask_end);
+    }
+    break;
+  case 3:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] ^= ((A->rows[i][2] ^ B->rows[i][2] ^ C->rows[i][2]) & mask_end);
+    }
+    break;
+  case 4:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] = A->rows[i][2] ^ B->rows[i][2];
+      C->rows[i][3] ^= ((A->rows[i][3] ^ B->rows[i][3] ^ C->rows[i][3]) & mask_end);
+    }
+    break;
+  case 5:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] = A->rows[i][2] ^ B->rows[i][2];
+      C->rows[i][3] = A->rows[i][3] ^ B->rows[i][3];
+      C->rows[i][4] ^= ((A->rows[i][4] ^ B->rows[i][4] ^ C->rows[i][4]) & mask_end);
+    }
+    break;
+  case 6:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] = A->rows[i][2] ^ B->rows[i][2];
+      C->rows[i][3] = A->rows[i][3] ^ B->rows[i][3];
+      C->rows[i][4] = A->rows[i][4] ^ B->rows[i][4];
+      C->rows[i][5] ^= ((A->rows[i][5] ^ B->rows[i][5] ^ C->rows[i][5]) & mask_end);
+    }
+    break;
+  case 7:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] = A->rows[i][2] ^ B->rows[i][2];
+      C->rows[i][3] = A->rows[i][3] ^ B->rows[i][3];
+      C->rows[i][4] = A->rows[i][4] ^ B->rows[i][4];
+      C->rows[i][5] = A->rows[i][5] ^ B->rows[i][5];
+      C->rows[i][6] ^= ((A->rows[i][6] ^ B->rows[i][6] ^ C->rows[i][6]) & mask_end);
+    }
+    break;
+  case 8:
+    for(rci_t i = 0; i < nrows; ++i) {
+      C->rows[i][0] = A->rows[i][0] ^ B->rows[i][0];
+      C->rows[i][1] = A->rows[i][1] ^ B->rows[i][1];
+      C->rows[i][2] = A->rows[i][2] ^ B->rows[i][2];
+      C->rows[i][3] = A->rows[i][3] ^ B->rows[i][3];
+      C->rows[i][4] = A->rows[i][4] ^ B->rows[i][4];
+      C->rows[i][5] = A->rows[i][5] ^ B->rows[i][5];
+      C->rows[i][6] = A->rows[i][6] ^ B->rows[i][6];
+      C->rows[i][7] ^= ((A->rows[i][7] ^ B->rows[i][7] ^ C->rows[i][7]) & mask_end);
+    }
+    break;
+
+  default:
+    for(rci_t i = 0; i < nrows; ++i) {
+      mzd_combine_even(C,i,0, A,i,0, B,i,0);
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *mzd_submatrix(mzd_t *S, mzd_t const *M, rci_t const startrow, rci_t const startcol, rci_t const endrow, rci_t const endcol) {
+  rci_t const nrows = endrow - startrow;
+  rci_t const ncols = endcol - startcol;
+
+  if (S == NULL) {
+    S = mzd_init(nrows, ncols);
+  } else if( (S->nrows < nrows) | (S->ncols < ncols) ) {
+    m4ri_die("mzd_submatrix: got S with dimension %d x %d but expected %d x %d\n", S->nrows, S->ncols, nrows, ncols);
+  }
+
+  if (startcol % m4ri_radix == 0) {
+
+    wi_t const startword = startcol / m4ri_radix;
+    /* we start at the beginning of a word */
+    if(ncols / m4ri_radix != 0) {
+      for(rci_t x = startrow, i = 0; i < nrows; ++i, ++x) {
+        memcpy(S->rows[i], M->rows[x] + startword, sizeof(word) * (ncols / m4ri_radix));
+      }
+    }
+    if (ncols % m4ri_radix) {
+      word const mask_end = __M4RI_LEFT_BITMASK(ncols % m4ri_radix);
+      for(rci_t x = startrow, i = 0; i < nrows; ++i, ++x) {
+        /* process remaining bits */
+        word temp = M->rows[x][startword + ncols / m4ri_radix] & mask_end;
+        S->rows[i][ncols / m4ri_radix] = temp;
+      } 
+    }
+  } else {
+    wi_t j;
+    for(rci_t i=0; i<nrows; i++) {
+      for(j=0; j+m4ri_radix<=ncols; j+=m4ri_radix)
+        S->rows[i][j/m4ri_radix] = mzd_read_bits(M, startrow+i, startcol+j, m4ri_radix);
+      S->rows[i][j/m4ri_radix] &= ~S->high_bitmask;
+      S->rows[i][j/m4ri_radix] |= mzd_read_bits(M, startrow+i, startcol+j, ncols - j) & S->high_bitmask;
+    }
+  }
+  __M4RI_DD_MZD(S);
+  return S;
+}
+
+void mzd_col_swap(mzd_t *M, rci_t const cola, rci_t const colb) {
+  if (cola == colb)
+    return;
+
+  rci_t const _cola = cola;
+  rci_t const _colb = colb;
+
+  wi_t const a_word = _cola / m4ri_radix;
+  wi_t const b_word = _colb / m4ri_radix;
+
+  int const a_bit = _cola % m4ri_radix;
+  int const b_bit = _colb % m4ri_radix;
+
+  word* RESTRICT ptr = mzd_first_row(M);
+  int max_bit = MAX(a_bit, b_bit);
+  int count = mzd_rows_in_block(M, 0);
+  assert(count > 0);
+  int min_bit = a_bit + b_bit - max_bit;
+  int block = 0;
+  int offset = max_bit - min_bit;
+  word mask = m4ri_one << min_bit;
+
+  if (a_word == b_word) {
+    while(1) {
+      ptr += a_word;
+      int fast_count = count / 4;
+      int rest_count = count - 4 * fast_count;
+      word xor[4];
+      wi_t const rowstride = M->rowstride;
+      while (fast_count--) {
+	xor[0] = ptr[0];
+	xor[1] = ptr[rowstride];
+	xor[2] = ptr[2 * rowstride];
+	xor[3] = ptr[3 * rowstride];
+	xor[0] ^= xor[0] >> offset;
+	xor[1] ^= xor[1] >> offset;
+	xor[2] ^= xor[2] >> offset;
+	xor[3] ^= xor[3] >> offset;
+	xor[0] &= mask;
+	xor[1] &= mask;
+	xor[2] &= mask;
+	xor[3] &= mask;
+	xor[0] |= xor[0] << offset;
+	xor[1] |= xor[1] << offset;
+	xor[2] |= xor[2] << offset;
+	xor[3] |= xor[3] << offset;
+	ptr[0] ^= xor[0];
+	ptr[rowstride] ^= xor[1];
+	ptr[2 * rowstride] ^= xor[2];
+	ptr[3 * rowstride] ^= xor[3];
+	ptr += 4 * rowstride;
+      }
+      while (rest_count--) {
+	word xor = *ptr;
+	xor ^= xor >> offset;
+	xor &= mask;
+	*ptr ^= xor | (xor << offset);
+	ptr += rowstride;
+      }
+      if ((count = mzd_rows_in_block(M, ++block)) <= 0)
+	break;
+      ptr = mzd_first_row_next_block(M, block);
+    }
+  } else {
+    word* RESTRICT min_ptr;
+    wi_t max_offset;
+    if (min_bit == a_bit) {
+      min_ptr = ptr + a_word;
+      max_offset = b_word - a_word;
+    } else {
+      min_ptr = ptr + b_word;
+      max_offset = a_word - b_word;
+    }
+    while(1) {
+      wi_t const rowstride = M->rowstride;
+      while(count--) {
+	word xor = (min_ptr[0] ^ (min_ptr[max_offset] >> offset)) & mask;
+	min_ptr[0] ^= xor;
+	min_ptr[max_offset] ^= xor << offset;
+	min_ptr += rowstride;
+      }
+      if ((count = mzd_rows_in_block(M, ++block)) <= 0)
+	break;
+      ptr = mzd_first_row_next_block(M, block);
+      if (min_bit == a_bit)
+	min_ptr = ptr + a_word;
+      else
+	min_ptr = ptr + b_word;
+    }
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+int mzd_is_zero(mzd_t const *A) {
+  word status = 0;
+  word mask_end = A->high_bitmask;
+  for (rci_t i = 0; i < A->nrows; ++i) {
+    for (wi_t j = 0; j < A->width - 1; ++j)
+      status |= A->rows[i][j];
+    status |= A->rows[i][A->width - 1] & mask_end;
+    if(status)
+      return 0;
+  }
+  return !status;
+}
+
+void mzd_copy_row(mzd_t *B, rci_t i, mzd_t const *A, rci_t j) {
+  assert(B->ncols >= A->ncols);
+  wi_t const width = MIN(B->width, A->width) - 1;
+
+  word const *a = A->rows[j];
+  word *b = B->rows[i];
+ 
+  word const mask_end = __M4RI_LEFT_BITMASK(A->ncols % m4ri_radix);
+
+  if (width != 0) {
+    for(wi_t k = 0; k < width; ++k)
+      b[k] = a[k];
+    b[width] = (b[width] & ~mask_end) | (a[width] & mask_end);
+    
+  } else {
+    b[0] = b[0] | (a[0]& mask_end) | (b[0] & ~mask_end);
+  }
+
+  __M4RI_DD_ROW(B, i);
+}
+
+
+int mzd_find_pivot(mzd_t const *A, rci_t start_row, rci_t start_col, rci_t *r, rci_t *c) {
+  rci_t const nrows = A->nrows;
+  rci_t const ncols = A->ncols;
+  word data = 0;
+  rci_t row_candidate = 0;
+  if(A->ncols - start_col < m4ri_radix) {
+    for(rci_t j = start_col; j < A->ncols; j += m4ri_radix) {
+      int const length = MIN(m4ri_radix, ncols - j);
+      for(rci_t i = start_row; i < nrows; ++i) {
+        word const curr_data = mzd_read_bits(A, i, j, length);
+        if (m4ri_lesser_LSB(curr_data, data)) {
+          row_candidate = i;
+          data = curr_data;
+        }
+      }
+      if(data) {
+        *r = row_candidate;
+        for(int l = 0; l < length; ++l) {
+          if(__M4RI_GET_BIT(data, l)) {
+            *c = j + l;
+            break;
+          }
+        }
+	__M4RI_DD_RCI(*r);
+	__M4RI_DD_RCI(*c);
+	__M4RI_DD_INT(1);
+        return 1;
+      }
+    }
+  } else {
+    /* we definitely have more than one word */
+    /* handle first word */
+    int const bit_offset = (start_col % m4ri_radix);
+    wi_t const word_offset = start_col / m4ri_radix;
+    word const mask_begin = __M4RI_RIGHT_BITMASK(m4ri_radix-bit_offset);
+    for(rci_t i = start_row; i < nrows; ++i) {
+      word const curr_data = A->rows[i][word_offset] & mask_begin;
+      if (m4ri_lesser_LSB(curr_data, data)) {
+        row_candidate = i;
+        data = curr_data;
+        if(__M4RI_GET_BIT(data,bit_offset)) {
+          break;
+        }
+      }
+    }
+    if(data) {
+      *r = row_candidate;
+      data >>= bit_offset;
+      assert(data);
+      for(int l = 0; l < (m4ri_radix - bit_offset); ++l) {
+        if(__M4RI_GET_BIT(data, l)) {
+          *c = start_col + l;
+          break;
+        }
+      }
+      __M4RI_DD_RCI(*r);
+      __M4RI_DD_RCI(*c);
+      __M4RI_DD_INT(1);
+      return 1;
+    }
+    /* handle complete words */
+    for(wi_t wi = word_offset + 1; wi < A->width - 1; ++wi) {
+      for(rci_t i = start_row; i < nrows; ++i) {
+        word const curr_data = A->rows[i][wi];
+        if (m4ri_lesser_LSB(curr_data, data)) {
+          row_candidate = i;
+          data = curr_data;
+          if(__M4RI_GET_BIT(data, 0))
+            break;
+        }
+      }
+      if(data) {
+        *r = row_candidate;
+        for(int l = 0; l < m4ri_radix; ++l) {
+          if(__M4RI_GET_BIT(data, l)) {
+            *c = wi * m4ri_radix + l;
+            break;
+          }
+        }
+	__M4RI_DD_RCI(*r);
+	__M4RI_DD_RCI(*c);
+	__M4RI_DD_INT(1);
+        return 1;
+      }
+    }
+    /* handle last word */
+    int const end_offset = (A->ncols % m4ri_radix) ? (A->ncols % m4ri_radix) : m4ri_radix;
+    word const mask_end = __M4RI_LEFT_BITMASK(end_offset % m4ri_radix);
+    wi_t wi = A->width - 1;
+    for(rci_t i = start_row; i < nrows; ++i) {
+      word const curr_data = A->rows[i][wi] & mask_end;
+      if (m4ri_lesser_LSB(curr_data, data)) {
+        row_candidate = i;
+        data = curr_data;
+        if(__M4RI_GET_BIT(data,0))
+          break;
+      }
+    }
+    if(data) {
+      *r = row_candidate;
+      for(int l = 0; l < end_offset; ++l) {
+        if(__M4RI_GET_BIT(data, l)) {
+          *c = wi * m4ri_radix + l;
+          break;
+        }
+      }
+      __M4RI_DD_RCI(*r);
+      __M4RI_DD_RCI(*c);
+      __M4RI_DD_INT(1);
+      return 1;
+    }
+  }
+  __M4RI_DD_RCI(*r);
+  __M4RI_DD_RCI(*c);
+  __M4RI_DD_INT(0);
+  return 0;
+}
+
+
+#define MASK(c)    (((uint64_t)(-1)) / (__M4RI_TWOPOW(__M4RI_TWOPOW(c)) + 1))
+#define COUNT(x,c) ((x) & MASK(c)) + (((x) >> (__M4RI_TWOPOW(c))) & MASK(c))
+
+static inline int m4ri_bitcount(word w)  {
+   uint64_t n = __M4RI_CONVERT_TO_UINT64_T(w);
+   n = COUNT(n, 0);
+   n = COUNT(n, 1);
+   n = COUNT(n, 2);
+   n = COUNT(n, 3);
+   n = COUNT(n, 4);
+   n = COUNT(n, 5);
+   return (int)n;
+}
+
+
+double _mzd_density(mzd_t const *A, wi_t res, rci_t r, rci_t c) {
+  size_t count = 0;
+  size_t total = 0;
+  
+  if(A->width == 1) {
+    for(rci_t i = r; i < A->nrows; ++i)
+      for(rci_t j = c; j < A->ncols; ++j)
+        if(mzd_read_bit(A, i, j))
+          ++count;
+    return ((double)count)/(1.0 * A->ncols * A->nrows);
+  }
+
+  if(res == 0)
+    res = A->width / 100;
+  if (res < 1)
+    res = 1;
+
+  for(rci_t i = r; i < A->nrows; ++i) {
+    word *truerow = A->rows[i];
+    for(rci_t j = c; j < m4ri_radix; ++j)
+      if(mzd_read_bit(A, i, j))
+        ++count;
+    total += m4ri_radix;
+
+    for(wi_t j = MAX(1, c / m4ri_radix); j < A->width - 1; j += res) {
+      count += m4ri_bitcount(truerow[j]);
+      total += m4ri_radix;
+    }
+    for(int j = 0; j < A->ncols % m4ri_radix; ++j)
+      if(mzd_read_bit(A, i, m4ri_radix * (A->ncols / m4ri_radix) + j))
+        ++count;
+    total += A->ncols % m4ri_radix;
+  }
+
+  return (double)count / total;
+}
+
+double mzd_density(mzd_t const *A, wi_t res) {
+  return _mzd_density(A, res, 0, 0);
+}
+
+rci_t mzd_first_zero_row(mzd_t const *A) {
+  word const mask_end = __M4RI_LEFT_BITMASK(A->ncols % m4ri_radix);
+  wi_t const end = A->width - 1;
+  word *row;
+
+  for(rci_t i = A->nrows - 1; i >= 0; --i) {
+    row = A->rows[i];
+    word tmp = row[0];
+    for (wi_t j = 1; j < end; ++j)
+      tmp |= row[j];
+    tmp |= row[end] & mask_end;
+    if(tmp) {
+      __M4RI_DD_INT(i + 1);
+      return i + 1;
+    }
+  }
+  __M4RI_DD_INT(0);
+  return 0;
+}
+
+mzd_t *mzd_extract_u(mzd_t *U, mzd_t const *A) {
+  rci_t k = MIN(A->nrows, A->ncols);
+  if (U == NULL)
+    U = mzd_submatrix(NULL, A, 0, 0, k, k);
+  else
+    assert(U->nrows == k && U->ncols == k);
+  for(rci_t i=1; i<U->nrows; i++) {
+    for(wi_t j=0; j<i/m4ri_radix; j++) {
+      U->rows[i][j] = 0;
+    }
+    if(i%m4ri_radix)
+      mzd_clear_bits(U, i, (i/m4ri_radix)*m4ri_radix, i%m4ri_radix);
+  }
+  return U;
+}
+
+mzd_t *mzd_extract_l(mzd_t *L, mzd_t const *A) {
+  rci_t k = MIN(A->nrows, A->ncols);
+  if (L == NULL)
+    L = mzd_submatrix(NULL, A, 0, 0, k, k);
+  else
+    assert(L->nrows == k && L->ncols == k);
+  for(rci_t i=0; i<L->nrows-1; i++) {
+    if(m4ri_radix - (i+1)%m4ri_radix)
+      mzd_clear_bits(L, i, i+1, m4ri_radix - (i+1)%m4ri_radix);
+    for(wi_t j=(i/m4ri_radix+1); j<L->width; j++) {
+      L->rows[i][j] = 0;
+    }
+  }
+  return L;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.h
new file mode 100644
index 0000000..d395a6e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.h
@@ -0,0 +1,1313 @@
+/**
+ * \file mzd.h
+ * \brief Dense matrices over GF(2) represented as a bit field.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <martinralbrecht+m4ri@googlemail.com>
+ * \author Carlo Wood <carlo@alinoe.com>
+ */
+
+#ifndef M4RI_MZD
+#define M4RI_MZD
+
+/*******************************************************************
+*
+*                M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
+*    Copyright (C) 2008-2013 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*    Copyright (C) 2011 Carlo Wood <carlo@alinoe.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <m4ri/m4ri_config.h>
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+
+#if __M4RI_HAVE_SSE2
+#include <emmintrin.h>
+#endif
+
+#include <m4ri/misc.h>
+#include <m4ri/debug_dump.h>
+
+/**
+ * Maximum number of words allocated for one mzd_t block.
+ *
+ * \note This value must fit in an int, even though it's type is size_t.
+ */
+
+#define __M4RI_MAX_MZD_BLOCKSIZE (((size_t)1) << 27)
+
+/**
+ * \brief Matrix multiplication block-ing dimension.
+ * 
+ * Defines the number of rows of the matrix A that are
+ * processed as one block during the execution of a multiplication
+ * algorithm.
+ */
+
+#define __M4RI_MUL_BLOCKSIZE MIN(((int)sqrt((double)(4 * __M4RI_CPU_L3_CACHE))) / 2, 2048)
+
+/**
+ * \brief Data containers containing the values packed into words
+ */
+ 
+typedef struct {
+  size_t size; /*!< number of words */
+  word* begin; /*!< first word */
+  word* end; /*!< last word */
+} mzd_block_t;
+
+/**
+ * \brief Dense matrices over GF(2). 
+ * 
+ * The most fundamental data type in this library.
+ */
+
+typedef struct mzd_t {
+
+  rci_t nrows;  /*!< Number of rows. */ 
+  rci_t ncols;  /*!< Number of columns. */
+  wi_t  width;  /*!< Number of words with valid bits: width = ceil(ncols / m4ri_radix) */
+
+  /**
+   * Offset in words between rows.
+   *
+   * rowstride = (width < mzd_paddingwidth || (width & 1) == 0) ? width : width + 1;
+   * where width is the width of the underlying non-windowed matrix.
+   */
+
+  wi_t rowstride;
+
+  /**
+   * Offset in words from start of block to first word.
+   *
+   * rows[0] = blocks[0].begin + offset_vector;
+   * This, together with rowstride, makes the rows array obsolete.
+   */
+
+  wi_t offset_vector;
+
+  wi_t row_offset;   /*!< Number of rows to the first row counting from the start of the first block. */
+
+  /**
+   * Booleans to speed up things.
+   *
+   * The bits have the following meaning:
+   *
+   * 1: Has non-zero excess.
+   * 2: Is windowed, but has zero offset.
+   * 3: Is windowed, but has zero excess.
+   * 4: Is windowed, but owns the blocks allocations.
+   * 5: Spans more than 1 block.
+   */
+
+  uint8_t flags;
+
+  /**
+   * blockrows_log = log2(blockrows);
+   * where blockrows is the number of rows in one block, which is a power of 2.
+   */
+
+  uint8_t blockrows_log;
+
+  word high_bitmask;    /*!< Mask for valid bits in the word with the highest index (width - 1). */
+  mzd_block_t *blocks;  /*!< Pointers to the actual blocks of memory containing the values packed into words. */
+  word   **rows;        /*!< Address of first word in each row, so the first word of row i is is m->rows[i] */
+  uint64_t dummy;       /*!< ensures sizeof(mzd_t) == 64 */
+
+} mzd_t;
+
+/**
+ * \brief The minimum width where padding occurs.
+ */
+static wi_t const mzd_paddingwidth = 1;
+
+/**
+ * \brief flag when ncols%64 == 0
+ */
+
+static uint8_t const mzd_flag_nonzero_excess = 0x2;
+
+/**
+ * \brief flag for windowed matrix
+ */
+
+static uint8_t const mzd_flag_windowed_zerooffset = 0x4;
+
+/**
+ * \brief flag for windowed matrix where ncols%64 == 0
+ */
+
+static uint8_t const mzd_flag_windowed_zeroexcess = 0x8;
+
+/**
+ * \brief flag for windowed matrix wich owns its memory
+ */
+
+static uint8_t const mzd_flag_windowed_ownsblocks = 0x10;
+
+/**
+ * \brief flag for multiply blocks
+ */
+
+static uint8_t const mzd_flag_multiple_blocks = 0x20;
+
+/**
+ * \brief Test if a matrix is windowed.
+ *
+ * \param M Matrix
+ *
+ * \return a non-zero value if the matrix is windowed, otherwise return zero.
+ */
+static inline int mzd_is_windowed(mzd_t const *M) {
+  return M->flags & (mzd_flag_windowed_zerooffset);
+}
+
+/**
+ * \brief Test if this mzd_t should free blocks.
+ *
+ * \param M Matrix
+ *
+ * \return TRUE iff blocks is non-zero and should be freed upon a call to mzd_free.
+ */
+static inline int mzd_owns_blocks(mzd_t const *M) {
+  return M->blocks && (!mzd_is_windowed(M) || ((M->flags & mzd_flag_windowed_ownsblocks)));
+}
+
+/**
+ * \brief Get a pointer the first word.
+ *
+ * \param M Matrix
+ *
+ * \return a pointer to the first word of the first row.
+ */
+
+static inline word* mzd_first_row(mzd_t const *M) {
+  word* result = M->blocks[0].begin + M->offset_vector;
+  assert(M->nrows == 0 || result == M->rows[0]);
+  return result;
+}
+
+/**
+ * \brief Get a pointer to the first word in block n.
+ *
+ * Use mzd_first_row for block number 0.
+ *
+ * \param M Matrix
+ * \param n The block number. Must be larger than 0.
+ *
+ * \return a pointer to the first word of the first row in block n.
+ */
+static inline word* mzd_first_row_next_block(mzd_t const* M, int n) {
+  assert(n > 0);
+  return M->blocks[n].begin + M->offset_vector - M->row_offset * M->rowstride;
+}
+
+/**
+ * \brief Convert row to blocks index.
+ *
+ * \param M Matrix.
+ * \param row The row to convert.
+ *
+ * \return the block number that contains this row.
+ */
+
+static inline int mzd_row_to_block(mzd_t const* M, rci_t row) {
+  return (M->row_offset + row) >> M->blockrows_log;
+}
+
+/**
+ * \brief Total number of rows in this block.
+ *
+ * Should be called with a constant n=0, or with
+ * n > 0 when n is a variable, for optimization
+ * reasons.
+ *
+ * \param M Matrix
+ * \param n The block number.
+ *
+ * \return the total number of rows in this block.
+ */
+
+static inline wi_t mzd_rows_in_block(mzd_t const* M, int n) {
+  if (__M4RI_UNLIKELY(M->flags & mzd_flag_multiple_blocks)) {
+    if (__M4RI_UNLIKELY(n == 0)) {
+      return (1 << M->blockrows_log) - M->row_offset;
+    } else {
+      int const last_block = mzd_row_to_block(M, M->nrows - 1); 
+      if (n < last_block)
+	return (1 << M->blockrows_log);
+      return M->nrows + M->row_offset - (n << M->blockrows_log);
+    }
+  }
+  return n ? 0 : M->nrows;
+}
+
+/**
+ * \brief Number of rows in this block including r
+ *
+ * \param M Matrix
+ * \param r row
+ *
+ * \return the number of rows with index >= r in this block
+ */
+
+static inline wi_t mzd_remaining_rows_in_block(mzd_t const* M, rci_t r) {
+  const int n = mzd_row_to_block(M, r);
+  r = (r  - (n << M->blockrows_log));
+  if (__M4RI_UNLIKELY(M->flags & mzd_flag_multiple_blocks)) {
+    if (__M4RI_UNLIKELY(n == 0)) {
+      return (1 << M->blockrows_log) - M->row_offset - r;
+    } else {
+      int const last_block = mzd_row_to_block(M, M->nrows - 1);
+      if (n < last_block)
+	return (1 << M->blockrows_log) - r;
+      return M->nrows + M->row_offset - (n << M->blockrows_log) - r;
+    }
+  }
+  return n ? 0 : M->nrows - r;
+}
+
+/**
+ * \brief Get pointer to first word of row.
+ *
+ * \param M Matrix
+ * \param row The row index.
+ *
+ * \return pointer to first word of the row.
+ */
+
+static inline word* mzd_row(mzd_t const* M, rci_t row) {
+  wi_t big_vector = M->offset_vector + row * M->rowstride;
+  word* result = M->blocks[0].begin + big_vector;
+  if (__M4RI_UNLIKELY(M->flags & mzd_flag_multiple_blocks)) {
+    int const n = (M->row_offset + row) >> M->blockrows_log;
+    result = M->blocks[n].begin + big_vector - n * (M->blocks[0].size / sizeof(word));
+  }
+  assert(result == M->rows[row]);
+  return result;
+}
+
+/**
+ * \brief Create a new matrix of dimension r x c.
+ *
+ * Use mzd_free to kill it.
+ *
+ * \param r Number of rows
+ * \param c Number of columns
+ *
+ */
+
+mzd_t *mzd_init(rci_t const r, rci_t const c);
+
+/**
+ * \brief Free a matrix created with mzd_init.
+ * 
+ * \param A Matrix
+ */
+
+void mzd_free(mzd_t *A);
+
+
+/**
+ * \brief Create a window/view into the matrix M.
+ *
+ * A matrix window for M is a meta structure on the matrix M. It is
+ * setup to point into the matrix so M \em must \em not be freed while the
+ * matrix window is used.
+ *
+ * This function puts the restriction on the provided parameters that
+ * all parameters must be within range for M which is not enforced
+ * currently .
+ *
+ * Use mzd_free_window to free the window.
+ *
+ * \param M Matrix
+ * \param lowr Starting row (inclusive)
+ * \param lowc Starting column (inclusive, must be multiple of m4ri_radix)
+ * \param highr End row (exclusive)
+ * \param highc End column (exclusive)
+ *
+ */
+
+mzd_t *mzd_init_window(mzd_t *M, rci_t const lowr, rci_t const lowc, rci_t const highr, rci_t const highc);
+
+/**
+ * \brief Create a const window/view into a const matrix M.
+ *
+ * See mzd_init_window, but for constant M.
+ */
+
+static inline mzd_t const *mzd_init_window_const(mzd_t const *M, rci_t const lowr, rci_t const lowc, rci_t const highr, rci_t const highc)
+{
+  return mzd_init_window((mzd_t*)M, lowr, lowc, highr, highc);
+}
+
+/**
+ * \brief Free a matrix window created with mzd_init_window.
+ * 
+ * \param A Matrix
+ */
+
+#define mzd_free_window mzd_free
+
+/**
+ * \brief Swap the two rows rowa and rowb starting at startblock.
+ * 
+ * \param M Matrix with a zero offset.
+ * \param rowa Row index.
+ * \param rowb Row index.
+ * \param startblock Start swapping only in this block.
+ */
+ 
+static inline void _mzd_row_swap(mzd_t *M, rci_t const rowa, rci_t const rowb, wi_t const startblock) {
+  if ((rowa == rowb) || (startblock >= M->width))
+    return;
+
+  wi_t width = M->width - startblock - 1;
+  word *a = M->rows[rowa] + startblock;
+  word *b = M->rows[rowb] + startblock;
+  word tmp; 
+  word const mask_end = M->high_bitmask;
+
+  for(wi_t i = 0; i < width; ++i) {
+    tmp = a[i];
+    a[i] = b[i];
+    b[i] = tmp;
+  }
+  tmp = (a[width] ^ b[width]) & mask_end;
+  a[width] ^= tmp;
+  b[width] ^= tmp;
+
+  __M4RI_DD_ROW(M, rowa);
+  __M4RI_DD_ROW(M, rowb);
+}
+
+/**
+ * \brief Swap the two rows rowa and rowb.
+ * 
+ * \param M Matrix
+ * \param rowa Row index.
+ * \param rowb Row index.
+ */
+ 
+static inline void mzd_row_swap(mzd_t *M, rci_t const rowa, rci_t const rowb) {
+  _mzd_row_swap(M, rowa, rowb, 0);
+}
+
+/**
+ * \brief copy row j from A to row i from B.
+ *
+ * The offsets of A and B must match and the number of columns of A
+ * must be less than or equal to the number of columns of B.
+ *
+ * \param B Target matrix.
+ * \param i Target row index.
+ * \param A Source matrix.
+ * \param j Source row index.
+ */
+
+void mzd_copy_row(mzd_t *B, rci_t i, mzd_t const *A, rci_t j);
+
+/**
+ * \brief Swap the two columns cola and colb.
+ * 
+ * \param M Matrix.
+ * \param cola Column index.
+ * \param colb Column index.
+ */
+ 
+void mzd_col_swap(mzd_t *M, rci_t const cola, rci_t const colb);
+
+/**
+ * \brief Swap the two columns cola and colb but only between start_row and stop_row.
+ * 
+ * \param M Matrix.
+ * \param cola Column index.
+ * \param colb Column index.
+ * \param start_row Row index.
+ * \param stop_row Row index (exclusive).
+ */
+ 
+static inline void mzd_col_swap_in_rows(mzd_t *M, rci_t const cola, rci_t const colb, rci_t const start_row, rci_t const stop_row) {
+  if (cola == colb)
+    return;
+
+  rci_t const _cola = cola;
+  rci_t const _colb = colb;
+
+  wi_t const a_word = _cola / m4ri_radix;
+  wi_t const b_word = _colb / m4ri_radix;
+
+  int const a_bit = _cola % m4ri_radix;
+  int const b_bit = _colb % m4ri_radix;
+
+  word* RESTRICT ptr = mzd_row(M, start_row);
+  int max_bit = MAX(a_bit, b_bit);
+  int count_remaining = stop_row - start_row;
+  int min_bit = a_bit + b_bit - max_bit;
+  int block   = mzd_row_to_block(M, start_row);
+  int offset  = max_bit - min_bit;
+  word mask   = m4ri_one << min_bit;
+  int count   = MIN(mzd_remaining_rows_in_block(M, start_row), count_remaining);
+
+  // Apparently we're calling with start_row == stop_row sometimes (seems a bug to me).
+  if (count <= 0)
+    return;
+
+  if (a_word == b_word) {
+    while(1) {
+      count_remaining -= count;
+      ptr += a_word;
+      int fast_count = count / 4;
+      int rest_count = count - 4 * fast_count;
+      word xor_v[4];
+      wi_t const rowstride = M->rowstride;
+      while (fast_count--) {
+	xor_v[0] = ptr[0];
+	xor_v[1] = ptr[rowstride];
+	xor_v[2] = ptr[2 * rowstride];
+	xor_v[3] = ptr[3 * rowstride];
+	xor_v[0] ^= xor_v[0] >> offset;
+	xor_v[1] ^= xor_v[1] >> offset;
+	xor_v[2] ^= xor_v[2] >> offset;
+	xor_v[3] ^= xor_v[3] >> offset;
+	xor_v[0] &= mask;
+	xor_v[1] &= mask;
+	xor_v[2] &= mask;
+	xor_v[3] &= mask;
+	xor_v[0] |= xor_v[0] << offset;
+	xor_v[1] |= xor_v[1] << offset;
+	xor_v[2] |= xor_v[2] << offset;
+	xor_v[3] |= xor_v[3] << offset;
+	ptr[0] ^= xor_v[0];
+	ptr[rowstride] ^= xor_v[1];
+	ptr[2 * rowstride] ^= xor_v[2];
+	ptr[3 * rowstride] ^= xor_v[3];
+	ptr += 4 * rowstride;
+      }
+      while (rest_count--) {
+	word xor_v = *ptr;
+	xor_v ^= xor_v >> offset;
+	xor_v &= mask;
+	*ptr ^= xor_v | (xor_v << offset);
+	ptr += rowstride;
+      }
+      block++;
+      if ((count = MIN(mzd_rows_in_block(M, block), count_remaining)) <= 0)
+	break;
+      ptr = mzd_first_row_next_block(M, block);
+    }
+  } else {
+    word* RESTRICT min_ptr;
+    wi_t max_offset;
+    if (min_bit == a_bit) {
+      min_ptr = ptr + a_word;
+      max_offset = b_word - a_word;
+    } else {
+      min_ptr = ptr + b_word;
+      max_offset = a_word - b_word;
+    }
+    while(1) {
+      count_remaining -= count;
+      wi_t const rowstride = M->rowstride;
+      while(count--) {
+	word xor_v = (min_ptr[0] ^ (min_ptr[max_offset] >> offset)) & mask;
+	min_ptr[0] ^= xor_v;
+	min_ptr[max_offset] ^= xor_v << offset;
+	min_ptr += rowstride;
+      }
+      block++;
+      if ((count = MIN(mzd_rows_in_block(M,+block), count_remaining)) <= 0)
+	break;
+      ptr = mzd_first_row_next_block(M, block);
+      if (min_bit == a_bit)
+	min_ptr = ptr + a_word;
+      else
+	min_ptr = ptr + b_word;
+    }
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+/**
+ * \brief Read the bit at position M[row,col].
+ *
+ * \param M Matrix
+ * \param row Row index
+ * \param col Column index
+ *
+ * \note No bounds checks whatsoever are performed.
+ *
+ */
+
+static inline BIT mzd_read_bit(mzd_t const *M, rci_t const row, rci_t const col ) {
+  return __M4RI_GET_BIT(M->rows[row][col/m4ri_radix], col%m4ri_radix);
+}
+
+/**
+ * \brief Write the bit value to position M[row,col]
+ * 
+ * \param M Matrix
+ * \param row Row index
+ * \param col Column index
+ * \param value Either 0 or 1 
+ *
+ * \note No bounds checks whatsoever are performed.
+ *
+ */
+
+static inline void mzd_write_bit(mzd_t *M, rci_t const row, rci_t const col, BIT const value) {
+  __M4RI_WRITE_BIT(M->rows[row][col/m4ri_radix], col%m4ri_radix, value);
+}
+
+
+/**
+ * \brief XOR n bits from values to M starting a position (x,y).
+ *
+ * \param M Source matrix.
+ * \param x Starting row.
+ * \param y Starting column.
+ * \param n Number of bits (<= m4ri_radix);
+ * \param values Word with values;
+ */
+
+static inline void mzd_xor_bits(mzd_t const *M, rci_t const x, rci_t const y, int const n, word values) {
+  int const spot   = y % m4ri_radix;
+  wi_t const block = y / m4ri_radix;
+  M->rows[x][block] ^= values << spot;
+  int const space = m4ri_radix - spot;
+  if (n > space)
+    M->rows[x][block + 1] ^= values >> space;
+}
+
+/**
+ * \brief AND n bits from values to M starting a position (x,y).
+ *
+ * \param M Source matrix.
+ * \param x Starting row.
+ * \param y Starting column.
+ * \param n Number of bits (<= m4ri_radix);
+ * \param values Word with values;
+ */
+
+static inline void mzd_and_bits(mzd_t const *M, rci_t const x, rci_t const y, int const n, word values) {
+  /* This is the best way, since this will drop out once we inverse the bits in values: */
+  values >>= (m4ri_radix - n);	/* Move the bits to the lowest columns */
+
+  int const spot   = y % m4ri_radix;
+  wi_t const block = y / m4ri_radix;
+  M->rows[x][block] &= values << spot;
+  int const space = m4ri_radix - spot;
+  if (n > space)
+    M->rows[x][block + 1] &= values >> space;
+}
+
+/**
+ * \brief Clear n bits in M starting a position (x,y).
+ *
+ * \param M Source matrix.
+ * \param x Starting row.
+ * \param y Starting column.
+ * \param n Number of bits (0 < n <= m4ri_radix);
+ */
+
+static inline void mzd_clear_bits(mzd_t const *M, rci_t const x, rci_t const y, int const n) {
+  assert(n>0 && n <= m4ri_radix);
+  word values = m4ri_ffff >> (m4ri_radix - n);
+  int const spot   = y % m4ri_radix;
+  wi_t const block = y / m4ri_radix;
+  M->rows[x][block] &= ~(values << spot);
+  int const space = m4ri_radix - spot;
+  if (n > space)
+    M->rows[x][block + 1] &= ~(values >> space);
+}
+
+/**
+ * \brief Add the rows sourcerow and destrow and stores the total in the row
+ * destrow, but only begins at the column coloffset.
+ *
+ * \param M Matrix
+ * \param dstrow Index of target row
+ * \param srcrow Index of source row
+ * \param coloffset Start column (0 <= coloffset < M->ncols)
+ *
+ * \warning This function expects that there is at least one word worth of work.
+ */
+
+static inline void mzd_row_add_offset(mzd_t *M, rci_t dstrow, rci_t srcrow, rci_t coloffset) {
+  assert(dstrow < M->nrows && srcrow < M->nrows && coloffset < M->ncols);
+  wi_t const startblock= coloffset/m4ri_radix;
+  wi_t wide = M->width - startblock;
+  word *src = M->rows[srcrow] + startblock;
+  word *dst = M->rows[dstrow] + startblock;
+  word const mask_begin = __M4RI_RIGHT_BITMASK(m4ri_radix - coloffset % m4ri_radix);
+  word const mask_end   = M->high_bitmask;
+
+  *dst++ ^= *src++ & mask_begin;
+  --wide;
+
+#if __M4RI_HAVE_SSE2 
+  int not_aligned = __M4RI_ALIGNMENT(src,16) != 0;	/* 0: Aligned, 1: Not aligned */
+  if (wide > not_aligned + 1)				/* Speed up for small matrices */
+  {
+    if (not_aligned) {
+      *dst++ ^= *src++;
+      --wide;
+    }
+    /* Now wide > 1 */
+    __m128i* __src = (__m128i*)src;
+    __m128i* __dst = (__m128i*)dst;
+    __m128i* const eof = (__m128i*)((unsigned long)(src + wide) & ~0xFUL);
+    do
+    {
+      __m128i xmm1 = _mm_xor_si128(*__dst, *__src);
+      *__dst++ = xmm1;
+    }
+    while(++__src < eof);
+    src  = (word*)__src;
+    dst = (word*)__dst;
+    wide = ((sizeof(word)*wide)%16)/sizeof(word);
+  }
+#endif
+  wi_t i = -1;
+  while(++i < wide)
+    dst[i] ^= src[i];
+  /* 
+   * Revert possibly non-zero excess bits.
+   * Note that i == wide here, and wide can be 0.
+   * But really, src[wide - 1] is M->rows[srcrow][M->width - 1] ;)
+   * We use i - 1 here to let the compiler know these are the same addresses
+   * that we last accessed, in the previous loop.
+   */
+  dst[i - 1] ^= src[i - 1] & ~mask_end;
+
+  __M4RI_DD_ROW(M, dstrow);
+}
+
+/**
+ * \brief Add the rows sourcerow and destrow and stores the total in
+ * the row destrow.
+ *
+ * \param M Matrix
+ * \param sourcerow Index of source row
+ * \param destrow Index of target row
+ *
+ * \note this can be done much faster with mzd_combine.
+ */
+
+void mzd_row_add(mzd_t *M, rci_t const sourcerow, rci_t const destrow);
+
+/**
+ * \brief Transpose a matrix.
+ *
+ * This function uses the fact that:
+\verbatim
+   [ A B ]T    [AT CT]
+   [ C D ]  =  [BT DT] 
+ \endverbatim 
+ * and thus rearranges the blocks recursively. 
+ *
+ * \param DST Preallocated return matrix, may be NULL for automatic creation.
+ * \param A Matrix
+ */
+
+mzd_t *mzd_transpose(mzd_t *DST, mzd_t const *A);
+
+/**
+ * \brief Naive cubic matrix multiplication.
+ *
+ * That is, compute C such that C == AB.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A.
+ * \param B Input matrix B.
+ *
+ * \note Normally, if you will multiply several times by b, it is
+ * smarter to calculate bT yourself, and keep it, and then use the
+ * function called _mzd_mul_naive
+ *
+ */
+mzd_t *mzd_mul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Naive cubic matrix multiplication and addition
+ *
+ * That is, compute C such that C == C + AB.
+ *
+ * \param C Preallocated product matrix.
+ * \param A Input matrix A.
+ * \param B Input matrix B.
+ *
+ * \note Normally, if you will multiply several times by b, it is
+ * smarter to calculate bT yourself, and keep it, and then use the
+ * function called _mzd_mul_naive
+ */
+
+mzd_t *mzd_addmul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Naive cubic matrix multiplication with the pre-transposed B.
+ *
+ * That is, compute C such that C == AB^t.
+ *
+ * \param C Preallocated product matrix.
+ * \param A Input matrix A.
+ * \param B Pre-transposed input matrix B.
+ * \param clear Whether to clear C before accumulating AB
+ */
+
+mzd_t *_mzd_mul_naive(mzd_t *C, mzd_t const *A, mzd_t const *B, int const clear);
+
+/**
+ * \brief Matrix multiplication optimized for v*A where v is a vector.
+ *
+ * \param C Preallocated product matrix.
+ * \param v Input matrix v.
+ * \param A Input matrix A.
+ * \param clear If set clear C first, otherwise add result to C.
+ *
+ */
+mzd_t *_mzd_mul_va(mzd_t *C, mzd_t const *v, mzd_t const *A, int const clear);
+
+/**
+ * \brief Fill matrix M with uniformly distributed bits.
+ *
+ * \param M Matrix
+ *
+ * \todo Allow the user to provide a RNG callback.
+ */
+
+void mzd_randomize(mzd_t *M);
+
+/**
+ * \brief Set the matrix M to the value equivalent to the integer
+ * value provided.
+ *
+ * Specifically, this function does nothing if value%2 == 0 and
+ * returns the identity matrix if value%2 == 1.
+ *
+ * If the matrix is not square then the largest possible square
+ * submatrix is set to the identity matrix.
+ *
+ * \param M Matrix
+ * \param value Either 0 or 1
+ */
+
+void mzd_set_ui(mzd_t *M, unsigned int const value);
+
+/**
+ * \brief Gaussian elimination.
+ * 
+ * This will do Gaussian elimination on the matrix m but will start
+ * not at column 0 necc but at column startcol. If full=FALSE, then it
+ * will do triangular style elimination, and if full=TRUE, it will do
+ * Gauss-Jordan style, or full elimination.
+ * 
+ * \param M Matrix
+ * \param startcol First column to consider for reduction.
+ * \param full Gauss-Jordan style or upper triangular form only.
+ */
+
+rci_t mzd_gauss_delayed(mzd_t *M, rci_t const startcol, int const full);
+
+/**
+ * \brief Gaussian elimination.
+ * 
+ * This will do Gaussian elimination on the matrix m.  If full=FALSE,
+ *  then it will do triangular style elimination, and if full=TRUE,
+ *  it will do Gauss-Jordan style, or full elimination.
+ *
+ * \param M Matrix
+ * \param full Gauss-Jordan style or upper triangular form only.
+ *
+ * \sa mzd_echelonize_m4ri(), mzd_echelonize_pluq()
+ */
+
+rci_t mzd_echelonize_naive(mzd_t *M, int const full);
+
+/**
+ * \brief Return TRUE if A == B.
+ *
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+int mzd_equal(mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Return -1,0,1 if if A < B, A == B or A > B respectively.
+ *
+ * \param A Matrix.
+ * \param B Matrix.
+ *
+ * \note This comparison is not well defined mathematically and
+ * relatively arbitrary since elements of GF(2) don't have an
+ * ordering.
+ */
+
+int mzd_cmp(mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Copy matrix  A to DST.
+ *
+ * \param DST May be NULL for automatic creation.
+ * \param A Source matrix.
+ */
+
+mzd_t *mzd_copy(mzd_t *DST, mzd_t const *A);
+
+/**
+ * \brief Concatenate B to A and write the result to C.
+ * 
+ * That is,
+ *
+ \verbatim
+ [ A ], [ B ] -> [ A  B ] = C
+ \endverbatim
+ *
+ * The inputs are not modified but a new matrix is created.
+ *
+ * \param C Matrix, may be NULL for automatic creation
+ * \param A Matrix
+ * \param B Matrix
+ *
+ * \note This is sometimes called augment.
+ */
+
+mzd_t *mzd_concat(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Stack A on top of B and write the result to C.
+ *
+ * That is, 
+ *
+ \verbatim
+ [ A ], [ B ] -> [ A ] = C
+                 [ B ]
+ \endverbatim
+ *
+ * The inputs are not modified but a new matrix is created.
+ *
+ * \param C Matrix, may be NULL for automatic creation
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+mzd_t *mzd_stack(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Copy a submatrix.
+ * 
+ * Note that the upper bounds are not included.
+ *
+ * \param S Preallocated space for submatrix, may be NULL for automatic creation.
+ * \param M Matrix
+ * \param lowr start rows
+ * \param lowc start column
+ * \param highr stop row (this row is \em not included)
+ * \param highc stop column (this column is \em not included)
+ */
+mzd_t *mzd_submatrix(mzd_t *S, mzd_t const *M, rci_t const lowr, rci_t const lowc, rci_t const highr, rci_t const highc);
+
+/**
+ * \brief Invert the matrix target using Gaussian elimination. 
+ *
+ * To avoid recomputing the identity matrix over and over again, I may
+ * be passed in as identity parameter.
+ *
+ * \param INV Preallocated space for inversion matrix, may be NULL for automatic creation.
+ * \param A Matrix to be reduced.
+ * \param I Identity matrix.
+ */
+
+mzd_t *mzd_invert_naive(mzd_t *INV, mzd_t const *A, mzd_t const *I);
+
+/**
+ * \brief Set C = A+B.
+ *
+ * C is also returned. If C is NULL then a new matrix is created which
+ * must be freed by mzd_free.
+ *
+ * \param C Preallocated sum matrix, may be NULL for automatic creation.
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+mzd_t *mzd_add(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Same as mzd_add but without any checks on the input.
+ *
+ * \param C Preallocated sum matrix, may be NULL for automatic creation.
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+mzd_t *_mzd_add(mzd_t *C, mzd_t const *A, mzd_t const *B);
+
+/**
+ * \brief Same as mzd_add.
+ *
+ * \param C Preallocated difference matrix, may be NULL for automatic creation.
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+#define mzd_sub mzd_add
+
+/**
+ * \brief Same as mzd_sub but without any checks on the input.
+ *
+ * \param C Preallocated difference matrix, may be NULL for automatic creation.
+ * \param A Matrix
+ * \param B Matrix
+ */
+
+#define _mzd_sub _mzd_add
+
+
+
+/**
+ * Get n bits starting a position (x,y) from the matrix M.
+ *
+ * \param M Source matrix.
+ * \param x Starting row.
+ * \param y Starting column.
+ * \param n Number of bits (<= m4ri_radix);
+ */ 
+
+static inline word mzd_read_bits(mzd_t const *M, rci_t const x, rci_t const y, int const n) {
+  int const spot   = y % m4ri_radix;
+  wi_t const block = y / m4ri_radix;
+  int const spill = spot + n - m4ri_radix;
+  word temp = (spill <= 0) ? M->rows[x][block] << -spill : (M->rows[x][block + 1] << (m4ri_radix - spill)) | (M->rows[x][block] >> spill);
+  return temp >> (m4ri_radix - n);
+}
+
+
+/**
+ * \brief a_row[a_startblock:] += b_row[b_startblock:] for offset 0
+ * 
+ * Adds a_row of A, starting with a_startblock to the end, to
+ * b_row of B, starting with b_startblock to the end. This gets stored
+ * in A, in a_row, starting with a_startblock.
+ *
+ * \param A destination matrix
+ * \param a_row destination row for matrix C
+ * \param a_startblock starting block to work on in matrix C
+ * \param B source matrix
+ * \param b_row source row for matrix B
+ * \param b_startblock starting block to work on in matrix B
+ *
+ */
+
+static inline void mzd_combine_even_in_place(mzd_t *A,       rci_t const a_row, wi_t const a_startblock,
+                                             mzd_t const *B, rci_t const b_row, wi_t const b_startblock) {
+
+  wi_t wide = A->width - a_startblock - 1;
+
+  word *a = A->rows[a_row] + a_startblock;
+  word *b = B->rows[b_row] + b_startblock;
+  
+#if __M4RI_HAVE_SSE2
+  if(wide > 2) {
+    /** check alignments **/
+    if (__M4RI_ALIGNMENT(a,16)) {
+      *a++ ^= *b++;
+      wide--;
+    }
+    
+    if (__M4RI_ALIGNMENT(a, 16) == 0 && __M4RI_ALIGNMENT(b, 16) == 0) {
+      __m128i *a128 = (__m128i*)a;
+      __m128i *b128 = (__m128i*)b;
+      const __m128i *eof = (__m128i*)((unsigned long)(a + wide) & ~0xFUL);
+      
+      do {
+        *a128 = _mm_xor_si128(*a128, *b128);
+        ++b128;
+        ++a128;
+      } while(a128 < eof);
+      
+      a = (word*)a128;
+      b = (word*)b128;
+      wide = ((sizeof(word) * wide) % 16) / sizeof(word);
+    }
+  }
+#endif // __M4RI_HAVE_SSE2
+
+  if (wide > 0) {
+    wi_t n = (wide + 7) / 8;
+    switch (wide % 8) {
+    case 0: do { *(a++) ^= *(b++);
+    case 7:      *(a++) ^= *(b++);
+    case 6:      *(a++) ^= *(b++);
+    case 5:      *(a++) ^= *(b++);
+    case 4:      *(a++) ^= *(b++);
+    case 3:      *(a++) ^= *(b++);
+    case 2:      *(a++) ^= *(b++);
+    case 1:      *(a++) ^= *(b++);
+    } while (--n > 0);
+    }
+  }
+
+  *a ^= *b & A->high_bitmask;
+
+  __M4RI_DD_MZD(A);
+}
+
+
+/**
+ * \brief c_row[c_startblock:] = a_row[a_startblock:] + b_row[b_startblock:] for offset 0
+ * 
+ * Adds a_row of A, starting with a_startblock to the end, to
+ * b_row of B, starting with b_startblock to the end. This gets stored
+ * in C, in c_row, starting with c_startblock.
+ *
+ * \param C destination matrix
+ * \param c_row destination row for matrix C
+ * \param c_startblock starting block to work on in matrix C
+ * \param A source matrix
+ * \param a_row source row for matrix A
+ * \param a_startblock starting block to work on in matrix A
+ * \param B source matrix
+ * \param b_row source row for matrix B
+ * \param b_startblock starting block to work on in matrix B
+ *
+ */
+
+static inline void mzd_combine_even(mzd_t *C,       rci_t const c_row, wi_t const c_startblock,
+                                    mzd_t const *A, rci_t const a_row, wi_t const a_startblock, 
+                                    mzd_t const *B, rci_t const b_row, wi_t const b_startblock) {
+
+  wi_t wide = A->width - a_startblock - 1;
+  word *a = A->rows[a_row] + a_startblock;
+  word *b = B->rows[b_row] + b_startblock;
+  word *c = C->rows[c_row] + c_startblock;
+  
+#if __M4RI_HAVE_SSE2
+  if(wide > 2) {
+    /** check alignments **/
+    if (__M4RI_ALIGNMENT(a,16)) {
+      *c++ = *b++ ^ *a++;
+      wide--;
+    }
+      
+    if ( (__M4RI_ALIGNMENT(b, 16) | __M4RI_ALIGNMENT(c, 16)) == 0) {
+      __m128i *a128 = (__m128i*)a;
+      __m128i *b128 = (__m128i*)b;
+      __m128i *c128 = (__m128i*)c;
+      const __m128i *eof = (__m128i*)((unsigned long)(a + wide) & ~0xFUL);
+      
+      do {
+        *c128 = _mm_xor_si128(*a128, *b128);
+        ++c128;
+        ++b128;
+        ++a128;
+      } while(a128 < eof);
+      
+      a = (word*)a128;
+      b = (word*)b128;
+      c = (word*)c128;
+      wide = ((sizeof(word) * wide) % 16) / sizeof(word);
+    }
+  }
+#endif // __M4RI_HAVE_SSE2
+
+  if (wide > 0) {
+    wi_t n = (wide + 7) / 8;
+    switch (wide % 8) {
+    case 0: do { *(c++) = *(a++) ^ *(b++);
+    case 7:      *(c++) = *(a++) ^ *(b++);
+    case 6:      *(c++) = *(a++) ^ *(b++);
+    case 5:      *(c++) = *(a++) ^ *(b++);
+    case 4:      *(c++) = *(a++) ^ *(b++);
+    case 3:      *(c++) = *(a++) ^ *(b++);
+    case 2:      *(c++) = *(a++) ^ *(b++);
+    case 1:      *(c++) = *(a++) ^ *(b++);
+    } while (--n > 0);
+    }
+  }
+  *c ^= ((*a ^ *b ^ *c) & C->high_bitmask);
+
+  __M4RI_DD_MZD(C);
+}
+
+
+/**
+ * \brief row3[col3:] = row1[col1:] + row2[col2:]
+ * 
+ * Adds row1 of SC1, starting with startblock1 to the end, to
+ * row2 of SC2, starting with startblock2 to the end. This gets stored
+ * in DST, in row3, starting with startblock3.
+ *
+ * \param C destination matrix
+ * \param c_row destination row for matrix dst
+ * \param c_startblock starting block to work on in matrix dst
+ * \param A source matrix
+ * \param a_row source row for matrix sc1
+ * \param a_startblock starting block to work on in matrix sc1
+ * \param B source matrix
+ * \param b_row source row for matrix sc2
+ * \param b_startblock starting block to work on in matrix sc2
+ *
+ */
+static inline void mzd_combine(mzd_t *C,       rci_t const c_row, wi_t const c_startblock,
+                               mzd_t const *A, rci_t const a_row, wi_t const a_startblock, 
+                               mzd_t const *B, rci_t const b_row, wi_t const b_startblock) {
+
+  if( (C == A) & (a_row == c_row) & (a_startblock == c_startblock) )
+    mzd_combine_even_in_place(C, c_row, c_startblock, B, b_row, b_startblock);
+  else
+    mzd_combine_even(C, c_row, c_startblock, A, a_row, a_startblock, B, b_row, b_startblock);
+  return;
+}
+
+/**
+ * \brief Get n bits starting a position (x,y) from the matrix M.
+ *
+ * This function is in principle the same as mzd_read_bits,
+ * but it explicitely returns an 'int' and is used as
+ * index into an array (Gray code).
+ */ 
+
+static inline int mzd_read_bits_int(mzd_t const *M, rci_t const x, rci_t const y, int const n) {
+  return __M4RI_CONVERT_TO_INT(mzd_read_bits(M, x, y, n));
+}
+
+
+/**
+ * \brief Zero test for matrix.
+ *
+ * \param A Input matrix.
+ *
+ */
+int mzd_is_zero(mzd_t const *A);
+
+/**
+ * \brief Clear the given row, but only begins at the column coloffset.
+ *
+ * \param M Matrix
+ * \param row Index of row
+ * \param coloffset Column offset
+ */
+
+void mzd_row_clear_offset(mzd_t *M, rci_t const row, rci_t const coloffset);
+
+/**
+ * \brief Find the next nonzero entry in M starting at start_row and start_col. 
+ *
+ * This function walks down rows in the inner loop and columns in the
+ * outer loop. If a nonzero entry is found this function returns 1 and
+ * zero otherwise.
+ *
+ * If and only if a nonzero entry is found r and c are updated.
+ *
+ * \param M Matrix
+ * \param start_row Index of row where to start search
+ * \param start_col Index of column where to start search
+ * \param r Row index updated if pivot is found
+ * \param c Column index updated if pivot is found
+ */
+
+int mzd_find_pivot(mzd_t const *M, rci_t start_row, rci_t start_col, rci_t *r, rci_t *c);
+
+
+/**
+ * \brief Return the number of nonzero entries divided by nrows *
+ * ncols
+ *
+ * If res = 0 then 100 samples per row are made, if res > 0 the
+ * function takes res sized steps within each row (res = 1 uses every
+ * word).
+ *
+ * \param A Matrix
+ * \param res Resolution of sampling (in words)
+ */
+
+double mzd_density(mzd_t const *A, wi_t res);
+
+/**
+ * \brief Return the number of nonzero entries divided by nrows *
+ * ncols considering only the submatrix starting at (r,c).
+ *
+ * If res = 0 then 100 samples per row are made, if res > 0 the
+ * function takes res sized steps within each row (res = 1 uses every
+ * word).
+ *
+ * \param A Matrix
+ * \param res Resolution of sampling (in words)
+ * \param r Row to start counting
+ * \param c Column to start counting
+ */
+
+double _mzd_density(mzd_t const *A, wi_t res, rci_t r, rci_t c);
+
+
+/**
+ * \brief Return the first row with all zero entries.
+ *
+ * If no such row can be found returns nrows.
+ *
+ * \param A Matrix
+ */
+
+rci_t mzd_first_zero_row(mzd_t const *A);
+
+/**
+ * \brief Return hash value for matrix.
+ *
+ * \param A Matrix
+ */
+
+static inline word mzd_hash(mzd_t const *A) {
+  word hash = 0;
+  for (rci_t r = 0; r < A->nrows; ++r)
+    hash ^= rotate_word(calculate_hash(A->rows[r], A->width), r % m4ri_radix);
+  return hash;
+}
+
+/**
+ * Return upper triangular submatrix of A
+ *
+ * \param U Output matrix, if NULL a new matrix will be returned
+ * \param A Source matrix
+ *
+ * \return U
+ */
+
+mzd_t *mzd_extract_u(mzd_t *U, mzd_t const *A);
+
+/**
+ * Return lower triangular submatrix of A
+ *
+ * \param L Output matrix, if NULL a new matrix will be returned
+ * \param A Source matrix
+ *
+ * \return L
+ */
+
+mzd_t *mzd_extract_l(mzd_t *L, mzd_t const *A);
+
+#endif // M4RI_MZD
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.lo
new file mode 100644
index 0000000..c2bbc72
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.lo
@@ -0,0 +1,12 @@
+# m4ri/mzd.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/mzd.o'
+
+# Name of the non-PIC object
+non_pic_object='mzd.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.o
new file mode 100644
index 0000000..4cc197b
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzd.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.c
new file mode 100644
index 0000000..fb6b0e0
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.c
@@ -0,0 +1,462 @@
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Martin Albrecht <malb@informatik.uni-bremen.de> 
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "mzp.h"
+#include "mzd.h"
+
+mzp_t *mzp_init(rci_t length) {
+  mzp_t *P = (mzp_t*)m4ri_mm_malloc(sizeof(mzp_t));
+  P->values = (rci_t*)m4ri_mm_malloc(sizeof(rci_t) * length);
+  P->length = length;
+  for (rci_t i = 0; i < length; ++i) {
+    P->values[i] = i;
+  }
+  return P;
+}
+
+void mzp_free(mzp_t *P) {
+  m4ri_mm_free(P->values);
+  m4ri_mm_free(P);
+}
+
+mzp_t *mzp_init_window(mzp_t *P, rci_t begin, rci_t end){
+  mzp_t *window = (mzp_t *)m4ri_mm_malloc(sizeof(mzp_t));
+  window->values = P->values + begin;
+  window->length = end - begin;
+  __M4RI_DD_MZP(window);
+  return window;
+}
+
+void mzp_free_window(mzp_t *condemned){
+  m4ri_mm_free(condemned);
+}
+
+mzp_t *mzp_copy(mzp_t *P, const mzp_t *Q) {
+  if(P == NULL)
+    P = mzp_init(Q->length);
+  for(rci_t i=0; i<Q->length; i++)
+    P->values[i] = Q->values[i];
+  return P;
+}
+
+void mzp_set_ui(mzp_t *P, unsigned int value) {
+  assert(value == 1);
+  for (rci_t i = 0; i < P->length; ++i) {
+    P->values[i] = i;
+  }
+}
+
+void mzd_apply_p_left(mzd_t *A, mzp_t const *P) {
+  if(A->ncols == 0)
+    return;
+  rci_t const length = MIN(P->length, A->nrows);
+  for (rci_t i = 0; i < length; ++i) {
+    assert(P->values[i] >= i);
+    mzd_row_swap(A, i, P->values[i]);
+  }
+}
+
+void mzd_apply_p_left_trans(mzd_t *A, mzp_t const *P) {
+  if(A->ncols == 0)
+    return;
+  rci_t const length = MIN(P->length, A->nrows);
+  for (rci_t i = length - 1; i >= 0; --i) {
+    assert(P->values[i] >= i);
+    mzd_row_swap(A, i, P->values[i]);
+  }
+}
+
+/* optimised column swap operations */
+
+static inline void mzd_write_col_to_rows_blockd(mzd_t *A, mzd_t const *B, rci_t const *permutation, word const *write_mask, rci_t const start_row, rci_t const stop_row, rci_t length) {
+  for(rci_t i = 0; i < length; i += m4ri_radix) {
+    /* optimisation for identity permutations */
+    if (write_mask[i / m4ri_radix] == m4ri_ffff)
+      continue;
+    int const todo = MIN(m4ri_radix, length - i);
+    wi_t const a_word = i / m4ri_radix;
+    wi_t words[m4ri_radix];
+    int bits[m4ri_radix];
+    word bitmasks[m4ri_radix];
+
+    /* we pre-compute bit access in advance */
+    for(int k = 0; k < todo; ++k) {
+        rci_t const colb = permutation[i + k];
+        words[k] = colb / m4ri_radix;
+        bits[k] = colb % m4ri_radix;
+        bitmasks[k] = m4ri_one << bits[k];
+    }
+
+    for (rci_t r = start_row; r < stop_row; ++r) {
+      word const *Brow = B->rows[r-start_row];
+      word *Arow = A->rows[r];
+      register word value = 0;
+
+      /* we gather the bits in a register word */
+      switch(todo-1) {
+      case 63: value |= ((Brow[words[63]] & bitmasks[63]) >> bits[63]) << 63;
+      case 62: value |= ((Brow[words[62]] & bitmasks[62]) >> bits[62]) << 62;
+      case 61: value |= ((Brow[words[61]] & bitmasks[61]) >> bits[61]) << 61;
+      case 60: value |= ((Brow[words[60]] & bitmasks[60]) >> bits[60]) << 60;
+      case 59: value |= ((Brow[words[59]] & bitmasks[59]) >> bits[59]) << 59;
+      case 58: value |= ((Brow[words[58]] & bitmasks[58]) >> bits[58]) << 58;
+      case 57: value |= ((Brow[words[57]] & bitmasks[57]) >> bits[57]) << 57;
+      case 56: value |= ((Brow[words[56]] & bitmasks[56]) >> bits[56]) << 56;
+      case 55: value |= ((Brow[words[55]] & bitmasks[55]) >> bits[55]) << 55;
+      case 54: value |= ((Brow[words[54]] & bitmasks[54]) >> bits[54]) << 54;
+      case 53: value |= ((Brow[words[53]] & bitmasks[53]) >> bits[53]) << 53;
+      case 52: value |= ((Brow[words[52]] & bitmasks[52]) >> bits[52]) << 52;
+      case 51: value |= ((Brow[words[51]] & bitmasks[51]) >> bits[51]) << 51;
+      case 50: value |= ((Brow[words[50]] & bitmasks[50]) >> bits[50]) << 50;
+      case 49: value |= ((Brow[words[49]] & bitmasks[49]) >> bits[49]) << 49;
+      case 48: value |= ((Brow[words[48]] & bitmasks[48]) >> bits[48]) << 48;
+      case 47: value |= ((Brow[words[47]] & bitmasks[47]) >> bits[47]) << 47;
+      case 46: value |= ((Brow[words[46]] & bitmasks[46]) >> bits[46]) << 46;
+      case 45: value |= ((Brow[words[45]] & bitmasks[45]) >> bits[45]) << 45;
+      case 44: value |= ((Brow[words[44]] & bitmasks[44]) >> bits[44]) << 44;
+      case 43: value |= ((Brow[words[43]] & bitmasks[43]) >> bits[43]) << 43;
+      case 42: value |= ((Brow[words[42]] & bitmasks[42]) >> bits[42]) << 42;
+      case 41: value |= ((Brow[words[41]] & bitmasks[41]) >> bits[41]) << 41;
+      case 40: value |= ((Brow[words[40]] & bitmasks[40]) >> bits[40]) << 40;
+      case 39: value |= ((Brow[words[39]] & bitmasks[39]) >> bits[39]) << 39;
+      case 38: value |= ((Brow[words[38]] & bitmasks[38]) >> bits[38]) << 38;
+      case 37: value |= ((Brow[words[37]] & bitmasks[37]) >> bits[37]) << 37;
+      case 36: value |= ((Brow[words[36]] & bitmasks[36]) >> bits[36]) << 36;
+      case 35: value |= ((Brow[words[35]] & bitmasks[35]) >> bits[35]) << 35;
+      case 34: value |= ((Brow[words[34]] & bitmasks[34]) >> bits[34]) << 34;
+      case 33: value |= ((Brow[words[33]] & bitmasks[33]) >> bits[33]) << 33;
+      case 32: value |= ((Brow[words[32]] & bitmasks[32]) >> bits[32]) << 32;
+      case 31: value |= ((Brow[words[31]] & bitmasks[31]) >> bits[31]) << 31;
+      case 30: value |= ((Brow[words[30]] & bitmasks[30]) >> bits[30]) << 30;
+      case 29: value |= ((Brow[words[29]] & bitmasks[29]) >> bits[29]) << 29;
+      case 28: value |= ((Brow[words[28]] & bitmasks[28]) >> bits[28]) << 28;
+      case 27: value |= ((Brow[words[27]] & bitmasks[27]) >> bits[27]) << 27;
+      case 26: value |= ((Brow[words[26]] & bitmasks[26]) >> bits[26]) << 26;
+      case 25: value |= ((Brow[words[25]] & bitmasks[25]) >> bits[25]) << 25;
+      case 24: value |= ((Brow[words[24]] & bitmasks[24]) >> bits[24]) << 24;
+      case 23: value |= ((Brow[words[23]] & bitmasks[23]) >> bits[23]) << 23;
+      case 22: value |= ((Brow[words[22]] & bitmasks[22]) >> bits[22]) << 22;
+      case 21: value |= ((Brow[words[21]] & bitmasks[21]) >> bits[21]) << 21;
+      case 20: value |= ((Brow[words[20]] & bitmasks[20]) >> bits[20]) << 20;
+      case 19: value |= ((Brow[words[19]] & bitmasks[19]) >> bits[19]) << 19;
+      case 18: value |= ((Brow[words[18]] & bitmasks[18]) >> bits[18]) << 18;
+      case 17: value |= ((Brow[words[17]] & bitmasks[17]) >> bits[17]) << 17;
+      case 16: value |= ((Brow[words[16]] & bitmasks[16]) >> bits[16]) << 16;
+      case 15: value |= ((Brow[words[15]] & bitmasks[15]) >> bits[15]) << 15;
+      case 14: value |= ((Brow[words[14]] & bitmasks[14]) >> bits[14]) << 14;
+      case 13: value |= ((Brow[words[13]] & bitmasks[13]) >> bits[13]) << 13;
+      case 12: value |= ((Brow[words[12]] & bitmasks[12]) >> bits[12]) << 12;
+      case 11: value |= ((Brow[words[11]] & bitmasks[11]) >> bits[11]) << 11;
+      case 10: value |= ((Brow[words[10]] & bitmasks[10]) >> bits[10]) << 10;
+      case  9: value |= ((Brow[words[ 9]] & bitmasks[ 9]) >> bits[ 9]) <<  9;
+      case  8: value |= ((Brow[words[ 8]] & bitmasks[ 8]) >> bits[ 8]) <<  8;
+      case  7: value |= ((Brow[words[ 7]] & bitmasks[ 7]) >> bits[ 7]) <<  7;
+      case  6: value |= ((Brow[words[ 6]] & bitmasks[ 6]) >> bits[ 6]) <<  6;
+      case  5: value |= ((Brow[words[ 5]] & bitmasks[ 5]) >> bits[ 5]) <<  5;
+      case  4: value |= ((Brow[words[ 4]] & bitmasks[ 4]) >> bits[ 4]) <<  4;
+      case  3: value |= ((Brow[words[ 3]] & bitmasks[ 3]) >> bits[ 3]) <<  3;
+      case  2: value |= ((Brow[words[ 2]] & bitmasks[ 2]) >> bits[ 2]) <<  2;
+      case  1: value |= ((Brow[words[ 1]] & bitmasks[ 1]) >> bits[ 1]) <<  1;
+      case  0: value |= ((Brow[words[ 0]] & bitmasks[ 0]) >> bits[ 0]) <<  0;
+      default:
+        break;
+      }
+/*       for(int k = 0; k < todo; ++k) { */
+/*         value |= ((Brow[words[k]] & bitmasks[k]) << bits[k]) >> k; */
+/*       } */
+      /* and write the word once */
+      Arow[a_word] |= value;
+    }
+  }
+
+  __M4RI_DD_MZD(A);
+}
+
+/**
+ * Implements both apply_p_right and apply_p_right_trans.
+ */
+void _mzd_apply_p_right_even(mzd_t *A, mzp_t const *P, rci_t start_row, rci_t start_col, int notrans) {
+  if(A->nrows - start_row == 0)
+    return;
+  rci_t const length = MIN(P->length, A->ncols);
+  wi_t const width = A->width;
+  int step_size = MIN(A->nrows - start_row, MAX((__M4RI_CPU_L1_CACHE >> 3) / A->width, 1));
+
+  /* our temporary where we store the columns we want to swap around */
+  mzd_t *B = mzd_init(step_size, A->ncols);
+  word *Arow;
+  word *Brow;
+
+  /* setup mathematical permutation */
+  rci_t *permutation = (rci_t*)m4ri_mm_calloc(A->ncols, sizeof(rci_t));
+  for(rci_t i = 0; i < A->ncols; ++i)
+    permutation[i] = i;
+
+  if (!notrans) {
+    for(rci_t i = start_col; i < length; ++i) {
+      rci_t t = permutation[i];
+      permutation[i] = permutation[P->values[i]];
+      permutation[P->values[i]] = t;
+    }
+  } else {
+    for(rci_t i = start_col; i < length; ++i) {
+      rci_t t = permutation[length - i - 1];
+      permutation[length - i - 1] = permutation[P->values[length - i - 1]];
+      permutation[P->values[length - i - 1]] = t;
+    }
+  }
+
+  /* we have a bitmask to encode where to write to */
+  word *write_mask = (word*)m4ri_mm_calloc(width, sizeof(word));
+  for(rci_t i = 0; i < A->ncols; i += m4ri_radix) {
+    int const todo = MIN(m4ri_radix, A->ncols - i);
+    for(int k = 0; k < todo; ++k) {
+      if(permutation[i + k] == i + k) {
+        write_mask[i / m4ri_radix] |= m4ri_one << k;
+      }
+    }
+  }
+  write_mask[width-1] |= ~A->high_bitmask;
+
+  for(rci_t i = start_row; i < A->nrows; i += step_size) {
+    step_size = MIN(step_size, A->nrows - i);
+    for(int k = 0; k < step_size; ++k) {
+      Arow = A->rows[i+k];
+      Brow = B->rows[k];
+
+      /*copy row & clear those values which will be overwritten */
+      for(wi_t j = 0; j < width; ++j) {
+        Brow[j] = Arow[j];
+        Arow[j] = Arow[j] & write_mask[j];
+      }
+    }
+    /* here we actually write out the permutation */
+    mzd_write_col_to_rows_blockd(A, B, permutation, write_mask, i, i + step_size, length);
+  }
+  m4ri_mm_free(permutation);
+  m4ri_mm_free(write_mask);
+  mzd_free(B);
+
+  __M4RI_DD_MZD(A);
+}
+
+void _mzd_apply_p_right_trans(mzd_t *A, mzp_t const *P) {
+  if(A->nrows == 0)
+    return;
+  rci_t const length = MIN(P->length, A->ncols);
+  int const step_size = MAX((__M4RI_CPU_L1_CACHE >> 3) / A->width, 1);
+  for(rci_t j = 0; j < A->nrows; j += step_size) {
+    rci_t stop_row = MIN(j + step_size, A->nrows);
+    for (rci_t i = 0; i < length; ++i) {
+      assert(P->values[i] >= i);
+      mzd_col_swap_in_rows(A, i, P->values[i], j, stop_row);
+    }
+  }
+/*   for (i=0; i<P->length; i++) { */
+/*     assert(P->values[i] >= i); */
+/*     mzd_col_swap(A, i, P->values[i]); */
+/*   } */
+
+  __M4RI_DD_MZD(A);
+}
+
+void _mzd_apply_p_right(mzd_t *A, mzp_t const *P) {
+  if(A->nrows == 0)
+    return;
+  int const step_size = MAX((__M4RI_CPU_L1_CACHE >> 3) / A->width, 1);
+  for(rci_t j = 0; j < A->nrows; j += step_size) {
+    rci_t stop_row = MIN(j + step_size, A->nrows);
+    for (rci_t i = P->length - 1; i >= 0; --i) {
+      assert(P->values[i] >= i);
+      mzd_col_swap_in_rows(A, i, P->values[i], j, stop_row);
+    }
+  }
+/*   long i; */
+/*   for (i=P->length-1; i>=0; i--) { */
+/*     assert(P->values[i] >= i); */
+/*     mzd_col_swap(A, i, P->values[i]); */
+/*   } */
+
+  __M4RI_DD_MZD(A);
+}
+
+
+void mzd_apply_p_right_trans(mzd_t *A, mzp_t const *P) {
+  if(!A->nrows)
+    return;
+  _mzd_apply_p_right_even(A, P, 0, 0, 0); 
+}
+
+void mzd_apply_p_right(mzd_t *A, mzp_t const *P) {
+  if(!A->nrows)
+    return;
+  _mzd_apply_p_right_even(A, P, 0, 0, 1); 
+}
+
+void mzd_apply_p_right_trans_even_capped(mzd_t *A, mzp_t const *P, rci_t start_row, rci_t start_col) {
+  if(!A->nrows)
+    return;
+  _mzd_apply_p_right_even(A, P, start_row, start_col, 0); 
+}
+
+void mzd_apply_p_right_even_capped(mzd_t *A, mzp_t const *P, rci_t start_row, rci_t start_col) {
+  if(!A->nrows)
+    return;
+  _mzd_apply_p_right_even(A, P, start_row, start_col, 1); 
+}
+
+void mzp_print(mzp_t const *P) {
+  printf("[ ");
+  for(rci_t i = 0; i < P->length; ++i) {
+    printf("%zd ", (size_t)P->values[i]);
+  }
+  printf("]");
+}
+
+void mzd_apply_p_right_trans_tri(mzd_t *A, mzp_t const *P) {
+  assert(P->length == A->ncols);
+  int const step_size = MAX((__M4RI_CPU_L1_CACHE >> 2) / A->width, 1);
+
+  for(rci_t r = 0; r < A->nrows; r += step_size) {
+    rci_t const row_bound = MIN(r + step_size, A->nrows);
+    for (rci_t i =0 ; i < A->ncols; ++i) {
+      assert(P->values[i] >= i);
+      mzd_col_swap_in_rows(A, i, P->values[i], r, MIN(row_bound, i));
+    }
+  }
+
+  __M4RI_DD_MZD(A);
+}
+
+void _mzd_compress_l(mzd_t *A, rci_t r1, rci_t n1, rci_t r2) {
+  /**
+   * We are compressing this matrix
+\verbatim
+           r1           n1
+   ------------------------------------------
+   | \ \____|___        | A01               |
+   |  \     |   \       |                   |
+ r1------------------------------------------ 
+   |   |    |           | \  \_____         |
+   | L1|    |           |  \       \________|
+   |   |    |           | L2|               |
+   ------------------------------------------
+\endverbatim
+  *
+  * to this matrix
+  *
+\verbatim
+           r1           n1
+   ------------------------------------------
+   | \ \____|___        | A01               |
+   |  \     |   \       |                   |
+ r1------------------------------------------ 
+   |    \   |           |    \_____         |
+   |     \  |           |          \________|
+   |      | |           |                   |
+   ------------------------------------------
+\endverbatim
+  */
+
+  if (r1 == n1)
+    return;
+
+#if 0
+
+  mzp_t *shift = mzp_init(A->ncols);
+  for (rci_t i=r1,j=n1;i<r1+r2;i++,j++){
+    mzd_col_swap_in_rows(A, i, j, i, r1+r2);
+    shift->values[i] = j;
+  }
+
+  mzd_apply_p_right_trans_even_capped(A, shift, r1+r2, 0);
+  mzp_free(shift);
+
+#else
+
+  for (rci_t i = r1, j = n1; i < r1 + r2; ++i, ++j){
+    mzd_col_swap_in_rows(A, i, j, i, r1 + r2);
+  }
+  
+  word tmp;
+  wi_t block;
+
+  for(rci_t i = r1 + r2; i < A->nrows; ++i) {
+
+    rci_t j = r1;
+
+    /* first we deal with the rest of the current word we need to
+       write */
+    int const rest = m4ri_radix - (j % m4ri_radix);
+
+    tmp = mzd_read_bits(A, i, n1, rest);
+    mzd_clear_bits(A, i, j, rest);
+    mzd_xor_bits(A, i, j, rest, tmp);
+    
+    j += rest;
+
+    /* now each write is simply a word write */
+
+    block = (n1 + j - r1) / m4ri_radix;
+
+    if (rest % m4ri_radix == 0) {
+      for( ; j + m4ri_radix <= r1 + r2; j += m4ri_radix, ++block) {
+        tmp = A->rows[i][block];
+        A->rows[i][j / m4ri_radix] = tmp;
+      }
+    } else {
+      for(; j + m4ri_radix <= r1 + r2; j += m4ri_radix, ++block) {
+        tmp = (A->rows[i][block] >> rest) | ( A->rows[i][block + 1] << (m4ri_radix - rest)); 
+        A->rows[i][j / m4ri_radix] = tmp;
+      }
+    }
+
+    /* we deal with the remaining bits. While we could write past the
+       end of r1+r2 here, but we have no guarantee that we can read
+       past the end of n1+r2. */
+
+    if (j < r1 + r2) {
+      tmp = mzd_read_bits(A, i, n1 + j - r1, r1 + r2 - j);
+      A->rows[i][j / m4ri_radix] = tmp;
+    }
+
+    /* now clear the rest of L2 */
+    j = r1 + r2;
+    mzd_clear_bits(A, i, j, m4ri_radix - (j % m4ri_radix));
+
+    j += m4ri_radix - (j % m4ri_radix);
+
+    /* it's okay to write the full word, i.e. past n1+r2, because
+       everything is zero there anyway. Thus, we can omit the code
+       which deals with last few bits. */
+
+    for(; j < n1 + r2; j += m4ri_radix) {
+      A->rows[i][j / m4ri_radix] = 0;
+    }
+  }
+ 
+#endif
+
+  __M4RI_DD_MZD(A);
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.h
new file mode 100644
index 0000000..7bc62aa
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.h
@@ -0,0 +1,224 @@
+/**
+ * \file mzp.h
+ *
+ * \brief Permutation matrices.
+ * 
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ *
+ */
+/******************************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Martin Albrecht <malb@informatik.uni-bremen.de> 
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+******************************************************************************/
+
+#ifndef M4RI_MZP
+#define M4RI_MZP
+
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Permutations.
+ */
+
+typedef struct mzp_t {
+  /**
+   * The swap operations in LAPACK format.
+   */
+  rci_t *values;
+
+  /**
+   * The length of the swap array.
+   */
+
+  rci_t length;
+
+} mzp_t; // note that this is NOT mpz_t
+
+/**
+ * Construct an identity permutation.
+ * 
+ * \param length Length of the permutation.
+ */
+
+mzp_t *mzp_init(rci_t length);
+
+/**
+ * Free a mzp_t.
+ * 
+ * \param P Permutation to free.
+ */
+
+void mzp_free(mzp_t *P);
+
+/**
+ * \brief Create a window/view into the permutation P.
+ *
+ * Use mzp_free_mzp_t_window() to free the window.
+ *
+ * \param P Permutation matrix
+ * \param begin Starting index (inclusive)
+ * \param end   Ending index   (exclusive)
+ *
+ */
+
+mzp_t *mzp_init_window(mzp_t *P, rci_t begin, rci_t end);
+
+/**
+ * \brief Free a permutation window created with
+ * mzp_init_mzp_t_window().
+ * 
+ * \param condemned Permutation Matrix
+ */
+
+void mzp_free_window(mzp_t *condemned);
+
+
+/**
+ * \brief copy permutation Q to P
+ *
+ * \param P Target permutation matrix (may be NULL)
+ * \param Q Source permutation matrix (must not be NULL)
+ */
+
+mzp_t *mzp_copy(mzp_t *P, const mzp_t *Q);
+
+/**
+ * \brief Set the permutation P to the identity permutation. The only
+ * allowed value is 1.
+ *
+ *
+ * \param P Permutation
+ * \param value 1
+ *
+ * \note This interface was chosen to be similar to mzd_set_ui().
+ */
+
+void mzp_set_ui(mzp_t *P, unsigned int value);
+
+/**
+ * Apply the permutation P to A from the left.
+ *
+ * This is equivalent to row swaps walking from 0 to length-1.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ */
+
+void mzd_apply_p_left(mzd_t *A, mzp_t const *P);
+
+/**
+ * Apply the permutation P to A from the left but transpose P before.
+ *
+ * This is equivalent to row swaps walking from length-1 to 0.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ */
+
+void mzd_apply_p_left_trans(mzd_t *A, mzp_t const *P);
+
+/**
+ * Apply the permutation P to A from the right.
+ *
+ * This is equivalent to column swaps walking from length-1 to 0.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ */
+
+void mzd_apply_p_right(mzd_t *A, mzp_t const *P);
+
+/**
+ * Apply the permutation P to A from the right but transpose P before.
+ *
+ * This is equivalent to column swaps walking from 0 to length-1.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ */
+
+void mzd_apply_p_right_trans(mzd_t *A, mzp_t const *P);
+
+/**
+ * Apply the permutation P to A from the right starting at start_row.
+ *
+ * This is equivalent to column swaps walking from length-1 to 0.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ * \param start_row Start swapping at this row.
+ * \param start_col Start swapping at this column.
+ */
+
+void mzd_apply_p_right_even_capped(mzd_t *A, mzp_t const *P, rci_t start_row, rci_t start_col);
+
+/**
+ * Apply the permutation P^T to A from the right starting at start_row.
+ *
+ * This is equivalent to column swaps walking from 0 to length-1.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ * \param start_row Start swapping at this row.
+ * \param start_col Start swapping at this column.
+ */
+
+void mzd_apply_p_right_trans_even_capped(mzd_t *A, mzp_t const *P, rci_t start_row, rci_t start_col);
+
+/**
+ * Apply the mzp_t P to A from the right but transpose P before.
+ *
+ * This is equivalent to column swaps walking from 0 to length-1.
+ *
+ * \param A Matrix.
+ * \param P Permutation.
+ */
+
+void mzd_apply_p_right_trans(mzd_t *A, mzp_t const *P);
+
+/**
+ * Apply the permutation P to A from the right, but only on the upper
+ * the matrix A above the main diagonal.
+ *
+ * This is equivalent to column swaps walking from length-1 to 0.
+ *
+ * \param A Matrix.
+ * \param Q Permutation.
+ */
+void  mzd_apply_p_right_trans_tri(mzd_t *A, mzp_t const *Q);
+
+/**
+ * Print the mzp_t P
+ *
+ * \param P Permutation.
+ */
+
+void mzp_print(mzp_t const *P);
+
+/**
+ * Compresses the matrix L in a step in blockwise-recursive PLE
+ * decomposition.
+ *
+ * \param A Matrix.
+ * \param r1 Rank of left matrix.
+ * \param n1 Column cut which separates left and right matrix.
+ * \param r2 Rank of right matrix.
+ */
+
+void _mzd_compress_l(mzd_t *A, rci_t r1, rci_t n1, rci_t r2);
+
+#endif // M4RI_MZP
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.lo
new file mode 100644
index 0000000..3e8ad9a
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.lo
@@ -0,0 +1,12 @@
+# m4ri/mzp.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/mzp.o'
+
+# Name of the non-PIC object
+non_pic_object='mzp.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.o
new file mode 100644
index 0000000..dbca5d2
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/mzp.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/parity.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/parity.h
new file mode 100644
index 0000000..fb32a33
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/parity.h
@@ -0,0 +1,127 @@
+#ifndef M4RI_PARITY_H
+#define M4RI_PARITY_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 David Harvey <dmharvey@cims.nyu.edu>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+/**
+ * \file parity.h
+ *
+ * \brief Compute the parity of 64 words in parallel.
+ *
+ * \author David Harvey
+ */
+
+#include <m4ri/misc.h>
+
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX32(a, b) (((((a) >> 32) ^ (a)) << 32) | \
+                            ((((b) << 32) ^ (b)) >> 32))
+
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX16(a, b) (((((a) << 16) ^ (a)) & __M4RI_CONVERT_TO_WORD(0xFFFF0000FFFF0000ull)) | \
+                            ((((b) >> 16) ^ (b)) & __M4RI_CONVERT_TO_WORD(0x0000FFFF0000FFFFull)));
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX8(a, b) (((((a) << 8) ^ (a)) & __M4RI_CONVERT_TO_WORD(0xFF00FF00FF00FF00ull)) | \
+                           ((((b) >> 8) ^ (b)) & __M4RI_CONVERT_TO_WORD(0x00FF00FF00FF00FFull)));
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX4(a, b) (((((a) << 4) ^ (a)) & __M4RI_CONVERT_TO_WORD(0xF0F0F0F0F0F0F0F0ull)) | \
+                           ((((b) >> 4) ^ (b)) & __M4RI_CONVERT_TO_WORD(0x0F0F0F0F0F0F0F0Full)));
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX2(a, b) (((((a) << 2) ^ (a)) & __M4RI_CONVERT_TO_WORD(0xCCCCCCCCCCCCCCCCull)) | \
+                           ((((b) >> 2) ^ (b)) & __M4RI_CONVERT_TO_WORD(0x3333333333333333ull)));
+/**
+ * \brief Step for mixing two 64-bit words to compute their parity.
+ */
+
+#define __M4RI_MIX1(a, b) (((((a) << 1) ^ (a)) & __M4RI_CONVERT_TO_WORD(0xAAAAAAAAAAAAAAAAull)) | \
+                           ((((b) >> 1) ^ (b)) & __M4RI_CONVERT_TO_WORD(0x5555555555555555ull)));
+
+
+/**
+ * \brief See parity64.
+ */
+
+static inline word m4ri_parity64_helper(word *buf)
+{
+   word a0, a1, b0, b1, c0, c1;
+
+   a0 = __M4RI_MIX32(buf[0x20], buf[0x00]);
+   a1 = __M4RI_MIX32(buf[0x30], buf[0x10]);
+   b0 = __M4RI_MIX16(a1, a0);
+
+   a0 = __M4RI_MIX32(buf[0x28], buf[0x08]);
+   a1 = __M4RI_MIX32(buf[0x38], buf[0x18]);
+   b1 = __M4RI_MIX16(a1, a0);
+
+   c0 = __M4RI_MIX8(b1, b0);
+
+   a0 = __M4RI_MIX32(buf[0x24], buf[0x04]);
+   a1 = __M4RI_MIX32(buf[0x34], buf[0x14]);
+   b0 = __M4RI_MIX16(a1, a0);
+
+   a0 = __M4RI_MIX32(buf[0x2C], buf[0x0C]);
+   a1 = __M4RI_MIX32(buf[0x3C], buf[0x1C]);
+   b1 = __M4RI_MIX16(a1, a0);
+
+   c1 = __M4RI_MIX8(b1, b0);
+
+   return __M4RI_MIX4(c1, c0);
+}
+
+
+/**
+ * \brief Computes parity of each of buf[0], buf[1], ..., buf[63].
+ * Returns single word whose bits are the parities of buf[0], ...,
+ * buf[63].
+ *
+ * \param buf buffer of words of length 64
+ */
+static inline word m4ri_parity64(word *buf)
+{
+   word d0, d1, e0, e1;
+
+   d0 = m4ri_parity64_helper(buf);
+   d1 = m4ri_parity64_helper(buf + 2);
+   e0 = __M4RI_MIX2(d1, d0);
+
+   d0 = m4ri_parity64_helper(buf + 1);
+   d1 = m4ri_parity64_helper(buf + 3);
+   e1 = __M4RI_MIX2(d1, d0);
+
+   return __M4RI_MIX1(e1, e0);
+}
+
+#endif // M4RI_PARITY_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.c
new file mode 100644
index 0000000..9d0cf43
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.c
@@ -0,0 +1,293 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Clement Pernet <clement.pernet@gmail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include "mzd.h"
+#include "triangular.h"
+#include "parity.h"
+#include "ple_russian.h"
+#include "strassen.h"
+#include "ple.h"
+
+rci_t mzd_ple(mzd_t *A, mzp_t *P, mzp_t *Q, int const cutoff) {
+  if (P->length != A->nrows)
+    m4ri_die("mzd_ple: Permutation P length (%d) must match A nrows (%d)\n", P->length, A->nrows);
+  if (Q->length != A->ncols)
+    m4ri_die("mzd_ple: Permutation Q length (%d) must match A ncols (%d)\n", Q->length, A->ncols);
+  return _mzd_ple(A, P, Q, cutoff);
+}
+
+
+rci_t mzd_pluq (mzd_t *A, mzp_t *P, mzp_t *Q, int const cutoff) {
+  if (P->length != A->nrows)
+    m4ri_die("mzd_pluq: Permutation P length (%d) must match A nrows (%d)\n", P->length, A->nrows);
+  if (Q->length != A->ncols)
+    m4ri_die("mzd_pluq: Permutation Q length (%d) must match A ncols (%d)\n", Q->length, A->ncols);
+  rci_t r = _mzd_pluq(A, P, Q, cutoff);
+  return r;
+}
+
+
+rci_t _mzd_pluq(mzd_t *A, mzp_t *P, mzp_t *Q, int const cutoff) {
+  rci_t r = _mzd_ple(A, P, Q, cutoff);
+  if(r && r < A->nrows) {
+    mzd_t *A0 = mzd_init_window(A, 0, 0, r, A->ncols);
+    mzd_apply_p_right_trans_tri(A0, Q);
+    mzd_free_window(A0);
+  } else {
+    mzd_apply_p_right_trans_tri(A, Q);
+  }
+  return r;
+}
+
+rci_t _mzd_ple(mzd_t *A, mzp_t *P, mzp_t *Q, int const cutoff) {
+  rci_t ncols = A->ncols;
+
+#if 1
+  rci_t nrows = mzd_first_zero_row(A);
+  for(rci_t i = nrows; i < A->nrows; ++i)
+    P->values[i] = i;
+  for(rci_t i = 0; i < A->ncols; ++i)
+    Q->values[i] = i;
+  if(!nrows) {
+    return 0;
+  }
+#else
+  rci_t nrows = A->nrows;
+#endif
+
+  if (ncols <= m4ri_radix || A->width * A->nrows <= __M4RI_PLE_CUTOFF) {
+    /* this improves data locality and runtime considerably */
+    mzd_t *Abar = mzd_copy(NULL, A);
+    rci_t r = _mzd_ple_russian(Abar, P, Q, 0);
+    mzd_copy(A, Abar);
+    mzd_free(Abar);
+    return r;
+  }
+
+  {
+    /* Block divide and conquer algorithm */
+    
+    /*                     n1
+     *   ------------------------------------------
+     *   | A0              | A1                   |
+     *   |                 |                      |
+     *   |                 |                      |
+     *   |                 |                      |
+     *   ------------------------------------------
+     */
+
+    rci_t n1 = (((ncols - 1) / m4ri_radix + 1) >> 1) * m4ri_radix;
+
+    mzd_t *A0  = mzd_init_window(A,  0,  0, nrows,    n1);
+    mzd_t *A1  = mzd_init_window(A,  0, n1, nrows, ncols);
+
+    /* First recursive call */
+
+    mzp_t *P1 = mzp_init_window(P, 0, nrows);
+    mzp_t *Q1 = mzp_init_window(Q, 0, A0->ncols);
+    rci_t r1 = _mzd_ple(A0, P1, Q1, cutoff);
+
+    /*           r1           n1
+     *   ------------------------------------------
+     *   | A00    |           | A01               |
+     *   |        |           |                   |
+     * r1------------------------------------------ 
+     * 
+     *   | A10    |           | A11               |
+     *   |        |           |                   |
+     *   ------------------------------------------
+     */
+
+    mzd_t *A00 = mzd_init_window(A,  0,  0, r1, r1);
+    mzd_t *A10 = mzd_init_window(A, r1,  0, nrows, r1);
+    mzd_t *A01 = mzd_init_window(A,  0, n1, r1, ncols);
+    mzd_t *A11 = mzd_init_window(A, r1, n1, nrows, ncols);
+
+
+    if (r1) {
+      /* Computation of the Schur complement */
+      mzd_apply_p_left(A1, P1);
+      _mzd_trsm_lower_left(A00, A01, cutoff);
+      mzd_addmul(A11, A10, A01, cutoff);
+    }
+    mzp_free_window(P1);
+    mzp_free_window(Q1);
+
+    /* Second recursive call */
+    mzp_t *P2 = mzp_init_window(P, r1, nrows);
+    mzp_t *Q2 = mzp_init_window(Q, n1, ncols);
+
+    rci_t r2 = _mzd_ple(A11, P2, Q2, cutoff);
+
+    /*           n
+     *   -------------------
+     *   |      A0b        |
+     *   |                 |
+     *   r1-----------------
+     *   |      A1b        |
+     *   |                 |
+     *   -------------------
+     */
+
+    /* Update A10 */
+    mzd_apply_p_left(A10, P2);
+
+    /* Update P */
+    for (rci_t i = 0; i < nrows - r1; ++i)
+      P2->values[i] += r1;
+    
+    // Update the A0b block (permutation + rotation)
+    for(rci_t i = 0, j = n1; j < ncols; ++i, ++j)
+      Q2->values[i] += n1;
+    
+    for(rci_t i = n1, j = r1; i < n1 + r2; ++i, ++j)
+      Q->values[j] = Q->values[i];
+
+    /* Compressing L */
+
+    _mzd_compress_l(A, r1, n1, r2);
+
+    mzp_free_window(Q2);
+    mzp_free_window(P2);
+
+    mzd_free_window(A0);
+    mzd_free_window(A1);
+    mzd_free_window(A00);
+    mzd_free_window(A01);
+    mzd_free_window(A10);
+    mzd_free_window(A11);
+
+    __M4RI_DD_MZD(A);
+    __M4RI_DD_MZP(P);
+    __M4RI_DD_MZP(Q);
+    __M4RI_DD_RCI(r1 + r2);
+    return r1 + r2;
+  }
+}
+
+rci_t _mzd_pluq_naive(mzd_t *A, mzp_t *P, mzp_t *Q)  {
+  rci_t curr_pos = 0;
+  for (curr_pos = 0; curr_pos < A->ncols; ) {
+    int found = 0;
+    /* search for some pivot */
+    rci_t i, j;
+    for (j = curr_pos; j < A->ncols; ++j) {
+      for (i = curr_pos; i< A->nrows; ++i ) {
+	if (mzd_read_bit(A, i, j)) {
+          found = 1;
+          break;
+        }
+      }
+      if(found)
+        break;
+    }
+    
+    if(found) {
+      P->values[curr_pos] = i;
+      Q->values[curr_pos] = j;
+      mzd_row_swap(A, curr_pos, i);
+      mzd_col_swap(A, curr_pos, j);
+          
+      /* clear below but preserve transformation matrix */
+      if (curr_pos +1 < A->ncols){
+	for(rci_t l = curr_pos + 1; l < A->nrows; ++l) {
+	  if (mzd_read_bit(A, l, curr_pos)) {
+	    mzd_row_add_offset(A, l, curr_pos, curr_pos + 1);
+	  }
+	}
+      }
+      ++curr_pos;
+    } else {
+      break;
+    }
+  }
+  for (rci_t i = curr_pos; i < A->nrows; ++i)
+    P->values[i] = i;
+  for (rci_t i = curr_pos; i < A->ncols; ++i)
+    Q->values[i] = i;
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZP(P);
+  __M4RI_DD_MZP(Q);
+  __M4RI_DD_RCI(curr_pos);
+  return curr_pos;
+}
+ 
+rci_t _mzd_ple_naive(mzd_t *A, mzp_t *P, mzp_t *Q)  {
+  rci_t col_pos = 0;
+  rci_t row_pos = 0;
+  /* search for some pivot */
+  while (row_pos < A->nrows && col_pos < A->ncols) {
+    int found = 0;
+    rci_t i, j;
+    for (j = col_pos; j < A->ncols; ++j) {
+      for (i = row_pos; i < A->nrows; ++i) {
+	if (mzd_read_bit(A, i, j)) {
+          found = 1;
+          break;
+        }
+      }
+      if(found)
+        break;
+    }
+    if(found) {
+      P->values[row_pos] = i;
+      Q->values[row_pos] = j;
+      mzd_row_swap(A, row_pos, i);
+      //mzd_col_swap(A, curr_pos, j);
+          
+      /* clear below but preserve transformation matrix */
+      if (j + 1 < A->ncols){
+	for(rci_t l = row_pos + 1; l < A->nrows; ++l) {
+	  if (mzd_read_bit(A, l, j)) {
+	    mzd_row_add_offset(A, l, row_pos, j + 1);
+	  }
+	}
+      }
+      ++row_pos;
+      col_pos = j + 1;
+    } else {
+      break;
+    }
+  }
+  for (rci_t i = row_pos; i < A->nrows; ++i)
+    P->values[i] = i;
+  for (rci_t i = row_pos; i < A->ncols; ++i)
+    Q->values[i] = i;
+
+  /* Now compressing L */
+  for (rci_t j = 0; j < row_pos; ++j){
+    if (Q->values[j] > j) {
+      // To be optimized by a copy_row function
+      mzd_col_swap_in_rows (A,Q->values[j], j, j, A->nrows);
+    }
+  }
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZP(P);
+  __M4RI_DD_MZP(Q);
+  __M4RI_DD_RCI(row_pos);
+  return row_pos;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.h
new file mode 100644
index 0000000..b720f6e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.h
@@ -0,0 +1,172 @@
+/**
+ * \file ple.h
+ *
+ * \brief PLE and PLUQ matrix decomposition routines.
+ *
+ * \author Clement Pernet <clement.pernet@gmail.com>
+ * 
+ */
+
+#ifndef M4RI_PLUQ_H
+#define M4RI_PLUQ_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008, 2009 Clement Pernet <clement.pernet@gmail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/mzd.h>
+#include <m4ri/mzp.h>
+
+/**
+ * Crossover point for PLUQ factorization.
+ */
+
+#define __M4RI_PLE_CUTOFF MIN(524288, __M4RI_CPU_L3_CACHE >> 3)
+
+/**
+ * \brief PLUQ matrix decomposition.
+ *
+ * Returns (P,L,U,Q) satisfying PLUQ = A where P and Q are two
+ * permutation matrices, of dimension respectively m x m and n x n, L
+ * is m x r unit lower triangular and U is r x n upper triangular.
+ *
+ * P and Q must be preallocated but they don't have to be
+ * identity permutations. If cutoff is zero a value is chosen
+ * automatically. It is recommended to set cutoff to zero for most
+ * applications.
+ *
+ * The row echelon form (not reduced) can be read from the upper
+ * triangular matrix U. See mzd_echelonize_pluq() for details.
+ * 
+ * This is the wrapper function including bounds checks. See
+ * _mzd_pluq() for implementation details.
+ *
+ * \param A Input m x n matrix
+ * \param P Output row permutation of length m
+ * \param Q Output column permutation matrix of length n
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \sa _mzd_pluq() _mzd_pluq_mmpf() mzd_echelonize_pluq()
+ *
+ * \return Rank of A.
+ */
+
+rci_t mzd_pluq(mzd_t *A, mzp_t *P, mzp_t *Q, const int cutoff);
+
+
+/**
+ * \brief PLE matrix decomposition.
+ *
+ * Computes the PLE matrix decomposition using a block recursive
+ * algorithm.
+ *
+ * Returns (P,L,S,Q) satisfying PLE = A where P is a permutation matrix
+ * of dimension m x m, L is m x r unit lower triangular and S is an r
+ * x n matrix which is upper triangular except that its columns are
+ * permuted, that is S = UQ for U r x n upper triangular and Q is a n
+ * x n permutation matrix. The matrix L and S are stored in place over
+ * A.
+ *
+ * P and Q must be preallocated but they don't have to be
+ * identity permutations. If cutoff is zero a value is chosen
+ * automatically. It is recommended to set cutoff to zero for most
+ * applications.
+ *
+ * This is the wrapper function including bounds checks. See
+ * _mzd_ple() for implementation details.
+ *
+ * \param A Input m x n matrix
+ * \param P Output row permutation of length m
+ * \param Q Output column permutation matrix of length n
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \sa _mzd_ple() _mzd_pluq() _mzd_pluq_mmpf() mzd_echelonize_pluq()
+ *
+ * \return Rank of A.
+ */
+
+rci_t mzd_ple(mzd_t *A, mzp_t *P, mzp_t *Q, const int cutoff);
+
+/**
+ * \brief PLUQ matrix decomposition.
+ *
+ * See mzd_pluq() for details.
+ *
+ * \param A Input matrix
+ * \param P Output row mzp_t matrix
+ * \param Q Output column mzp_t matrix
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \sa mzd_pluq()
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_pluq(mzd_t *A, mzp_t *P, mzp_t *Q, const int cutoff);
+
+/**
+ * \brief PLE matrix decomposition.
+ *
+ * See mzd_ple() for details.
+ *
+ * \param A Input matrix
+ * \param P Output row mzp_t matrix
+ * \param Qt Output column mzp_t matrix
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \sa mzd_ple()
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_ple(mzd_t *A, mzp_t *P, mzp_t *Qt, const int cutoff);
+
+/**
+ * \brief PLUQ matrix decomposition (naive base case).
+ *
+ * See mzd_pluq() for details.
+ * 
+ * \param A Input matrix
+ * \param P Output row mzp_t matrix
+ * \param Q Output column mzp_t matrix
+ *
+ * \sa mzd_pluq()
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_pluq_naive(mzd_t *A, mzp_t *P, mzp_t *Q);
+
+/**
+ * \brief PLE matrix decomposition (naive base case).
+ *
+ * See mzd_ple() for details.
+ * 
+ * \param A Input matrix
+ * \param P Output row mzp_t matrix
+ * \param Qt Output column mzp_t matrix
+ *
+ * \sa mzd_ple()
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_ple_naive(mzd_t *A, mzp_t *P, mzp_t *Qt);
+
+#endif // M4RI_PLUQ_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.lo
new file mode 100644
index 0000000..7257846
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.lo
@@ -0,0 +1,12 @@
+# m4ri/ple.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/ple.o'
+
+# Name of the non-PIC object
+non_pic_object='ple.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.o
new file mode 100644
index 0000000..b363805
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.c
new file mode 100644
index 0000000..14603bd
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.c
@@ -0,0 +1,582 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008-2011 Martin Albrecht <martinralbrecht@googlemail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "m4ri_config.h"
+
+#if __M4RI_HAVE_SSE2
+#include <emmintrin.h>
+#endif
+
+#include "ple_russian.h"
+#include "brilliantrussian.h"
+#include "graycode.h"
+#include "xor.h"
+#ifndef NDEBUG
+#include "mmc.h"
+#endif
+
+
+/** the number of tables used in PLE decomposition **/
+#define __M4RI_PLE_NTABLES 8
+
+ple_table_t *ple_table_init(int k, rci_t ncols) {
+  ple_table_t *T = (ple_table_t*)m4ri_mm_malloc(sizeof(ple_table_t));
+  T->T =  mzd_init(__M4RI_TWOPOW(k), ncols);
+  T->M = (rci_t*)m4ri_mm_malloc(__M4RI_TWOPOW(k)*sizeof(rci_t));
+  T->E = (rci_t*)m4ri_mm_malloc(__M4RI_TWOPOW(k)*sizeof(rci_t));
+  T->B =  (word*)m4ri_mm_malloc(__M4RI_TWOPOW(k)*sizeof(word) );
+  return T;
+}
+
+void ple_table_free(ple_table_t *T) {
+  m4ri_mm_free(T->B);
+  m4ri_mm_free(T->M);
+  m4ri_mm_free(T->E);
+  mzd_free(T->T);
+  m4ri_mm_free(T);
+}
+
+static inline rci_t _max_value(rci_t *data, int length) {
+  rci_t max = 0;
+  for(int i = 0; i < length; ++i) {
+    max = MAX(max, data[i]);
+  }
+  return max;
+}
+
+static inline void _kk_setup(int const kk, int const knar, int *k_, int *knar_, int const *pivots, int const ntables) {
+  assert((ntables <= __M4RI_PLE_NTABLES) & (ntables > 0));
+
+  int lb[__M4RI_PLE_NTABLES], ub[__M4RI_PLE_NTABLES];
+  int rem = kk % ntables;
+
+  int s = 1;
+
+  switch(ntables) {
+  case 8: k_[ntables - 8] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[7] = 0; assert((k_[ntables - 8] > 0));
+  case 7: k_[ntables - 7] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[6] = 0; assert((k_[ntables - 7] > 0));
+  case 6: k_[ntables - 6] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[5] = 0; assert((k_[ntables - 6] > 0));
+  case 5: k_[ntables - 5] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[4] = 0; assert((k_[ntables - 5] > 0));
+  case 4: k_[ntables - 4] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[3] = 0; assert((k_[ntables - 4] > 0));
+  case 3: k_[ntables - 3] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[2] = 0; assert((k_[ntables - 3] > 0));
+  case 2: k_[ntables - 2] = kk / ntables + ((rem >= (ntables - s++)) ? 1 : 0); knar_[1] = 0; assert((k_[ntables - 2] > 0));
+  case 1: k_[ntables - 1] = kk / ntables; knar_[0] = 0;  assert((k_[ntables - 1] > 0));
+  }
+
+  lb[0] = 0;
+  ub[0] = k_[0];
+  for(int i = 1; i < ntables; i++) {
+    lb[i] = lb[i-1] + k_[i-1];
+    ub[i] = ub[i-1] + k_[i];
+  }
+
+  for(int i=0; i<knar; i++) {
+    for(int j=0;j<ntables;j++)
+      if (pivots[i] >= lb[j] && pivots[i] < ub[j]) {
+        knar_[j]++;
+    }
+  }
+}
+
+int _mzd_ple_submatrix(mzd_t *A,
+                       rci_t const start_row, rci_t const stop_row,
+                       rci_t const start_col, int const k,
+                       mzp_t *P, mzp_t *Q, rci_t *pivots,
+                       rci_t *done, rci_t *done_row, wi_t const splitblock) {
+  word bm[__M4RI_PLE_NTABLES * __M4RI_MAXKAY];
+  wi_t os[__M4RI_PLE_NTABLES * __M4RI_MAXKAY];
+
+  /* we're essentially constructing a submatrix but cheaply */
+  wi_t const width = A->width;
+  rci_t const ncols = A->ncols;
+  int const flags = A->flags;
+  word high_bitmask = A->high_bitmask;
+
+  if (A->width > splitblock) {
+    A->width = splitblock;
+    A->ncols = splitblock * m4ri_radix;
+    A->flags &= mzd_flag_multiple_blocks;
+    A->flags |= (mzd_flag_windowed_zerooffset | mzd_flag_windowed_zeroexcess);
+    A->high_bitmask = m4ri_ffff;
+    /* No need to set mzd_flag_windowed_ownsblocks, because we won't free A until it's elements are restored below. */
+  }
+
+  int curr_pos;
+  int rank = 0;
+  for(curr_pos = 0; curr_pos < k; ++curr_pos) {
+    os[curr_pos] = (start_col + curr_pos) / m4ri_radix;
+    bm[curr_pos] = m4ri_one << ((start_col + curr_pos) % m4ri_radix);
+    int found = 0;
+    /* search for some pivot */
+    rci_t i;
+    for(i = start_row + rank; i < stop_row; ++i) {
+      word const tmp = mzd_read_bits(A, i, start_col, curr_pos + 1);
+      if(tmp) {
+        word *Arow = A->rows[i];
+        /* clear before but preserve transformation matrix */
+        for (rci_t l = 0; l < rank; ++l)
+          if(done[l] < i) {
+            if((Arow[os[pivots[l]]] & bm[pivots[l]]))
+              mzd_row_add_offset(A, i, start_row + l, start_col + pivots[l] + 1);
+            done[l] = i; /* encode up to which row we added for l already */
+          }
+        if(mzd_read_bit(A, i, start_col + curr_pos)) {
+          found = 1;
+          break;
+        }
+      }
+    }
+    if (found) {
+      P->values[start_row + rank] = i;
+      mzd_row_swap(A, i, start_row + rank);
+
+      Q->values[start_row + rank] = start_col + curr_pos;
+      pivots[rank] = curr_pos;
+      done[rank] = i;
+      rank++;
+    }
+  }
+
+  /* finish submatrix */
+  *done_row = _max_value(done, rank);
+  for(rci_t c2 = 0; c2 < rank && start_col + pivots[c2] < A->ncols -1; ++c2)
+    for(rci_t r2 = done[c2] + 1; r2 <= *done_row; ++r2)
+      if(mzd_read_bit(A, r2, start_col + pivots[c2]))
+        mzd_row_add_offset(A, r2, start_row + c2, start_col + pivots[c2] + 1);
+
+  /* reset to original size */
+  A->ncols = ncols;
+  A->width = width;
+  A->flags = flags;
+  A->high_bitmask = high_bitmask;
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZP(P);
+  __M4RI_DD_MZP(Q);
+  __M4RI_DD_INT(curr_pos);
+  return rank;
+}
+
+/* create a table of all 2^k linear combinations */
+void mzd_make_table_ple(mzd_t const *A, rci_t r, rci_t writecol, int k, int knar, ple_table_t *table, rci_t *offsets, int base, rci_t readcol) {
+
+  mzd_t *T = table->T;
+  rci_t *E = table->E;
+  rci_t *M = table->M;
+  word  *B = table->B;
+
+  // Note that this restricts the number of columns of any matrix to __M4RI_MAX_MZD_BLOCKSIZE *
+  // radix / twokay = 268 million.
+  assert(!(T->flags & mzd_flag_multiple_blocks));
+
+  wi_t const writeblock  = writecol / m4ri_radix;
+  wi_t const readblock   = readcol  / m4ri_radix;
+
+  assert(writeblock - readblock <= 1);
+
+  int const twokay = __M4RI_TWOPOW(knar);
+  wi_t const wide  = T->width - writeblock;
+  wi_t const count = (wide + 7) / 8;
+  int const entry_point = wide % 8;
+  wi_t const next_row_offset = writeblock + T->rowstride - T->width;
+
+  word *a;
+  word *ti1 = T->rows[0] + writeblock;
+  word *ti = ti1         + T->rowstride;
+
+  M[0] = 0; E[0] = 0; B[0] = 0;
+  for (int i = 1; i < twokay; ++i) {
+    T->rows[i][readblock] = 0; /* we make sure that we can safely add from readblock */
+
+    rci_t rowneeded = r + m4ri_codebook[knar]->inc[i - 1];
+    a = A->rows[rowneeded] + writeblock;
+
+    /* Duff's device loop unrolling */
+    wi_t n = count;
+    switch (entry_point) {
+    case 0: do { *(ti++) = *(a++) ^ *(ti1++);
+    case 7:      *(ti++) = *(a++) ^ *(ti1++);
+    case 6:      *(ti++) = *(a++) ^ *(ti1++);
+    case 5:      *(ti++) = *(a++) ^ *(ti1++);
+    case 4:      *(ti++) = *(a++) ^ *(ti1++);
+    case 3:      *(ti++) = *(a++) ^ *(ti1++);
+    case 2:      *(ti++) = *(a++) ^ *(ti1++);
+    case 1:      *(ti++) = *(a++) ^ *(ti1++);
+      } while (--n > 0);
+    }
+    ti  += next_row_offset;
+    ti1 += next_row_offset;
+
+    /* U is a basis but not the canonical basis, so we need to read what element we just created from T */
+    E[ mzd_read_bits_int(T, i, writecol, k) ] = i;
+    M[ m4ri_spread_bits(m4ri_codebook[k]->ord[i], offsets, knar, base) ] = i;
+  }
+
+  /* We need fix the table to update the transformation matrix correctly; e.g. if the first row has
+     [1 0 1] and we clear a row below with [1 0 1] we need to encode that this row is cleared by
+     adding the first row only ([1 0 0]). */
+
+  int const bits_to_read = MIN(m4ri_radix, T->ncols - readcol);
+  for(int i = 1; i < twokay; ++i) {
+    word const fix = m4ri_spread_bits(__M4RI_CONVERT_TO_WORD(m4ri_codebook[k]->ord[i]), offsets, knar, base);
+    mzd_xor_bits(T, i, writecol, k, fix);
+    B[i] = mzd_read_bits(T, i, readcol, bits_to_read);
+  }
+
+  __M4RI_DD_MZD(T);
+  __M4RI_DD_RCI_ARRAY(E, twokay);
+  __M4RI_DD_RCI_ARRAY(M, twokay);
+}
+
+#define N 2
+#include "ple_russian_template.h"
+#undef N
+
+#define N 3
+#include "ple_russian_template.h"
+#undef N
+
+#define N 4
+#include "ple_russian_template.h"
+#undef N
+
+#define N 5
+#include "ple_russian_template.h"
+#undef N
+
+#define N 6
+#include "ple_russian_template.h"
+#undef N
+
+#define N 7
+#include "ple_russian_template.h"
+#undef N
+
+#define N 8
+#include "ple_russian_template.h"
+#undef N
+
+void _mzd_ple_a10(mzd_t *A, mzp_t const *P, rci_t const start_row, rci_t const start_col,
+                  wi_t const addblock, int const k, rci_t *pivots) {
+  if(addblock == A->width)
+    return;
+
+  /* perform needed row swaps */
+  for(rci_t i = start_row; i < start_row + k; ++i) {
+    _mzd_row_swap(A, i, P->values[i], addblock);
+  }
+
+  for(int i = 1; i < k; ++i) {
+    word const tmp = mzd_read_bits(A, start_row + i, start_col, pivots[i]);
+    word *target = A->rows[start_row + i];
+    for(int j = 0; j < i; ++j) {
+      if((tmp & m4ri_one << pivots[j])) {
+        word const *source = A->rows[start_row + j];
+        for(wi_t w = addblock; w < A->width; ++w) {
+          target[w] ^= source[w];
+        }
+      }
+    }
+  }
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZP(P);
+}
+
+void _mzd_ple_a11_1(mzd_t *A,
+                    rci_t const start_row, rci_t const stop_row, rci_t const start_col, wi_t const addblock,
+                    int const k, ple_table_t const *T0) {
+
+  wi_t const wide = A->width - addblock;
+  if (wide <= 0)
+    return;
+
+  for(rci_t i = start_row; i < stop_row; ++i) {
+    rci_t x0 = T0->M[mzd_read_bits_int(A,i,start_col, k)];
+    word const *s0 = T0->T->rows[x0] + addblock;
+    word *t = A->rows[i] + addblock;
+    _mzd_combine(t, s0, wide);
+  }
+
+  __M4RI_DD_MZD(A);
+}
+
+
+/* extract E from A for table creation */
+mzd_t *_mzd_ple_to_e(mzd_t *E, mzd_t const *A, rci_t r, rci_t c, int k, rci_t *offsets) {
+  /* this function call is now rather cheap, but it could be avoided
+     completetly if needed */
+  rci_t startcol = (c / m4ri_radix) * m4ri_radix;
+  mzd_submatrix(E, A, r, 0, r+k, A->ncols);
+
+  for(rci_t i = 0; i < k; ++i) {
+    for(rci_t j = startcol; j < c + offsets[i]; j+=m4ri_radix)
+      mzd_clear_bits(E, i, j, MIN(c + offsets[i] - j, m4ri_radix));
+  }
+
+  __M4RI_DD_MZD(E);
+  return E;
+}
+
+/* method of many people factorisation */
+rci_t _mzd_ple_russian(mzd_t *A, mzp_t *P, mzp_t *Q, int k) {
+  rci_t const nrows = A->nrows;
+  rci_t const ncols = A->ncols;
+  rci_t curr_row = 0;
+  rci_t curr_col = 0;
+  rci_t done_row = 0;
+
+  int knar = 0;
+
+  /** compute good k **/
+
+  if(k == 0) {
+    /* __M4RI_CPU_L2_CACHE == __M4RI_PLE_NTABLES * 2^k * B->width * 8 */
+    k = (int)log2((__M4RI_CPU_L2_CACHE/8)/(double)A->width/(double)__M4RI_PLE_NTABLES);
+
+    rci_t const klog = round(0.75 * log2_floor(MIN(nrows, ncols)));
+
+    if(klog < k) k = klog;
+    if (k<2)     k = 2;
+    else if(k>8) k = 8;
+  }
+  int kk = __M4RI_PLE_NTABLES * k;
+  assert(kk <= m4ri_radix);
+
+  /** initialise permutations as identity **/
+
+  for(rci_t i = 0; i < ncols; ++i)
+    Q->values[i] = i;
+
+  for(rci_t i = 0; i < nrows; ++i)
+    P->values[i] = i;
+
+  ple_table_t *T[__M4RI_PLE_NTABLES];
+
+  for(int i=0; i<__M4RI_PLE_NTABLES; i++)
+    T[i] = ple_table_init(k, ncols);
+
+  mzd_t *U = mzd_init(kk, ncols);
+
+  /* these are the elimination lookups */
+
+  rci_t *done   = (rci_t*)m4ri_mm_malloc(kk * sizeof(rci_t));
+  rci_t *pivots = (rci_t*)m4ri_mm_malloc(kk * sizeof(rci_t));
+
+  /**
+   * The algorithm proceeds as follows
+   */
+
+  while(curr_col < ncols && curr_row < nrows) {
+    if(curr_col + kk > ncols)
+      kk = ncols - curr_col;
+
+    /**
+     * 1. compute PLE factorisation for the knar x knar submatrix A00
+\verbatim
+       m4ri_radix * splitblock
+--------------------------------------
+| A00  |  A10                        |
+|      |                             |
+-------------------------------------- knar
+| A01  |  A11                        |
+|      |                             |
+-------------------------------------- done_row
+| A02  |  A12                        |
+|      |                             |
+|      |                             |
+|      |                             |
+|      |                             |
+|      |                             |
+--------------------------------------
+\endverbatim
+     */
+    /* + 8 blocks comes from 64 byte cache line, rest is minimum required and maximum possible */
+    wi_t splitblock = MIN( MAX( (curr_col + kk) / m4ri_radix + 1, (curr_col / m4ri_radix) + 8 ), A->width );
+
+    knar = _mzd_ple_submatrix(A, curr_row, nrows, curr_col, kk, P, Q, pivots, done, &done_row, splitblock);
+
+    /**
+     * 2. update A10
+     */
+
+    _mzd_ple_a10(A, P, curr_row, curr_col, splitblock, knar, pivots);
+
+    /**
+     * 3. extract U from A0 = (A00 | A10)
+     */
+
+    _mzd_ple_to_e(U, A, curr_row, curr_col, knar, pivots);
+
+
+    // treat no-pivot-was-found case
+    if (knar == 0) {
+      curr_col += kk;
+      curr_row += knar;
+
+      rci_t i = curr_row;
+      rci_t j = curr_col;
+      int found = mzd_find_pivot(A, curr_row, curr_col, &i, &j);
+      if(found) {
+        P->values[curr_row] = i;
+        Q->values[curr_row] = j;
+        mzd_row_swap(A, curr_row, i);
+        wi_t const wrd = j / m4ri_radix;
+        word const bm = m4ri_one << (j % m4ri_radix);
+        if (j + 1 < A->ncols)
+          for(rci_t l = curr_row + 1; l < nrows; ++l)
+            if(A->rows[l][wrd] & bm)
+              mzd_row_add_offset(A, l, curr_row, j + 1);
+        curr_col = j + 1;
+        ++curr_row;
+      } else {
+        break;
+      }
+      continue;
+    }
+
+    int k_[__M4RI_PLE_NTABLES], knar_[__M4RI_PLE_NTABLES], ntables = 0;
+
+    if (__M4RI_PLE_NTABLES >= 8 && kk >= 7*k && kk >= 8)
+      ntables = 8;
+    else if (__M4RI_PLE_NTABLES >= 7 && kk >= 6*k && kk >= 7)
+      ntables = 7;
+    else if (__M4RI_PLE_NTABLES >= 6 && kk >= 5*k && kk >= 6)
+      ntables = 6;
+    else if (__M4RI_PLE_NTABLES >= 5 && kk >= 4*k && kk >= 5)
+      ntables = 5;
+    else if (__M4RI_PLE_NTABLES >= 4 && kk >= 3*k && kk >= 4)
+      ntables = 4;
+    else if (__M4RI_PLE_NTABLES >= 3 && kk >= 2*k && kk >= 3)
+      ntables = 3;
+    else if (__M4RI_PLE_NTABLES >= 2 && kk >=   k && kk >= 2)
+      ntables = 2;
+    else
+      ntables = 1;
+
+    _kk_setup(kk, knar, k_, knar_, pivots, ntables);
+
+    /**
+     * 4. generate multiplication and inversion tables T amd E from U
+     */
+
+    rci_t i_knar = 0;
+    rci_t i_curr_col = curr_col;
+    rci_t *i_pivots = pivots;
+    int i_base = 0;
+    for(int i=0; i<ntables; i++) {
+      mzd_make_table_ple(U, i_knar, i_curr_col, k_[i], knar_[i], T[i], i_pivots,  i_base, curr_col);
+      i_knar += knar_[i];
+      i_curr_col += k_[i];
+      i_pivots += knar_[i];
+      i_base += k_[i];
+    }
+
+    switch(ntables) {
+    case 8:
+      /**
+       * 5. update A1 = (A01 | A11) */
+      _mzd_ple_a11_8(A, curr_row + knar , done_row + 1, curr_col, splitblock, k_, (const ple_table_t**)T);
+      /**
+       * 6. update A2 = (A02 | A12) */
+      if (done_row < nrows) _mzd_process_rows_ple_8(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 7:
+      _mzd_ple_a11_7(A, curr_row + knar , done_row + 1, curr_col, splitblock, k_, (const ple_table_t**)T);
+
+      if (done_row < nrows) _mzd_process_rows_ple_7(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 6:
+      _mzd_ple_a11_6(A, curr_row + knar , done_row + 1, curr_col, splitblock, k_, (const ple_table_t**)T);
+      if (done_row < nrows) _mzd_process_rows_ple_6(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 5:
+      _mzd_ple_a11_5(A, curr_row + knar, done_row + 1, curr_col, splitblock, k_, (const ple_table_t**)T);
+
+      if (done_row < nrows) _mzd_process_rows_ple_5(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 4:
+      _mzd_ple_a11_4(A, curr_row + knar, done_row + 1, curr_col, splitblock, k_, (const ple_table_t**)T);
+
+      if (done_row < nrows) _mzd_process_rows_ple_4(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 3:
+      _mzd_ple_a11_3(A, curr_row + knar, done_row+1, curr_col, splitblock, k_, (const ple_table_t**)T);
+
+      if (done_row < nrows) _mzd_process_rows_ple_3(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 2:
+      _mzd_ple_a11_2(A, curr_row + knar, done_row+1, curr_col, splitblock, k_, (const ple_table_t**)T);
+
+      if(done_row < nrows) _mzd_process_rows_ple_2(A, done_row + 1, nrows, curr_col, k_, (const ple_table_t**)T);
+      break;
+
+    case 1:
+      _mzd_ple_a11_1(A, curr_row + knar, done_row+1, curr_col, splitblock, kk, T[0]);
+
+      if(done_row < nrows) mzd_process_rows(A, done_row + 1, nrows, curr_col, kk, T[0]->T, T[0]->E);
+      break;
+    default:
+      m4ri_die("ntables = %d not supported.\n",ntables);
+    }
+
+    curr_col += kk;
+    curr_row += knar;
+  }
+
+  /* Now compressing L */
+  for (rci_t j = 0; j < curr_row; ++j){
+    if (Q->values[j] > j) {
+      mzd_col_swap_in_rows(A, Q->values[j], j, j, curr_row);
+    }
+  }
+  mzp_t *Qbar = mzp_init_window(Q, 0, curr_row);
+  mzd_apply_p_right_trans_even_capped(A, Qbar, curr_row, 0);
+  mzp_free_window(Qbar);
+
+  mzd_free(U);
+  for(int i=0; i<__M4RI_PLE_NTABLES; i++) {
+    ple_table_free(T[i]);
+  }
+  m4ri_mm_free(done);   m4ri_mm_free(pivots);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZP(P);
+  __M4RI_DD_MZP(Q);
+  __M4RI_DD_RCI(curr_row);
+
+  return curr_row;
+}
+
+rci_t _mzd_pluq_russian(mzd_t *A, mzp_t *P, mzp_t *Q, int const k) {
+  rci_t r = _mzd_ple_russian(A, P, Q, k);
+  mzd_apply_p_right_trans_tri(A, Q);
+  return r;
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.h
new file mode 100644
index 0000000..ee55785
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.h
@@ -0,0 +1,207 @@
+/**
+ * \file ple_russian.h
+ * \brief PLE and PLUQ factorization using Gray codes.
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ * \example testsuite/test_ple.c
+ */
+
+#ifndef M4RI_PLE_RUSSIAN
+#define M4RI_PLE_RUSSIAN
+
+ /*******************************************************************
+ *
+ *                 M4RI:  Linear Algebra over GF(2)
+ *
+ *    Copyright (C) 2008-2011 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *  version 2 or higher.
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+
+#include <m4ri/mzd.h>
+#include <m4ri/mzp.h>
+
+/**
+ * \brief PLE Elimination Tables 
+ */
+typedef struct {
+  mzd_t *T; /*!< the actual table with 2^k entries */
+  rci_t *M; /*!< lookup for multiplication */
+  rci_t *E; /*!< lookup for elimination */
+  word  *B; /*!< cache of first 64 entries in each row */
+} ple_table_t;
+
+/**
+ * Create new table with 2^k rows and ncols.
+ *
+ * \param k log2 of the number of rows (0 < k <= 8).
+ * \param ncols Number of columns.
+ */
+
+ple_table_t *ple_table_init(int k, rci_t ncols);
+
+/**
+ * \brief Delete table T
+ * 
+ * \param T PLE table.
+ */
+
+void ple_table_free(ple_table_t *T);
+
+
+/**
+ * \brief PLE matrix decomposition of A using Gray codes.
+ *
+ * Returns (P,L,E,Q) satisfying PLE = A where P is a permutation
+ * matrix of dimension m x m, L is m x r unit lower triangular and S
+ * is an r x n matrix which is upper triangular except that its
+ * columns are permuted, that is E = UQ for U r x n upper triangular
+ * and Q is a n x n permutation matrix. The matrix L and E are stored
+ * in place over A.
+ *
+ * \param A Matrix.
+ * \param P Preallocated row permutation.
+ * \param Q Preallocated column permutation.
+ * \param k Size of Gray code tables.
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_ple_russian(mzd_t *A, mzp_t *P, mzp_t *Q, int k);
+
+/**
+ * \brief PLUQ matrix decomposition of A using Gray codes.
+ *
+ * Returns (P,L,U,Q) satisfying PLUQ = A where P and Q are two
+ * permutation matrices, of dimension respectively m x m and n x n, L
+ * is m x r unit lower triangular and U is r x n upper triangular.
+ *
+ * \param A Matrix.
+ * \param P Preallocated row permutation.
+ * \param Q Preallocated column permutation.
+ * \param k Size of Gray code tables.
+ *
+ * \return Rank of A.
+ */
+
+rci_t _mzd_pluq_russian(mzd_t *A, mzp_t *P, mzp_t *Q, int k);
+
+/**
+ * \brief PLE matrix decomposition of a submatrix for up to k columns
+ * starting at (r,c).
+ *
+ * Updates P and Q and modifies A in place. The buffer done afterwards
+ * holds how far a particular row was already eliminated.
+ *
+ * \param A Matrix.
+ * \param start_row Row Offset.
+ * \param stop_row Up to which row the matrix should be processed (exclusive).
+ * \param start_col Column Offset.
+ * \param k Size of Gray code tables.
+ * \param P Preallocated row permutation.
+ * \param Q Preallocated column permutation.
+ * \param pivots which column holds the i-th pivot
+ * \param done Preallocated temporary buffer.
+ * \param done_row Stores the last row which is already reduced processed after function execution.
+ * \param splitblock First block which is not considered by this function.
+ *
+ * \retval knar rank of the considered submatrix
+ */
+
+int _mzd_ple_submatrix(mzd_t *A,
+                       rci_t const start_row, rci_t const stop_row,
+                       rci_t const start_col, int const k,
+                       mzp_t *P, mzp_t *Q, rci_t *pivots, rci_t *done, rci_t *done_row,
+                       wi_t const splitblock);
+
+/**
+ * \brief Extract the k x A::ncols echelon form submatrix of A starting at row r and column c.
+ *
+ * \param E Storage for k x A::ncols matrix.
+ * \param A Source matrix.
+ * \param r Row index.
+ * \param c Column index.
+ * \param k Rank of E.
+ * \param k Map from i to column of i-th pivot.
+ * \param offsets Encodes which columns contain pivots
+ */
+mzd_t *_mzd_ple_to_e(mzd_t *E, mzd_t const *A, rci_t r, rci_t c, int k, rci_t *offsets);
+
+/**
+ * \brief add rows T[0],T[1] to M between startrow and stoprow, starting at startcol.
+ *
+ * \param M        Matrix
+ * \param startrow Start processing in this row
+ * \param stoprow  Stop processing in this row
+ * \param startcol Start processing in this column
+ * \param k        Number of bits to read in each table
+ * \param T        PLE Table with 2^k[i] rows
+ */
+
+void _mzd_process_rows_ple_2(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const *k, const ple_table_t **T);
+
+/**
+ * \brief add rows T[0],T[1],T[2] to M between startrow and stoprow, starting at startcol.
+ *
+ * \param M        Matrix
+ * \param startrow Start processing in this row
+ * \param stoprow  Stop processing in this row
+ * \param startcol Start processing in this column
+ * \param k        Number of bits to read in each table
+ * \param T        PLE Table with 2^k[i] rows
+ */
+
+void _mzd_process_rows_ple_3(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const *k, const ple_table_t **T);
+
+/**
+ * \brief add rows T[0],T[1],T[2],T[3] to M between startrow and stoprow, starting at startcol.
+ *
+ * \param M        Matrix
+ * \param startrow Start processing in this row
+ * \param stoprow  Stop processing in this row
+ * \param startcol Start processing in this column
+ * \param k        Number of bits to read in each table
+ * \param T        PLE Table with 2^k[i] rows
+ */
+
+void _mzd_process_rows_ple_4(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const *k, const ple_table_t **T);
+
+/**
+ * \brief add rows T[0],T[1],T[2],T[3],T[4] to M between startrow and stoprow, starting at startcol.
+ *
+ * \param M        Matrix
+ * \param startrow Start processing in this row
+ * \param stoprow  Stop processing in this row
+ * \param startcol Start processing in this column
+ * \param k        Number of bits to read in each table
+ * \param T        PLE Table with 2^k[i] rows
+ */
+
+void _mzd_process_rows_ple_5(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const *k, const ple_table_t **T);
+
+/**
+ * \brief add rows T[0],T[1],T[2],T[3],T[4],T[5] to M between startrow and stoprow, starting at startcol.
+ *
+ * \param M        Matrix
+ * \param startrow Start processing in this row
+ * \param stoprow  Stop processing in this row
+ * \param startcol Start processing in this column
+ * \param k        Number of bits to read in each table
+ * \param T        PLE Table with 2^k[i] rows
+ */
+
+void _mzd_process_rows_ple_6(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const *k, const ple_table_t **T);
+
+#endif // M4RI_PLE_RUSSIAN
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.lo
new file mode 100644
index 0000000..6e348d5
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.lo
@@ -0,0 +1,12 @@
+# m4ri/ple_russian.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/ple_russian.o'
+
+# Name of the non-PIC object
+non_pic_object='ple_russian.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.o
new file mode 100644
index 0000000..3c91754
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian_template.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian_template.h
new file mode 100644
index 0000000..bdb5310
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/ple_russian_template.h
@@ -0,0 +1,96 @@
+#include <m4ri/misc.h>
+
+void __M4RI_TEMPLATE_NAME(_mzd_process_rows_ple)(mzd_t *M, rci_t startrow, rci_t stoprow, rci_t startcol, int const k[N], const ple_table_t const *table[N]) {
+  assert(1 <= N && N <= 8);
+
+  const mzd_t *T[N];
+  const rci_t *E[N];
+  const word  *B[N];
+        word  bm[N];
+         int  sh[N];
+         int   x[N];
+  const word * t[N];
+
+  switch(N) { /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: T[7] = table[7]->T; E[7] = table[7]->E; B[7] = table[7]->B; bm[7] = __M4RI_LEFT_BITMASK(k[7]); sh[7] = k[0] + k[1] + k[2] + k[3] + k[4] + k[5] + k[6];
+  case 7: T[6] = table[6]->T; E[6] = table[6]->E; B[6] = table[6]->B; bm[6] = __M4RI_LEFT_BITMASK(k[6]); sh[6] = k[0] + k[1] + k[2] + k[3] + k[4] + k[5];
+  case 6: T[5] = table[5]->T; E[5] = table[5]->E; B[5] = table[5]->B; bm[5] = __M4RI_LEFT_BITMASK(k[5]); sh[5] = k[0] + k[1] + k[2] + k[3] + k[4];
+  case 5: T[4] = table[4]->T; E[4] = table[4]->E; B[4] = table[4]->B; bm[4] = __M4RI_LEFT_BITMASK(k[4]); sh[4] = k[0] + k[1] + k[2] + k[3];
+  case 4: T[3] = table[3]->T; E[3] = table[3]->E; B[3] = table[3]->B; bm[3] = __M4RI_LEFT_BITMASK(k[3]); sh[3] = k[0] + k[1] + k[2];
+  case 3: T[2] = table[2]->T; E[2] = table[2]->E; B[2] = table[2]->B; bm[2] = __M4RI_LEFT_BITMASK(k[2]); sh[2] = k[0] + k[1];
+  case 2: T[1] = table[1]->T; E[1] = table[1]->E; B[1] = table[1]->B; bm[1] = __M4RI_LEFT_BITMASK(k[1]); sh[1] = k[0];
+  case 1: T[0] = table[0]->T; E[0] = table[0]->E; B[0] = table[0]->B; bm[0] = __M4RI_LEFT_BITMASK(k[0]); sh[0] = 0;
+  }  
+
+  wi_t const block = startcol / m4ri_radix;
+  wi_t const wide = M->width - block;
+
+  for(rci_t r = startrow; r < stoprow; ++r) {
+    word bits = mzd_read_bits(M, r, startcol, sh[N-1] + k[N-1]);
+    word   *m = M->rows[r] + block;
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8:   x[ N-8 ] = E[ N-8 ][ (bits>> sh[ N-8 ]) & bm[ N-8 ] ];  bits ^= B[ N-8 ][x[ N-8 ]];  t[ N-8 ] = T[ N-8 ]->rows[x[ N-8 ]] + block;
+    case 7:   x[ N-7 ] = E[ N-7 ][ (bits>> sh[ N-7 ]) & bm[ N-7 ] ];  bits ^= B[ N-7 ][x[ N-7 ]];  t[ N-7 ] = T[ N-7 ]->rows[x[ N-7 ]] + block;
+    case 6:   x[ N-6 ] = E[ N-6 ][ (bits>> sh[ N-6 ]) & bm[ N-6 ] ];  bits ^= B[ N-6 ][x[ N-6 ]];  t[ N-6 ] = T[ N-6 ]->rows[x[ N-6 ]] + block;
+    case 5:   x[ N-5 ] = E[ N-5 ][ (bits>> sh[ N-5 ]) & bm[ N-5 ] ];  bits ^= B[ N-5 ][x[ N-5 ]];  t[ N-5 ] = T[ N-5 ]->rows[x[ N-5 ]] + block;
+    case 4:   x[ N-4 ] = E[ N-4 ][ (bits>> sh[ N-4 ]) & bm[ N-4 ] ];  bits ^= B[ N-4 ][x[ N-4 ]];  t[ N-4 ] = T[ N-4 ]->rows[x[ N-4 ]] + block;
+    case 3:   x[ N-3 ] = E[ N-3 ][ (bits>> sh[ N-3 ]) & bm[ N-3 ] ];  bits ^= B[ N-3 ][x[ N-3 ]];  t[ N-3 ] = T[ N-3 ]->rows[x[ N-3 ]] + block;
+    case 2:   x[ N-2 ] = E[ N-2 ][ (bits>> sh[ N-2 ]) & bm[ N-2 ] ];  bits ^= B[ N-2 ][x[ N-2 ]];  t[ N-2 ] = T[ N-2 ]->rows[x[ N-2 ]] + block;
+    case 1:   x[ N-1 ] = E[ N-1 ][ (bits>> sh[ N-1 ]) & bm[ N-1 ] ];  bits ^= B[ N-1 ][x[ N-1 ]];  t[ N-1 ] = T[ N-1 ]->rows[x[ N-1 ]] + block;
+    }
+
+    __M4RI_TEMPLATE_NAME(_mzd_combine)(m, t, wide);
+  }
+
+  __M4RI_DD_MZD(M);
+}
+
+void __M4RI_TEMPLATE_NAME(_mzd_ple_a11)(mzd_t *A,
+                                        rci_t const start_row, rci_t const stop_row, rci_t const start_col, wi_t const block,
+                                        int const k[N], ple_table_t const *table[N]) {
+
+  wi_t const wide = A->width - block;
+
+  if(wide <= 0) 
+    return;
+
+  const mzd_t *T[N];
+  const rci_t *M[N];
+        word  bm[N];
+         int  sh[N];
+         int   x[N];
+  const word * t[N];
+
+  switch(N) { /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: T[7] = table[7]->T; M[7] = table[7]->M; bm[7] = __M4RI_LEFT_BITMASK(k[7]); sh[7] = k[0] + k[1] + k[2] + k[3] + k[4] + k[5] + k[6];
+  case 7: T[6] = table[6]->T; M[6] = table[6]->M; bm[6] = __M4RI_LEFT_BITMASK(k[6]); sh[6] = k[0] + k[1] + k[2] + k[3] + k[4] + k[5];
+  case 6: T[5] = table[5]->T; M[5] = table[5]->M; bm[5] = __M4RI_LEFT_BITMASK(k[5]); sh[5] = k[0] + k[1] + k[2] + k[3] + k[4];
+  case 5: T[4] = table[4]->T; M[4] = table[4]->M; bm[4] = __M4RI_LEFT_BITMASK(k[4]); sh[4] = k[0] + k[1] + k[2] + k[3];
+  case 4: T[3] = table[3]->T; M[3] = table[3]->M; bm[3] = __M4RI_LEFT_BITMASK(k[3]); sh[3] = k[0] + k[1] + k[2];
+  case 3: T[2] = table[2]->T; M[2] = table[2]->M; bm[2] = __M4RI_LEFT_BITMASK(k[2]); sh[2] = k[0] + k[1];
+  case 2: T[1] = table[1]->T; M[1] = table[1]->M; bm[1] = __M4RI_LEFT_BITMASK(k[1]); sh[1] = k[0];
+  case 1: T[0] = table[0]->T; M[0] = table[0]->M; bm[0] = __M4RI_LEFT_BITMASK(k[0]); sh[0] = 0;
+  };
+
+  const rci_t bits_to_read = sh[N-1] + k[N-1];
+
+  for(rci_t i = start_row; i < stop_row; ++i) {
+    const word bits = mzd_read_bits(A, i, start_col, bits_to_read);
+    word *m = A->rows[i] + block;
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8:   x[ N-8 ] = M[ N-8 ][ (bits>> sh[ N-8 ]) & bm[ N-8 ] ]; t[ N-8 ] = T[ N-8 ]->rows[ x[ N-8 ] ] + block;
+    case 7:   x[ N-7 ] = M[ N-7 ][ (bits>> sh[ N-7 ]) & bm[ N-7 ] ]; t[ N-7 ] = T[ N-7 ]->rows[ x[ N-7 ] ] + block;
+    case 6:   x[ N-6 ] = M[ N-6 ][ (bits>> sh[ N-6 ]) & bm[ N-6 ] ]; t[ N-6 ] = T[ N-6 ]->rows[ x[ N-6 ] ] + block;
+    case 5:   x[ N-5 ] = M[ N-5 ][ (bits>> sh[ N-5 ]) & bm[ N-5 ] ]; t[ N-5 ] = T[ N-5 ]->rows[ x[ N-5 ] ] + block;
+    case 4:   x[ N-4 ] = M[ N-4 ][ (bits>> sh[ N-4 ]) & bm[ N-4 ] ]; t[ N-4 ] = T[ N-4 ]->rows[ x[ N-4 ] ] + block;
+    case 3:   x[ N-3 ] = M[ N-3 ][ (bits>> sh[ N-3 ]) & bm[ N-3 ] ]; t[ N-3 ] = T[ N-3 ]->rows[ x[ N-3 ] ] + block;
+    case 2:   x[ N-2 ] = M[ N-2 ][ (bits>> sh[ N-2 ]) & bm[ N-2 ] ]; t[ N-2 ] = T[ N-2 ]->rows[ x[ N-2 ] ] + block;
+    case 1:   x[ N-1 ] = M[ N-1 ][ (bits>> sh[ N-1 ]) & bm[ N-1 ] ]; t[ N-1 ] = T[ N-1 ]->rows[ x[ N-1 ] ] + block;
+    }
+    __M4RI_TEMPLATE_NAME(_mzd_combine)(m, t, wide);
+  }
+  __M4RI_DD_MZD(A);
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.c
new file mode 100644
index 0000000..4438418
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.c
@@ -0,0 +1,185 @@
+ /*******************************************************************
+ *
+ *            M4RI: Linear Algebra over GF(2)
+ *
+ *       Copyright (C) 2008 Jean-Guillaume.Dumas@imag.fr
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *  version 2 or higher.
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "solve.h"
+#include "strassen.h"
+#include "ple.h"
+#include "triangular.h"
+#include "mzp.h"
+
+int mzd_solve_left(mzd_t *A, mzd_t *B, int const cutoff, int const inconsistency_check) {    
+  if(A->ncols > B->nrows)
+    m4ri_die("mzd_solve_left: A ncols (%d) must be smaller than B nrows (%d).\n", A->ncols, B->nrows);
+
+  return _mzd_solve_left(A, B, cutoff, inconsistency_check);
+}
+ 
+int mzd_pluq_solve_left (mzd_t const *A, rci_t rank, 
+                         mzp_t const *P, mzp_t const *Q, 
+                         mzd_t *B, int const cutoff, int const inconsistency_check) {
+  if(A->ncols > B->nrows)
+    m4ri_die("mzd_pluq_solve_left: A ncols (%d) need to be lower than B nrows (%d).\n", A->ncols, B->nrows);
+  if(P->length != A->nrows)
+      m4ri_die("mzd_pluq_solve_left: A nrows (%d) need to match P size (%d).\n", A->nrows, P->length);
+  if(Q->length != A->ncols)
+      m4ri_die("mzd_pluq_solve_left: A ncols (%d) need to match Q size (%d).\n", A->ncols, P->length);
+
+  return _mzd_pluq_solve_left (A, rank, P, Q, B, cutoff, inconsistency_check);
+}
+
+int _mzd_pluq_solve_left(mzd_t const *A, rci_t rank, 
+                         mzp_t const *P, mzp_t const *Q, 
+                         mzd_t *B, int const cutoff, int const inconsistency_check) {
+  /** A is supposed to store L lower triangular and U upper triangular
+   *  B is modified in place 
+   *  (Bi's in the comments are just modified versions of B)
+   *  PLUQ = A
+   *  1) P B2 = B1
+   *  2) L B3 = B2
+   *  3) U B4 = B3
+   *  4) Q B5 = B4
+   */
+
+  int retval = 0;
+
+  /* P B2 = B1 or B2 = P^T B1 */
+  mzd_apply_p_left(B, P);
+  
+  /* L B3 = B2 */
+  
+  /* view on the upper part of L */
+  mzd_t const *LU = mzd_init_window_const(A, 0, 0, rank, rank);
+  mzd_t *Y1 = mzd_init_window(B, 0, 0, rank, B->ncols);
+  mzd_trsm_lower_left(LU, Y1, cutoff);
+
+  if (inconsistency_check) { /* Check for inconsistency */    
+    /** FASTER without this check; update with the lower part of L
+     */
+    mzd_t const *H  = mzd_init_window_const(A, rank, 0, A->nrows, rank);
+    mzd_t *Y2 = mzd_init_window(B, rank, 0, A->nrows, B->ncols);
+    if(A->nrows < B->nrows) {
+      mzd_t *Y3 = mzd_init_window(B, A->nrows, 0, B->nrows, B->ncols);
+      mzd_set_ui(Y3, 0);
+      mzd_free_window(Y3);
+    }
+    mzd_addmul(Y2, H, Y1, cutoff);
+    /*
+     * test whether Y2 is the zero matrix
+     */
+    if(!mzd_is_zero(Y2)) {
+      retval = -1;
+    }
+    mzd_free_window((mzd_t*)H);
+    mzd_free_window(Y2);
+  }
+  /* U B4 = B3 */
+  mzd_trsm_upper_left(LU, Y1, cutoff);
+  mzd_free_window((mzd_t*)LU);
+  mzd_free_window(Y1);
+  
+  if (!inconsistency_check) {
+    /** Default is to set the undefined bits to zero if inconsistency
+     * has been checked then Y2 bits are already all zeroes thus this
+     * clearing is not needed
+     */
+    for(rci_t i = rank; i < B->nrows; ++i) {
+      for(rci_t j = 0; j < B->ncols; j += m4ri_radix) {
+        mzd_clear_bits(B, i, j, MIN(m4ri_radix, B->ncols - j));
+      }
+    }
+  }
+  /* Q B5 = B4 or B5 = Q^T B4 */
+  mzd_apply_p_left_trans(B, Q);
+
+  /* P L U Q B5 = B1 */
+  __M4RI_DD_MZD(B); 
+  __M4RI_DD_INT(retval);
+  return retval;
+}
+
+int _mzd_solve_left(mzd_t *A, mzd_t *B, int const cutoff, int const inconsistency_check) {
+  /**
+   *  B is modified in place 
+   *  (Bi's in the comments are just modified versions of B)
+   *  1) PLUQ = A
+   *  2) P B2 = B1
+   *  3) L B3 = B2
+   *  4) U B4 = B3
+   *  5) Q B5 = B4
+   */
+  mzp_t *P = mzp_init(A->nrows);
+  mzp_t *Q = mzp_init(A->ncols);
+  
+  /* PLUQ = A */
+  rci_t rank = _mzd_pluq(A, P, Q, cutoff);
+  /* 2, 3, 4, 5 */
+  int retval = mzd_pluq_solve_left(A, rank, P, Q, B, cutoff, inconsistency_check);
+  
+  mzp_free(P);
+  mzp_free(Q);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZD(B);
+  return retval;
+}
+
+mzd_t *mzd_kernel_left_pluq(mzd_t *A, int const cutoff) {
+  mzp_t *P = mzp_init(A->nrows);
+  mzp_t *Q = mzp_init(A->ncols);
+
+  rci_t r = mzd_pluq(A, P, Q, cutoff);
+
+  if (r == A->ncols) {
+    mzp_free(P);
+    mzp_free(Q);
+    __M4RI_DD_MZD(A);
+    return NULL;
+  }
+
+  mzd_t *U = mzd_init_window(A, 0, 0, r, r);
+
+  mzd_t *R = mzd_init(A->ncols, A->ncols - r);
+  mzd_t *RU = mzd_init_window(R, 0, 0, r, R->ncols);
+
+  for(rci_t i=0; i< r ; i++) {
+    for(rci_t j=0; j< RU->ncols; j+=m4ri_radix) {
+      const int workload = MIN(m4ri_radix, RU->ncols - j);
+      mzd_xor_bits(RU, i, j, workload, mzd_read_bits(A, i, r + j, workload));
+    }
+  }
+
+  mzd_trsm_upper_left(U, RU, cutoff);
+
+  for(rci_t i = 0; i < R->ncols; ++i) {
+    mzd_write_bit(R, r + i, i, 1);
+  }
+  mzd_apply_p_left_trans(R, Q);
+  mzp_free(P);
+  mzp_free(Q);
+  mzd_free_window(RU);
+  mzd_free_window(U);
+
+  __M4RI_DD_MZD(A);
+  __M4RI_DD_MZD(R);
+  return R;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.h
new file mode 100644
index 0000000..593fd59
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.h
@@ -0,0 +1,142 @@
+/**
+ * \file solve.h
+ *
+ * \brief System solving with matrix routines.
+ *
+ * \author Jean-Guillaume Dumas <Jean-Guillaume.Dumas@imag.fr>
+ *
+ */
+
+#ifndef M4RI_SOLVE_H
+#define M4RI_SOLVE_H
+
+ /*******************************************************************
+ *
+ *            M4RI: Linear Algebra over GF(2)
+ *
+ *       Copyright (C) 2008 Jean-Guillaume.Dumas@imag.fr
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+
+#include <m4ri/mzp.h>
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Solves A X = B with A and B matrices. 
+ *
+ * The solution X is stored inplace on B.
+ *
+ * \param A Input matrix (overwritten).
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion (default: 0).
+ * \param inconsistency_check decide wether or not to perform a check
+ *        for incosistency (faster without but output not defined if
+ *        system is not consistent).
+ * \return 0 if a solution was found, -1 otherwise
+ */
+int mzd_solve_left(mzd_t *A, mzd_t *B, int const cutoff, int const inconsistency_check);
+
+/**
+ * \brief Solves (P L U Q) X = B
+ * 
+ * A is an input matrix supposed to store both:
+ * \li  an upper right triangular matrix U
+ * \li  a lower left unitary triangular matrix L.
+ *
+ * The solution X is stored inplace on B
+ *
+ * This version assumes that the matrices are at an even position on
+ * the m4ri_radix grid and that their dimension is a multiple of m4ri_radix.
+ *
+ * \param A Input upper/lower triangular matrices.
+ * \param rank is rank of A.
+ * \param P Input row permutation matrix.
+ * \param Q Input column permutation matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X.
+ * \param cutoff Minimal dimension for Strassen recursion (default: 0).
+ * \param inconsistency_check decide whether or not to perform a check
+ *        for incosistency (faster without but output not defined if
+ *        system is not consistent).  \return 0 if a solution was
+ *        found, -1 otherwise
+ * \return 0 if a solution was found, -1 otherwise
+ */
+int mzd_pluq_solve_left (mzd_t const *A, rci_t rank, 
+                         mzp_t const *P, mzp_t const *Q, 
+                         mzd_t *B, int const cutoff, int const inconsistency_check);
+
+/**
+ * \brief  Solves (P L U Q) X = B
+ *
+ * A is an input matrix supposed to store both:
+ * \li an upper right triangular matrix U
+ * \li a lower left unitary triangular matrix L.
+
+ * The solution X is stored inplace on B.
+ *
+ * This version assumes that the matrices are at an even position on
+ * the m4ri_radix grid and that their dimension is a multiple of m4ri_radix.
+ *
+ * \param A Input upper/lower triangular matrices.
+ * \param rank is rank of A.
+ * \param P Input row permutation matrix.
+ * \param Q Input column permutation matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X.
+ * \param cutoff Minimal dimension for Strassen recursion (default: 0).
+ * \param inconsistency_check decide whether or not to perform a check
+ *        for incosistency (faster without but output not defined if
+ *        system is not consistent).  \return 0 if a solution was
+ *        found, -1 otherwise
+ * \return 0 if a solution was found, -1 otherwise
+ */
+int _mzd_pluq_solve_left(mzd_t const *A, rci_t rank, 
+                         mzp_t const *P, mzp_t const *Q, 
+                         mzd_t *B, int const cutoff, int const inconsistency_check);
+
+/**
+ * \brief Solves A X = B with A and B matrices.
+ *
+ * The solution X is stored inplace on B.
+ *
+ * This version assumes that the matrices are at an even position on
+ * the m4ri_radix grid and that their dimension is a multiple of m4ri_radix.
+ *
+ * \param A Input matrix (overwritten).
+ * \param B Input matrix, being overwritten by the solution matrix X.
+ * \param cutoff Minimal dimension for Strassen recursion (default: 0).
+ * \param inconsistency_check decide whether or not to perform a check
+ *        for incosistency (faster without but output not defined if
+ *        system is not consistent).  \return 0 if a solution was
+ *        found, -1 otherwise
+ * \return 0 if a solution was found, -1 otherwise
+ */
+int _mzd_solve_left(mzd_t *A, mzd_t *B, int const cutoff, int const inconsistency_check);
+
+/**
+ * \brief Solve X for A X = 0.
+ *
+ * If r is the rank of the nr x nc matrix A, return the nc x (nc-r)
+ * matrix X such that A*X == 0 and that the columns of X are linearly
+ * independent.
+ *
+ * \param A Input matrix (overwritten).
+ * \param cutoff Minimal dimension for Strassen recursion (default: 0).
+ *
+ * \sa mzd_pluq()
+ *
+ * \return X, NULL if kernel is empty
+ */
+
+mzd_t *mzd_kernel_left_pluq(mzd_t *A, int const cutoff);
+
+#endif // M4RI_SOLVE_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.lo
new file mode 100644
index 0000000..0949911
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.lo
@@ -0,0 +1,12 @@
+# m4ri/solve.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/solve.o'
+
+# Name of the non-PIC object
+non_pic_object='solve.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.o
new file mode 100644
index 0000000..c274bad
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/solve.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/stamp-h1 b/src-light-solver/preprocess/m4ri-20140914/m4ri/stamp-h1
new file mode 100644
index 0000000..5768b68
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/stamp-h1
@@ -0,0 +1 @@
+timestamp for m4ri/config.h
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.c
new file mode 100644
index 0000000..c206010
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.c
@@ -0,0 +1,698 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*    Copyright (C) 2008 Clement Pernet <pernet@math.washington.edu>
+*    Copyright (C) 2008 Marco Bodrato <bodrato@mail.dm.unipi.it>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "graycode.h"
+#include "strassen.h"
+#include "parity.h"
+#ifndef MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#if __M4RI_HAVE_OPENMP
+#include <omp.h>
+#endif
+
+// Returns true if a is closer to cutoff than a/2.
+static inline int closer(rci_t a, int cutoff) {
+  return 3 * a < 4 * cutoff;
+}
+
+
+mzd_t *_mzd_mul_even(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  rci_t mmm, kkk, nnn;
+
+  if(C->nrows == 0 || C->ncols == 0)
+    return C;
+
+  rci_t m = A->nrows;
+  rci_t k = A->ncols;
+  rci_t n = B->ncols;
+
+  /* handle case first, where the input matrices are too small already */
+  if (closer(m, cutoff) || closer(k, cutoff) || closer(n, cutoff)) {
+    /* we copy the matrices first since it is only constant memory overhead and improves data
+       locality */
+    if(mzd_is_windowed(A)|mzd_is_windowed(B)|mzd_is_windowed(C)) {
+      mzd_t *Abar = mzd_copy(NULL, A);
+      mzd_t *Bbar = mzd_copy(NULL, B);
+      mzd_t *Cbar = mzd_init(m, n);
+      _mzd_mul_m4rm(Cbar, Abar, Bbar, 0, FALSE);
+      mzd_copy(C, Cbar);
+      mzd_free(Cbar);
+      mzd_free(Bbar);
+      mzd_free(Abar);
+    } else {
+      _mzd_mul_m4rm(C, A, B, 0, TRUE);
+    }
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+
+  rci_t mult = m4ri_radix;
+  rci_t width = MIN(MIN(m, n), k) / 2;
+  while (width > cutoff) {
+    width /= 2;
+    mult *= 2;
+  }
+
+  mmm = (((m - m % mult) / m4ri_radix) >> 1) * m4ri_radix;
+  kkk = (((k - k % mult) / m4ri_radix) >> 1) * m4ri_radix;
+  nnn = (((n - n % mult) / m4ri_radix) >> 1) * m4ri_radix;
+
+  /*         |A |   |B |   |C |
+   * Compute |  | x |  | = |  | */
+  {
+    mzd_t const *A11 = mzd_init_window_const(A,   0,   0,   mmm,   kkk);
+    mzd_t const *A12 = mzd_init_window_const(A,   0, kkk,   mmm, 2*kkk);
+    mzd_t const *A21 = mzd_init_window_const(A, mmm,   0, 2*mmm,   kkk);
+    mzd_t const *A22 = mzd_init_window_const(A, mmm, kkk, 2*mmm, 2*kkk);
+
+    mzd_t const *B11 = mzd_init_window_const(B,   0,   0,   kkk,   nnn);
+    mzd_t const *B12 = mzd_init_window_const(B,   0, nnn,   kkk, 2*nnn);
+    mzd_t const *B21 = mzd_init_window_const(B, kkk,   0, 2*kkk,   nnn);
+    mzd_t const *B22 = mzd_init_window_const(B, kkk, nnn, 2*kkk, 2*nnn);
+
+    mzd_t *C11 = mzd_init_window(C,   0,   0,   mmm,   nnn);
+    mzd_t *C12 = mzd_init_window(C,   0, nnn,   mmm, 2*nnn);
+    mzd_t *C21 = mzd_init_window(C, mmm,   0, 2*mmm,   nnn);
+    mzd_t *C22 = mzd_init_window(C, mmm, nnn, 2*mmm, 2*nnn);
+
+    /**
+     * \note See Marco Bodrato; "A Strassen-like Matrix Multiplication
+     * Suited for Squaring and Highest Power Computation";
+     * http://bodrato.it/papres/#CIVV2008 for reference on the used
+     * sequence of operations.
+     */
+
+    /* change this to mzd_init(mmm, MAX(nnn,kkk)) to fix the todo below */
+    mzd_t *Wmk = mzd_init(mmm, kkk);
+    mzd_t *Wkn = mzd_init(kkk, nnn);
+
+    _mzd_add(Wkn, B22, B12);		 /* Wkn = B22 + B12 */
+    _mzd_add(Wmk, A22, A12);		 /* Wmk = A22 + A12 */
+    _mzd_mul_even(C21, Wmk, Wkn, cutoff);/* C21 = Wmk * Wkn */
+
+    _mzd_add(Wmk, A22, A21);		 /* Wmk = A22 - A21 */
+    _mzd_add(Wkn, B22, B21);		 /* Wkn = B22 - B21 */
+    _mzd_mul_even(C22, Wmk, Wkn, cutoff);/* C22 = Wmk * Wkn */
+
+    _mzd_add(Wkn, Wkn, B12);		 /* Wkn = Wkn + B12 */
+    _mzd_add(Wmk, Wmk, A12);		 /* Wmk = Wmk + A12 */
+    _mzd_mul_even(C11, Wmk, Wkn, cutoff);/* C11 = Wmk * Wkn */
+
+    _mzd_add(Wmk, Wmk, A11);		 /* Wmk = Wmk - A11 */
+    _mzd_mul_even(C12, Wmk, B12, cutoff);/* C12 = Wmk * B12 */
+    _mzd_add(C12, C12, C22);		 /* C12 = C12 + C22 */
+
+    /**
+     * \todo ideally we would use the same Wmk throughout the function
+     * but some called function doesn't like that and we end up with a
+     * wrong result if we use virtual Wmk matrices. Ideally, this should
+     * be fixed not worked around. The check whether the bug has been
+     * fixed, use only one Wmk and check if mzd_mul(4096, 3528,
+     * 4096, 2124) still returns the correct answer.
+     */
+
+    mzd_free(Wmk);
+    Wmk = mzd_mul(NULL, A12, B21, cutoff);/*Wmk = A12 * B21 */
+
+    _mzd_add(C11, C11, Wmk);		  /* C11 = C11 + Wmk */
+    _mzd_add(C12, C11, C12);		  /* C12 = C11 - C12 */
+    _mzd_add(C11, C21, C11);		  /* C11 = C21 - C11 */
+    _mzd_add(Wkn, Wkn, B11);		  /* Wkn = Wkn - B11 */
+    _mzd_mul_even(C21, A21, Wkn, cutoff); /* C21 = A21 * Wkn */
+    mzd_free(Wkn);
+
+    _mzd_add(C21, C11, C21);		  /* C21 = C11 - C21 */
+    _mzd_add(C22, C22, C11);		  /* C22 = C22 + C11 */
+    _mzd_mul_even(C11, A11, B11, cutoff); /* C11 = A11 * B11 */
+
+    _mzd_add(C11, C11, Wmk);		  /* C11 = C11 + Wmk */
+
+    /* clean up */
+    mzd_free_window((mzd_t*)A11); mzd_free_window((mzd_t*)A12);
+    mzd_free_window((mzd_t*)A21); mzd_free_window((mzd_t*)A22);
+
+    mzd_free_window((mzd_t*)B11); mzd_free_window((mzd_t*)B12);
+    mzd_free_window((mzd_t*)B21); mzd_free_window((mzd_t*)B22);
+
+    mzd_free_window(C11); mzd_free_window(C12);
+    mzd_free_window(C21); mzd_free_window(C22);
+
+    mzd_free(Wmk);
+  }
+  /* deal with rest */
+  nnn *= 2;
+  if (n > nnn) {
+    /*         |AA|   | B|   | C|
+     * Compute |AA| x | B| = | C| */
+    mzd_t const *B_last_col = mzd_init_window_const(B, 0, nnn, k, n);
+    mzd_t *C_last_col = mzd_init_window(C, 0, nnn, m, n);
+    _mzd_mul_m4rm(C_last_col, A, B_last_col, 0, TRUE);
+    mzd_free_window((mzd_t*)B_last_col);
+    mzd_free_window(C_last_col);
+  }
+  mmm *= 2;
+  if (m > mmm) {
+    /*         |  |   |B |   |  |
+     * Compute |AA| x |B | = |C | */
+    mzd_t const *A_last_row = mzd_init_window_const(A, mmm, 0, m, k);
+    mzd_t const *B_first_col= mzd_init_window_const(B,   0, 0, k, nnn);
+    mzd_t *C_last_row = mzd_init_window(C, mmm, 0, m, nnn);
+    _mzd_mul_m4rm(C_last_row, A_last_row, B_first_col, 0, TRUE);
+    mzd_free_window((mzd_t*)A_last_row);
+    mzd_free_window((mzd_t*)B_first_col);
+    mzd_free_window(C_last_row);
+  }
+  kkk *= 2;
+  if (k > kkk) {
+    /* Add to  |  |   | B|   |C |
+     * result  |A | x |  | = |  | */
+    mzd_t const *A_last_col = mzd_init_window_const(A,   0, kkk, mmm, k);
+    mzd_t const *B_last_row = mzd_init_window_const(B, kkk,   0,   k, nnn);
+    mzd_t *C_bulk = mzd_init_window(C, 0, 0, mmm, nnn);
+    mzd_addmul_m4rm(C_bulk, A_last_col, B_last_row, 0);
+    mzd_free_window((mzd_t*)A_last_col);
+    mzd_free_window((mzd_t*)B_last_row);
+    mzd_free_window(C_bulk);
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *_mzd_sqr_even(mzd_t *C, mzd_t const *A, int cutoff) {
+  rci_t m;
+
+  m = A->nrows;
+  /* handle case first, where the input matrices are too small already */
+  if (closer(m, cutoff)) {
+    /* we copy the matrices first since it is only constant memory overhead and improves data
+       locality */
+    if(mzd_is_windowed(A)|mzd_is_windowed(C)) {
+      mzd_t *Abar = mzd_copy(NULL, A);
+      mzd_t *Cbar = mzd_init(m, m);
+      _mzd_mul_m4rm(Cbar, Abar, Abar, 0, FALSE);
+      mzd_copy(C, Cbar);
+      mzd_free(Cbar);
+      mzd_free(Abar);
+    } else {
+      _mzd_mul_m4rm(C, A, A, 0, TRUE);
+    }
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+  rci_t mmm;
+  {
+    rci_t mult = m4ri_radix;
+    rci_t width = m / 2;
+    while (width > cutoff) {
+      width /= 2;
+      mult *= 2;
+    }
+    mmm = (((m - m % mult) / m4ri_radix) >> 1) * m4ri_radix;
+  }
+  /*         |A |   |A |   |C |
+   * Compute |  | x |  | = |  | */
+  {
+    mzd_t const *A11 = mzd_init_window_const(A,   0,   0,   mmm,   mmm);
+    mzd_t const *A12 = mzd_init_window_const(A,   0, mmm,   mmm, 2*mmm);
+    mzd_t const *A21 = mzd_init_window_const(A, mmm,   0, 2*mmm,   mmm);
+    mzd_t const *A22 = mzd_init_window_const(A, mmm, mmm, 2*mmm, 2*mmm);
+
+    mzd_t *C11 = mzd_init_window(C,   0,   0,   mmm,   mmm);
+    mzd_t *C12 = mzd_init_window(C,   0, mmm,   mmm, 2*mmm);
+    mzd_t *C21 = mzd_init_window(C, mmm,   0, 2*mmm,   mmm);
+    mzd_t *C22 = mzd_init_window(C, mmm, mmm, 2*mmm, 2*mmm);
+
+    /**
+     * \note See Marco Bodrato; "A Strassen-like Matrix Multiplication
+     * Suited for Squaring and Highest Power Computation";
+     * http://bodrato.it/papres/#CIVV2008 for reference on the used
+     * sequence of operations.
+     */
+
+    mzd_t *Wmk;
+    mzd_t *Wkn = mzd_init(mmm, mmm);
+
+    _mzd_add(Wkn, A22, A12);                 /* Wkn = A22 + A12 */
+    _mzd_sqr_even(C21, Wkn, cutoff);     /* C21 = Wkn^2 */
+
+    _mzd_add(Wkn, A22, A21);                 /* Wkn = A22 - A21 */
+    _mzd_sqr_even(C22, Wkn, cutoff);     /* C22 = Wkn^2 */
+
+    _mzd_add(Wkn, Wkn, A12);                 /* Wkn = Wkn + A12 */
+    _mzd_sqr_even(C11, Wkn, cutoff);     /* C11 = Wkn^2 */
+
+    _mzd_add(Wkn, Wkn, A11);                 /* Wkn = Wkn - A11 */
+    _mzd_mul_even(C12, Wkn, A12, cutoff);/* C12 = Wkn * A12 */
+    _mzd_add(C12, C12, C22);		  /* C12 = C12 + C22 */
+
+    Wmk = mzd_mul(NULL, A12, A21, cutoff);/*Wmk = A12 * A21 */
+
+    _mzd_add(C11, C11, Wmk);		  /* C11 = C11 + Wmk */
+    _mzd_add(C12, C11, C12);		  /* C12 = C11 - C12 */
+    _mzd_add(C11, C21, C11);		  /* C11 = C21 - C11 */
+    _mzd_mul_even(C21, A21, Wkn, cutoff);/* C21 = A21 * Wkn */
+    mzd_free(Wkn);
+
+    _mzd_add(C21, C11, C21);		  /* C21 = C11 - C21 */
+    _mzd_add(C22, C22, C11);		  /* C22 = C22 + C11 */
+    _mzd_sqr_even(C11, A11, cutoff);     /* C11 = A11^2 */
+
+    _mzd_add(C11, C11, Wmk);		  /* C11 = C11 + Wmk */
+
+    /* clean up */
+    mzd_free_window((mzd_t*)A11); mzd_free_window((mzd_t*)A12);
+    mzd_free_window((mzd_t*)A21); mzd_free_window((mzd_t*)A22);
+
+    mzd_free_window(C11); mzd_free_window(C12);
+    mzd_free_window(C21); mzd_free_window(C22);
+
+    mzd_free(Wmk);
+  }
+  /* deal with rest */
+  mmm *= 2;
+  if (m > mmm) {
+    /*         |AA|   | A|   | C|
+     * Compute |AA| x | A| = | C| */
+    {
+      mzd_t const *A_last_col = mzd_init_window_const(A, 0, mmm, m, m);
+      mzd_t *C_last_col = mzd_init_window(C, 0, mmm, m, m);
+      _mzd_mul_m4rm(C_last_col, A, A_last_col, 0, TRUE);
+      mzd_free_window((mzd_t*)A_last_col);
+      mzd_free_window(C_last_col);
+    }
+    /*         |  |   |A |   |  |
+     * Compute |AA| x |A | = |C | */
+    {
+      mzd_t const *A_last_row = mzd_init_window_const(A, mmm, 0, m, m);
+      mzd_t const *A_first_col= mzd_init_window_const(A,   0, 0, m, mmm);
+      mzd_t *C_last_row = mzd_init_window(C, mmm, 0, m, mmm);
+      _mzd_mul_m4rm(C_last_row, A_last_row, A_first_col, 0, TRUE);
+      mzd_free_window((mzd_t*)A_last_row);
+      mzd_free_window((mzd_t*)A_first_col);
+      mzd_free_window(C_last_row);
+    }
+    /* Add to  |  |   | A|   |C |
+     * result  |A | x |  | = |  | */
+    {
+      mzd_t const *A_last_col = mzd_init_window_const(A,   0, mmm, mmm, m);
+      mzd_t const *A_last_row = mzd_init_window_const(A, mmm,   0,   m, mmm);
+      mzd_t *C_bulk = mzd_init_window(C, 0, 0, mmm, mmm);
+      mzd_addmul_m4rm(C_bulk, A_last_col, A_last_row, 0);
+      mzd_free_window((mzd_t*)A_last_col);
+      mzd_free_window((mzd_t*)A_last_row);
+      mzd_free_window(C_bulk);
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+
+
+mzd_t *mzd_mul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_mul: A ncols (%d) need to match B nrows (%d).\n", A->ncols, B->nrows);
+
+  if (cutoff < 0)
+    m4ri_die("mzd_mul: cutoff must be >= 0.\n");
+
+  if(cutoff == 0) {
+    cutoff = __M4RI_STRASSEN_MUL_CUTOFF;
+  }
+
+  cutoff = cutoff / m4ri_radix * m4ri_radix;
+  if (cutoff < m4ri_radix) {
+    cutoff = m4ri_radix;
+  };
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows, B->ncols);
+  } else if (C->nrows != A->nrows || C->ncols != B->ncols){
+    m4ri_die("mzd_mul: C (%d x %d) has wrong dimensions, expected (%d x %d)\n",
+	     C->nrows, C->ncols, A->nrows, B->ncols);
+  }
+
+  C = (A == B) ? _mzd_sqr_even(C, A, cutoff) : _mzd_mul_even(C, A, B, cutoff);
+  return C;
+}
+
+mzd_t *_mzd_addmul_even(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  /**
+   * \todo make sure not to overwrite crap after ncols and before width * m4ri_radix
+   */
+  if(C->nrows == 0 || C->ncols == 0)
+    return C;
+
+  rci_t m = A->nrows;
+  rci_t k = A->ncols;
+  rci_t n = B->ncols;
+
+  /* handle case first, where the input matrices are too small already */
+  if (closer(m, cutoff) || closer(k, cutoff) || closer(n, cutoff)) {
+    /* we copy the matrices first since it is only constant memory overhead and improves data
+       locality */
+    if(mzd_is_windowed(A)|mzd_is_windowed(B)|mzd_is_windowed(C)) {
+      mzd_t *Abar = mzd_copy(NULL, A);
+      mzd_t *Bbar = mzd_copy(NULL, B);
+      mzd_t *Cbar = mzd_copy(NULL, C);
+      mzd_addmul_m4rm(Cbar, Abar, Bbar, 0);
+      mzd_copy(C, Cbar);
+      mzd_free(Cbar);
+      mzd_free(Bbar);
+      mzd_free(Abar);
+    } else {
+      mzd_addmul_m4rm(C, A, B, 0);
+    }
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+  rci_t mmm, kkk, nnn;
+  {
+    rci_t mult = m4ri_radix;
+    rci_t width = MIN(MIN(m, n), k) / 2;
+    while (width > cutoff) {
+      width /= 2;
+      mult *= 2;
+    }
+
+    mmm = (((m - m % mult) / m4ri_radix) >> 1) * m4ri_radix;
+    kkk = (((k - k % mult) / m4ri_radix) >> 1) * m4ri_radix;
+    nnn = (((n - n % mult) / m4ri_radix) >> 1) * m4ri_radix;
+  }
+
+  /*         |C |    |A |   |B |
+   * Compute |  | += |  | x |  |  */
+  {
+    mzd_t const *A11 = mzd_init_window_const(A,   0,   0,   mmm,   kkk);
+    mzd_t const *A12 = mzd_init_window_const(A,   0, kkk,   mmm, 2*kkk);
+    mzd_t const *A21 = mzd_init_window_const(A, mmm,   0, 2*mmm,   kkk);
+    mzd_t const *A22 = mzd_init_window_const(A, mmm, kkk, 2*mmm, 2*kkk);
+
+    mzd_t const *B11 = mzd_init_window_const(B,   0,   0,   kkk,   nnn);
+    mzd_t const *B12 = mzd_init_window_const(B,   0, nnn,   kkk, 2*nnn);
+    mzd_t const *B21 = mzd_init_window_const(B, kkk,   0, 2*kkk,   nnn);
+    mzd_t const *B22 = mzd_init_window_const(B, kkk, nnn, 2*kkk, 2*nnn);
+
+    mzd_t *C11 = mzd_init_window(C,   0,   0,   mmm,   nnn);
+    mzd_t *C12 = mzd_init_window(C,   0, nnn,   mmm, 2*nnn);
+    mzd_t *C21 = mzd_init_window(C, mmm,   0, 2*mmm,   nnn);
+    mzd_t *C22 = mzd_init_window(C, mmm, nnn, 2*mmm, 2*nnn);
+
+    /**
+     * \note See Marco Bodrato; "A Strassen-like Matrix Multiplication
+     * Suited for Squaring and Highest Power Computation";
+     * http://bodrato.it/papres/#CIVV2008 for reference on the used
+     * sequence of operations.
+     */
+
+    mzd_t *S = mzd_init(mmm, kkk);
+    mzd_t *T = mzd_init(kkk, nnn);
+    mzd_t *U = mzd_init(mmm, nnn);
+
+    _mzd_add(S, A22, A21);                   /* 1  S = A22 - A21       */
+    _mzd_add(T, B22, B21);                   /* 2  T = B22 - B21       */
+    _mzd_mul_even(U, S, T, cutoff);          /* 3  U = S*T             */
+    _mzd_add(C22, U, C22);                   /* 4  C22 = U + C22       */
+    _mzd_add(C12, U, C12);                   /* 5  C12 = U + C12       */
+
+    _mzd_mul_even(U, A12, B21, cutoff);      /* 8  U = A12*B21         */
+    _mzd_add(C11, U, C11);                   /* 9  C11 = U + C11       */
+
+    _mzd_addmul_even(C11, A11, B11, cutoff); /* 11 C11 = A11*B11 + C11 */
+
+    _mzd_add(S, S, A12);                     /* 6  S = S - A12         */
+    _mzd_add(T, T, B12);                     /* 7  T = T - B12         */
+    _mzd_addmul_even(U, S, T, cutoff);       /* 10 U = S*T + U         */
+    _mzd_add(C12, C12, U);                   /* 15 C12 = U + C12       */
+
+    _mzd_add(S, A11, S);                     /* 12 S = A11 - S         */
+    _mzd_addmul_even(C12, S, B12, cutoff);   /* 14 C12 = S*B12 + C12   */
+
+    _mzd_add(T, B11, T);                     /* 13 T = B11 - T         */
+    _mzd_addmul_even(C21, A21, T, cutoff);   /* 16 C21 = A21*T + C21   */
+
+    _mzd_add(S, A22, A12);                   /* 17 S = A22 + A21       */
+    _mzd_add(T, B22, B12);                   /* 18 T = B22 + B21       */
+    _mzd_addmul_even(U, S, T, cutoff);       /* 19 U = U - S*T         */
+    _mzd_add(C21, C21, U);                   /* 20 C21 = C21 - U       */
+    _mzd_add(C22, C22, U);                   /* 21 C22 = C22 - U       */
+
+    /* clean up */
+    mzd_free_window((mzd_t*)A11); mzd_free_window((mzd_t*)A12);
+    mzd_free_window((mzd_t*)A21); mzd_free_window((mzd_t*)A22);
+
+    mzd_free_window((mzd_t*)B11); mzd_free_window((mzd_t*)B12);
+    mzd_free_window((mzd_t*)B21); mzd_free_window((mzd_t*)B22);
+
+    mzd_free_window(C11); mzd_free_window(C12);
+    mzd_free_window(C21); mzd_free_window(C22);
+
+    mzd_free(S);
+    mzd_free(T);
+    mzd_free(U);
+  }
+  /* deal with rest */
+  nnn *= 2;
+  if (n > nnn) {
+    /*         | C|    |AA|   | B|
+     * Compute | C| += |AA| x | B| */
+    mzd_t const *B_last_col = mzd_init_window_const(B, 0, nnn, k, n);
+    mzd_t *C_last_col = mzd_init_window(C, 0, nnn, m, n);
+    mzd_addmul_m4rm(C_last_col, A, B_last_col, 0);
+    mzd_free_window((mzd_t*)B_last_col);
+    mzd_free_window(C_last_col);
+  }
+  mmm *= 2;
+  if (m > mmm) {
+    /*         |  |    |  |   |B |
+     * Compute |C | += |AA| x |B | */
+    mzd_t const *A_last_row = mzd_init_window_const(A, mmm, 0, m, k);
+    mzd_t const *B_first_col= mzd_init_window_const(B,   0, 0, k, nnn);
+    mzd_t *C_last_row = mzd_init_window(C, mmm, 0, m, nnn);
+    mzd_addmul_m4rm(C_last_row, A_last_row, B_first_col, 0);
+    mzd_free_window((mzd_t*)A_last_row);
+    mzd_free_window((mzd_t*)B_first_col);
+    mzd_free_window(C_last_row);
+  }
+  kkk *= 2;
+  if (k > kkk) {
+    /* Add to  |  |   | B|   |C |
+     * result  |A | x |  | = |  | */
+    mzd_t const *A_last_col = mzd_init_window_const(A,   0, kkk, mmm, k);
+    mzd_t const *B_last_row = mzd_init_window_const(B, kkk,   0,   k, nnn);
+    mzd_t *C_bulk = mzd_init_window(C, 0, 0, mmm, nnn);
+    mzd_addmul_m4rm(C_bulk, A_last_col, B_last_row, 0);
+    mzd_free_window((mzd_t*)A_last_col);
+    mzd_free_window((mzd_t*)B_last_row);
+    mzd_free_window(C_bulk);
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *_mzd_addsqr_even(mzd_t *C, mzd_t const *A, int cutoff) {
+  /**
+   * \todo make sure not to overwrite crap after ncols and before width * m4ri_radix
+   */
+  if(C->nrows == 0)
+    return C;
+
+  rci_t m = A->nrows;
+
+  /* handle case first, where the input matrices are too small already */
+  if (closer(m, cutoff)) {
+    /* we copy the matrices first since it is only constant memory overhead and improves data
+       locality */
+    if(mzd_is_windowed(A)|mzd_is_windowed(C)) {
+      mzd_t *Cbar = mzd_copy(NULL, C);
+      mzd_t *Abar = mzd_copy(NULL, A);
+      mzd_addmul_m4rm(Cbar, Abar, Abar, 0);
+      mzd_copy(C, Cbar);
+      mzd_free(Cbar);
+      mzd_free(Abar);
+    } else {
+      mzd_addmul_m4rm(C, A, A, 0);
+    }
+    return C;
+  }
+
+  /* adjust cutting numbers to work on words */
+  rci_t mmm;
+  {
+    rci_t mult = m4ri_radix;
+    rci_t width = m / 2;
+    while (width > cutoff) {
+      width /= 2;
+      mult *= 2;
+    }
+
+    mmm = (((m - m % mult) / m4ri_radix) >> 1) * m4ri_radix;
+  }
+
+  /*         |C |    |A |   |B |
+   * Compute |  | += |  | x |  |  */
+  {
+    mzd_t const *A11 = mzd_init_window_const(A,   0,   0,   mmm,   mmm);
+    mzd_t const *A12 = mzd_init_window_const(A,   0, mmm,   mmm, 2*mmm);
+    mzd_t const *A21 = mzd_init_window_const(A, mmm,   0, 2*mmm,   mmm);
+    mzd_t const *A22 = mzd_init_window_const(A, mmm, mmm, 2*mmm, 2*mmm);
+
+    mzd_t *C11 = mzd_init_window(C,   0,   0,   mmm,   mmm);
+    mzd_t *C12 = mzd_init_window(C,   0, mmm,   mmm, 2*mmm);
+    mzd_t *C21 = mzd_init_window(C, mmm,   0, 2*mmm,   mmm);
+    mzd_t *C22 = mzd_init_window(C, mmm, mmm, 2*mmm, 2*mmm);
+
+    /**
+     * \note See Marco Bodrato; "A Strassen-like Matrix Multiplication
+     * Suited for Squaring and Highest Power Computation"; on-line v.
+     * http://bodrato.it/papres/#CIVV2008 for reference on the used
+     * sequence of operations.
+     */
+
+    mzd_t *S = mzd_init(mmm, mmm);
+    mzd_t *U = mzd_init(mmm, mmm);
+
+    _mzd_add(S, A22, A21);                   /* 1  S = A22 - A21       */
+    _mzd_sqr_even(U, S, cutoff);             /* 3  U = S^2             */
+    _mzd_add(C22, U, C22);                   /* 4  C22 = U + C22       */
+    _mzd_add(C12, U, C12);                   /* 5  C12 = U + C12       */
+
+    _mzd_mul_even(U, A12, A21, cutoff);      /* 8  U = A12*A21         */
+    _mzd_add(C11, U, C11);                   /* 9  C11 = U + C11       */
+
+    _mzd_addsqr_even(C11, A11, cutoff);      /* 11 C11 = A11^2 + C11   */
+
+    _mzd_add(S, S, A12);                     /* 6  S = S + A12         */
+    _mzd_addsqr_even(U, S, cutoff);          /* 10 U = S^2 + U         */
+    _mzd_add(C12, C12, U);                   /* 15 C12 = U + C12       */
+
+    _mzd_add(S, A11, S);                     /* 12 S = A11 - S         */
+    _mzd_addmul_even(C12, S, A12, cutoff);   /* 14 C12 = S*B12 + C12   */
+
+    _mzd_addmul_even(C21, A21, S, cutoff);   /* 16 C21 = A21*T + C21   */
+
+    _mzd_add(S, A22, A12);                   /* 17 S = A22 + A21       */
+    _mzd_addsqr_even(U, S, cutoff);          /* 19 U = U - S^2         */
+    _mzd_add(C21, C21, U);                   /* 20 C21 = C21 - U3      */
+    _mzd_add(C22, C22, U);                   /* 21 C22 = C22 - U3      */
+
+    /* clean up */
+    mzd_free_window((mzd_t*)A11); mzd_free_window((mzd_t*)A12);
+    mzd_free_window((mzd_t*)A21); mzd_free_window((mzd_t*)A22);
+
+    mzd_free_window(C11); mzd_free_window(C12);
+    mzd_free_window(C21); mzd_free_window(C22);
+
+    mzd_free(S);
+    mzd_free(U);
+  }
+  /* deal with rest */
+  mmm *= 2;
+  if (m > mmm) {
+    /*         | C|    |AA|   | B|
+     * Compute | C| += |AA| x | B| */
+    {
+      mzd_t const *A_last_col = mzd_init_window_const(A, 0, mmm, m, m);
+      mzd_t *C_last_col = mzd_init_window(C, 0, mmm, m, m);
+      mzd_addmul_m4rm(C_last_col, A, A_last_col, 0);
+      mzd_free_window((mzd_t*)A_last_col);
+      mzd_free_window(C_last_col);
+    }
+    /*         |  |    |  |   |B |
+     * Compute |C | += |AA| x |B | */
+    {
+      mzd_t const *A_last_row = mzd_init_window_const(A, mmm, 0, m, m);
+      mzd_t const *A_first_col= mzd_init_window_const(A,   0, 0, m, mmm);
+      mzd_t *C_last_row = mzd_init_window(C, mmm, 0, m, mmm);
+      mzd_addmul_m4rm(C_last_row, A_last_row, A_first_col, 0);
+      mzd_free_window((mzd_t*)A_last_row);
+      mzd_free_window((mzd_t*)A_first_col);
+      mzd_free_window(C_last_row);
+    }
+    /* Add to  |  |   | B|   |C |
+     * result  |A | x |  | = |  | */
+    {
+      mzd_t const *A_last_col = mzd_init_window_const(A,   0, mmm, mmm, m);
+      mzd_t const *A_last_row = mzd_init_window_const(A, mmm,   0,   m, mmm);
+      mzd_t *C_bulk = mzd_init_window(C, 0, 0, mmm, mmm);
+      mzd_addmul_m4rm(C_bulk, A_last_col, A_last_row, 0);
+      mzd_free_window((mzd_t*)A_last_col);
+      mzd_free_window((mzd_t*)A_last_row);
+      mzd_free_window(C_bulk);
+    }
+  }
+
+  __M4RI_DD_MZD(C);
+  return C;
+}
+
+mzd_t *_mzd_addmul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  /**
+   * Assumes that B and C are aligned in the same manner (as in a Schur complement)
+   */
+
+  return (A == B) ? _mzd_addsqr_even(C, A, cutoff) : _mzd_addmul_even(C, A, B, cutoff);
+}
+
+mzd_t *mzd_addmul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff) {
+  if(A->ncols != B->nrows)
+    m4ri_die("mzd_addmul: A ncols (%d) need to match B nrows (%d).\n", A->ncols, B->nrows);
+
+  if (cutoff < 0)
+    m4ri_die("mzd_addmul: cutoff must be >= 0.\n");
+
+  if(cutoff == 0) {
+    cutoff = __M4RI_STRASSEN_MUL_CUTOFF;
+  }
+
+  cutoff = cutoff / m4ri_radix * m4ri_radix;
+  if (cutoff < m4ri_radix) {
+    cutoff = m4ri_radix;
+  };
+
+  if (C == NULL) {
+    C = mzd_init(A->nrows, B->ncols);
+  } else if (C->nrows != A->nrows || C->ncols != B->ncols){
+    m4ri_die("mzd_addmul: C (%d x %d) has wrong dimensions, expected (%d x %d)\n",
+	     C->nrows, C->ncols, A->nrows, B->ncols);
+  }
+  if(A->nrows == 0 || A->ncols == 0 || B->ncols == 0) {
+    __M4RI_DD_MZD(C);
+    return C;
+  }
+
+  C = _mzd_addmul(C, A, B, cutoff);
+  __M4RI_DD_MZD(C);
+  return C;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.h
new file mode 100644
index 0000000..ec08d36
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.h
@@ -0,0 +1,137 @@
+/**
+ * \file strassen.h
+ *
+ * \brief Matrix operations using Strassen's formulas including
+ * Winograd's improvements.
+ *
+ * \author Gregory Bard <bard@fordham.edu>
+ * \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+ */
+
+#ifndef M4RI_STRASSEN_H
+#define M4RI_STRASSEN_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*    Copyright (C) 2008 Clement Pernet <pernet@math.washington.edu>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <math.h>
+#include <m4ri/mzd.h>
+#include <m4ri/brilliantrussian.h>
+
+/**
+ * \brief Matrix multiplication via the Strassen-Winograd matrix
+ * multiplication algorithm, i.e. compute C = AB.
+ * 
+ * This is the wrapper function including bounds checks. See
+ * _mzd_mul_even for implementation details.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+mzd_t *mzd_mul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication and in-place addition via the
+ * Strassen-Winograd matrix multiplication algorithm, i.e. compute 
+ * C = C+ AB.
+ * 
+ * This is the wrapper function including bounds checks. See
+ * _mzd_addmul_even for implementation details.
+ *
+ * \param C product matrix
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+mzd_t *mzd_addmul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication via the Strassen-Winograd matrix
+ * multiplication algorithm, i.e. compute C = AB.
+ * 
+ * This is the actual implementation. Any matrix where either the
+ * number of rows or the number of columns is smaller than cutoff is
+ * processed using the M4RM algorithm.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \note This implementation is heavily inspired by the function
+ * strassen_window_multiply_c in Sage 3.0; For reference see
+ * http://www.sagemath.org
+ */
+
+mzd_t *_mzd_mul_even(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication and in-place addition via the
+ * Strassen-Winograd matrix multiplication algorithm, i.e. compute 
+ * C = C+ AB.
+ * 
+ * This is the actual implementation. Any matrix where either the
+ * number of rows or the number of columns is smaller than cutoff is
+ * processed using the M4RM algorithm.
+ *
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ * \note This implementation is heavily inspired by the function
+ * strassen_window_multiply_c in Sage 3.0; For reference see
+ * http://www.sagemath.org
+ */
+
+mzd_t *_mzd_addmul_even(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * \brief Matrix multiplication and in-place addition via the
+ * Strassen-Winograd matrix multiplication algorithm, i.e. compute 
+ * C = C + AB.
+ * 
+ * The matrices A and B are respectively m x k and k x n, and can be not
+ * aligned on the m4ri_radix grid.
+ * 
+ * \param C Preallocated product matrix, may be NULL for automatic creation.
+ * \param A Input matrix A
+ * \param B Input matrix B
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ */
+
+mzd_t *_mzd_addmul(mzd_t *C, mzd_t const *A, mzd_t const *B, int cutoff);
+
+/**
+ * The default cutoff for Strassen-Winograd multiplication. It should
+ * hold hold that 2 * (n^2)/8 fits into the L2 cache.
+ */
+
+#ifndef __M4RI_STRASSEN_MUL_CUTOFF
+#define __M4RI_STRASSEN_MUL_CUTOFF MIN(((int)sqrt((double)(4 * __M4RI_CPU_L3_CACHE))), 4096)
+#endif
+
+#endif // M4RI_STRASSEN_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.lo
new file mode 100644
index 0000000..550ec23
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.lo
@@ -0,0 +1,12 @@
+# m4ri/strassen.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/strassen.o'
+
+# Name of the non-PIC object
+non_pic_object='strassen.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.o
new file mode 100644
index 0000000..6f39c78
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/strassen.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.c
new file mode 100644
index 0000000..5690bc7
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.c
@@ -0,0 +1,489 @@
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Clement Pernet <clement.pernet@gmail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+
+#include "triangular.h"
+#include "triangular_russian.h"
+#include "strassen.h"
+#include "mzd.h"
+#include "parity.h"
+
+
+/*****************
+ * UPPER RIGHT
+ ****************/
+
+/*
+ * Assumes that U->ncols < 64
+ */
+void _mzd_trsm_upper_right_base(mzd_t const *U, mzd_t *B);
+
+void mzd_trsm_upper_right(mzd_t const *U, mzd_t *B, const int cutoff) {
+  if(U->nrows != B->ncols)
+    m4ri_die("mzd_trsm_upper_right: U nrows (%d) need to match B ncols (%d).\n", U->nrows, B->ncols);
+  if(U->nrows != U->ncols)
+    m4ri_die("mzd_trsm_upper_right: U must be square and is found to be (%d) x (%d).\n", U->nrows, U->ncols);
+
+  _mzd_trsm_upper_right(U, B, cutoff);
+}
+
+void _mzd_trsm_upper_right_trtri(mzd_t const *U, mzd_t *B) {
+  mzd_t *u = mzd_extract_u(NULL, U);
+  mzd_trtri_upper(u);
+  mzd_t *C = mzd_mul(NULL, B, u, 0);
+  mzd_copy(B, C);
+  mzd_free(C);
+  mzd_free(u);
+}
+
+void _mzd_trsm_upper_right(mzd_t const *U, mzd_t *B, const int cutoff) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+
+  if(nb <= m4ri_radix) {
+    /* base case */
+    _mzd_trsm_upper_right_base(U, B);
+    return;
+  } else if(nb <= __M4RI_MUL_BLOCKSIZE) {
+    _mzd_trsm_upper_right_trtri(U, B);
+    return;
+  }
+
+  rci_t const nb1 = (((nb - 1) / m4ri_radix + 1) >> 1) * m4ri_radix;
+
+  /**
+   \verbatim
+     _________
+     \U00|   |
+      \  |U01|
+       \ |   |
+        \|___|
+         \U11|
+          \  |
+           \ |
+            \|
+      _______
+     |B0 |B1 |
+     |___|___|
+   \endverbatim
+   */
+
+  mzd_t *B0 = mzd_init_window(B,  0,     0,   mb, nb1);
+  mzd_t *B1 = mzd_init_window(B,  0,   nb1,   mb, nb);
+  mzd_t const *U00 = mzd_init_window_const(U, 0,     0, nb1, nb1);
+  mzd_t const *U01 = mzd_init_window_const(U, 0,   nb1, nb1, nb);
+  mzd_t const *U11 = mzd_init_window_const(U, nb1, nb1,  nb, nb);
+
+  _mzd_trsm_upper_right(U00, B0, cutoff);
+  mzd_addmul (B1, B0, U01, cutoff);
+  _mzd_trsm_upper_right(U11, B1, cutoff);
+
+  mzd_free_window(B0);
+  mzd_free_window(B1);
+
+  mzd_free_window((mzd_t*)U00);
+  mzd_free_window((mzd_t*)U01);
+  mzd_free_window((mzd_t*)U11);
+
+  __M4RI_DD_MZD(B);
+}
+
+void _mzd_trsm_upper_right_base(mzd_t const *U, mzd_t *B) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+
+  for(rci_t i = 1; i < nb; ++i) {
+    /* Computes X_i = B_i + X_{0..i-1} U_{0..i-1,i} */
+    register word ucol = 0;
+    for(rci_t k = 0; k < i; ++k) {
+      if(__M4RI_GET_BIT(U->rows[k][0], i))
+	__M4RI_SET_BIT(ucol, k);
+    }
+
+    /* doing 64 dotproducts at a time, to use the m4ri_parity64 parallelism */
+    rci_t giantstep;
+    word tmp[64];
+
+    for(giantstep = 0; giantstep + m4ri_radix < mb; giantstep += m4ri_radix) {
+#if 0
+      for(int babystep = 0; babystep < m4ri_radix; ++babystep) 
+           tmp[babystep] = B->rows[giantstep + babystep][0] & ucol;
+#else
+      word **src = B->rows + giantstep;
+      tmp[ 0] = src[ 0][0] & ucol, tmp[ 1] = src[ 1][0] & ucol, tmp[ 2] = src[ 2][0] & ucol, tmp[ 3] = src[ 3][0] & ucol;
+      tmp[ 4] = src[ 4][0] & ucol, tmp[ 5] = src[ 5][0] & ucol, tmp[ 6] = src[ 6][0] & ucol, tmp[ 7] = src[ 7][0] & ucol;
+      tmp[ 8] = src[ 8][0] & ucol, tmp[ 9] = src[ 9][0] & ucol, tmp[10] = src[10][0] & ucol, tmp[11] = src[11][0] & ucol;
+      tmp[12] = src[12][0] & ucol, tmp[13] = src[13][0] & ucol, tmp[14] = src[14][0] & ucol, tmp[15] = src[15][0] & ucol;
+      tmp[16] = src[16][0] & ucol, tmp[17] = src[17][0] & ucol, tmp[18] = src[18][0] & ucol, tmp[19] = src[19][0] & ucol;
+      tmp[20] = src[20][0] & ucol, tmp[21] = src[21][0] & ucol, tmp[22] = src[22][0] & ucol, tmp[23] = src[23][0] & ucol;
+      tmp[24] = src[24][0] & ucol, tmp[25] = src[25][0] & ucol, tmp[26] = src[26][0] & ucol, tmp[27] = src[27][0] & ucol;
+      tmp[28] = src[28][0] & ucol, tmp[29] = src[29][0] & ucol, tmp[30] = src[30][0] & ucol, tmp[31] = src[31][0] & ucol;
+      tmp[32] = src[32][0] & ucol, tmp[33] = src[33][0] & ucol, tmp[34] = src[34][0] & ucol, tmp[35] = src[35][0] & ucol;
+      tmp[36] = src[36][0] & ucol, tmp[37] = src[37][0] & ucol, tmp[38] = src[38][0] & ucol, tmp[39] = src[39][0] & ucol;
+      tmp[40] = src[40][0] & ucol, tmp[41] = src[41][0] & ucol, tmp[42] = src[42][0] & ucol, tmp[43] = src[43][0] & ucol;
+      tmp[44] = src[44][0] & ucol, tmp[45] = src[45][0] & ucol, tmp[46] = src[46][0] & ucol, tmp[47] = src[47][0] & ucol;
+      tmp[48] = src[48][0] & ucol, tmp[49] = src[49][0] & ucol, tmp[50] = src[50][0] & ucol, tmp[51] = src[51][0] & ucol;
+      tmp[52] = src[52][0] & ucol, tmp[53] = src[53][0] & ucol, tmp[54] = src[54][0] & ucol, tmp[55] = src[55][0] & ucol;
+      tmp[56] = src[56][0] & ucol, tmp[57] = src[57][0] & ucol, tmp[58] = src[58][0] & ucol, tmp[59] = src[59][0] & ucol;
+      tmp[60] = src[60][0] & ucol, tmp[61] = src[61][0] & ucol, tmp[62] = src[62][0] & ucol, tmp[63] = src[63][0] & ucol;
+#endif
+      word const dotprod = m4ri_parity64(tmp);
+#if 0
+      for(int babystep = 0; babystep < m4ri_radix; ++babystep)
+         if(__M4RI_GET_BIT(dotprod, babystep)) 
+           __M4RI_FLIP_BIT(B->rows[giantstep + babystep][0], i);
+#else
+      src[ 0][0] ^= ((dotprod>> 0)&m4ri_one)<<i, src[ 1][0] ^= ((dotprod>> 1)&m4ri_one)<<i, src[ 2][0] ^= ((dotprod>> 2)&m4ri_one)<<i, src[ 3][0] ^= ((dotprod>> 3)&m4ri_one)<<i;
+      src[ 4][0] ^= ((dotprod>> 4)&m4ri_one)<<i, src[ 5][0] ^= ((dotprod>> 5)&m4ri_one)<<i, src[ 6][0] ^= ((dotprod>> 6)&m4ri_one)<<i, src[ 7][0] ^= ((dotprod>> 7)&m4ri_one)<<i;
+      src[ 8][0] ^= ((dotprod>> 8)&m4ri_one)<<i, src[ 9][0] ^= ((dotprod>> 9)&m4ri_one)<<i, src[10][0] ^= ((dotprod>>10)&m4ri_one)<<i, src[11][0] ^= ((dotprod>>11)&m4ri_one)<<i;
+      src[12][0] ^= ((dotprod>>12)&m4ri_one)<<i, src[13][0] ^= ((dotprod>>13)&m4ri_one)<<i, src[14][0] ^= ((dotprod>>14)&m4ri_one)<<i, src[15][0] ^= ((dotprod>>15)&m4ri_one)<<i;
+      src[16][0] ^= ((dotprod>>16)&m4ri_one)<<i, src[17][0] ^= ((dotprod>>17)&m4ri_one)<<i, src[18][0] ^= ((dotprod>>18)&m4ri_one)<<i, src[19][0] ^= ((dotprod>>19)&m4ri_one)<<i;
+      src[20][0] ^= ((dotprod>>20)&m4ri_one)<<i, src[21][0] ^= ((dotprod>>21)&m4ri_one)<<i, src[22][0] ^= ((dotprod>>22)&m4ri_one)<<i, src[23][0] ^= ((dotprod>>23)&m4ri_one)<<i;
+      src[24][0] ^= ((dotprod>>24)&m4ri_one)<<i, src[25][0] ^= ((dotprod>>25)&m4ri_one)<<i, src[26][0] ^= ((dotprod>>26)&m4ri_one)<<i, src[27][0] ^= ((dotprod>>27)&m4ri_one)<<i;
+      src[28][0] ^= ((dotprod>>28)&m4ri_one)<<i, src[29][0] ^= ((dotprod>>29)&m4ri_one)<<i, src[30][0] ^= ((dotprod>>30)&m4ri_one)<<i, src[31][0] ^= ((dotprod>>31)&m4ri_one)<<i;
+      src[32][0] ^= ((dotprod>>32)&m4ri_one)<<i, src[33][0] ^= ((dotprod>>33)&m4ri_one)<<i, src[34][0] ^= ((dotprod>>34)&m4ri_one)<<i, src[35][0] ^= ((dotprod>>35)&m4ri_one)<<i;
+      src[36][0] ^= ((dotprod>>36)&m4ri_one)<<i, src[37][0] ^= ((dotprod>>37)&m4ri_one)<<i, src[38][0] ^= ((dotprod>>38)&m4ri_one)<<i, src[39][0] ^= ((dotprod>>39)&m4ri_one)<<i;
+      src[40][0] ^= ((dotprod>>40)&m4ri_one)<<i, src[41][0] ^= ((dotprod>>41)&m4ri_one)<<i, src[42][0] ^= ((dotprod>>42)&m4ri_one)<<i, src[43][0] ^= ((dotprod>>43)&m4ri_one)<<i;
+      src[44][0] ^= ((dotprod>>44)&m4ri_one)<<i, src[45][0] ^= ((dotprod>>45)&m4ri_one)<<i, src[46][0] ^= ((dotprod>>46)&m4ri_one)<<i, src[47][0] ^= ((dotprod>>47)&m4ri_one)<<i;
+      src[48][0] ^= ((dotprod>>48)&m4ri_one)<<i, src[49][0] ^= ((dotprod>>49)&m4ri_one)<<i, src[50][0] ^= ((dotprod>>50)&m4ri_one)<<i, src[51][0] ^= ((dotprod>>51)&m4ri_one)<<i;
+      src[52][0] ^= ((dotprod>>52)&m4ri_one)<<i, src[53][0] ^= ((dotprod>>53)&m4ri_one)<<i, src[54][0] ^= ((dotprod>>54)&m4ri_one)<<i, src[55][0] ^= ((dotprod>>55)&m4ri_one)<<i;
+      src[56][0] ^= ((dotprod>>56)&m4ri_one)<<i, src[57][0] ^= ((dotprod>>57)&m4ri_one)<<i, src[58][0] ^= ((dotprod>>58)&m4ri_one)<<i, src[59][0] ^= ((dotprod>>59)&m4ri_one)<<i;
+      src[60][0] ^= ((dotprod>>60)&m4ri_one)<<i, src[61][0] ^= ((dotprod>>61)&m4ri_one)<<i, src[62][0] ^= ((dotprod>>62)&m4ri_one)<<i, src[63][0] ^= ((dotprod>>63)&m4ri_one)<<i;
+#endif
+    }
+    
+    for(int babystep = 0; giantstep + babystep < mb; ++babystep)
+      tmp[babystep] = B->rows[giantstep + babystep][0] & ucol;
+    for(int babystep = mb - giantstep; babystep < 64; ++babystep)
+      tmp[babystep] = 0;
+
+    word const dotprod = m4ri_parity64(tmp);
+    for(int babystep = 0; giantstep + babystep < mb; ++babystep)
+      if(__M4RI_GET_BIT(dotprod, babystep))
+	__M4RI_FLIP_BIT(B->rows[giantstep + babystep][0], i);
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+
+/*****************
+ * LOWER RIGHT
+ ****************/
+
+void _mzd_trsm_lower_right_base(mzd_t const *L, mzd_t *B);
+
+void mzd_trsm_lower_right(mzd_t const *L, mzd_t *B, const int cutoff) {
+  if(L->nrows != B->ncols)
+    m4ri_die("mzd_trsm_lower_right: L nrows (%d) need to match B ncols (%d).\n", L->nrows, B->ncols);
+  if(L->nrows != L->ncols)
+    m4ri_die("mzd_trsm_lower_right: L must be square and is found to be (%d) x (%d).\n", L->nrows, L->ncols);
+
+  _mzd_trsm_lower_right (L, B, cutoff);
+}
+
+void _mzd_trsm_lower_right(mzd_t const *L, mzd_t *B, const int cutoff) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+
+  if(nb <= m4ri_radix) {
+    _mzd_trsm_lower_right_base (L, B);
+    return;
+  }
+
+  rci_t const nb1 = (((nb - 1) / m4ri_radix + 1) >> 1) * m4ri_radix;
+
+  /**
+   \verbatim
+     |\
+     | \
+     |  \
+     |L00\
+     |____\
+     |    |\
+     |    | \
+     |    |  \
+     |L10 |L11\
+     |____|____\
+      _________
+     |B0  |B1  |
+     |____|____|
+   \endverbatim
+   */
+
+  mzd_t *B0 = mzd_init_window(B,  0,     0,   mb, nb1);
+  mzd_t *B1 = mzd_init_window(B,  0,   nb1,   mb, nb);
+  mzd_t const *L00 = mzd_init_window_const(L, 0,     0, nb1, nb1);
+  mzd_t const *L10 = mzd_init_window_const(L, nb1, 0, nb, nb1);
+  mzd_t const *L11 = mzd_init_window_const(L, nb1, nb1,  nb, nb);
+
+  _mzd_trsm_lower_right(L11, B1, cutoff);
+  mzd_addmul (B0, B1, L10, cutoff);
+  _mzd_trsm_lower_right(L00, B0, cutoff);
+
+  mzd_free_window(B0);
+  mzd_free_window(B1);
+
+  mzd_free_window((mzd_t*)L00);
+  mzd_free_window((mzd_t*)L10);
+  mzd_free_window((mzd_t*)L11);
+
+  __M4RI_DD_MZD(B);
+}
+
+void _mzd_trsm_lower_right_base(mzd_t const *L, mzd_t *B) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+
+  for(rci_t i = nb - 1; i >= 0; --i) {
+    /* Computes X_i = B_i + X_{i+1,n} L_{i+1..n,i} */
+    register word ucol = 0;
+    for(rci_t k = i + 1; k < nb; ++k) {
+      if(__M4RI_GET_BIT(L->rows[k][0], i))
+	__M4RI_SET_BIT(ucol, k);
+    }
+
+    /* doing 64 dotproducts at a time, to use the parity64 parallelism */
+    rci_t giantstep;
+    word tmp[64];
+    for(giantstep = 0; giantstep + m4ri_radix < mb; giantstep += m4ri_radix) {
+#if 0
+      for(int babystep = 0; babystep < m4ri_radix; ++babystep)
+           tmp[babystep] = B->rows[giantstep + babystep][0] & ucol;
+#else
+      word **src = B->rows + giantstep;
+      tmp[ 0] = src[ 0][0] & ucol, tmp[ 1] = src[ 1][0] & ucol, tmp[ 2] = src[ 2][0] & ucol, tmp[ 3] = src[ 3][0] & ucol;
+      tmp[ 4] = src[ 4][0] & ucol, tmp[ 5] = src[ 5][0] & ucol, tmp[ 6] = src[ 6][0] & ucol, tmp[ 7] = src[ 7][0] & ucol;
+      tmp[ 8] = src[ 8][0] & ucol, tmp[ 9] = src[ 9][0] & ucol, tmp[10] = src[10][0] & ucol, tmp[11] = src[11][0] & ucol;
+      tmp[12] = src[12][0] & ucol, tmp[13] = src[13][0] & ucol, tmp[14] = src[14][0] & ucol, tmp[15] = src[15][0] & ucol;
+      tmp[16] = src[16][0] & ucol, tmp[17] = src[17][0] & ucol, tmp[18] = src[18][0] & ucol, tmp[19] = src[19][0] & ucol;
+      tmp[20] = src[20][0] & ucol, tmp[21] = src[21][0] & ucol, tmp[22] = src[22][0] & ucol, tmp[23] = src[23][0] & ucol;
+      tmp[24] = src[24][0] & ucol, tmp[25] = src[25][0] & ucol, tmp[26] = src[26][0] & ucol, tmp[27] = src[27][0] & ucol;
+      tmp[28] = src[28][0] & ucol, tmp[29] = src[29][0] & ucol, tmp[30] = src[30][0] & ucol, tmp[31] = src[31][0] & ucol;
+      tmp[32] = src[32][0] & ucol, tmp[33] = src[33][0] & ucol, tmp[34] = src[34][0] & ucol, tmp[35] = src[35][0] & ucol;
+      tmp[36] = src[36][0] & ucol, tmp[37] = src[37][0] & ucol, tmp[38] = src[38][0] & ucol, tmp[39] = src[39][0] & ucol;
+      tmp[40] = src[40][0] & ucol, tmp[41] = src[41][0] & ucol, tmp[42] = src[42][0] & ucol, tmp[43] = src[43][0] & ucol;
+      tmp[44] = src[44][0] & ucol, tmp[45] = src[45][0] & ucol, tmp[46] = src[46][0] & ucol, tmp[47] = src[47][0] & ucol;
+      tmp[48] = src[48][0] & ucol, tmp[49] = src[49][0] & ucol, tmp[50] = src[50][0] & ucol, tmp[51] = src[51][0] & ucol;
+      tmp[52] = src[52][0] & ucol, tmp[53] = src[53][0] & ucol, tmp[54] = src[54][0] & ucol, tmp[55] = src[55][0] & ucol;
+      tmp[56] = src[56][0] & ucol, tmp[57] = src[57][0] & ucol, tmp[58] = src[58][0] & ucol, tmp[59] = src[59][0] & ucol;
+      tmp[60] = src[60][0] & ucol, tmp[61] = src[61][0] & ucol, tmp[62] = src[62][0] & ucol, tmp[63] = src[63][0] & ucol;
+#endif
+
+      word const dotprod = m4ri_parity64(tmp);
+
+#if 0
+      for(int babystep = 0; babystep < m4ri_radix; ++babystep)
+           if(__M4RI_GET_BIT(dotprod, babystep))
+             __M4RI_FLIP_BIT(B->rows[giantstep + babystep][0], i);
+#else
+      src[ 0][0] ^= ((dotprod>> 0)&m4ri_one)<<i, src[ 1][0] ^= ((dotprod>> 1)&m4ri_one)<<i, src[ 2][0] ^= ((dotprod>> 2)&m4ri_one)<<i, src[ 3][0] ^= ((dotprod>> 3)&m4ri_one)<<i;
+      src[ 4][0] ^= ((dotprod>> 4)&m4ri_one)<<i, src[ 5][0] ^= ((dotprod>> 5)&m4ri_one)<<i, src[ 6][0] ^= ((dotprod>> 6)&m4ri_one)<<i, src[ 7][0] ^= ((dotprod>> 7)&m4ri_one)<<i;
+      src[ 8][0] ^= ((dotprod>> 8)&m4ri_one)<<i, src[ 9][0] ^= ((dotprod>> 9)&m4ri_one)<<i, src[10][0] ^= ((dotprod>>10)&m4ri_one)<<i, src[11][0] ^= ((dotprod>>11)&m4ri_one)<<i;
+      src[12][0] ^= ((dotprod>>12)&m4ri_one)<<i, src[13][0] ^= ((dotprod>>13)&m4ri_one)<<i, src[14][0] ^= ((dotprod>>14)&m4ri_one)<<i, src[15][0] ^= ((dotprod>>15)&m4ri_one)<<i;
+      src[16][0] ^= ((dotprod>>16)&m4ri_one)<<i, src[17][0] ^= ((dotprod>>17)&m4ri_one)<<i, src[18][0] ^= ((dotprod>>18)&m4ri_one)<<i, src[19][0] ^= ((dotprod>>19)&m4ri_one)<<i;
+      src[20][0] ^= ((dotprod>>20)&m4ri_one)<<i, src[21][0] ^= ((dotprod>>21)&m4ri_one)<<i, src[22][0] ^= ((dotprod>>22)&m4ri_one)<<i, src[23][0] ^= ((dotprod>>23)&m4ri_one)<<i;
+      src[24][0] ^= ((dotprod>>24)&m4ri_one)<<i, src[25][0] ^= ((dotprod>>25)&m4ri_one)<<i, src[26][0] ^= ((dotprod>>26)&m4ri_one)<<i, src[27][0] ^= ((dotprod>>27)&m4ri_one)<<i;
+      src[28][0] ^= ((dotprod>>28)&m4ri_one)<<i, src[29][0] ^= ((dotprod>>29)&m4ri_one)<<i, src[30][0] ^= ((dotprod>>30)&m4ri_one)<<i, src[31][0] ^= ((dotprod>>31)&m4ri_one)<<i;
+      src[32][0] ^= ((dotprod>>32)&m4ri_one)<<i, src[33][0] ^= ((dotprod>>33)&m4ri_one)<<i, src[34][0] ^= ((dotprod>>34)&m4ri_one)<<i, src[35][0] ^= ((dotprod>>35)&m4ri_one)<<i;
+      src[36][0] ^= ((dotprod>>36)&m4ri_one)<<i, src[37][0] ^= ((dotprod>>37)&m4ri_one)<<i, src[38][0] ^= ((dotprod>>38)&m4ri_one)<<i, src[39][0] ^= ((dotprod>>39)&m4ri_one)<<i;
+      src[40][0] ^= ((dotprod>>40)&m4ri_one)<<i, src[41][0] ^= ((dotprod>>41)&m4ri_one)<<i, src[42][0] ^= ((dotprod>>42)&m4ri_one)<<i, src[43][0] ^= ((dotprod>>43)&m4ri_one)<<i;
+      src[44][0] ^= ((dotprod>>44)&m4ri_one)<<i, src[45][0] ^= ((dotprod>>45)&m4ri_one)<<i, src[46][0] ^= ((dotprod>>46)&m4ri_one)<<i, src[47][0] ^= ((dotprod>>47)&m4ri_one)<<i;
+      src[48][0] ^= ((dotprod>>48)&m4ri_one)<<i, src[49][0] ^= ((dotprod>>49)&m4ri_one)<<i, src[50][0] ^= ((dotprod>>50)&m4ri_one)<<i, src[51][0] ^= ((dotprod>>51)&m4ri_one)<<i;
+      src[52][0] ^= ((dotprod>>52)&m4ri_one)<<i, src[53][0] ^= ((dotprod>>53)&m4ri_one)<<i, src[54][0] ^= ((dotprod>>54)&m4ri_one)<<i, src[55][0] ^= ((dotprod>>55)&m4ri_one)<<i;
+      src[56][0] ^= ((dotprod>>56)&m4ri_one)<<i, src[57][0] ^= ((dotprod>>57)&m4ri_one)<<i, src[58][0] ^= ((dotprod>>58)&m4ri_one)<<i, src[59][0] ^= ((dotprod>>59)&m4ri_one)<<i;
+      src[60][0] ^= ((dotprod>>60)&m4ri_one)<<i, src[61][0] ^= ((dotprod>>61)&m4ri_one)<<i, src[62][0] ^= ((dotprod>>62)&m4ri_one)<<i, src[63][0] ^= ((dotprod>>63)&m4ri_one)<<i;
+#endif
+    }
+    for(int babystep = 0; giantstep + babystep < mb; ++babystep)
+      tmp[babystep] = B->rows[giantstep + babystep][0] & ucol;
+    for(int babystep = mb - giantstep; babystep < 64; ++babystep)
+      tmp[babystep] = 0;
+
+    word const dotprod = m4ri_parity64(tmp);
+    for(int babystep = 0; giantstep + babystep < mb; ++babystep)
+      if(__M4RI_GET_BIT(dotprod, babystep))
+	__M4RI_FLIP_BIT(B->rows[giantstep + babystep][0], i);
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+
+/*****************
+ * LOWER LEFT
+ ****************/
+
+void mzd_trsm_lower_left(mzd_t const *L, mzd_t *B, const int cutoff) {
+  if(L->ncols != B->nrows)
+    m4ri_die("mzd_trsm_lower_left: L ncols (%d) need to match B nrows (%d).\n", L->ncols, B->nrows);
+  if(L->nrows != L->ncols)
+    m4ri_die("mzd_trsm_lower_left: L must be square and is found to be (%d) x (%d).\n", L->nrows, L->ncols);
+
+  _mzd_trsm_lower_left (L, B, cutoff);
+}
+
+ void _mzd_trsm_lower_left(mzd_t const *L, mzd_t *B, const int cutoff) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+  int const nbrest = nb % m4ri_radix;
+
+  if(mb <= m4ri_radix) {
+    /* base case */
+    word const mask_end = __M4RI_LEFT_BITMASK(nbrest);
+    for(rci_t i = 1; i < mb; ++i) {
+      /* Computes X_i = B_i + L_{i,0..i-1} X_{0..i-1}  */
+      word *Lrow = L->rows[i];
+      word *Brow = B->rows[i];
+
+      for (rci_t k = 0; k < i; ++k) {
+        if (__M4RI_GET_BIT(Lrow[0], k)) {
+          for(wi_t j = 0; j < B->width - 1; ++j)
+            Brow[j] ^= B->rows[k][j];
+          Brow[B->width - 1] ^= B->rows[k][B->width - 1] & mask_end;
+        }
+      }
+    }
+  } else if(mb <= __M4RI_MUL_BLOCKSIZE) {
+    _mzd_trsm_lower_left_russian(L, B, 0);
+  } else {
+    rci_t const mb1 = (((mb - 1) / m4ri_radix + 1) >> 1) * m4ri_radix;
+
+    mzd_t *B0 = mzd_init_window(B,  0,     0,   mb1, nb);
+    mzd_t *B1 = mzd_init_window(B, mb1,    0,   mb,  nb);
+    mzd_t const *L00 = mzd_init_window_const(L, 0,     0, mb1, mb1);
+    mzd_t const *L10 = mzd_init_window_const(L, mb1,   0, mb, mb1);
+    mzd_t const *L11 = mzd_init_window_const(L, mb1, mb1, mb, mb);
+
+    _mzd_trsm_lower_left(L00, B0, cutoff);
+
+    mzd_addmul (B1, L10, B0, cutoff);
+
+    _mzd_trsm_lower_left(L11, B1, cutoff);
+
+    mzd_free_window(B0);
+    mzd_free_window(B1);
+
+    mzd_free_window((mzd_t*)L00);
+    mzd_free_window((mzd_t*)L10);
+    mzd_free_window((mzd_t*)L11);
+  }
+  __M4RI_DD_MZD(B);
+}
+
+/*****************
+ * UPPER LEFT
+ ****************/
+
+void mzd_trsm_upper_left(mzd_t const *U, mzd_t *B, const int cutoff) {
+  if(U->ncols != B->nrows)
+    m4ri_die("mzd_trsm_upper_left: U ncols (%d) need to match B nrows (%d).\n", U->ncols, B->nrows);
+  if(U->nrows != U->ncols)
+    m4ri_die("mzd_trsm_upper_left: U must be square and is found to be (%d) x (%d).\n", U->nrows, U->ncols);
+
+  _mzd_trsm_upper_left(U, B, cutoff);
+}
+
+void _mzd_trsm_upper_left(mzd_t const *U, mzd_t *B, const int cutoff) {
+  rci_t const mb = B->nrows;
+  rci_t const nb = B->ncols;
+
+  if(mb <= m4ri_radix) {
+    /* base case */
+
+    word const mask_end = B->high_bitmask;
+
+    // U[mb-1,mb-1] = 1, so no work required for i=mb-1
+    for(rci_t i = mb - 2; i >= 0; --i) {
+
+      /* Computes X_i = B_i + U_{i,i+1..mb} X_{i+1..mb}  */
+      word *Urow = U->rows[i];
+      word *Brow = B->rows[i];
+
+      for(rci_t k = i + 1; k < mb; ++k) {
+        if(__M4RI_GET_BIT(Urow[0], k)){
+          for(wi_t j = 0; j < B->width - 1; ++j)
+            Brow[j] ^= B->rows[k][j];
+          Brow[B->width - 1] ^= B->rows[k][B->width - 1] & mask_end;
+        }
+      }
+    }
+  } else if(mb <= __M4RI_MUL_BLOCKSIZE) {
+    _mzd_trsm_upper_left_russian(U, B, 0);
+  } else {
+    rci_t const mb1 = (((mb-1) / m4ri_radix + 1) >> 1) * m4ri_radix;
+
+    mzd_t *B0 = mzd_init_window(B,  0,     0,   mb1, nb);
+    mzd_t *B1 = mzd_init_window(B, mb1,    0,   mb,  nb);
+    mzd_t const *U00 = mzd_init_window_const(U, 0,     0, mb1, mb1);
+    mzd_t const *U01 = mzd_init_window_const(U, 0,   mb1, mb1, mb);
+    mzd_t const *U11 = mzd_init_window_const(U, mb1, mb1, mb, mb);
+
+    _mzd_trsm_upper_left(U11, B1, cutoff);
+
+    _mzd_addmul (B0, U01, B1, cutoff);
+
+    _mzd_trsm_upper_left(U00, B0, cutoff);
+
+    mzd_free_window(B0);
+    mzd_free_window(B1);
+
+    mzd_free_window((mzd_t*)U00);
+    mzd_free_window((mzd_t*)U01);
+    mzd_free_window((mzd_t*)U11);
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+mzd_t *mzd_trtri_upper(mzd_t *U) {
+  if (U->nrows*U->ncols < __M4RI_CPU_L3_CACHE<<1) {
+    mzd_trtri_upper_russian(U,0);
+  } else {
+    rci_t const n = U->nrows;
+    rci_t n2 = (((n - 1) / m4ri_radix + 1) >> 1);
+
+#if __M4RI_HAVE_SSE2
+    if (n2%2) n2 += 1;
+#endif
+    n2 *= m4ri_radix;
+
+    assert(n2 < n);
+
+    mzd_t *U00 = mzd_init_window(U,  0,  0, n2, n2);
+    mzd_t *U01 = mzd_init_window(U,  0, n2, n2, n );
+    mzd_t *U11 = mzd_init_window(U, n2, n2 , n , n );
+
+    _mzd_trsm_upper_left( U00, U01, 0);
+    _mzd_trsm_upper_right(U11, U01, 0);
+    mzd_trtri_upper(U00);
+    mzd_trtri_upper(U11);
+
+    mzd_free_window((mzd_t*)U00);
+    mzd_free_window((mzd_t*)U01);
+    mzd_free_window((mzd_t*)U11);
+  }
+  return U;
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.h
new file mode 100644
index 0000000..4d9dabb
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.h
@@ -0,0 +1,165 @@
+/**
+ * \file triangular.h
+ *
+ * \brief Triangular system solving with Matrix routines.
+ *
+ * \author Clement Pernet <clement.pernet@gmail.com>
+ */
+
+#ifndef M4RI_TRSM_H
+#define M4RI_TRSM_H
+
+/*******************************************************************
+*
+*                 M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2008 Clement Pernet <clement.pernet@gmail.com>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Solves X U = B with X and B matrices and U upper triangular.
+ *
+ * X is stored inplace on B.
+ * 
+ * \attention Note, that the 'right' variants of TRSM are slower than
+ * the 'left' variants.
+ *
+ * This is the wrapper function including bounds checks. See
+ * _mzd_trsm_upper_right() for implementation details.
+ * 
+ * \param U Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+void mzd_trsm_upper_right(mzd_t const *U, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves X U = B with X and B matrices and U upper triangular.
+ *
+ * X is stored inplace on B.
+ * 
+ * \attention Note, that the 'right' variants of TRSM are slower than
+ * the 'left' variants.
+ *
+ * \param U Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+void _mzd_trsm_upper_right(mzd_t const *U, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves X L = B with X and B matrices and L lower triangular.
+ *
+ * X is stored inplace on B.
+ * 
+ * This is the wrapper function including bounds checks. See
+ * _mzd_trsm_upper_right() for implementation details.
+ *
+ * \attention Note, that the 'right' variants of TRSM are slower than the 'left'
+ * variants.
+ *
+ * \param L Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+void mzd_trsm_lower_right(mzd_t const *L, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves X L = B with X and B with matrices and L lower
+ * triangular.
+ * 
+ * This version assumes that the matrices are at an even position on
+ * the m4ri_radix grid and that their dimension is a multiple of m4ri_radix.
+ * X is stored inplace on B.
+ *
+ * \attention Note, that the 'right' variants of TRSM are slower than
+ * the 'left' variants.
+ *
+ * \param L Input lower triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ *
+ */
+void _mzd_trsm_lower_right(mzd_t const *L, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves L X = B with X and B matrices and L lower triangular.
+ * 
+ * X is stored inplace on B.
+ *  
+ * This is the wrapper function including bounds checks. See
+ * _mzd_trsm_lower_left() for implementation details.
+ *
+ * \param L Input lower triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+void mzd_trsm_lower_left(mzd_t const *L, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves L X = B with X and B matrices and L lower triangular.
+ * 
+ * X is stored inplace on B.
+ *
+ * \param L Input lower triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+void _mzd_trsm_lower_left(mzd_t const *L, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves U X = B with X and B matrices and U upper triangular.
+ *
+ * X is stored inplace on B.
+ *  
+ * This is the wrapper function including bounds checks. See
+ * _mzd_trsm_upper_left() for implementation details.
+ *
+ * \param U Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+
+void mzd_trsm_upper_left(mzd_t const *U, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Solves U X = B with X and B matrices and U upper triangular.
+ *
+ * X is stored inplace on B.
+ *
+ * \param U Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param cutoff Minimal dimension for Strassen recursion.
+ */
+void _mzd_trsm_upper_left (mzd_t const *U, mzd_t *B, const int cutoff);
+
+/**
+ * \brief Invert the upper triangular matrix A by reduction to matrix multiplication.
+ *
+ * \param A Matrix to be inverted (overwritten).
+ *
+ * \return Inverse of A or throws an error
+ */
+
+mzd_t *mzd_trtri_upper(mzd_t *A);
+
+#endif // M4RI_TRSM_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.lo
new file mode 100644
index 0000000..c49d6fc
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.lo
@@ -0,0 +1,12 @@
+# m4ri/triangular.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/triangular.o'
+
+# Name of the non-PIC object
+non_pic_object='triangular.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.o
new file mode 100644
index 0000000..b9b89df
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.c b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.c
new file mode 100644
index 0000000..ea33f38
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.c
@@ -0,0 +1,482 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "triangular_russian.h"
+#include "graycode.h"
+#include "brilliantrussian.h"
+#include "ple_russian.h"
+#include "xor.h"
+
+/** the number of tables used in TRSM decomposition **/
+#define __M4RI_TRSM_NTABLES 8
+
+void _mzd_trsm_upper_left_submatrix(mzd_t const *U, mzd_t *B, rci_t const start_row, int const k, word const mask_end) {
+  for (rci_t i = 0; i < k; ++i) {
+    for (rci_t j = 0; j < i; ++j) {
+      if (mzd_read_bit(U, start_row+(k-i-1), start_row+(k-i)+j)) {
+        word *a = B->rows[start_row+(k-i-1)];
+        word *b = B->rows[start_row+(k-i)+j];
+
+	wi_t ii;
+        for(ii = 0; ii + 8 <= B->width - 1; ii += 8) {
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+        }
+        switch(B->width - ii) {
+        case 8:  *a++ ^= *b++;
+        case 7:  *a++ ^= *b++;
+        case 6:  *a++ ^= *b++;
+        case 5:  *a++ ^= *b++;
+        case 4:  *a++ ^= *b++;
+        case 3:  *a++ ^= *b++;
+        case 2:  *a++ ^= *b++;
+        case 1:  *a++ ^= (*b++ & mask_end);
+        }
+      }
+    }
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+void _mzd_trsm_upper_left_russian(mzd_t const *U, mzd_t *B, int k) {
+  wi_t const wide = B->width;
+
+  word mask_end = __M4RI_LEFT_BITMASK(B->ncols % m4ri_radix);
+
+  if(k == 0) {
+    /* __M4RI_CPU_L2_CACHE == __M4RI_TRSM_NTABLES * 2^k * B->width * 8 */
+    k = (int)log2((__M4RI_CPU_L2_CACHE/8)/(double)B->width/(double)__M4RI_TRSM_NTABLES);
+
+    rci_t const klog = round(0.75 * log2_floor(MIN(B->nrows, B->ncols)));
+
+    if(klog < k) k = klog;
+    if (k<2)     k = 2;
+    else if(k>8) k = 8;
+  }
+
+
+  int kk = __M4RI_TRSM_NTABLES * k;
+  assert(kk <= m4ri_radix);
+
+  mzd_t *T[__M4RI_TRSM_NTABLES];
+  rci_t *L[__M4RI_TRSM_NTABLES];
+
+#ifdef __M4RI_HAVE_SSE2
+  mzd_t *Talign[__M4RI_TRSM_NTABLES];
+  int b_align = (__M4RI_ALIGNMENT(B->rows[0], 16) == 8);
+#endif
+
+  for(int i=0; i<__M4RI_TRSM_NTABLES; i++) {
+#ifdef __M4RI_HAVE_SSE2
+    /* we make sure that T are aligned as C */
+    Talign[i] = mzd_init(__M4RI_TWOPOW(k), B->ncols + m4ri_radix);
+    T[i] = mzd_init_window(Talign[i], 0, b_align*m4ri_radix, Talign[i]->nrows, B->ncols + b_align*m4ri_radix);
+#else
+    T[i] = mzd_init(__M4RI_TWOPOW(k), B->ncols);
+#endif
+    L[i] = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  }
+
+  rci_t i = 0;
+  for (; i < B->nrows - kk; i += kk) {
+
+    _mzd_trsm_upper_left_submatrix(U, B, B->nrows-i-kk, kk, mask_end);
+
+    switch(__M4RI_TRSM_NTABLES) {
+    case 8:  mzd_make_table(B, B->nrows - i - 8*k, 0, k, T[7], L[7]);
+    case 7:  mzd_make_table(B, B->nrows - i - 7*k, 0, k, T[6], L[6]);
+    case 6:  mzd_make_table(B, B->nrows - i - 6*k, 0, k, T[5], L[5]);
+    case 5:  mzd_make_table(B, B->nrows - i - 5*k, 0, k, T[4], L[4]);
+    case 4:  mzd_make_table(B, B->nrows - i - 4*k, 0, k, T[3], L[3]);
+    case 3:  mzd_make_table(B, B->nrows - i - 3*k, 0, k, T[2], L[2]);
+    case 2:  mzd_make_table(B, B->nrows - i - 2*k, 0, k, T[1], L[1]);
+    case 1:  mzd_make_table(B, B->nrows - i - 1*k, 0, k, T[0], L[0]);
+      break;
+    default:
+      m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+    }
+
+
+    for(rci_t j = 0; j < B->nrows - i - kk; ++j) {
+      rci_t x;
+      const word *t[__M4RI_TRSM_NTABLES];
+
+      switch(__M4RI_TRSM_NTABLES) {
+      case 8: x = L[7][ mzd_read_bits_int(U, j, B->nrows - i - 8*k, k) ]; t[7] = T[7]->rows[x];
+      case 7: x = L[6][ mzd_read_bits_int(U, j, B->nrows - i - 7*k, k) ]; t[6] = T[6]->rows[x];
+      case 6: x = L[5][ mzd_read_bits_int(U, j, B->nrows - i - 6*k, k) ]; t[5] = T[5]->rows[x];
+      case 5: x = L[4][ mzd_read_bits_int(U, j, B->nrows - i - 5*k, k) ]; t[4] = T[4]->rows[x];
+      case 4: x = L[3][ mzd_read_bits_int(U, j, B->nrows - i - 4*k, k) ]; t[3] = T[3]->rows[x];
+      case 3: x = L[2][ mzd_read_bits_int(U, j, B->nrows - i - 3*k, k) ]; t[2] = T[2]->rows[x];
+      case 2: x = L[1][ mzd_read_bits_int(U, j, B->nrows - i - 2*k, k) ]; t[1] = T[1]->rows[x];
+      case 1: x = L[0][ mzd_read_bits_int(U, j, B->nrows - i - 1*k, k) ]; t[0] = T[0]->rows[x];
+        break;
+      default:
+        m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+      }
+
+      word *b = B->rows[j];
+      switch(__M4RI_TRSM_NTABLES) {
+      case 8: _mzd_combine_8(b, t, wide); break;
+      case 7: _mzd_combine_7(b, t, wide); break;
+      case 6: _mzd_combine_6(b, t, wide); break;
+      case 5: _mzd_combine_5(b, t, wide); break;
+      case 4: _mzd_combine_4(b, t, wide); break;
+      case 3: _mzd_combine_3(b, t, wide); break;
+      case 2: _mzd_combine_2(b, t, wide); break;
+      case 1: _mzd_combine(b, t[0], wide);
+        break;
+      default:
+        m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+      }
+    }
+  }
+
+  /* handle stuff that doesn't fit in multiples of kk */
+  for ( ;i < B->nrows; i += k) {
+    if (i > B->nrows - k)
+      k = B->nrows - i;
+
+    _mzd_trsm_upper_left_submatrix(U, B, B->nrows-i-k, k, mask_end);
+
+    mzd_make_table(B, B->nrows - i - 1*k, 0, k, T[0], L[0]);
+
+    for(rci_t j = 0; j < B->nrows - i - k; ++j) {
+      rci_t const x0 = L[0][ mzd_read_bits_int(U, j, B->nrows - i - 1*k, k) ];
+
+      word *b = B->rows[j];
+      word *t0 = T[0]->rows[x0];
+
+      for (wi_t ii = 0; ii < wide; ++ii)
+        b[ii] ^= t0[ii];
+    }
+  }
+  for(int i=0; i<__M4RI_TRSM_NTABLES; i++) {
+    mzd_free(T[i]);
+#ifdef __M4RI_HAVE_SSE2
+    mzd_free(Talign[i]);
+#endif
+    m4ri_mm_free(L[i]);
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+void _mzd_trsm_lower_left_submatrix(mzd_t const *L, mzd_t *B, rci_t const start_row, int const k, word const mask_end) {
+  for (int i = 0; i < k; ++i) {
+    for (int j = 0; j < i; ++j) {
+      if (mzd_read_bit(L, start_row+i, start_row+j)) {
+        word *a = B->rows[start_row+i];
+        word *b = B->rows[start_row+j];
+
+	wi_t ii;
+        for(ii = 0; ii + 8 <= B->width - 1; ii += 8) {
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+          *a++ ^= *b++;
+        }
+        switch(B->width - ii) {
+        case 8:  *a++ ^= *b++;
+        case 7:  *a++ ^= *b++;
+        case 6:  *a++ ^= *b++;
+        case 5:  *a++ ^= *b++;
+        case 4:  *a++ ^= *b++;
+        case 3:  *a++ ^= *b++;
+        case 2:  *a++ ^= *b++;
+        case 1:  *a++ ^= (*b++ & mask_end);
+        }
+      }
+    }
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+void _mzd_trsm_lower_left_russian(mzd_t const *L, mzd_t *B, int k) {
+  wi_t const wide = B->width;
+
+  if(k == 0) {
+    /* __M4RI_CPU_L2_CACHE == __M4RI_TRSM_NTABLES * 2^k * B->width * 8 */
+    k = (int)log2((__M4RI_CPU_L2_CACHE/8)/(double)B->width/(double)__M4RI_TRSM_NTABLES);
+
+    rci_t const klog = round(0.75 * log2_floor(MIN(B->nrows, B->ncols)));
+
+    if(klog < k) k = klog;
+    if (k<2)     k = 2;
+    else if(k>8) k = 8;
+  }
+  int kk = __M4RI_TRSM_NTABLES * k;
+  assert(kk <= m4ri_radix);
+
+  mzd_t *T[__M4RI_TRSM_NTABLES];
+  rci_t *J[__M4RI_TRSM_NTABLES];
+
+#ifdef __M4RI_HAVE_SSE2
+    /* we make sure that T are aligned as B, this is dirty, we need a function for this */
+  mzd_t *Talign[__M4RI_TRSM_NTABLES];
+  int b_align = (__M4RI_ALIGNMENT(B->rows[0], 16) == 8);
+#endif
+
+  for(int i=0; i<__M4RI_TRSM_NTABLES; i++) {
+#ifdef __M4RI_HAVE_SSE2
+    Talign[i] = mzd_init(__M4RI_TWOPOW(k), B->ncols + m4ri_radix);
+    T[i] = mzd_init_window(Talign[i], 0, b_align*m4ri_radix, Talign[i]->nrows, B->ncols + b_align*m4ri_radix);
+#else
+    T[i] = mzd_init(__M4RI_TWOPOW(k), B->ncols);
+#endif
+    J[i] = (rci_t*)m4ri_mm_calloc(__M4RI_TWOPOW(k), sizeof(rci_t));
+  }
+
+  const word mask = __M4RI_LEFT_BITMASK(k);
+  rci_t i = 0;
+  for (; i < B->nrows - kk; i += kk) {
+
+    _mzd_trsm_lower_left_submatrix(L, B, i, kk, B->high_bitmask);
+
+    switch(__M4RI_TRSM_NTABLES) {
+    case 8:  mzd_make_table(B, i + 7*k, 0, k, T[7], J[7]);
+    case 7:  mzd_make_table(B, i + 6*k, 0, k, T[6], J[6]);
+    case 6:  mzd_make_table(B, i + 5*k, 0, k, T[5], J[5]);
+    case 5:  mzd_make_table(B, i + 4*k, 0, k, T[4], J[4]);
+    case 4:  mzd_make_table(B, i + 3*k, 0, k, T[3], J[3]);
+    case 3:  mzd_make_table(B, i + 2*k, 0, k, T[2], J[2]);
+    case 2:  mzd_make_table(B, i + 1*k, 0, k, T[1], J[1]);
+    case 1:  mzd_make_table(B, i + 0*k, 0, k, T[0], J[0]);
+      break;
+    default:
+      m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+    }
+
+
+    for(rci_t j = i+kk; j < B->nrows; ++j) {
+      const word *t[__M4RI_TRSM_NTABLES];
+
+      word tmp = mzd_read_bits(L, j, i, kk);
+
+      switch(__M4RI_TRSM_NTABLES) {
+      case 8: t[7] = T[7]->rows[ J[7][ (tmp >> (7*k)) & mask ] ];
+      case 7: t[6] = T[6]->rows[ J[6][ (tmp >> (6*k)) & mask ] ];
+      case 6: t[5] = T[5]->rows[ J[5][ (tmp >> (5*k)) & mask ] ];
+      case 5: t[4] = T[4]->rows[ J[4][ (tmp >> (4*k)) & mask ] ];
+      case 4: t[3] = T[3]->rows[ J[3][ (tmp >> (3*k)) & mask ] ];
+      case 3: t[2] = T[2]->rows[ J[2][ (tmp >> (2*k)) & mask ] ];
+      case 2: t[1] = T[1]->rows[ J[1][ (tmp >> (1*k)) & mask ] ];
+      case 1: t[0] = T[0]->rows[ J[0][ (tmp >> (0*k)) & mask ] ];
+        break;
+      default:
+        m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+      }
+
+      word *b = B->rows[j];
+      switch(__M4RI_TRSM_NTABLES) {
+      case 8: _mzd_combine_8(b, t, wide); break;
+      case 7: _mzd_combine_7(b, t, wide); break;
+      case 6: _mzd_combine_6(b, t, wide); break;
+      case 5: _mzd_combine_5(b, t, wide); break;
+      case 4: _mzd_combine_4(b, t, wide); break;
+      case 3: _mzd_combine_3(b, t, wide); break;
+      case 2: _mzd_combine_2(b, t, wide); break;
+      case 1: _mzd_combine(b, t[0], wide);
+        break;
+      default:
+        m4ri_die("__M4RI_TRSM_NTABLES must be <= 8 but got %d", __M4RI_TRSM_NTABLES);
+      }
+    }
+  }
+
+  /* handle stuff that doesn't fit in multiples of kk */
+  for ( ;i < B->nrows; i += k) {
+    if (i > B->nrows - k)
+      k = B->nrows - i;
+
+    _mzd_trsm_lower_left_submatrix(L, B, i, k, B->high_bitmask);
+
+    mzd_make_table(B, i + 0*k, 0, k, T[0], J[0]);
+
+    for(rci_t j = i+k; j < L->nrows; ++j) {
+      rci_t const x0 = J[0][ mzd_read_bits_int(L, j, i, k) ];
+
+      word *b = B->rows[j];
+      word *t0 = T[0]->rows[x0];
+
+      for (wi_t ii = 0; ii < wide; ++ii)
+        b[ii] ^= t0[ii];
+    }
+  }
+  for(int i=0; i<__M4RI_TRSM_NTABLES; i++) {
+    mzd_free(T[i]);
+#ifdef __M4RI_HAVE_SSE2
+    mzd_free(Talign[i]);
+#endif
+    m4ri_mm_free(J[i]);
+  }
+
+  __M4RI_DD_MZD(B);
+}
+
+
+void mzd_make_table_trtri(mzd_t const *M, rci_t r, rci_t c, int k, ple_table_t *Tb, rci_t startcol) {
+  mzd_t *T = Tb->T;
+  rci_t *L = Tb->E;
+
+  assert(!(T->flags & mzd_flag_multiple_blocks));
+  wi_t const blockoffset  = c / m4ri_radix;
+  wi_t const blockoffset0 = startcol / m4ri_radix;
+
+  assert(blockoffset - blockoffset0 <= 1);
+
+  int const twokay= __M4RI_TWOPOW(k);
+  wi_t const wide = T->width - blockoffset;
+  wi_t const count = (wide + 7) / 8;
+  int const entry_point = wide % 8;
+  wi_t const next_row_offset = blockoffset + T->rowstride - T->width;
+
+  word *ti, *ti1, *m;
+
+  ti1 = T->rows[0] + blockoffset;
+  ti = ti1 + T->rowstride;
+
+  L[0] = 0;
+  for (int i = 1; i < twokay; ++i) {
+    T->rows[i][blockoffset0] = 0; /* we make sure that we can safely add from blockoffset0 */
+    rci_t rowneeded = r + m4ri_codebook[k]->inc[i - 1];
+    m = M->rows[rowneeded] + blockoffset;
+
+    wi_t n = count;
+    switch (entry_point) {
+    case 0: do { *(ti++) = *(m++) ^ *(ti1++);
+    case 7:      *(ti++) = *(m++) ^ *(ti1++);
+    case 6:      *(ti++) = *(m++) ^ *(ti1++);
+    case 5:      *(ti++) = *(m++) ^ *(ti1++);
+    case 4:      *(ti++) = *(m++) ^ *(ti1++);
+    case 3:      *(ti++) = *(m++) ^ *(ti1++);
+    case 2:      *(ti++) = *(m++) ^ *(ti1++);
+    case 1:      *(ti++) = *(m++) ^ *(ti1++);
+      } while (--n > 0);
+    }
+    ti += next_row_offset;
+    ti1 += next_row_offset;
+
+    L[m4ri_codebook[k]->ord[i]] = i;
+  }
+  Tb->B[0] = 0;
+  for(int i=1; i<twokay; ++i) {
+    mzd_xor_bits(T, i, c, k, (word)m4ri_codebook[k]->ord[i]);
+    Tb->B[i] = mzd_read_bits(T, i, startcol, m4ri_radix);
+  }
+}
+
+#define __M4RI_TRTRI_NTABLES 4
+
+static inline void _mzd_trtri_upper_submatrix(mzd_t *A, rci_t pivot_r, rci_t elim_r, const int k) {
+  for(rci_t i=pivot_r; i<pivot_r+k; i++)
+    for(rci_t j=elim_r; j<i; j++)
+      if(mzd_read_bit(A,j,i) && (i+1)<A->ncols )
+        mzd_row_add_offset(A, j, i, i+1);
+}
+
+
+mzd_t *mzd_trtri_upper_russian(mzd_t *A, int k) {
+  assert(A->nrows == A->ncols);
+
+  if (k == 0) {
+    k = m4ri_opt_k(A->nrows, A->ncols, 0);
+    if (k >= 7)
+      k = 7;
+    if (0.75 * __M4RI_TWOPOW(k) *A->ncols > __M4RI_CPU_L3_CACHE / 2.0)
+      k -= 1;
+  }
+
+  const int kk = __M4RI_TRTRI_NTABLES*k;
+
+  int k_[__M4RI_TRTRI_NTABLES];
+  for (int i=0; i<__M4RI_TRTRI_NTABLES; i++)
+    k_[i] = k;
+
+  ple_table_t *T[__M4RI_TRTRI_NTABLES];
+  mzd_t *U[__M4RI_TRTRI_NTABLES];
+  for(int i=0; i<__M4RI_TRTRI_NTABLES; i++) {
+    T[i] = ple_table_init(k, A->ncols);
+    U[i] = mzd_init(k, A->ncols);
+  }
+
+  /** dummy offsets table for _mzd_ple_to_e**/
+  rci_t id[m4ri_radix];
+  for(int i=0; i<m4ri_radix; i++) id[i] = i;
+
+  rci_t r = 0;
+  while(r+kk <= A->nrows) {
+
+    /***
+     * ----------------------------
+     * [  ....................... ]
+     * [  ... U00 U01 U02 U03 ... ]
+     * [  ...     U10 U12 U13 ... ]
+     * ---------------------------- r
+     * [  ...         U22 U23 ... ]
+     * [  ...             U33 ... ]
+     * ----------------------------
+     *
+     * Assume [ U00 U01 ] was already inverted and multiplied with [ U02 U03 ... ]
+     *        [     U10 ]                                          [ U12 U13 ... ]
+     *
+     * We then invert U22 and construct a table for [U22 U23 ... ], then we
+     * invert [U33] and multiply it with [U23]. Then we construct a table for [U23 ... ]
+     **/
+
+    _mzd_trtri_upper_submatrix(A, r, r, k);
+    _mzd_ple_to_e(U[0], A, r, r, k, id);
+    mzd_make_table_trtri(U[0], 0, r,   k, T[0], r);
+
+    _mzd_trtri_upper_submatrix(A, r+k, r, k);
+    _mzd_ple_to_e(U[1], A, r+k, r+k, k, id);
+    mzd_make_table_trtri(U[1], 0, r+k, k, T[1], r);
+
+    _mzd_trtri_upper_submatrix(A, r+2*k, r, k);
+    _mzd_ple_to_e(U[2], A, r+2*k, r+2*k, k, id);
+    mzd_make_table_trtri(U[2], 0, r+2*k, k, T[2], r);
+
+    _mzd_trtri_upper_submatrix(A, r+3*k, r, k);
+    _mzd_ple_to_e(U[3], A, r+3*k, r+3*k, k, id);
+    mzd_make_table_trtri(U[3], 0, r+3*k, k, T[3], r);
+
+    _mzd_process_rows_ple_4(A, 0, r, r, k_, (const ple_table_t** const)T);
+    r += kk;
+  }
+
+  /** deal with the rest **/
+  while(r < A->nrows) {
+    if (A->nrows - r < k)
+      k = A->nrows - r;
+    for(rci_t i=0; i<k; i++)
+      for(rci_t j=0; j<i; j++)
+        if(mzd_read_bit(A,r+j,r+i) && (r+i+1)<A->ncols )
+          mzd_row_add_offset(A, r+j, r+i, r+i+1);
+
+    _mzd_ple_to_e(U[0], A, r, r, k, id);
+    mzd_make_table_trtri(U[0], 0, r, k, T[0], r);
+
+    mzd_process_rows(A, 0, r, r, k, T[0]->T, T[0]->E);
+    r += k;
+  }
+
+  for(int i=0; i<__M4RI_TRTRI_NTABLES; i++) {
+    ple_table_free(T[i]);
+    mzd_free(U[i]);
+  }
+  __M4RI_DD_MZD(A);
+  return A;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.h
new file mode 100644
index 0000000..480366a
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.h
@@ -0,0 +1,68 @@
+/**
+ * \file triangular_russian.h
+ * \brief TRSM and TRTRI via Gray code tables.
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ */
+
+#ifndef M4RI_TRIANGULAR_RUSSIAN
+#define M4RI_TRIANGULAR_RUSSIAN
+
+ /*******************************************************************
+ *
+ *                 M4RI:  Linear Algebra over GF(2)
+ *
+ *    Copyright (C) 2008-2011 Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *  version 2 or higher.
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+
+#include <m4ri/mzd.h>
+
+/**
+ * \brief Solves L X = B with X and B matrices and L lower triangular using Gray code tables.
+ * 
+ * X is stored inplace on B.
+ *
+ * \param L Input lower triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param k Size of Gray code tables or zero for automatic choice (recommended).
+ */
+
+void _mzd_trsm_lower_left_russian(mzd_t const *L, mzd_t *B, int k);
+
+/**
+ * \brief Solves U X = B with X and B matrices and U upper triangular using Gray code tables.
+ *
+ * X is stored inplace on B.
+ *  
+ * \param U Input upper triangular matrix.
+ * \param B Input matrix, being overwritten by the solution matrix X
+ * \param k Size of Gray code tables or zero for automatic choice (recommended).
+ */
+
+void _mzd_trsm_upper_left_russian(mzd_t const *U, mzd_t *B, int k);
+
+/**
+ * \brief Invert the upper triangular matrix A using Kronrod's method.
+ *
+ * \param A Matrix to be inverted (overwritten).
+ * \param k Table size parameter, may be 0 for automatic choice.
+ *
+ * \return Inverse of A or throws an error
+ */
+
+mzd_t *mzd_trtri_upper_russian(mzd_t *A, int k);
+
+#endif //M4RI_TRIANGULAR_RUSSIAN
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.lo b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.lo
new file mode 100644
index 0000000..414aa1e
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.lo
@@ -0,0 +1,12 @@
+# m4ri/triangular_russian.lo - a libtool object file
+# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1.10
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object='.libs/triangular_russian.o'
+
+# Name of the non-PIC object
+non_pic_object='triangular_russian.o'
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.o b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.o
new file mode 100644
index 0000000..29064c0
Binary files /dev/null and b/src-light-solver/preprocess/m4ri-20140914/m4ri/triangular_russian.o differ
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/xor.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/xor.h
new file mode 100644
index 0000000..6b1d1c1
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/xor.h
@@ -0,0 +1,126 @@
+/*
+ * Functions for adding vectors.
+ *
+ * \author Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ */
+
+#ifndef M4RI_XOR_H
+#define M4RI_XOR_H
+
+ /*******************************************************************
+ *
+ *                 M4RI:  Linear Algebra over GF(2)
+ *
+ *    Copyright (C) 2008-2013  Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ *  Distributed under the terms of the GNU General Public License (GPL)
+ *  version 2 or higher.
+ *
+ *    This code is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    General Public License for more details.
+ *
+ *  The full text of the GPL is available at:
+ *
+ *                  http://www.gnu.org/licenses/
+ *
+ ********************************************************************/
+
+#include <m4ri/m4ri_config.h>
+
+#if __M4RI_HAVE_SSE2
+#include <emmintrin.h>
+#endif
+
+#include <m4ri/misc.h>
+
+
+/**
+ * Compute c[i] += t1[i] for 0 <= i < wide
+ *
+ */
+
+static inline void _mzd_combine(word *c, word const *t1, wi_t wide_in) {
+  wi_t wide = wide_in;
+#if __M4RI_HAVE_SSE2
+  /* assuming c, t1 are alligned the same way */
+
+  if (__M4RI_ALIGNMENT(c,16)==8 && wide) {
+    *c++ ^= *t1++;
+    wide--;
+  }
+
+  __m128i *__c = (__m128i*)c;
+  __m128i *__t1 = (__m128i*)t1;
+  const __m128i *eof = (__m128i*)((unsigned long)(c + wide) & ~0xFUL);
+  __m128i xmm1;
+  
+  
+  while(__c < eof-1) {
+    xmm1 = _mm_xor_si128(*__c, *__t1++);
+    *__c++ = xmm1;
+    xmm1 = _mm_xor_si128(*__c, *__t1++);
+    *__c++ = xmm1;
+  }
+
+  if(__c < eof) {
+    xmm1 = _mm_xor_si128(*__c, *__t1++); 
+    *__c++ = xmm1;      
+  }
+  
+  c  = (word*)__c;
+  t1 = (word*)__t1;
+  wide = ((sizeof(word) * wide) % 16) / sizeof(word);
+
+  if(!wide) {
+    __M4RI_DD_RAWROW(c, wide_in);
+    return;
+  }
+#endif // __M4RI_HAVE_SSE2
+
+  wi_t n = (wide + 7) / 8;
+  switch (wide % 8) {
+  case 0: do { *c++ ^= *t1++;
+    case 7:    *c++ ^= *t1++;
+    case 6:    *c++ ^= *t1++;
+    case 5:    *c++ ^= *t1++;
+    case 4:    *c++ ^= *t1++;
+    case 3:    *c++ ^= *t1++;
+    case 2:    *c++ ^= *t1++;
+    case 1:    *c++ ^= *t1++;
+    } while (--n > 0);
+  }
+  __M4RI_DD_RAWROW(c, wide_in);
+}
+
+#define N 2
+#include "xor_template.h"
+#undef N
+
+#define N 3
+#include "xor_template.h"
+#undef N
+
+#define N 4
+#include "xor_template.h"
+#undef N
+
+#define N 5
+#include "xor_template.h"
+#undef N
+
+#define N 6
+#include "xor_template.h"
+#undef N
+
+#define N 7
+#include "xor_template.h"
+#undef N
+
+#define N 8
+#include "xor_template.h"
+#undef N
+
+#endif // M4RI_XOR_H
diff --git a/src-light-solver/preprocess/m4ri-20140914/m4ri/xor_template.h b/src-light-solver/preprocess/m4ri-20140914/m4ri/xor_template.h
new file mode 100644
index 0000000..d1d9360
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/m4ri/xor_template.h
@@ -0,0 +1,361 @@
+#include <m4ri/m4ri_config.h>
+#include <m4ri/misc.h>
+
+/**
+ * Compute c[i] += sum(t[j][i], 0 <= j < N) for 0 <= i < wide
+ *
+ * \todo the non SSE2 version of this code is slow, replace by code from mzd_process_rows8
+ *
+ * \warn Assumes __M4RI_ALIGNMENT(c, 16) == __M4RI_ALIGNMENT(t[i], 16)
+ */
+
+static inline void __M4RI_TEMPLATE_NAME(_mzd_combine)(word *m, word const *t[N], wi_t wide) {
+  assert(1 <= N && N <= 8);
+
+#if __M4RI_HAVE_SSE2
+
+  assert( (__M4RI_ALIGNMENT(m,16) == 8) | (__M4RI_ALIGNMENT(m,16) == 0) );
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[7],16));
+  case 7: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[6],16));
+  case 6: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[5],16));
+  case 5: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[4],16));
+  case 4: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[3],16));
+  case 3: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[2],16));
+  case 2: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[1],16));
+  case 1: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[0],16));
+  };
+
+  if (__M4RI_UNLIKELY(__M4RI_ALIGNMENT(m,16) == 8)) {
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    };
+    wide--;
+  }
+
+  __m128i *m__ = (__m128i*)m;
+  __m128i *t__[N];
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: t__[N-8] = (__m128i*)t[N-8];
+  case 7: t__[N-7] = (__m128i*)t[N-7];
+  case 6: t__[N-6] = (__m128i*)t[N-6];
+  case 5: t__[N-5] = (__m128i*)t[N-5];
+  case 4: t__[N-4] = (__m128i*)t[N-4];
+  case 3: t__[N-3] = (__m128i*)t[N-3];
+  case 2: t__[N-2] = (__m128i*)t[N-2];
+  case 1: t__[N-1] = (__m128i*)t[N-1];
+  };
+
+  __m128i xmm0, xmm1, xmm2, xmm3;
+
+  for(wi_t i=0; i< (wide>>1); i++) {
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*t__[2]++, *t__[3]++);
+      xmm2 = _mm_xor_si128(*t__[4]++, *t__[5]++); xmm3 = _mm_xor_si128(*t__[6]++, *t__[7]++);
+      xmm0 = _mm_xor_si128(xmm0, xmm1);  xmm2 = _mm_xor_si128(xmm2, xmm3);
+      xmm0 = _mm_xor_si128(xmm0, xmm2);  xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 7: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*t__[2]++, *t__[3]++);
+      xmm0 = _mm_xor_si128(xmm0, *t__[4]++);      xmm1 = _mm_xor_si128(xmm1, *t__[5]++);
+      xmm0 = _mm_xor_si128(xmm0, *t__[6]++);      xmm0 = _mm_xor_si128(xmm0, xmm1);
+      xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 6: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*t__[2]++, *t__[3]++);
+      xmm0 = _mm_xor_si128(xmm0, *t__[4]++);      xmm1 = _mm_xor_si128(xmm1, *t__[5]++);
+      xmm0 = _mm_xor_si128(xmm0, xmm1);           xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 5: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*t__[2]++, *t__[3]++);
+      xmm0 = _mm_xor_si128(xmm0, *t__[4]++);      xmm0 = _mm_xor_si128(xmm0, xmm1);
+      xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 4: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*t__[2]++, *t__[3]++);
+      xmm0 = _mm_xor_si128(xmm0, xmm1);           xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 3: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm1 = _mm_xor_si128(*m__, *t__[2]++);
+      xmm0 = _mm_xor_si128(xmm0, xmm1);
+      break;
+    case 2: 
+      xmm0 = _mm_xor_si128(*t__[0]++, *t__[1]++); xmm0 = _mm_xor_si128(*m__, xmm0);
+      break;
+    case 1:
+      xmm0 = _mm_xor_si128(*m__, *t__[0]++); 
+      break;
+    };
+    *m__++ = xmm0;
+  }
+ 
+  if(wide & 0x1) {
+    m = (word*)m__;
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: t[N-8] = (word*)t__[N-8];
+    case 7: t[N-7] = (word*)t__[N-7];
+    case 6: t[N-6] = (word*)t__[N-6];
+    case 5: t[N-5] = (word*)t__[N-5];
+    case 4: t[N-4] = (word*)t__[N-4];
+    case 3: t[N-3] = (word*)t__[N-3];
+    case 2: t[N-2] = (word*)t__[N-2];
+    case 1: t[N-1] = (word*)t__[N-1];
+    }
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+  return;
+#else
+
+  for(wi_t i=0; i< wide; i++) {
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+
+  return;
+#endif // __M4RI_HAVE_SSE2
+}
+
+/**
+ * Compute c[i] += sum(t[j][i], 0 <= j < N) for 0 <= i < wide
+ *
+ * \todo the non SSE2 version of this code is slow, replace by code from mzd_process_rows8
+ *
+ * \warn Assumes __M4RI_ALIGNMENT(c, 16) == 8 and __M4RI_ALIGNMENT(c, 16) == __M4RI_ALIGNMENT(t[i], 16)
+ */
+
+static inline void __M4RI_TEMPLATE_NAME(_mzd_combine_u)(word *m, word const *t[N], wi_t wide) {
+  assert(1 <= N && N <= 8);
+
+#if __M4RI_HAVE_SSE2
+
+  assert( (__M4RI_ALIGNMENT(m,16) == 8) );
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[7],16));
+  case 7: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[6],16));
+  case 6: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[5],16));
+  case 5: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[4],16));
+  case 4: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[3],16));
+  case 3: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[2],16));
+  case 2: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[1],16));
+  case 1: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[0],16));
+  };
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+  case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+  case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+  case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+  case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+  case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+  case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+  case 1: *m++ ^= *t[0]++; break;
+  };
+  wide--;
+
+  __m128i *m__ = (__m128i*)m;
+  __m128i *t__[N];
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: t__[N-8] = (__m128i*)t[N-8];
+  case 7: t__[N-7] = (__m128i*)t[N-7];
+  case 6: t__[N-6] = (__m128i*)t[N-6];
+  case 5: t__[N-5] = (__m128i*)t[N-5];
+  case 4: t__[N-4] = (__m128i*)t[N-4];
+  case 3: t__[N-3] = (__m128i*)t[N-3];
+  case 2: t__[N-2] = (__m128i*)t[N-2];
+  case 1: t__[N-1] = (__m128i*)t[N-1];
+  };
+
+  __m128i xmm1;
+
+  for(wi_t i=0; i< (wide>>1); i++) {
+    xmm1 = _mm_xor_si128(*m__, *t__[0]++);
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: xmm1 = _mm_xor_si128(xmm1, *t__[N-7]++);
+    case 7: xmm1 = _mm_xor_si128(xmm1, *t__[N-6]++);
+    case 6: xmm1 = _mm_xor_si128(xmm1, *t__[N-5]++);
+    case 5: xmm1 = _mm_xor_si128(xmm1, *t__[N-4]++);
+    case 4: xmm1 = _mm_xor_si128(xmm1, *t__[N-3]++);
+    case 3: xmm1 = _mm_xor_si128(xmm1, *t__[N-2]++);
+    case 2: xmm1 = _mm_xor_si128(xmm1, *t__[N-1]++);
+    case 1: break;
+    };
+    *m__++ = xmm1;
+  }
+
+  if(wide & 0x1) {
+    m = (word*)m__;
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: t[N-8] = (word*)t__[N-8];
+    case 7: t[N-7] = (word*)t__[N-7];
+    case 6: t[N-6] = (word*)t__[N-6];
+    case 5: t[N-5] = (word*)t__[N-5];
+    case 4: t[N-4] = (word*)t__[N-4];
+    case 3: t[N-3] = (word*)t__[N-3];
+    case 2: t[N-2] = (word*)t__[N-2];
+    case 1: t[N-1] = (word*)t__[N-1];
+    }
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+  return;
+#else
+
+  for(wi_t i=0; i< wide; i++) {
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+
+  return;
+#endif // __M4RI_HAVE_SSE2
+}
+
+/**
+ * Compute c[i] += sum(t[j][i], 0 <= j < N) for 0 <= i < wide
+ *
+ * \todo the non SSE2 version of this code is slow, replace by code from mzd_process_rows8
+ *
+ * \warn Assumes __M4RI_ALIGNMENT(c, 16) == 0 and __M4RI_ALIGNMENT(c, 16) == __M4RI_ALIGNMENT(t[i], 16)
+ */
+
+static inline void __M4RI_TEMPLATE_NAME(_mzd_combine_a)(word *m, word const *t[N], wi_t wide) {
+  assert(1 <= N && N <= 8);
+
+#if __M4RI_HAVE_SSE2
+
+  assert( __M4RI_ALIGNMENT(m,16) == 0 );
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[7],16));
+  case 7: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[6],16));
+  case 6: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[5],16));
+  case 5: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[4],16));
+  case 4: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[3],16));
+  case 3: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[2],16));
+  case 2: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[1],16));
+  case 1: assert(__M4RI_ALIGNMENT(m,16) == __M4RI_ALIGNMENT(t[0],16));
+  };
+
+  __m128i *m__ = (__m128i*)m;
+  __m128i *t__[N];
+
+  switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+  case 8: t__[N-8] = (__m128i*)t[N-8];
+  case 7: t__[N-7] = (__m128i*)t[N-7];
+  case 6: t__[N-6] = (__m128i*)t[N-6];
+  case 5: t__[N-5] = (__m128i*)t[N-5];
+  case 4: t__[N-4] = (__m128i*)t[N-4];
+  case 3: t__[N-3] = (__m128i*)t[N-3];
+  case 2: t__[N-2] = (__m128i*)t[N-2];
+  case 1: t__[N-1] = (__m128i*)t[N-1];
+  };
+
+  __m128i xmm1;
+
+  for(wi_t i=0; i< (wide>>1); i++) {
+    xmm1 = _mm_xor_si128(*m__, *t__[0]++);
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: xmm1 = _mm_xor_si128(xmm1, *t__[N-7]++);
+    case 7: xmm1 = _mm_xor_si128(xmm1, *t__[N-6]++);
+    case 6: xmm1 = _mm_xor_si128(xmm1, *t__[N-5]++);
+    case 5: xmm1 = _mm_xor_si128(xmm1, *t__[N-4]++);
+    case 4: xmm1 = _mm_xor_si128(xmm1, *t__[N-3]++);
+    case 3: xmm1 = _mm_xor_si128(xmm1, *t__[N-2]++);
+    case 2: xmm1 = _mm_xor_si128(xmm1, *t__[N-1]++);
+    case 1: break;
+    };
+    *m__++ = xmm1;
+  }
+
+  if(wide & 0x1) {
+    m = (word*)m__;
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: t[N-8] = (word*)t__[N-8];
+    case 7: t[N-7] = (word*)t__[N-7];
+    case 6: t[N-6] = (word*)t__[N-6];
+    case 5: t[N-5] = (word*)t__[N-5];
+    case 4: t[N-4] = (word*)t__[N-4];
+    case 3: t[N-3] = (word*)t__[N-3];
+    case 2: t[N-2] = (word*)t__[N-2];
+    case 1: t[N-1] = (word*)t__[N-1];
+    }
+
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+  return;
+#else
+
+  for(wi_t i=0; i< wide; i++) {
+    switch(N) {  /* we rely on the compiler to optimise this switch away, it reads nicer than #if */
+    case 8: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++ ^ *t[7]++; break;
+    case 7: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++ ^ *t[6]++; break;
+    case 6: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++ ^ *t[5]++; break;
+    case 5: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++ ^ *t[4]++; break;
+    case 4: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++ ^ *t[3]++; break;
+    case 3: *m++ ^= *t[0]++ ^ *t[1]++ ^ *t[2]++; break;
+    case 2: *m++ ^= *t[0]++ ^ *t[1]++; break;
+    case 1: *m++ ^= *t[0]++; break;
+    }
+  }
+
+  return;
+#endif // __M4RI_HAVE_SSE2
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/missing b/src-light-solver/preprocess/m4ri-20140914/missing
new file mode 100755
index 0000000..db98974
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/missing
@@ -0,0 +1,215 @@
+#! /bin/sh
+# Common wrapper for a few potentially missing GNU programs.
+
+scriptversion=2013-10-28.13; # UTC
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try '$0 --help' for more information"
+  exit 1
+fi
+
+case $1 in
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+
+Supported PROGRAM values:
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
+
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
+
+Send bug reports to <bug-automake@gnu.org>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'autom4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
+    ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/test-driver b/src-light-solver/preprocess/m4ri-20140914/test-driver
new file mode 100755
index 0000000..d306056
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/test-driver
@@ -0,0 +1,139 @@
+#! /bin/sh
+# test-driver - basic testsuite driver script.
+
+scriptversion=2013-07-13.22; # UTC
+
+# Copyright (C) 2011-2013 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+# Make unconditional expansion of undefined variables an error.  This
+# helps a lot in preventing typo-related bugs.
+set -u
+
+usage_error ()
+{
+  echo "$0: $*" >&2
+  print_usage >&2
+  exit 2
+}
+
+print_usage ()
+{
+  cat <<END
+Usage:
+  test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
+              [--expect-failure={yes|no}] [--color-tests={yes|no}]
+              [--enable-hard-errors={yes|no}] [--]
+              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+END
+}
+
+test_name= # Used for reporting.
+log_file=  # Where to save the output of the test script.
+trs_file=  # Where to save the metadata of the test run.
+expect_failure=no
+color_tests=no
+enable_hard_errors=yes
+while test $# -gt 0; do
+  case $1 in
+  --help) print_usage; exit $?;;
+  --version) echo "test-driver $scriptversion"; exit $?;;
+  --test-name) test_name=$2; shift;;
+  --log-file) log_file=$2; shift;;
+  --trs-file) trs_file=$2; shift;;
+  --color-tests) color_tests=$2; shift;;
+  --expect-failure) expect_failure=$2; shift;;
+  --enable-hard-errors) enable_hard_errors=$2; shift;;
+  --) shift; break;;
+  -*) usage_error "invalid option: '$1'";;
+   *) break;;
+  esac
+  shift
+done
+
+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+  usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+  usage_error "missing argument"
+fi
+
+if test $color_tests = yes; then
+  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
+  red='' # Red.
+  grn='' # Green.
+  lgn='' # Light green.
+  blu='' # Blue.
+  mgn='' # Magenta.
+  std=''     # No color.
+else
+  red= grn= lgn= blu= mgn= std=
+fi
+
+do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
+trap "st=129; $do_exit" 1
+trap "st=130; $do_exit" 2
+trap "st=141; $do_exit" 13
+trap "st=143; $do_exit" 15
+
+# Test script is run here.
+"$@" >$log_file 2>&1
+estatus=$?
+if test $enable_hard_errors = no && test $estatus -eq 99; then
+  estatus=1
+fi
+
+case $estatus:$expect_failure in
+  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
+  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
+  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
+  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
+esac
+
+# Report outcome to console.
+echo "${col}${res}${std}: $test_name"
+
+# Register the test result, and other relevant metadata.
+echo ":test-result: $res" > $trs_file
+echo ":global-test-result: $res" >> $trs_file
+echo ":recheck: $recheck" >> $trs_file
+echo ":copy-in-global-log: $gcopy" >> $trs_file
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_colswap-test_colswap.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_colswap-test_colswap.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_colswap-test_colswap.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_elimination-test_elimination.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_elimination-test_elimination.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_elimination-test_elimination.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_invert-test_invert.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_invert-test_invert.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_invert-test_invert.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_kernel-test_kernel.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_kernel-test_kernel.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_kernel-test_kernel.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_misc-test_misc.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_misc-test_misc.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_misc-test_misc.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_multiplication-test_multiplication.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_ple-test_ple.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_ple-test_ple.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_ple-test_ple.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_random-test_random.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-test_smallops.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-test_smallops.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-test_smallops.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_smallops-testing.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_solve-test_solve.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_transpose-test_transpose.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_transpose-test_transpose.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_transpose-test_transpose.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_trsm-test_trsm.Po b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_trsm-test_trsm.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/.deps/test_trsm-test_trsm.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile b/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile
new file mode 100644
index 0000000..5a3f92d
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile
@@ -0,0 +1,97 @@
+# The use TOPSRCDIR allows to compile this testsuite for a clone (and different revision)
+# of this repository. If the environment variable topsrcdir is the top source directory
+# of the clone, compile this testsuite as:
+#
+# make TOPSRCDIR="$topsrcdir"
+#
+# Finally, if you also leave out TOPSRCDIR and just run 'make' then the testsuite
+# is compiled against the current source tree.
+
+CC = gcc
+DEFINES =
+TOPSRCDIR = ..
+CFLAGS = -I$(TOPSRCDIR) -D_XOPEN_SOURCE=600 -g -O2 $(DEFINES) 
+STAGEDIR := $(realpath -s $(TOPSRCDIR)/.libs)
+LDFLAGS = -L$(STAGEDIR) -Wl,-rpath,$(STAGEDIR) -lm4ri -lm
+PAPI_FLAGS =  
+PAPI_CFLAGS = 
+DEBUG = -ggdb
+
+TEST_PRGS = \
+	test_elimination \
+	test_multiplication \
+	test_trsm \
+	test_ple \
+	test_solve \
+	test_kernel \
+	test_random \
+	test_smallops \
+	test_transpose \
+	test_colswap \
+	test_misc \
+	test_invert
+
+BENCH_PRGS = \
+	bench_elimination \
+	bench_multiplication \
+	bench_ple \
+	bench_trsm \
+	bench_elimination_sparse \
+	bench_mzd \
+	bench_invert \
+	bench_rank
+
+M4RI_HEADERS = \
+        ../src/config.h \
+	../src/m4ri.h \
+	../src/brilliantrussian.h \
+        ../src/echelonform.h \
+        ../src/graycode.h \
+        ../src/misc.h \
+        ../src/mmc.h \
+        ../src/parity.h \
+        ../src/ple.h \
+        ../src/ple_russian.h \
+        ../src/solve.h \
+        ../src/strassen.h \
+        ../src/triangular.h \
+        ../src/triangular_russian.h \
+        ../src/mzd.h \
+        ../src/mzp.h \
+        ../src/xor.h
+
+CPUCYCLES_DIR = ./cpucycles-20060326
+
+.PHONY: all clean dist-clean
+
+all: $(TEST_PRGS) $(BENCH_PRGS)
+
+bench_%: cpucycles.o benchmarking.o bench_%.c Makefile cpucycles.h $(M4RI_HEADERS)
+	$(CC) $(DEBUG) $(PAPI_CFLAGS) $(CFLAGS) $@.c cpucycles.o benchmarking.o $(LDFLAGS) $(PAPI_FLAGS) -lm -o $@
+
+test_%: test_%.c testing.o Makefile $(M4RI_HEADERS)
+	$(CC) $(DEBUG) $(CFLAGS) $@.c $(LDFLAGS) testing.o -o $@
+
+clean:
+	rm -f $(TEST_PRGS)
+	rm -f $(BENCH_PRGS)
+	rm -f *.o cpucycles.h
+	rm -f $(CPUCYCLES_DIR)/cpucycles.o
+	rm -f $(CPUCYCLES_DIR)/cpucycles.h
+
+distclean: clean
+	# rm -f Makefile
+
+cpucycles.h: cpucycles.o
+
+cpucycles.o:
+	(cd $(CPUCYCLES_DIR); sh do; cp cpucycles.o ..; cp cpucycles.h ..)
+
+testing.o: testing.c testing.h ../src/misc.h ../src/mzd.h
+	$(CC) $(DEBUG) $(CFLAGS) -c testing.c $(LDFLAGS) -o $@
+
+benchmarking.o: benchmarking.c benchmarking.h ../src/config.h ../src/misc.h
+	$(CC) $(DEBUG) $(PAPI_CFLAGS) $(CFLAGS) -c benchmarking.c $(LDFLAGS) -o $@
+
+Makefile: # Makefile.in ../config.status
+	(cd .. && /bin/sh ./config.status testsuite/Makefile)
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile.in b/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile.in
new file mode 100644
index 0000000..b707a02
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/Makefile.in
@@ -0,0 +1,97 @@
+# The use TOPSRCDIR allows to compile this testsuite for a clone (and different revision)
+# of this repository. If the environment variable topsrcdir is the top source directory
+# of the clone, compile this testsuite as:
+#
+# make TOPSRCDIR="$topsrcdir"
+#
+# Finally, if you also leave out TOPSRCDIR and just run 'make' then the testsuite
+# is compiled against the current source tree.
+
+CC = @CC@
+DEFINES =
+TOPSRCDIR = ..
+CFLAGS = -I$(TOPSRCDIR) -D_XOPEN_SOURCE=600 @CFLAGS@ $(DEFINES) @OPENMP_CFLAGS@
+STAGEDIR := $(realpath -s $(TOPSRCDIR)/.libs)
+LDFLAGS = -L$(STAGEDIR) -Wl,-rpath,$(STAGEDIR) -lm4ri -lm
+PAPI_FLAGS = @PAPI_LDFLAGS@ @PAPI_LIBS@
+PAPI_CFLAGS = @PAPI_CFLAGS@
+DEBUG = -ggdb
+
+TEST_PRGS = \
+	test_elimination \
+	test_multiplication \
+	test_trsm \
+	test_ple \
+	test_solve \
+	test_kernel \
+	test_random \
+	test_smallops \
+	test_transpose \
+	test_colswap \
+	test_misc \
+	test_invert
+
+BENCH_PRGS = \
+	bench_elimination \
+	bench_multiplication \
+	bench_ple \
+	bench_trsm \
+	bench_elimination_sparse \
+	bench_mzd \
+	bench_invert \
+	bench_rank
+
+M4RI_HEADERS = \
+        ../src/config.h \
+	../src/m4ri.h \
+	../src/brilliantrussian.h \
+        ../src/echelonform.h \
+        ../src/graycode.h \
+        ../src/misc.h \
+        ../src/mmc.h \
+        ../src/parity.h \
+        ../src/ple.h \
+        ../src/ple_russian.h \
+        ../src/solve.h \
+        ../src/strassen.h \
+        ../src/triangular.h \
+        ../src/triangular_russian.h \
+        ../src/mzd.h \
+        ../src/mzp.h \
+        ../src/xor.h
+
+CPUCYCLES_DIR = ./cpucycles-20060326
+
+.PHONY: all clean dist-clean
+
+all: $(TEST_PRGS) $(BENCH_PRGS)
+
+bench_%: cpucycles.o benchmarking.o bench_%.c Makefile cpucycles.h $(M4RI_HEADERS)
+	$(CC) $(DEBUG) $(PAPI_CFLAGS) $(CFLAGS) $@.c cpucycles.o benchmarking.o $(LDFLAGS) $(PAPI_FLAGS) -lm -o $@
+
+test_%: test_%.c testing.o Makefile $(M4RI_HEADERS)
+	$(CC) $(DEBUG) $(CFLAGS) $@.c $(LDFLAGS) testing.o -o $@
+
+clean:
+	rm -f $(TEST_PRGS)
+	rm -f $(BENCH_PRGS)
+	rm -f *.o cpucycles.h
+	rm -f $(CPUCYCLES_DIR)/cpucycles.o
+	rm -f $(CPUCYCLES_DIR)/cpucycles.h
+
+distclean: clean
+	@MAINTAINER_MODE_TRUE@ rm -f Makefile
+
+cpucycles.h: cpucycles.o
+
+cpucycles.o:
+	(cd $(CPUCYCLES_DIR); sh do; cp cpucycles.o ..; cp cpucycles.h ..)
+
+testing.o: testing.c testing.h ../src/misc.h ../src/mzd.h
+	$(CC) $(DEBUG) $(CFLAGS) -c testing.c $(LDFLAGS) -o $@
+
+benchmarking.o: benchmarking.c benchmarking.h ../src/config.h ../src/misc.h
+	$(CC) $(DEBUG) $(PAPI_CFLAGS) $(CFLAGS) -c benchmarking.c $(LDFLAGS) -o $@
+
+Makefile: @MAINTAINER_MODE_TRUE@ Makefile.in ../config.status
+	(cd .. && /bin/sh ./config.status testsuite/Makefile)
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_colswap.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_colswap.c
new file mode 100644
index 0000000..2cd833f
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_colswap.c
@@ -0,0 +1,89 @@
+/*
+ * test_colswap.c
+ *
+ * Application to test functionality of mzd_col_swap.
+ *
+ * Copyright (C) 2011  Carlo Wood  <carlo@alinoe.com>
+ * RSA-1024 0x624ACAD5 1997-01-26                    Sign & Encrypt
+ * Fingerprint16 = 32 EC A7 B6 AC DB 65 A6  F6 F6 55 DD 1C DC FF 61
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <m4ri/m4ri.h>
+
+int test_colswap(rci_t c1) {
+  int failure = 0;
+  printf("col_swap c1: %4d", c1);
+  rci_t const rows = 4 * c1 + 1;
+  mzd_t* A = mzd_init(rows, 4 * c1 + 1);
+  mzd_randomize(A);
+  for (int c2 = 0; c2 < c1 && !failure; c2 += 13) {
+    mzd_t* B = mzd_init_window(A, 0, 0, rows, c1 + 1);
+    mzd_t* C = mzd_copy(NULL, B);
+
+    mzd_col_swap(B, c1, c2);
+    for(int r = 0; r < rows; ++r) {
+      if (mzd_read_bit(C, r, c1) != mzd_read_bit(B, r, c2) || mzd_read_bit(C, r, c2) != mzd_read_bit(B, r, c1)) {
+        ++failure;
+        break;
+      }
+    }
+    mzd_col_swap(B, c2, c1);
+    if (!mzd_equal(B, C)) {
+      ++failure;
+    }
+
+    mzd_col_swap_in_rows(B, c1, c2, c2, c1);
+    for(int r = c1; r < c2; ++r) {
+      if (mzd_read_bit(C, r, c1) != mzd_read_bit(B, r, c2) || mzd_read_bit(C, r, c2) != mzd_read_bit(B, r, c1)) {
+        ++failure;
+        break;
+      }
+    }
+    mzd_col_swap_in_rows(B, c2, c1, c2, c1);
+    if (!mzd_equal(B, C)) {
+      ++failure;
+    }
+    
+    mzd_free(C);
+    mzd_free(B);
+  }
+  mzd_free(A);
+  printf("  ");
+  if (failure) {
+    printf("FAILED\n");
+  }
+  else
+    printf("passed\n");
+  return failure;
+}
+
+int main()
+{
+  int status = 0;
+
+  for (int c1 = 1; c1 < 400; c1 += 15) {
+      status += test_colswap(c1);
+  }
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    printf("TEST FAILED!\n");
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_elimination.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_elimination.c
new file mode 100644
index 0000000..77a2f1c
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_elimination.c
@@ -0,0 +1,131 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int elim_test_equality(rci_t nr, rci_t nc) {
+  int ret = 0; 
+
+  printf("elim: m: %4d, n: %4d ", nr, nc);
+
+  mzd_t *A = mzd_init(nr, nc);
+  mzd_randomize(A);
+  mzd_t *B = mzd_copy(NULL, A);
+  mzd_t *C = mzd_copy(NULL, A);
+  mzd_t *D = mzd_copy(NULL, A);
+  mzd_t *E = mzd_copy(NULL, A);
+  mzd_t *F = mzd_copy(NULL, A);
+  mzd_t *G = mzd_copy(NULL, A);
+
+  /* M4RI k=auto */
+  rci_t ra = mzd_echelonize_m4ri(A, 1, 0);
+
+  /* M4RI k=8 */
+  rci_t rb = mzd_echelonize_m4ri(B, 1, 8);
+
+  /* M4RI Upper Triangular k=auto*/
+  rci_t rc = mzd_echelonize_m4ri(C, 0, 0);
+  mzd_top_echelonize_m4ri(C, 0);
+
+  /* M4RI Upper Triangular k=4*/
+  rci_t rd = mzd_echelonize_m4ri(D, 0, 4);
+  mzd_top_echelonize_m4ri(D, 4);
+
+  /* Gauss */
+  rci_t re = mzd_echelonize_naive(E, 1);
+
+  /* Gauss Upper Triangular */
+  rci_t rf = mzd_echelonize_naive(F, 0);
+  mzd_top_echelonize_m4ri(F, 0);
+
+  /* PLUQ */
+  rci_t rg = mzd_echelonize_pluq(G, 1);
+
+  if(mzd_equal(A, B) != TRUE || ra != rb) {
+    printf("A != B ");
+    ret -= 1;
+  }
+ 
+  if(mzd_equal(B, C) != TRUE || rb != rc) {
+    printf("B != C ");
+    ret -= 1;
+  }
+
+  if(mzd_equal(C, D) != TRUE || rc != rd) {
+    printf("C != D ");
+    ret -= 1;
+  }
+
+  if(mzd_equal(D, E) != TRUE || rd != re) {
+    printf("D != E ");
+    ret -= 1;
+  }
+
+  if(mzd_equal(E, F) != TRUE || re != rf) {
+    printf("E != F ");
+    ret -= 1;
+  }
+
+  if(mzd_equal(F, G) != TRUE || rf != rg) {
+    printf("F != G ");
+    ret -= 1;
+  }
+  if(mzd_equal(G, A) != TRUE || rg != ra) {
+    printf("G != A ");
+    ret -= 1;
+  }
+
+
+  mzd_free(A);
+  mzd_free(B);
+  mzd_free(C);
+  mzd_free(D);
+  mzd_free(E);
+  mzd_free(F);
+  mzd_free(G);
+
+  if(ret == 0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+  return ret;
+}
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  status += elim_test_equality(4, 67);
+  status += elim_test_equality(17, 121);
+  status += elim_test_equality(65, 17);
+  status += elim_test_equality(128, 128);
+  status += elim_test_equality(1024, 1024);
+  status += elim_test_equality(2047, 2047);
+  status += elim_test_equality(65, 65);
+
+  status += elim_test_equality(100, 100);
+  status += elim_test_equality(21, 171);
+  status += elim_test_equality(31, 121);
+  status += elim_test_equality(193, 65);
+  status += elim_test_equality(1025, 1025);
+  status += elim_test_equality(2048, 2048);
+  status += elim_test_equality(64, 64);
+  status += elim_test_equality(128, 128);
+  status += elim_test_equality(4096, 3528);
+  status += elim_test_equality(1024, 1025);
+  status += elim_test_equality(1000, 1000);
+  status += elim_test_equality(1000, 10);
+  status += elim_test_equality(1710, 1290);
+  status += elim_test_equality(1290, 1710);
+  status += elim_test_equality(1290, 1710);
+  status += elim_test_equality(1290, 1290);
+  status += elim_test_equality(1000, 210);
+
+  if (status == 0) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_invert.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_invert.c
new file mode 100644
index 0000000..065b752
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_invert.c
@@ -0,0 +1,95 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+/**
+ * Check that inversion works.
+ *
+ * \param n Number of rows of A
+ * \param k Parameter k of M4RM algorithm, may be 0 for automatic choice.
+ */
+int invert_test(rci_t n, int k) {
+  int ret  = 0;
+  printf("invert: n: %4d, k: %2d", n, k);
+
+  mzd_t *I2 = mzd_init(n, n);
+  mzd_set_ui(I2, 1);
+
+  mzd_t *U = mzd_init(n,n);
+  mzd_randomize(U);
+  for(rci_t i=0; i<n; i++) {
+    mzd_write_bit(U, i, i, 1);
+    for (rci_t j=0; j<i; j++)
+      mzd_write_bit(U, i, j, 0);
+  }
+
+  mzd_t *B = mzd_copy(NULL, U);
+  mzd_trtri_upper(B);
+
+  mzd_t *I1 = mzd_mul(NULL, U, B, 0);
+
+  if (mzd_equal(I1, I2) != TRUE) {
+    ret += 1;
+    printf(" U*~U != 1 ");
+  }
+
+  mzd_t *L = mzd_init(n, n);
+  mzd_randomize(L);
+  for (rci_t i = 0; i < n; ++i) {
+    for (rci_t j = i + 1; j < n; ++j)
+      mzd_write_bit(L,i,j, 0);
+    mzd_write_bit(L,i,i, 1);
+  }
+  mzd_t *A = mzd_mul(NULL, L, U, 0);
+
+  B = mzd_inv_m4ri(B, A, k);
+
+  I1 = mzd_mul(I1, A, B, 0);
+
+  if (mzd_equal(I1, I2) != TRUE) {
+    ret += 1;
+    printf(" A*~A != 1 ");
+  }
+
+  if(ret == 0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+  mzd_free(U);
+  mzd_free(L);
+  mzd_free(A);
+  mzd_free(B);
+  mzd_free(I1);
+  mzd_free(I2);
+
+  return ret;
+
+}
+
+int main() {
+  int status = 0;
+  srandom(17);
+
+  for(int k=0; k<5; k++) {
+    status += invert_test(   1,k);
+    status += invert_test(   2,k);
+    status += invert_test(   3,k);
+    status += invert_test(  21,k);
+    status += invert_test(  64,k);
+    status += invert_test( 128,k);
+    status += invert_test( 193,k);
+    status += invert_test(1000,k);
+    status += invert_test(1024,k);
+    status += invert_test(1025,k);
+    status += invert_test(1290,k);
+    status += invert_test(1710,k);
+    status += invert_test(2048,k);
+  }
+  if (status == 0) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_kernel.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_kernel.c
new file mode 100644
index 0000000..2df7690
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_kernel.c
@@ -0,0 +1,105 @@
+/*******************************************************************
+*
+*                M4RI: Linear Algebra over GF(2)
+*
+*    Copyright (C) 2009 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
+*
+*  Distributed under the terms of the GNU General Public License (GPL)
+*  version 2 or higher.
+*
+*    This code is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*  The full text of the GPL is available at:
+*
+*                  http://www.gnu.org/licenses/
+*
+********************************************************************/
+
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int test_kernel_left_pluq(rci_t m, rci_t n) {
+  mzd_t* A = mzd_init(m, n);
+  mzd_randomize(A);
+  
+  mzd_t *Acopy = mzd_copy(NULL, A);
+
+  rci_t r = mzd_echelonize_m4ri(A, 0, 0);
+  printf("kernel_left m: %4d, n: %4d, r: %4d ", m, n, r);
+  mzd_free(Acopy);
+  Acopy = mzd_copy(NULL, A);
+    
+  mzd_t *X = mzd_kernel_left_pluq(A, 0);
+  if (X == NULL) {
+    printf("passed\n");
+    mzd_free(A);
+    mzd_free(Acopy);
+    return 0;
+  }
+
+  mzd_t *Z = mzd_mul(NULL, Acopy, X, 0);
+  
+  int status = 1 - mzd_is_zero(Z);
+  
+  if (!status)
+    printf("passed\n");
+  else
+    printf("FAILED\n");
+
+  mzd_free(A);
+  mzd_free(Acopy);
+  mzd_free(X);
+  mzd_free(Z);
+  return status;
+}
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  status += test_kernel_left_pluq(  2,   4);
+  status += test_kernel_left_pluq(  4,   1);
+  status += test_kernel_left_pluq( 10,  20);
+  status += test_kernel_left_pluq( 20,   1);
+  status += test_kernel_left_pluq( 20,  20);
+  status += test_kernel_left_pluq( 30,   1);
+  status += test_kernel_left_pluq( 30,  30);
+  status += test_kernel_left_pluq( 80,   1);
+  status += test_kernel_left_pluq( 80,  20);
+  status += test_kernel_left_pluq( 80,  80);
+
+  status += test_kernel_left_pluq( 4,  2);
+  status += test_kernel_left_pluq( 1,  4);
+  status += test_kernel_left_pluq(20, 10);
+  status += test_kernel_left_pluq( 1, 20);
+  status += test_kernel_left_pluq(20, 20);
+  status += test_kernel_left_pluq( 1, 30);
+  status += test_kernel_left_pluq(30, 30);
+  status += test_kernel_left_pluq( 1, 80);
+  status += test_kernel_left_pluq(20, 80);
+  status += test_kernel_left_pluq(80, 80);
+
+  status += test_kernel_left_pluq(10, 20);
+  status += test_kernel_left_pluq(10, 80);
+  status += test_kernel_left_pluq(10, 20);
+  status += test_kernel_left_pluq(10, 80);
+  status += test_kernel_left_pluq(70, 20);
+  status += test_kernel_left_pluq(70, 80);
+  status += test_kernel_left_pluq(70, 20);
+  status += test_kernel_left_pluq(70, 80);
+  status += test_kernel_left_pluq(770, 1600);
+  status += test_kernel_left_pluq(1764, 1345);
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_misc.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_misc.c
new file mode 100644
index 0000000..f093f9b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_misc.c
@@ -0,0 +1,109 @@
+/*
+ * test_misc.c
+ *
+ * Testing small helper functions.
+ *
+ * Copyright (C) 2011  Martin Albrecht <martinralbrecht@googlemail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+#include <m4ri/m4ri.h>
+
+#define b(n) (m4ri_one<<(n))
+
+int test_spread_and_shrink(const word to, const int length, ...) {
+  word from = 0xFF;
+  rci_t *Q = (rci_t*)calloc(sizeof(rci_t),length);
+  va_list l;
+  va_start(l,length);
+  for(size_t i=0; i<length; i++) {
+    Q[i] = va_arg(l, size_t);
+  }
+
+  const word res = m4ri_spread_bits(from, Q, length, 0);
+  const word pre = m4ri_shrink_bits(res, Q, length, 0);
+
+  free(Q);
+  va_end(l);
+
+  if (pre != (b(length)-1)) {
+    return 1;
+  }
+  if (res != to) {
+    return 1;
+  }
+  return 0;
+}
+
+int test_png(rci_t m, rci_t n) {
+  int ret = 0;
+#if __M4RI_HAVE_LIBPNG
+  printf("png: m: %4d, n: %4d", m, n);
+
+  const char *fn = "test_misc__test_png.png";
+
+  mzd_t *A = mzd_init(m,n);
+  mzd_randomize(A);
+  mzd_to_png(A, fn, 0, NULL, 0);
+  mzd_t *B = mzd_from_png(fn, 0);
+
+  ret += mzd_cmp(A,B);
+
+  remove(fn);
+  mzd_free(B);
+  mzd_free(A);
+
+  if(ret==0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+#endif
+  return ret;
+}
+
+
+int main(int argc, char *argv[]) {
+  int status = 0;
+
+  status += test_spread_and_shrink( b(1)|b(0), 2, 0,1);
+  status += test_spread_and_shrink( b(2)|b(0), 2, 0,2);
+  status += test_spread_and_shrink( b(3)|b(1), 2, 1,3);
+  status += test_spread_and_shrink( b(3)|b(2), 2, 2,3);
+  status += test_spread_and_shrink( b(2)|b(1)|b(0), 3, 0,1,2);
+  status += test_spread_and_shrink( b(3)|b(2)|b(0), 3, 0,2,3);
+  status += test_spread_and_shrink( b(4)|b(3)|b(1), 3, 1,3,4);
+  status += test_spread_and_shrink( b(5)|b(3)|b(2), 3, 2,3,5);
+
+  status += test_png(1,1);
+  status += test_png(16,15);
+  status += test_png(32,32);
+  status += test_png(63,63);
+  status += test_png(64,64);
+  status += test_png(113,114);
+  status += test_png(125,102);
+  status += test_png(126,12);
+  status += test_png(128,200);
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    printf("TEST FAILED!\n");
+    return 1;
+  }
+  return 0;
+}
+
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_multiplication.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_multiplication.c
new file mode 100644
index 0000000..3826604
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_multiplication.c
@@ -0,0 +1,331 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+/**
+ * Check that the results of all implemented multiplication algorithms
+ * match up.
+ *
+ * \param m Number of rows of A
+ * \param l Number of columns of A/number of rows of B
+ * \param n Number of columns of B
+ * \param k Parameter k of M4RM algorithm, may be 0 for automatic choice.
+ * \param cutoff Cut off parameter at which dimension to switch from
+ * Strassen to M4RM
+ */
+int mul_test_equality(rci_t m, rci_t l, rci_t n, int k, int cutoff) {
+  int ret  = 0;
+  printf("   mul: m: %4d, l: %4d, n: %4d, k: %2d, cutoff: %4d", m, l, n, k, cutoff);
+
+  /* we create two random matrices */
+  mzd_t *A = mzd_init(m, l);
+  mzd_t *B = mzd_init(l, n);
+  mzd_randomize(A);
+  mzd_randomize(B);
+
+  /* C = A*B via Strassen */
+  mzd_t *C = mzd_mul(NULL, A, B, cutoff);
+
+  /* D = A*B via M4RM, temporary buffers are managed internally */
+  mzd_t *D = mzd_mul_m4rm(    NULL, A, B, k);
+
+  if (mzd_equal(C, D) != TRUE) {
+    printf(" Strassen != M4RM");
+    ret -=1;
+  }
+  
+  /* E = A*B via naive cubic multiplication */
+  mzd_t *E = mzd_mul_naive(    NULL, A, B);
+
+  if (mzd_equal(D, E) != TRUE) {
+    printf(" M4RM != Naiv");
+    ret -= 1;
+  }
+
+  if (mzd_equal(C, E) != TRUE) {
+    printf(" Strassen != Naiv");
+    ret -= 1;
+  }
+  
+#if __M4RI_HAVE_OPENMP
+  mzd_t *F = mzd_mul_mp(NULL, A, B, cutoff);
+  if (mzd_equal(C, F) != TRUE) {
+    printf(" MP != Naiv");
+    ret -= 1;
+  }
+  mzd_free(F);
+#endif
+  
+  mzd_free(A);
+  mzd_free(B);
+  mzd_free(C);
+  mzd_free(D);
+  mzd_free(E);
+
+  if(ret==0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+
+  return ret;
+
+}
+
+/**
+ * Check that the results of all implemented squaring algorithms match
+ * up. 
+ *
+ * \param m Number of rows and columns of A
+ * \param k Parameter k of M4RM algorithm, may be 0 for automatic choice.
+ * \param cutoff Cut off parameter at which dimension to switch from
+ * Strassen to M4RM
+ */
+int sqr_test_equality(rci_t m, int k, int cutoff) {
+  int ret  = 0;
+  mzd_t *A, *C, *D, *E;
+  
+  printf("   sqr: m: %4d, k: %2d, cutoff: %4d", m, k, cutoff);
+
+  /* we create one random matrix */
+  A = mzd_init(m, m);
+  mzd_randomize(A);
+
+  /* C = A*A via Strassen */
+  C = mzd_mul(NULL, A, A, cutoff);
+
+  /* D = A*A via M4RM, temporary buffers are managed internally */
+  D = mzd_mul_m4rm(    NULL, A, A, k);
+
+  /* E = A*A via naive cubic multiplication */
+  E = mzd_mul_naive(    NULL, A, A);
+
+  mzd_free(A);
+
+  if (mzd_equal(C, D) != TRUE) {
+    printf(" Strassen != M4RM");
+    ret -=1;
+  }
+
+  if (mzd_equal(D, E) != TRUE) {
+    printf(" M4RM != Naiv");
+    ret -= 1;
+  }
+
+  if (mzd_equal(C, E) != TRUE) {
+    printf(" Strassen != Naiv");
+    ret -= 1;
+  }
+
+  mzd_free(C);
+  mzd_free(D);
+  mzd_free(E);
+
+  if(ret==0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+
+  return ret;
+}
+
+int addmul_test_equality(rci_t m, rci_t l, rci_t n, int k, int cutoff) {
+  int ret  = 0;
+  printf("addmul: m: %4d, l: %4d, n: %4d, k: %2d, cutoff: %4d", m, l, n, k, cutoff);
+
+  /* we create two random matrices */
+  mzd_t *A = mzd_init(m, l);
+  mzd_t *B = mzd_init(l, n);
+  mzd_t *C = mzd_init(m, n);
+  mzd_randomize(A);
+  mzd_randomize(B);
+  mzd_randomize(C);
+
+  /* D = C + A*B via M4RM, temporary buffers are managed internally */
+  mzd_t *D = mzd_copy(NULL, C);
+  D = mzd_addmul_m4rm(D, A, B, k);
+
+  /* E = C + A*B via naiv cubic multiplication */
+  mzd_t *E = mzd_mul_m4rm(NULL, A, B, k);
+  mzd_add(E, E, C);
+
+  if (mzd_equal(D, E) != TRUE) {
+    printf(" M4RM != add,mul");
+    ret -=1;
+  }
+  
+  /* F = C + A*B via naiv cubic multiplication */
+  mzd_t *F = mzd_copy(NULL, C);
+  F = mzd_addmul(F, A, B, cutoff);
+
+  if (mzd_equal(E, F) != TRUE) {
+    printf(" add,mul = addmul");
+    ret -=1;
+  }
+  if (mzd_equal(F, D) != TRUE) {
+    printf(" M4RM != addmul");
+    ret -=1;
+  }
+
+#if __M4RI_HAVE_OPENMP
+  mzd_t *G = mzd_copy(NULL, C);
+  G = mzd_addmul_mp(G, A, B, cutoff);
+  if (mzd_equal(D, G) != TRUE) {
+    printf(" MP != Naiv");
+    ret -= 1;
+  }
+  mzd_free(G);
+#endif
+  
+  if (ret==0)
+    printf(" ... passed\n");
+  else
+    printf(" ... FAILED\n");
+
+  mzd_free(A);
+  mzd_free(B);
+  mzd_free(C);
+  mzd_free(D);
+  mzd_free(E);
+  mzd_free(F);
+  return ret;
+}
+
+int addsqr_test_equality(rci_t m, int k, int cutoff) {
+  int ret  = 0;
+  mzd_t *A, *C, *D, *E, *F;
+  
+  printf("addsqr: m: %4d, k: %2d, cutoff: %4d", m, k, cutoff);
+
+  /* we create two random matrices */
+  A = mzd_init(m, m);
+  C = mzd_init(m, m);
+  mzd_randomize(A);
+  mzd_randomize(C);
+
+  /* D = C + A*B via M4RM, temporary buffers are managed internally */
+  D = mzd_copy(NULL, C);
+  D = mzd_addmul_m4rm(D, A, A, k);
+
+  /* E = C + A*B via naive cubic multiplication */
+  E = mzd_mul_m4rm(NULL, A, A, k);
+  mzd_add(E, E, C);
+
+  /* F = C + A*B via naive cubic multiplication */
+  F = mzd_copy(NULL, C);
+  F = mzd_addmul(F, A, A, cutoff);
+
+  mzd_free(A);
+  mzd_free(C);
+
+  if (mzd_equal(D, E) != TRUE) {
+    printf(" M4RM != add,mul");
+    ret -=1;
+  }
+  if (mzd_equal(E, F) != TRUE) {
+    printf(" add,mul = addmul");
+    ret -=1;
+  }
+  if (mzd_equal(F, D) != TRUE) {
+    printf(" M4RM != addmul");
+    ret -=1;
+  }
+
+  if (ret==0)
+    printf(" ... passed\n");
+  else
+    printf(" ... FAILED\n");
+
+
+  mzd_free(D);
+  mzd_free(E);
+  mzd_free(F);
+  return ret;
+}
+
+int main() {
+  int status = 0;
+  
+  srandom(17);
+
+  status += mul_test_equality(   1,    1,    1, 0, 1024);
+  status += mul_test_equality(   1,  128,  128, 0,    0);
+  status += mul_test_equality(   3,  131,  257, 0,    0);
+  status += mul_test_equality(  64,   64,   64, 0,   64);
+  status += mul_test_equality( 128,  128,  128, 0,   64);
+  status += mul_test_equality(  21,  171,   31, 0,   63); 
+  status += mul_test_equality(  21,  171,   31, 0,  131); 
+  status += mul_test_equality( 193,   65,   65, 8,   64);
+  status += mul_test_equality(1025, 1025, 1025, 3,  256);
+  status += mul_test_equality(2048, 2048, 4096, 0, 1024);
+  status += mul_test_equality(4096, 3528, 4096, 0, 1024);
+  status += mul_test_equality(1024, 1025,    1, 0, 1024);
+  status += mul_test_equality(1000, 1000, 1000, 0,  256);
+  status += mul_test_equality(1000,   10,   20, 0,   64);
+  status += mul_test_equality(1710, 1290, 1000, 0,  256);
+  status += mul_test_equality(1290, 1710,  200, 0,   64);
+  status += mul_test_equality(1290, 1710, 2000, 0,  256);
+  status += mul_test_equality(1290, 1290, 2000, 0,   64);
+  status += mul_test_equality(1000,  210,  200, 0,   64);
+
+  status += addmul_test_equality(   1,  128,  128, 0,    0);
+  status += addmul_test_equality(   3,  131,  257, 0,    0);
+  status += addmul_test_equality(  64,   64,   64, 0,   64);
+  status += addmul_test_equality( 128,  128,  128, 0,   64);
+  status += addmul_test_equality(  21,  171,   31, 0,   63);
+  status += addmul_test_equality(  21,  171,   31, 0,  131);
+  status += addmul_test_equality( 193,   65,   65, 8,   64);
+  status += addmul_test_equality(1025, 1025, 1025, 3,  256);
+  status += addmul_test_equality(4096, 4096, 4096, 0, 2048);
+  status += addmul_test_equality(1000, 1000, 1000, 0,  256);
+  status += addmul_test_equality(1000,   10,   20, 0,   64);
+  status += addmul_test_equality(1710, 1290, 1000, 0,  256);
+  status += addmul_test_equality(1290, 1710,  200, 0,   64);
+  status += addmul_test_equality(1290, 1710, 2000, 0,  256);
+  status += addmul_test_equality(1290, 1290, 2000, 0,   64);
+  status += addmul_test_equality(1000,  210,  200, 0,   64);
+
+  status += sqr_test_equality(   1, 0, 1024);
+  status += sqr_test_equality( 128, 0,    0);
+  status += sqr_test_equality( 131, 0,    0);
+  status += sqr_test_equality(  64, 0,   64);
+  status += sqr_test_equality( 128, 0,   64);
+  status += sqr_test_equality( 171, 0,   63); 
+  status += sqr_test_equality( 171, 0,  131); 
+  status += sqr_test_equality( 193, 8,   64);
+  status += sqr_test_equality(1025, 3,  256);
+  status += sqr_test_equality(2048, 0, 1024);
+  status += sqr_test_equality(3528, 0, 1024);
+  status += sqr_test_equality(1000, 0,  256);
+  status += sqr_test_equality(1000, 0,   64);
+  status += sqr_test_equality(1710, 0,  256);
+  status += sqr_test_equality(1290, 0,   64);
+  status += sqr_test_equality(2000, 0,  256);
+  status += sqr_test_equality(2000, 0,   64);
+  status += sqr_test_equality( 210, 0,   64);
+
+  status += addsqr_test_equality(   1, 0,    0);
+  status += addsqr_test_equality( 131, 0,    0);
+  status += addsqr_test_equality(  64, 0,   64);
+  status += addsqr_test_equality( 128, 0,   64);
+  status += addsqr_test_equality( 171, 0,   63);
+  status += addsqr_test_equality( 171, 0,  131);
+  status += addsqr_test_equality( 193, 8,   64);
+  status += addsqr_test_equality(1025, 3,  256);
+  status += addsqr_test_equality(4096, 0, 2048);
+  status += addsqr_test_equality(1000, 0,  256);
+  status += addsqr_test_equality(1000, 0,   64);
+  status += addsqr_test_equality(1710, 0,  256);
+  status += addsqr_test_equality(1290, 0,   64);
+  status += addsqr_test_equality(2000, 0,  256);
+  status += addsqr_test_equality(2000, 0,   64);
+  status += addsqr_test_equality( 210, 0,   64);
+
+  if (status == 0) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_ple.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_ple.c
new file mode 100644
index 0000000..34b31b5
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_ple.c
@@ -0,0 +1,338 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int check_pluq(mzd_t *A, rci_t *r) {
+  mzd_t* Acopy = mzd_copy (NULL,A);
+
+  const rci_t m = A->nrows;
+  const rci_t n = A->ncols;
+  
+  mzd_t* L = mzd_init(m, m);
+  mzd_t* U = mzd_init(m, n);
+  
+  mzp_t* P = mzp_init(m);
+  mzp_t* Q = mzp_init(n);
+  r[0] = mzd_pluq(A, P, Q, 0);
+
+  for (rci_t i = 0; i < r[0]; ++i){
+    for (rci_t j = 0; j < i; ++j)
+      mzd_write_bit(L, i, j, mzd_read_bit(A,i,j));
+    for (rci_t j = i + 1; j < n; ++j)
+      mzd_write_bit(U, i, j, mzd_read_bit(A,i,j));
+  }
+  for (rci_t i = r[0]; i < m; ++i)
+    for (rci_t j = 0; j < r[0]; ++j)
+      mzd_write_bit(L, i, j, mzd_read_bit(A,i,j));
+  for (rci_t i = 0; i < r[0]; ++i){
+    mzd_write_bit(L,i,i, 1);
+    mzd_write_bit(U,i,i, 1);
+  }
+
+  mzd_apply_p_left(Acopy, P);
+  mzd_apply_p_right_trans(Acopy, Q);
+
+  mzd_addmul(Acopy, L, U, 0);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit (Acopy,i,j)){
+	status = 1;
+        break;
+      }
+    }  
+  mzd_free(U);
+  mzd_free(L);
+  mzd_free(Acopy);
+  mzp_free(P);
+  mzp_free(Q);
+  
+  return status;
+}
+
+int test_pluq_full_rank (rci_t m, rci_t n){
+  printf("pluq: testing full rank m: %5d, n: %5d", m, n);
+
+  mzd_t* U  = mzd_init(m,n);
+  mzd_t* L  = mzd_init(m,m);
+  mzd_t* U2 = mzd_init(m,n);
+  mzd_t* L2 = mzd_init(m,m);
+  mzd_t* A = mzd_init(m,n);
+  mzd_randomize (U);
+  mzd_randomize (L);
+
+  for (rci_t i = 0; i < m; ++i){
+    for (rci_t j = 0; j < i && j < n;++j)
+      mzd_write_bit(U,i,j, 0);
+    for (rci_t j = i + 1; j < m; ++j)
+      mzd_write_bit(L,i,j, 0);
+    if(i<n)
+      mzd_write_bit(U,i,i, 1);
+    mzd_write_bit(L,i,i, 1);
+  }
+  
+  mzd_mul(A, L, U, 2048);
+
+  mzd_t* Acopy = mzd_copy (NULL,A);
+
+  mzp_t* P = mzp_init(m);
+  mzp_t* Q = mzp_init(n);
+  mzd_pluq(A, P, Q, 2048);
+
+  for (rci_t i = 0; i < m; ++i){
+    for (rci_t j = 0; j < i && j < n; ++j)
+      mzd_write_bit (L2, i, j, mzd_read_bit(A,i,j));
+    for (rci_t j = i + 1; j < n; ++j)
+      mzd_write_bit (U2, i, j, mzd_read_bit(A,i,j));
+  }
+  
+  for (rci_t i = 0; i < n && i < m; ++i){
+    mzd_write_bit(L2,i,i, 1);
+    mzd_write_bit(U2,i,i, 1);
+  }
+  mzd_addmul(Acopy,L2,U2,0);
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j=0; j < n; ++j){
+      if (mzd_read_bit (Acopy,i,j)){
+	status = 1;
+      }
+    }
+  if (status){
+    printf(" ... FAILED\n");
+  }  else
+    printf (" ... passed\n");
+  mzd_free(U);
+  mzd_free(L);
+  mzd_free(U2);
+  mzd_free(L2);
+  mzd_free(A);
+  mzd_free(Acopy);
+  mzp_free(P);
+  mzp_free(Q);
+  return status;
+}
+
+int test_pluq_half_rank(rci_t m, rci_t n) {
+  printf("pluq: testing half rank m: %5d, n: %5d", m, n);
+
+  mzd_t* U = mzd_init(m, n);
+  mzd_t* L = mzd_init(m, m);
+  mzd_t* U2 = mzd_init(m, n);
+  mzd_t* L2 = mzd_init(m, m);
+  mzd_t* A = mzd_init(m, n);
+  mzd_randomize (U);
+  mzd_randomize (L);
+
+  for (rci_t i = 0; i < m && i < n; ++i) {
+    mzd_write_bit(U,i,i, 1);
+    for (rci_t j = 0; j < i;++j)
+      mzd_write_bit(U,i,j, 0);
+    if (i%2)
+      for (rci_t j = i; j < n;++j)
+	mzd_write_bit(U,i,j, 0);
+    for (rci_t j = i + 1; j < m; ++j)
+      mzd_write_bit(L,i,j, 0);
+    mzd_write_bit(L,i,i, 1);
+  }
+  
+  mzd_mul(A, L, U, 0);
+
+  mzd_t* Acopy = mzd_copy (NULL,A);
+
+  mzp_t* Pt = mzp_init(m);
+  mzp_t* Q = mzp_init(n);
+  rci_t r = mzd_pluq(A, Pt, Q, 0);
+
+  for (rci_t i = 0; i < r; ++i) {
+    for (rci_t j = 0; j < i; ++j)
+      mzd_write_bit (L2, i, j, mzd_read_bit(A,i,j));
+    for (rci_t j = i + 1; j < n; ++j)
+      mzd_write_bit (U2, i, j, mzd_read_bit(A,i,j));
+  }
+  for (rci_t i = r; i < m; ++i)
+    for (rci_t j = 0; j < r;++j)
+      mzd_write_bit (L2, i, j, mzd_read_bit(A,i,j));
+  for (rci_t i = 0; i < r; ++i){
+    mzd_write_bit(L2,i,i, 1);
+    mzd_write_bit(U2,i,i, 1);
+  }
+
+  mzd_apply_p_left(Acopy, Pt);
+  mzd_apply_p_right_trans(Acopy, Q);
+
+  mzd_addmul(Acopy,L2,U2,0);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i) {
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit(Acopy,i,j)){
+	status = 1;
+      }
+    }
+    if(status)
+      break;
+  }
+  if (status)
+    printf(" ... FAILED\n");
+  else
+    printf (" ... passed\n");
+  mzd_free(U);
+  mzd_free(L);
+  mzd_free(U2);
+  mzd_free(L2);
+  mzd_free(A);
+  mzd_free(Acopy);
+  mzp_free(Pt);
+  mzp_free(Q);
+  return status;
+}
+
+int test_pluq_structured(rci_t m, rci_t n) {
+
+  printf("pluq: testing structured m: %5d, n: %5d", m, n);
+
+  mzd_t* A = mzd_init(m, n);
+  mzd_t* L = mzd_init(m, m);
+  mzd_t* U = mzd_init(m, n);
+
+  for(rci_t i = 0; i < m; i += 2)
+    for (rci_t j = i; j < n; ++j)
+      mzd_write_bit(A, i, j, 1);
+
+  rci_t r = 0;
+  int status = check_pluq(A, &r);
+  printf(", rank: %5d ",r);
+  
+  if (status) {
+    printf(" ... FAILED\n");
+  }  else
+    printf (" ... passed\n");
+  mzd_free(A);
+  return status;
+}
+
+int test_pluq_random(rci_t m, rci_t n) {
+  printf("pluq: testing random m: %5d, n: %5d", m, n);
+
+  mzd_t* A = mzd_init(m, n);
+  mzd_randomize(A);
+
+  rci_t r = 0;
+  int status = check_pluq(A, &r);
+  printf(", rank: %5d ",r);
+  
+  if (status) {
+    printf(" ... FAILED\n");
+  }  else
+    printf (" ... passed\n");
+  mzd_free(A);
+  return status;
+}
+
+int test_pluq_string(rci_t m, rci_t n, const char *str) {
+  printf("pluq: testing string m: %5d, n: %5d", m, n);
+  
+  
+  mzd_t *A = mzd_from_str(m, n, str);
+
+  mzd_t *Acopy = mzd_copy(NULL, A);
+  mzp_t *P = mzp_init(A->nrows);
+  mzp_t *Q = mzp_init(A->ncols);
+  _mzd_ple_russian(Acopy, P, Q, 0);
+  mzd_print(Acopy);
+  rci_t r = 0;
+  int status = check_pluq(A, &r);
+  printf(", rank: %5d ",r);
+  
+  if (status) {
+    printf(" ... FAILED\n");
+  }  else
+    printf (" ... passed\n");
+  mzd_free(A);
+  return status;
+}
+
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  status += test_pluq_string(4, 4, "0101011100010110");
+  
+  status += test_pluq_structured(37, 37);
+  status += test_pluq_structured(63, 63);
+  status += test_pluq_structured(64, 64);
+  status += test_pluq_structured(65, 65);
+  status += test_pluq_structured(128, 128);
+
+  status += test_pluq_structured(37, 137);
+  status += test_pluq_structured(65, 5);
+  status += test_pluq_structured(128, 18);
+
+  status += test_pluq_full_rank(13, 13);
+  status += test_pluq_full_rank(37, 37);
+  status += test_pluq_full_rank(63, 63);
+  status += test_pluq_full_rank(64, 64);
+  status += test_pluq_full_rank(65, 65);
+  status += test_pluq_full_rank(97, 97); 
+  status += test_pluq_full_rank(128, 128);
+  status += test_pluq_full_rank(150, 150);
+  status += test_pluq_full_rank(256, 256);
+  status += test_pluq_full_rank(1024, 1024);
+
+  status += test_pluq_full_rank(13, 11);
+  status += test_pluq_full_rank(37, 39);
+  status += test_pluq_full_rank(64, 164);
+  status += test_pluq_full_rank(97, 92);
+  status += test_pluq_full_rank(128, 121);
+  status += test_pluq_full_rank(150, 153);
+  status += test_pluq_full_rank(256, 258);
+  status += test_pluq_full_rank(1024, 1023);
+
+  status += test_pluq_half_rank(64, 64);
+  status += test_pluq_half_rank(65, 65);
+  status += test_pluq_half_rank(66, 66);
+  status += test_pluq_half_rank(127, 127);
+  status += test_pluq_half_rank(129, 129);
+  status += test_pluq_half_rank(148, 148);
+  status += test_pluq_half_rank(132, 132);
+  status += test_pluq_half_rank(256, 256);
+  status += test_pluq_half_rank(1024, 1024);
+
+  status += test_pluq_half_rank(129, 127);
+  status += test_pluq_half_rank(132, 136);
+  status += test_pluq_half_rank(256, 251);
+  status += test_pluq_half_rank(1024, 2100);
+
+  status += test_pluq_random(63, 63);
+  status += test_pluq_random(64, 64);
+  status += test_pluq_random(65, 65);
+
+  status += test_pluq_random(128, 128);
+  status += test_pluq_random(128, 131);
+  status += test_pluq_random(132, 731);
+  status += test_pluq_random(150, 150);
+  status += test_pluq_random(252, 24);
+  status += test_pluq_random(256, 256);
+  status += test_pluq_random(1024, 1022);
+  status += test_pluq_random(1024, 1024);
+
+  status += test_pluq_random(128, 1280);
+  status += test_pluq_random(128, 130);
+  status += test_pluq_random(132, 132);
+  status += test_pluq_random(150, 151);
+  status += test_pluq_random(252, 2);
+  status += test_pluq_random(256, 251);
+  status += test_pluq_random(1024, 1025);
+  status += test_pluq_random(1024, 1021);
+
+  if (!status) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_random.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_random.c
new file mode 100644
index 0000000..5beea16
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_random.c
@@ -0,0 +1,86 @@
+/*
+ * test_random.c
+ *
+ * Application to test functionality of mzd_randomize (and mzd_equal).
+ * In particular if these function correctly for windowed matrices.
+ *
+ * Copyright (C) 2011  Carlo Wood  <carlo@alinoe.com>
+ * RSA-1024 0x624ACAD5 1997-01-26                    Sign & Encrypt
+ * Fingerprint16 = 32 EC A7 B6 AC DB 65 A6  F6 F6 55 DD 1C DC FF 61
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <m4ri/config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int test_random(rci_t m, rci_t n)
+{
+  mzd_t *A = mzd_init(m + 3, n + 64);
+  mzd_t *W = mzd_init_window(A, 1, 0, m + 1, n);
+  mzd_t *M = mzd_init(m, n);
+  printf("randomize m: %4d, n: %4d ", m, n);
+  srandom(17);
+  mzd_randomize(M);
+  srandom(17);
+  mzd_randomize(W);
+  int failure = !mzd_equal(M, W);
+  if (failure)
+  {
+#if 1
+    printf("FAILED\n");
+#else
+    printf("FAILURE: M != W:\n");
+    printf("M %dx%d:\n", m, n);
+    mzd_print(M);
+    printf("W %dx%d:\n", m, n);
+    mzd_print(W);
+#endif
+  }
+  else
+    printf("passed\n");
+  mzd_free(M);
+  mzd_free(A);
+  return failure;
+}
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  for (rci_t n = 0; n < 3 * m4ri_radix; n += m4ri_radix)
+  {
+    status += test_random(20, n + 1);
+    status += test_random(20, n + 2);
+    status += test_random(20, n + 32);
+    status += test_random(20, n + 50);
+    status += test_random(20, n + 51);
+    status += test_random(20, n + 52);
+    status += test_random(20, n + 63);
+    status += test_random(20, n + 64);
+    status += test_random(20, n + 65);
+  }
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    printf("TEST FAILED!\n");
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_smallops.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_smallops.c
new file mode 100644
index 0000000..df493bb
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_smallops.c
@@ -0,0 +1,141 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include "testing.h"
+#include <m4ri/m4ri.h>
+
+//#define ABORT_ON_FAIL 1
+
+int smallops_test_add(rci_t M, rci_t N, rci_t m, rci_t n, word pattern) {
+  int ret = 0; 
+
+  printf("      mzd_add: M: %4d, N: %4d, m: %4d, n: %4d, pattern: 0x%" PRIx64 " ", M, N, m, n, pattern);
+
+  mzd_t *AA;
+  mzd_t *A = mzd_init_test_matrix_random(M, N, m, n, pattern, &AA);
+
+  mzd_t *BB;
+  mzd_t *B = mzd_init_test_matrix_random(M, N, m, n, pattern, &BB);
+
+  mzd_t *CC;
+  mzd_t *C = mzd_init_test_matrix_random(M, N, m, n, pattern, &CC);
+
+  mzd_t *DD;
+  mzd_t *D = mzd_init_test_matrix_random(M, N, m, n, pattern, &DD);
+
+  /* Creation went okay? */
+
+  ret += mzd_check_pattern(AA, m, n, pattern);
+  ret += mzd_check_pattern(BB, m, n, pattern);
+  ret += mzd_check_pattern(CC, m, n, pattern);
+  ret += mzd_check_pattern(DD, m, n, pattern);
+
+
+  /* Testing equality A+A == 0 */
+
+  mzd_add(C, A, A);
+
+  if(!mzd_is_zero(C)) {
+    ret +=1;
+  }
+
+  ret += mzd_check_pattern(AA, m, n, pattern);
+  ret += mzd_check_pattern(BB, m, n, pattern);
+  ret += mzd_check_pattern(CC, m, n, pattern);
+
+  /* Testing equality A+A == 0 but this time C is already zero */
+
+  mzd_add(C, B, B);
+
+  if(!mzd_is_zero(C)) {
+    ret +=1;
+  }
+
+  ret += mzd_check_pattern(AA, m, n, pattern);
+  ret += mzd_check_pattern(BB, m, n, pattern);
+  ret += mzd_check_pattern(CC, m, n, pattern);
+
+  /* Testing in place add. C is zero, so afterwards C == A */
+
+  mzd_add(C, C, A);
+
+  if(!mzd_equal(C,A)) {
+    ret +=1;
+  }
+
+  ret += mzd_check_pattern(AA, m, n, pattern);
+  ret += mzd_check_pattern(BB, m, n, pattern);
+  ret += mzd_check_pattern(CC, m, n, pattern);
+
+  /* Testing equality C (== A) + A == 0 */
+
+  mzd_add(B, C, A);
+
+  if(!mzd_is_zero(B)) {
+    ret +=1;
+  }
+
+
+  if(m == n) {
+    /* Testing equality (A + B)^2 == A^2 + BA + AB + B^2 */
+
+    mzd_randomize(A);
+    mzd_randomize(B);
+    
+    mzd_add(C,A,B);
+    
+    mzd_mul(D,C,C, 0); // (A+B)^2
+    
+    mzd_mul(C,A,A, 0); 
+    mzd_addmul(C, B, A, 0);
+    mzd_addmul(C, A, B, 0);
+    mzd_addmul(C, B, B, 0);
+    
+    if(!mzd_equal(C,D)) {
+      ret += 1;
+    }
+
+    ret += mzd_check_pattern(AA, m, n, pattern);
+    ret += mzd_check_pattern(BB, m, n, pattern);
+    ret += mzd_check_pattern(CC, m, n, pattern);
+    ret += mzd_check_pattern(DD, m, n, pattern);
+  }
+
+  mzd_free_test_matrix_random(AA, A);
+  mzd_free_test_matrix_random(BB, B);
+  mzd_free_test_matrix_random(CC, C);
+  mzd_free_test_matrix_random(DD, D);
+
+  if(ret == 0) {
+    printf(" ... passed\n");
+  } else {
+    printf(" ... FAILED\n");
+  }
+#ifdef ABORT_ON_FAIL
+  if (ret) abort();
+#endif
+
+  return ret;
+}
+
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  status += smallops_test_add( 64,  64,  10,  10, 0x03030303030303llu);
+  status += smallops_test_add(100, 100,  64,  64, 0x03030303030303llu);
+
+  status += smallops_test_add(1024, 1024, 513,    511, 0x03030303030303llu);
+  status += smallops_test_add(1024, 1024, 512, 768+30, 0x03030303030303llu);
+
+  status += smallops_test_add(2048, 2048, 1024, 1024,  0x03030303030303llu);
+
+  if (status == 0) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_solve.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_solve.c
new file mode 100644
index 0000000..023f124
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_solve.c
@@ -0,0 +1,90 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int test_pluq_solve_left(rci_t m, rci_t n, int offsetA, int offsetB){
+  mzd_t* Abase = mzd_init(2048, 2048);
+  mzd_t* Bbase = mzd_init(2048, 2048);
+  mzd_randomize(Abase);
+  mzd_randomize(Bbase);
+
+  mzd_t* A = mzd_init_window(Abase, 0, offsetA, m, m + offsetA);
+  mzd_t* B = mzd_init_window(Bbase, 0, offsetB, m, n + offsetB);
+  
+  // copy B
+  mzd_t* Bcopy = mzd_init(B->nrows, B->ncols);
+  for (rci_t i = 0; i < B->nrows; ++i)
+      for (rci_t j = 0; j < B->ncols; ++j)
+          mzd_write_bit(Bcopy,i,j, mzd_read_bit (B,i,j));
+
+  for (rci_t i = 0; i < m; ++i) {
+    mzd_write_bit(A,i,i, 1);
+  }
+
+  mzd_t *Acopy = mzd_copy(NULL, A);
+  rci_t r = mzd_echelonize(Acopy,1);
+  printf("solve_left m: %4d, n: %4d, r: %4d da: %4d db: %4d ", m, n, r, offsetA, offsetB);
+  mzd_free(Acopy);
+  Acopy = mzd_copy(NULL, A);
+    
+  int consistency = mzd_solve_left(A, B, 0, 1);
+
+  //copy B
+  mzd_t *X = mzd_init(B->nrows,B->ncols);
+  for (rci_t i = 0; i < B->nrows; ++i)
+      for (rci_t j = 0; j < B->ncols; ++j)
+          mzd_write_bit(X,i,j, mzd_read_bit (B,i,j));
+
+  mzd_t *B1 = mzd_mul(NULL, Acopy, X, 0);
+  mzd_t *Z = mzd_add(NULL, Bcopy, B1);
+  
+  int status = 0;
+  
+  if(consistency == 0) {
+    status = 1 - mzd_is_zero(Z);
+    if (status == 0) {
+      printf("passed\n");
+    }  else {
+      printf("FAILED\n");
+    }
+  } else {
+    printf("skipped (no solution)\n");
+  }
+  mzd_free(Bcopy);
+  mzd_free(B1);
+  mzd_free(Z);
+
+  mzd_free_window(A);
+  mzd_free_window(B);
+  mzd_free(Acopy);
+  mzd_free(Abase);
+  mzd_free(Bbase);
+  mzd_free(X);
+  return status;
+}
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  for(size_t i=0; i<100; i++) {
+    size_t m = random() & 511;
+    size_t n = random() & 1023;
+    m = m ? (m) : 1;
+    n = n ? (n) : 1;
+
+    status += test_pluq_solve_left(  m,   n,  0,  0);
+  }
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_transpose.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_transpose.c
new file mode 100644
index 0000000..c25cad5
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_transpose.c
@@ -0,0 +1,116 @@
+/*
+ * test_transpose.c
+ *
+ * Application to test functionality of mzd_transpose.
+ *
+ * Copyright (C) 2011  Carlo Wood  <carlo@alinoe.com>
+ * RSA-1024 0x624ACAD5 1997-01-26                    Sign & Encrypt
+ * Fingerprint16 = 32 EC A7 B6 AC DB 65 A6  F6 F6 55 DD 1C DC FF 61
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <m4ri/m4ri.h>
+
+int test_size[18] = {
+  1, 3, 4, 7, 8, 11, 16, 17, 32, 40, 64, 80, 128, 160, 192, 240, 256, 512
+};
+
+int test_transpose(int i)
+{
+  int failure = 0;
+  rci_t m = test_size[i];
+  printf("transpose m: %4d, n: ", m);
+  for (int j = 0; j < 18 && !failure; ++j) {
+    rci_t n = test_size[j];
+    printf("%d", n);
+    if (j != 17)
+      printf(",");
+    int size = m * n;
+    int loop_size = MAX(64 * 64 / size, 2);
+    for (int i = 0; i < loop_size && !failure; ++i)
+    {
+      mzd_t* A = mzd_init(m, n);
+      mzd_t* B = mzd_init(m, n);
+      mzd_randomize(A);
+      mzd_randomize(B);
+      mzd_t* C = mzd_add(NULL, A, B);
+      mzd_t* AT = mzd_init(n, m);
+      mzd_randomize(AT);
+      mzd_transpose(AT, A);
+      mzd_t* BT = mzd_transpose(NULL, B);
+      mzd_t* CT = mzd_add(NULL, AT, BT);
+      mzd_t* CTT = mzd_transpose(NULL, CT);
+      if (!mzd_equal(C, CTT))
+	++failure;
+      mzd_free(A);
+      mzd_free(B);
+      mzd_free(C);
+      mzd_free(AT);
+      mzd_free(BT);
+      mzd_free(CT);
+      mzd_free(CTT);
+    }
+  }
+  printf("  ");
+  if (failure) {
+    printf("FAILED\n");
+  }
+  else
+    printf("passed\n");
+  return failure;
+}
+
+int main()
+{
+  int status = 0;
+
+  int m=3;
+  int n=64;
+
+  mzd_t* A = mzd_init(m, n);
+  mzd_t* B = mzd_init(m, n);
+  mzd_randomize(A);
+  mzd_randomize(B);
+  mzd_t* C = mzd_add(NULL, A, B);
+  mzd_t* AT = mzd_init(n, m);
+  mzd_randomize(AT);
+  mzd_transpose(AT, A);
+  mzd_t* BT = mzd_transpose(NULL, B);
+  mzd_t* CT = mzd_add(NULL, AT, BT);
+  mzd_t* CTT = mzd_transpose(NULL, CT);
+  if (!mzd_equal(C, CTT))
+    ++status;
+  mzd_free(A);
+  mzd_free(B);
+  mzd_free(C);
+  mzd_free(AT);
+  mzd_free(BT);
+  mzd_free(CT);
+  mzd_free(CTT);
+
+
+  /* for (int i = 0; i < 18; ++i) { */
+  /*     status += test_transpose(i); */
+  /* } */
+
+  if (!status) {
+    printf("All tests passed.\n");
+  } else {
+    printf("TEST FAILED!\n");
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/test_trsm.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_trsm.c
new file mode 100644
index 0000000..afa697b
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/test_trsm.c
@@ -0,0 +1,316 @@
+#include <m4ri/config.h>
+#include <stdlib.h>
+#include <m4ri/m4ri.h>
+
+int test_trsm_upper_right (rci_t m, rci_t n, int offset){
+  printf("upper_right:: m: %4d n: %4d offset: %4d ... ", m, n, offset);
+
+  mzd_t* Ubase = mzd_init (2048, 2048);
+  mzd_t* Bbase = mzd_init (2048, 2048);
+  mzd_randomize(Ubase);
+  mzd_randomize(Bbase);
+  mzd_t* Bbasecopy = mzd_copy (NULL, Bbase);
+
+  mzd_t* U = mzd_init_window (Ubase, 0, offset, n, n + offset);
+  mzd_t* B = mzd_init_window (Bbase, 0, offset, m, n + offset);
+  mzd_t* W = mzd_copy (NULL, B);
+
+  for (rci_t i = 0; i < n; ++i){
+    for (rci_t j = 0; j < i; ++j)
+      mzd_write_bit(U,i,j, 0);
+    mzd_write_bit(U,i,i, 1);
+  }
+  mzd_trsm_upper_right (U, B, 2048);
+
+  mzd_addmul(W, B, U, 2048);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit (W,i,j)){
+	status = 1;
+      }
+    }
+
+  // Verifiying that nothing has been changed around the submatrices
+  mzd_addmul(W, B, U, 2048);
+  mzd_copy (B, W);
+
+  for (rci_t i = 0; i < 2048; ++i)
+    for (wi_t j = 0; j < 2048 / m4ri_radix; ++j){
+      if (Bbase->rows[i][j] != Bbasecopy->rows[i][j]){
+	status = 1;
+      }
+    }
+  mzd_free_window (U);
+  mzd_free_window (B);
+  mzd_free (W);
+  mzd_free(Ubase);
+  mzd_free(Bbase);
+  mzd_free(Bbasecopy);
+
+  if (!status)
+    printf("passed\n");
+  else
+    printf("FAILED\n");
+  return status;
+}
+
+int test_trsm_lower_right (rci_t m, rci_t n, int offset){
+  printf("lower_right:: m: %4d n: %4d offset: %4d ... ", m, n, offset);
+  mzd_t* Lbase = mzd_init (2048, 2048);
+  mzd_t* Bbase = mzd_init (2048, 2048);
+  mzd_randomize (Lbase);
+  mzd_randomize (Bbase);
+  mzd_t* Bbasecopy = mzd_copy (NULL, Bbase);
+
+  mzd_t* L = mzd_init_window(Lbase, 0, offset, n, n + offset);
+  mzd_t* B = mzd_init_window (Bbase, 0, offset, m, n + offset);
+  mzd_t* W = mzd_copy (NULL, B);
+
+  for (rci_t i = 0; i < n; ++i){
+    for (rci_t j = i + 1; j < n; ++j)
+      mzd_write_bit(L,i,j, 0);
+    mzd_write_bit(L,i,i, 1);
+  }
+  mzd_trsm_lower_right (L, B, 2048);
+
+  mzd_addmul(W, B, L, 2048);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit (W,i,j)){
+	status = 1;
+      }
+    }
+
+  // Verifiying that nothing has been changed around the submatrices
+  mzd_addmul(W, B, L, 2048);
+  mzd_copy (B, W);
+
+  for (rci_t i = 0; i < 2048; ++i)
+    for (wi_t j = 0; j < 2048 / m4ri_radix; ++j){
+      if (Bbase->rows[i][j] != Bbasecopy->rows[i][j]){
+	status = 1;
+      }
+    }
+  mzd_free_window (L);
+  mzd_free_window (B);
+  mzd_free (W);
+  mzd_free(Lbase);
+  mzd_free(Bbase);
+  mzd_free(Bbasecopy);
+
+  if (!status)
+    printf("passed\n");
+  else
+    printf("FAILED\n");
+  return status;
+}
+
+
+int test_trsm_lower_left (rci_t m, rci_t n, int offsetL, int offsetB){
+  printf("lower_left:: m: %4d n: %4d offset L: %4d offset B: %4d ... ", m, n, offsetL, offsetB);
+  mzd_t* Lbase = mzd_init (2048, 2048);
+  mzd_t* Bbase = mzd_init (2048, 2048);
+  mzd_randomize (Lbase);
+  mzd_randomize (Bbase);
+  mzd_t* Bbasecopy = mzd_copy (NULL, Bbase);
+
+  mzd_t* L = mzd_init_window (Lbase, 0, offsetL, m, m + offsetL);
+  mzd_t* B = mzd_init_window (Bbase, 0, offsetB, m, n + offsetB);
+  mzd_t* W = mzd_copy (NULL, B);
+
+  for (rci_t i = 0; i < m; ++i){
+    for (rci_t j = i + 1; j < m; ++j)
+      mzd_write_bit(L,i,j, 0);
+    mzd_write_bit(L,i,i, 1);
+  }
+  mzd_trsm_lower_left(L, B, 2048);
+  
+  mzd_addmul(W, L, B, 2048);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit (W,i,j)){
+	status = 1;
+      }
+    }
+
+  // Verifiying that nothing has been changed around the submatrices
+  mzd_addmul(W, L, B, 2048);
+
+  mzd_copy (B, W);
+
+  for (rci_t i = 0; i < 2048; ++i)
+    for (wi_t j = 0; j < 2048 / m4ri_radix; ++j){
+      if (Bbase->rows[i][j] != Bbasecopy->rows[i][j]){
+	status = 1;
+      }
+    }
+  mzd_free_window (L);
+  mzd_free_window (B);
+  mzd_free_window (W);
+  mzd_free(Lbase);
+  mzd_free(Bbase);
+  mzd_free(Bbasecopy);
+
+  if (!status)
+    printf(" ... passed\n");
+  else
+    printf(" ... FAILED\n");
+  return status;
+}
+
+
+
+int test_trsm_upper_left (rci_t m, rci_t n, int offsetU, int offsetB) {
+  printf("upper_left:: m: %4d n: %4d offset U: %4d offset B: %4d ... ", m, n, offsetU, offsetB);
+  mzd_t* Ubase = mzd_init (2048, 2048);
+  mzd_t* Bbase = mzd_init (2048, 2048);
+  mzd_randomize (Ubase);
+  mzd_randomize (Bbase);
+  mzd_t* Bbasecopy = mzd_copy (NULL, Bbase);
+
+  mzd_t* U = mzd_init_window (Ubase, 0, offsetU, m, m + offsetU);
+  mzd_t* B = mzd_init_window (Bbase, 0, offsetB, m, n + offsetB);
+  mzd_t* W = mzd_copy (NULL, B);
+
+  for (rci_t i = 0; i < m; ++i){
+    for (rci_t j = 0; j < i; ++j)
+      mzd_write_bit(U,i,j, 0);
+    mzd_write_bit(U,i,i, 1);
+  }    
+  mzd_trsm_upper_left(U, B, 2048);
+  
+  mzd_addmul(W, U, B, 2048);
+
+  int status = 0;
+  for (rci_t i = 0; i < m; ++i)
+    for (rci_t j = 0; j < n; ++j){
+      if (mzd_read_bit (W,i,j)){
+	status = 1;
+      }
+    }
+  // Verifiying that nothing has been changed around the submatrices
+  mzd_addmul(W, U, B, 2048);
+
+  mzd_copy (B, W);
+
+  for (rci_t i = 0; i < 2048; ++i)
+    for (wi_t j = 0; j < 2048 / m4ri_radix; ++j){
+      if (Bbase->rows[i][j] != Bbasecopy->rows[i][j]){
+	status = 1;
+      }
+    }
+  mzd_free_window (U);
+  mzd_free_window (B);
+  mzd_free_window (W);
+  mzd_free(Ubase);
+  mzd_free(Bbase);
+  mzd_free(Bbasecopy);
+
+  if (!status)
+    printf("passed\n");
+  else
+    printf("FAILED\n");
+  return status;
+}
+
+int main() {
+  int status = 0;
+
+  srandom(17);
+
+  status += test_trsm_upper_right(  63,   63,   0);
+  status += test_trsm_upper_right(  64,   64,   0);
+  status += test_trsm_upper_right(  65,   65,   0);
+  status += test_trsm_upper_right(  53,   53,   0);
+  status += test_trsm_upper_right(  54,   54,   0);
+  status += test_trsm_upper_right(  55,   55,   0);
+  status += test_trsm_upper_right(  57,   10,   0);
+  status += test_trsm_upper_right(  57,  150,   0);
+  status += test_trsm_upper_right(  57,    3,   0);
+  status += test_trsm_upper_right(  57,    4,  64);
+  status += test_trsm_upper_right(  57,   80,  64);
+  status += test_trsm_upper_right(1577, 1802, 128);
+
+  printf("\n");
+
+  status += test_trsm_lower_right(  63,   63,   0);
+  status += test_trsm_lower_right(  64,   64,   0);
+  status += test_trsm_lower_right(  65,   65,   0);
+  status += test_trsm_lower_right(  53,   53,   0);
+  status += test_trsm_lower_right(  54,   54,   0);
+  status += test_trsm_lower_right(  55,   55,   0);
+  status += test_trsm_lower_right(  57,   10,   0);
+  status += test_trsm_lower_right(  57,  150,   0);
+  status += test_trsm_lower_right(  57,    3,   0);
+  status += test_trsm_lower_right(  57,    4,  64);
+  status += test_trsm_lower_right(  57,   80,  64);
+  status += test_trsm_lower_right(1577, 1802, 128);
+
+  printf("\n");
+
+  status += test_trsm_lower_left(  63,   63,   0,   0);
+  status += test_trsm_lower_left(  64,   64,   0,   0);
+  status += test_trsm_lower_left(  65,   65,   0,   0);
+  status += test_trsm_lower_left(  53,   53,   0,   0);
+  status += test_trsm_lower_left(  54,   54,   0,   0);
+  status += test_trsm_lower_left(  55,   55,   0,   0);
+  status += test_trsm_lower_left(  10,   20,   0,   0);
+  status += test_trsm_lower_left(  10,   80,   0,   0);
+  status += test_trsm_lower_left(  10,   20,   0,   0);
+  status += test_trsm_lower_left(  10,   80,   0,   0);
+  status += test_trsm_lower_left(  10,   20,   0,   0);
+  status += test_trsm_lower_left(  10,   80,   0,   0);
+  status += test_trsm_lower_left(  10,   20,   0,   0);
+  status += test_trsm_lower_left(  10,   80,   0,   0);
+  status += test_trsm_lower_left(  70,   20,   0,   0);
+  status += test_trsm_lower_left(  70,   80,   0,   0);
+  status += test_trsm_lower_left(  70,   10,   0,   0);
+  status += test_trsm_lower_left(  70,   80,   0,   0);
+  status += test_trsm_lower_left(  70,   20,   0,   0);
+  status += test_trsm_lower_left(  70,   80,   0,   0);
+  status += test_trsm_lower_left(  70,   20,   0,   0);
+  status += test_trsm_lower_left(  70,   80,  64,  64);
+  status += test_trsm_lower_left( 770, 1600,  64, 128);
+  status += test_trsm_lower_left(1764, 1345, 256,  64);
+
+  printf("\n");
+
+  status += test_trsm_upper_left(   63,   63,   0,   0);
+  status += test_trsm_upper_left(   64,   64,   0,   0);
+  status += test_trsm_upper_left(   65,   65,   0,   0);
+  status += test_trsm_upper_left(   53,   53,   0,   0);
+  status += test_trsm_upper_left(   54,   54,   0,   0);
+  status += test_trsm_upper_left(   55,   55,   0,   0);
+  status += test_trsm_upper_left(   10,   20,   0,   0);
+  status += test_trsm_upper_left(   10,   80,   0,   0);
+  status += test_trsm_upper_left(   10,   20,   0,   0);
+  status += test_trsm_upper_left(   10,   80,   0,   0);
+  status += test_trsm_upper_left(   10,   20,   0,   0);
+  status += test_trsm_upper_left(   10,   80,   0,   0);
+  status += test_trsm_upper_left(   10,   20,   0,   0);
+  status += test_trsm_upper_left(   10,   80,   0,   0);
+  status += test_trsm_upper_left(   70,   20,   0,   0);
+  status += test_trsm_upper_left(   63,    1,   0,   0);
+  status += test_trsm_upper_left(   70,   80,   0,   0);
+  status += test_trsm_upper_left(   70,   10,   0,   0);
+  status += test_trsm_upper_left(   70,   80,   0,   0);
+  status += test_trsm_upper_left(   70,   20,   0,   0);
+  status += test_trsm_upper_left(   70,   80,   0,   0);
+  status += test_trsm_upper_left(   70,   20,   0,   0);
+  status += test_trsm_upper_left(   70,   80,  64,  64);
+  status += test_trsm_upper_left(  770, 1600,  64, 128);
+  status += test_trsm_upper_left( 1764, 1345, 256,  64);
+
+  if (!status) {
+    printf("All tests passed.\n");
+    return 0;
+  } else {
+    return -1;
+  }
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.c b/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.c
new file mode 100644
index 0000000..e363f37
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.c
@@ -0,0 +1,42 @@
+#include "testing.h"
+
+mzd_t *mzd_init_test_matrix_random(rci_t M, rci_t N, rci_t m, rci_t n, word pattern, mzd_t **A) {
+  *A = mzd_init(M, N);
+
+  for(rci_t i=0; i<M; i++) {
+    for(rci_t j=0; j<(*A)->width; j++) {
+      (*A)->rows[i][j] = pattern;
+    }
+  }
+
+  mzd_t* a = mzd_init_window(*A, 0, 0, m, n);
+  mzd_randomize(a);
+
+  return a;
+}
+
+void mzd_free_test_matrix_random(mzd_t *A, mzd_t *a) {
+  mzd_free(a);
+  mzd_free(A);
+}
+
+int mzd_check_pattern(mzd_t *A, rci_t m, rci_t n, word pattern) {
+
+  for(rci_t i=0; i<A->nrows; i++) {
+    if (i >= m) {
+      for(rci_t j=0; j<A->width; j++)
+        if(A->rows[i][j] ^ pattern) {
+          return 1;
+        }
+    } else {
+      if ((A->rows[i][n/m4ri_radix] ^ pattern) & ~A->high_bitmask )
+        return 1;
+
+      for(rci_t j=n/m4ri_radix+1; j<A->width; j++)
+        if(A->rows[i][j] ^ pattern) {
+          return 1;
+        }
+    }
+  }
+  return 0;
+}
diff --git a/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.h b/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.h
new file mode 100644
index 0000000..dece77a
--- /dev/null
+++ b/src-light-solver/preprocess/m4ri-20140914/testsuite/testing.h
@@ -0,0 +1,11 @@
+#ifndef TESTING_H
+#define TESTING_H
+
+#include <m4ri/misc.h>
+#include <m4ri/mzd.h>
+
+mzd_t *mzd_init_test_matrix_random(rci_t M, rci_t N, rci_t m, rci_t n, word pattern, mzd_t **A);
+void mzd_free_test_matrix_random(mzd_t *A, mzd_t *a);
+int mzd_check_pattern(mzd_t *A, rci_t m, rci_t n, word pattern);
+
+#endif //TESTING_H
diff --git a/src-light-solver/preprocess/preprocess.cpp b/src-light-solver/preprocess/preprocess.cpp
new file mode 100644
index 0000000..52746a1
--- /dev/null
+++ b/src-light-solver/preprocess/preprocess.cpp
@@ -0,0 +1,227 @@
+#include "preprocess.hpp"
+#include "../utils/parse.hpp"
+
+preprocess::preprocess():
+  vars                  (0),
+  clauses               (0),
+  maxlen                (0)
+{}
+
+void preprocess::preprocess_init() {
+    f = new int[vars + 10];
+    val = new int[vars + 10];
+    color = new int[vars + 10];
+    varval = new int[vars + 10];
+    q = new int[vars + 10];
+    clean = new int[vars + 10];
+    seen = new int[(vars << 1) + 10];
+    abstract = new int[clauses + 10];
+    clause_delete.growTo(clauses+1, 0);
+    nxtc.growTo(clauses+1, 0);
+    occurp = new vec<int>[vars + 1];
+    occurn = new vec<int>[vars + 1]; 
+    for (int i = 1; i <= clauses; i++) {
+        int l = clause[i].size();
+        if (l > maxlen) maxlen = l;
+    }
+    resseen = new int[(vars << 1) + 10];
+    a = new int[maxlen + 1];
+
+    mapval = new int[vars + 10];
+    mapto = new int[vars + 10];
+    for (int i = 1; i <= vars; i++) mapto[i] = i, mapval[i] = 0;
+}
+
+void preprocess::release() {
+    delete []f;
+    delete []val;
+    delete []color;
+    delete []varval;
+    delete []q;
+    delete []clean;
+    delete []seen;
+    clause_delete.clear(true);
+    nxtc.clear(true);
+    delete []resseen;   
+    delete []a;
+    delete []mapfrom; 
+    delete []abstract;
+    for (int i = 0; i <= vars; i++)
+        occurp[i].clear(true), occurn[i].clear(true);
+    delete []occurp;
+    delete []occurn;
+    // delete C;
+}
+
+
+int count = 0;
+void preprocess::update_var_clause_label() {
+    ++count;
+    int remain_var = 0;
+    for (int i = 1; i <= vars; i++) color[i] = 0;
+    for (int i = 1; i <= clauses; i++) {
+        if (clause_delete[i]) {continue;}
+        int l = clause[i].size();
+        for (int j = 0; j < l; j++) {
+            if (color[abs(clause[i][j])] == 0) color[abs(clause[i][j])] = ++remain_var;       
+        }
+    }
+
+    int id = 0;
+    for (int i = 1; i <= clauses; i++) {
+        if (clause_delete[i]) {clause[i].setsize(0); continue;}
+        ++id;
+        int l = clause[i].size();
+        if (i == id) {
+            for (int j = 0; j < l; j++)
+                clause[id][j] = color[abs(clause[i][j])] * pnsign(clause[i][j]);    
+            continue;
+        }
+        clause[id].setsize(0);
+        for (int j = 0; j < l; j++)
+            clause[id].push(color[abs(clause[i][j])] * pnsign(clause[i][j]));
+    }
+    printf("c After preprocess: vars: %d -> %d , clauses: %d -> %d ,\n", vars, remain_var, clauses, id);
+    for (int i = id + 1; i <= clauses; i++) 
+        clause[i].clear(true);
+    for (int i = remain_var + 1; i <= vars; i++)
+        occurp[i].clear(true), occurn[i].clear(true);
+    clause.setsize(id + 1);
+    vars = remain_var, clauses = id;
+}
+
+void preprocess::get_complete_model() {
+    int r = 0;
+    for (int i = 1; i <= orivars; i++) 
+        if (!mapto[i]) {
+            if (!mapval[i]);
+            else if (abs(mapval[i]) != 1) mapval[i] = 0, ++r;
+        }
+    if (r) { 
+        occurp = new vec<int>[orivars + 1];
+        occurn = new vec<int>[orivars + 1];   
+        for (int i = 1; i <= orivars; i++) {
+            occurp[i].clear(), occurn[i].clear();
+        }
+        vec<int> clause_state;
+        clause_state.growTo(res_clauses + 1, 0);
+        for (int i = 1; i <= res_clauses; i++) {
+            int satisify = 0;
+            for (int j = 0; j < res_clause[i].size(); j++) {
+                int v = res_clause[i][j];
+                if (v > 0) occurp[v].push(i);
+                else occurn[-v].push(i);
+                if (pnsign(v) * mapval[abs(v)] == 1) satisify = 1;
+                if (!mapval[abs(v)]) ++clause_state[i];
+            }
+            if (satisify) clause_state[i] = -1;
+        }
+        for (int ii = resolutions; ii >= 1; ii--) {
+            int v = resolution[ii];
+            //attempt 1
+            int assign = 1;
+            for (int i = 0; i < occurn[v].size(); i++) {
+                int o = occurn[v][i];
+                if (clause_state[o] != -1 && clause_state[o] <= 1) {assign = 0; break;}
+            }
+            if (assign == 1) {
+                mapval[v] = 1;
+                for (int i = 0; i < occurn[v].size(); i++) {
+                    int o = occurn[v][i];
+                    if (clause_state[o] != -1) clause_state[o]--;
+                } 
+                for (int i = 0; i < occurp[v].size(); i++) 
+                    clause_state[occurp[v][i]] = -1;
+                continue;
+            }
+            //attempt -1
+            assign = -1;
+            for (int i = 0; i < occurp[v].size(); i++) {
+                int o = occurp[v][i];
+                if (clause_state[o] != -1 && clause_state[o] <= 1) {assign = 0; break;}
+            }
+            if (assign == -1) {
+                mapval[v] = -1;
+                for (int i = 0; i < occurp[v].size(); i++) {
+                    int o = occurp[v][i];
+                    if (clause_state[o] != -1) clause_state[o]--;
+                } 
+                for (int i = 0; i < occurn[v].size(); i++) 
+                    clause_state[occurn[v][i]] = -1;
+                continue;
+            }
+        }
+        clause_state.clear(true);
+        for (int i = 1; i <= orivars; i++) {
+            occurp[i].clear(true), occurn[i].clear(true);
+        }
+        delete []occurp;
+        delete []occurn;
+        res_clause.clear(true);
+        resolution.clear(true);
+    }  
+}
+
+int preprocess::do_preprocess(char* filename) {
+    readfile(filename, &vars, &clauses, clause);
+    orivars = vars;
+    oriclauses = clauses; 
+    preprocess_init();
+    int res = 1;
+    
+    res = preprocess_gauss();
+    if (!res) {
+        printf("c solved by gauss elimination\n");
+        release();
+        return 0;
+    }
+
+    res = preprocess_up();
+    if (!res) {
+        release();
+        delete []mapto;
+        delete []mapval;
+        clause.clear(true);
+        return 0;
+    }
+
+
+    if (vars <= 1e5 && clauses <= 1e6) {
+        res = preprocess_card();
+        if (!res) {
+            printf("c solved by card elimination\n");
+            release();
+            delete []mapto;
+            delete []mapval;
+            clause.clear(true);
+            res_clause.clear(true);
+            resolution.clear(true);
+            return 0;        
+        }
+    }
+    res = preprocess_resolution();
+    if (!res) {
+        release();
+        delete []mapto;
+        delete []mapval;
+        clause.clear(true);
+        res_clause.clear(true);
+        resolution.clear(true);
+        return 0;
+    }
+
+
+    res = preprocess_binary();
+    if (!res) {
+        release();
+        delete []mapto;
+        delete []mapval;
+        clause.clear(true);
+        res_clause.clear(true);
+        resolution.clear(true);
+        return 0;
+    }
+    
+    release();
+    return 1;
+}
diff --git a/src-light-solver/preprocess/preprocess.hpp b/src-light-solver/preprocess/preprocess.hpp
new file mode 100644
index 0000000..62374fa
--- /dev/null
+++ b/src-light-solver/preprocess/preprocess.hpp
@@ -0,0 +1,92 @@
+#ifndef _preprocess_hpp_INCLUDED
+#define _preprocess_hpp_INCLUDED
+
+#include "../utils/hashmap.hpp"
+#include "../utils/vec.hpp"
+
+typedef long long ll;
+
+#define mapv(a, b) (1ll * (a) * nlit + (ll)(b))
+
+inline int pnsign(int x) {
+    return (x > 0 ? 1 : -1);
+}
+inline int sign(int x) {
+    return x & 1 ? -1 : 1;
+}
+inline int tolit(int x) {
+    return x > 0 ? ((x - 1) << 1) : ((-x - 1) << 1 | 1);
+}
+inline int negative(int x) {
+    return x ^ 1;
+}
+inline int toiidx(int x) {
+    return (x >> 1) + 1;
+}
+inline int toeidx(int x) {
+    return (x & 1 ? -toiidx(x) : toiidx(x));
+}
+
+struct xorgate {
+    xorgate(int _c, int _rhs, int _sz) {
+        c = _c, rhs = _rhs, sz = _sz;
+    }
+public:
+    int c;
+    int rhs;
+    int sz;
+};
+
+struct preprocess {
+public:   
+    preprocess();
+    int vars;
+    int clauses;
+    vec<vec<int>> clause, res_clause;
+    // void readfile(const char *file);
+    void write_cnf();
+    void release();
+    
+    int maxlen, orivars, oriclauses, res_clauses, resolutions;
+    int *f, nlit, *a, *val, *color, *varval, *q, *seen, *resseen, *clean, *mapto, *mapfrom, *mapval;
+    // HashMap* C;
+    vec<int> *occurp, *occurn, clause_delete, nxtc, resolution;
+    
+    int find(int x);    
+    bool res_is_empty(int var);
+    void update_var_clause_label();
+    void preprocess_init();
+    bool preprocess_resolution();
+    bool preprocess_binary();
+    bool preprocess_up();
+    void get_complete_model();
+    int  do_preprocess(char* filename);
+
+    vec<vec<int>> card_one;
+    vec<vec<double>> mat;
+    vec<int> *occur;
+    vec<int> cdel;
+    int  check_card(int id);
+    int  preprocess_card();
+    int  search_almost_one();    
+    int  card_elimination();
+    int  scc_almost_one();
+    void upd_occur(int v, int s);
+
+    int *abstract;
+    int gauss_eli_unit;
+    int gauss_eli_binary;
+    vec<xorgate> xors;
+    vec<int> scc_id;
+    vec<vec<int>> scc;
+    vec<vec<int>> xor_scc;
+    bool preprocess_gauss();
+    int  search_xors();
+    int  cal_dup_val(int i);
+    int  ecc_var();
+    int  ecc_xor();
+    int  gauss_elimination();
+};
+
+
+#endif
\ No newline at end of file
diff --git a/src-light-solver/preprocess/preprocess.o b/src-light-solver/preprocess/preprocess.o
new file mode 100644
index 0000000..2ff0731
Binary files /dev/null and b/src-light-solver/preprocess/preprocess.o differ
diff --git a/src-light-solver/preprocess/propagation.cpp b/src-light-solver/preprocess/propagation.cpp
new file mode 100644
index 0000000..d693bd3
--- /dev/null
+++ b/src-light-solver/preprocess/propagation.cpp
@@ -0,0 +1,114 @@
+#include "preprocess.hpp"
+
+bool preprocess::preprocess_up() {
+    for (int i = 1; i <= vars; i++) {
+        varval[i] = 0;
+        occurp[i].clear();
+        occurn[i].clear();
+        resseen[(i - 1) << 1] = resseen[(i - 1) << 1 | 1] = 0;
+    }
+    for (int i = 1; i <= clauses; i++) clause_delete[i] = 0;
+    int head = 1, tail = 0;
+    for (int i = 1; i <= clauses; i++) {
+        int l = clause[i].size(), t = 0;
+        for (int j = 0; j < l; j++) {
+            int lit = tolit(clause[i][j]);
+            if (resseen[lit] == i) continue;
+            if (resseen[negative(lit)] == i) {clause_delete[i] = 1; break;}
+            clause[i][t++] = clause[i][j];
+            resseen[lit] = i;
+        }
+        if (clause_delete[i]) continue;
+        clause[i].setsize(t);
+        for (int j = 0; j < t; j++) 
+            if (clause[i][j] > 0) occurp[clause[i][j]].push(i);
+            else occurn[-clause[i][j]].push(i);
+        if (t == 0) return false;
+        if (t == 1) {
+            int lit = clause[i][0];
+            clause_delete[i] = 1;
+            if (varval[abs(lit)]) {
+                if (varval[abs(lit)] == pnsign(lit)) continue;
+                else return false;
+            }
+            varval[abs(lit)] = pnsign(lit); 
+            q[++tail] = abs(lit); 
+        }
+    }
+    for (int i = 1; i <= vars + vars; i++) resseen[i] = 0;
+    while (head <= tail) {
+        int x = q[head++];
+        if (varval[x] == 1) {
+            for (int i = 0; i < occurp[x].size(); i++)
+                clause_delete[occurp[x][i]] = 1;
+            for (int i = 0; i < occurn[x].size(); i++) {
+                int o = occurn[x][i], t = 0;
+                if (clause_delete[o]) continue;
+                for (int j = 0; j < clause[o].size(); j++) {
+                    if (varval[abs(clause[o][j])] == pnsign(clause[o][j])) {
+                        clause_delete[o] = 1; break;
+                    }
+                    if (varval[abs(clause[o][j])] == -pnsign(clause[o][j])) continue;
+                    clause[o][t++] = clause[o][j];
+                }
+                if (clause_delete[o]) continue;
+                clause[o].setsize(t);
+                if (t == 0) return false;
+                if (t == 1) {
+                    int lit = clause[o][0];
+                    clause_delete[o] = 1;
+                    if (varval[abs(lit)]) {
+                        if (varval[abs(lit)] == pnsign(lit)) continue;
+                        else return false;
+                    }
+                    varval[abs(lit)] = pnsign(lit); 
+                    q[++tail] = abs(lit); 
+                }
+            }
+        }
+        else {
+            for (int i = 0; i < occurn[x].size(); i++)
+                clause_delete[occurn[x][i]] = 1;
+            for (int i = 0; i < occurp[x].size(); i++) {
+                int o = occurp[x][i], t = 0;
+                if (clause_delete[o]) continue;
+                for (int j = 0; j < clause[o].size(); j++) {
+                    if (varval[abs(clause[o][j])] == pnsign(clause[o][j])) {
+                        clause_delete[o] = 1; break;
+                    }
+                    if (varval[abs(clause[o][j])] == -pnsign(clause[o][j])) continue;
+                    clause[o][t++] = clause[o][j];
+                }
+                if (clause_delete[o]) continue;
+                clause[o].setsize(t);
+                if (t == 0) return false;
+                if (t == 1) {
+                    int lit = clause[o][0];
+                    clause_delete[o] = 1;
+                    if (varval[abs(lit)]) {
+                        if (varval[abs(lit)] == pnsign(lit)) continue;
+                        else return false;
+                    }
+                    varval[abs(lit)] = pnsign(lit); 
+                    q[++tail] = abs(lit); 
+                }
+            }
+        }
+    }
+    update_var_clause_label();
+    for (int i = 1; i <= tail; i++) {
+        int v = q[i];
+        mapval[v] = varval[v];
+    }
+    mapfrom = new int[vars + 1];
+    for (int i = 1; i <= vars; i++) mapfrom[i] = 0;
+    for (int i = 1; i <= orivars; i++) {
+        if (color[i])
+            mapto[i] = color[i], mapfrom[color[i]] = i;
+        else if (!mapval[i]) // not in unit queue, then it is no use var
+            mapto[i] = 0, mapval[i] = 1;
+        else
+            mapto[i] = 0;
+    }
+    return true;
+}
\ No newline at end of file
diff --git a/src-light-solver/preprocess/propagation.o b/src-light-solver/preprocess/propagation.o
new file mode 100644
index 0000000..f5cccfd
Binary files /dev/null and b/src-light-solver/preprocess/propagation.o differ
diff --git a/src-light-solver/preprocess/resolution.cpp b/src-light-solver/preprocess/resolution.cpp
new file mode 100644
index 0000000..8a762f8
--- /dev/null
+++ b/src-light-solver/preprocess/resolution.cpp
@@ -0,0 +1,127 @@
+#include "preprocess.hpp"
+
+bool preprocess::res_is_empty(int x) {
+    int op = occurp[x].size(), on = occurn[x].size();
+    for (int i = 0; i < op; i++) {
+        int o1 = occurp[x][i], l1 = clause[o1].size();
+        if (clause_delete[o1]) continue;
+        for (int j = 0; j < l1; j++)
+            if (abs(clause[o1][j]) != x) resseen[abs(clause[o1][j])] = pnsign(clause[o1][j]);
+        for (int j = 0; j < on; j++) {
+            int o2 = occurn[x][j], l2 = clause[o2].size(), flag = 0;
+            if (clause_delete[o2]) continue;
+            for (int k = 0; k < l2; k++)
+                if (abs(clause[o2][k]) != x && resseen[abs(clause[o2][k])] == -pnsign(clause[o2][k])) {
+                    flag = 1; break;
+                }
+            if (!flag) {
+                for (int j = 0; j < l1; j++)
+                    resseen[abs(clause[o1][j])] = 0;
+                return false;
+            }
+        }
+        for (int j = 0; j < l1; j++)
+            resseen[abs(clause[o1][j])] = 0;
+    }
+    return true; 
+}
+
+bool preprocess::preprocess_resolution() {    
+    for (int i = 1; i <= vars; i++) {
+        occurn[i].clear();
+        occurp[i].clear();
+        resseen[i]= clean[i] = seen[i] = 0;
+    }
+    for (int i = 1; i <= clauses; i++) {
+        int l = clause[i].size();
+        clause_delete[i] = 0;
+        for (int j = 0; j < l; j++) {
+            if (clause[i][j] > 0) occurp[abs(clause[i][j])].push(i);
+            else occurn[abs(clause[i][j])].push(i);
+        }
+    }
+    for (int i = 1; i <= vars; i++)
+        if (occurn[i].size() == 0 && occurp[i].size() == 0) clean[i] = 1;  
+
+    int l = 1, r = 0;         
+    for (int i = 1; i <= vars; i++) {
+        int op = occurp[i].size(), on = occurn[i].size();
+        if (op * on > op + on || clean[i]) continue;
+        if (res_is_empty(i)) {
+            q[++r] = i, clean[i] = 1;
+        }
+    }
+
+    int now_turn = 0, seen_flag = 0;
+    vec<int> vars;
+    while (l <= r) {
+        ++now_turn;
+        for (int j = l; j <= r; j++) {
+            int i = q[j];
+            int op = occurp[i].size(), on = occurn[i].size();
+            for (int j = 0; j < op; j++) clause_delete[occurp[i][j]] = 1;
+            for (int j = 0; j < on; j++) clause_delete[occurn[i][j]] = 1;
+        }
+        int ll = l; l = r + 1;
+        
+        vars.clear();
+        ++seen_flag;
+        for (int u = ll; u <= r; u++) {
+            int i = q[u];
+            int op = occurp[i].size(), on = occurn[i].size();
+            for (int j = 0; j < op; j++) {
+                int o = occurp[i][j], l = clause[o].size();
+                for (int k = 0; k < l; k++) {
+                    int v = abs(clause[o][k]);
+                    if (!clean[v] && seen[v] != seen_flag)
+                        vars.push(v), seen[v] = seen_flag;
+                }
+            }
+            for (int j = 0; j < on; j++) {
+                int o = occurn[i][j], l = clause[o].size();
+                for (int k = 0; k < l; k++) {
+                    int v = abs(clause[o][k]);
+                    if (!clean[v] && seen[v] != seen_flag)
+                        vars.push(v), seen[v] = seen_flag;
+                }
+            }
+        }
+        for (int u = 0; u < vars.size(); u++) {
+            int i = vars[u];
+            int op = 0, on = 0;
+            for (int j = 0; j < occurp[i].size(); j++) op += 1 - clause_delete[occurp[i][j]];
+            for (int j = 0; j < occurn[i].size(); j++) on += 1 - clause_delete[occurn[i][j]];
+            if (op * on > op + on) continue;
+            if (res_is_empty(i)) {
+                q[++r] = i, clean[i] = 1;
+            }
+        }
+    }
+    vars.clear(true);
+    if (!r) return true;
+    res_clauses = 0;
+    res_clause.push();
+    for (int i = 1; i <= clauses; i++) {
+        if (!clause_delete[i]) continue;
+        ++res_clauses;
+        res_clause.push();
+        int l = clause[i].size();
+        for (int j = 0; j < l; j++) {
+            res_clause[res_clauses].push(pnsign(clause[i][j]) * mapfrom[abs(clause[i][j])]);
+        }
+    }
+    resolutions = r;
+    resolution.push();
+    for (int i = 1; i <= r; i++) {
+        int v = mapfrom[q[i]];
+        resolution.push(v);
+        mapto[v] = 0, mapval[v] = -10;
+    }
+    update_var_clause_label();
+    for (int i = 1; i <= orivars; i++) {
+        if (mapto[i]) {
+            mapto[i] = color[mapto[i]];
+        }
+    }
+    return true;
+}
\ No newline at end of file
diff --git a/src-light-solver/preprocess/resolution.o b/src-light-solver/preprocess/resolution.o
new file mode 100644
index 0000000..18e32c6
Binary files /dev/null and b/src-light-solver/preprocess/resolution.o differ
diff --git a/solve.cpp b/src-light-solver/solve.cpp
similarity index 97%
rename from solve.cpp
rename to src-light-solver/solve.cpp
index bba7e0f..7e62038 100644
--- a/solve.cpp
+++ b/src-light-solver/solve.cpp
@@ -126,12 +126,12 @@ void light::terminate_workers() {
 void light::parse_input() {
     pthread_t *ptr = new pthread_t[OPT(threads)];
     for (int i = 0; i < OPT(threads); i++) {
-      pthread_create(&ptr[i], NULL, read_worker, workers[i]);
-   }   
-   for (int i = 0; i < OPT(threads); i++) {
-      pthread_join(ptr[i], NULL);
-   }    
-   delete []ptr;
+        pthread_create(&ptr[i], NULL, read_worker, workers[i]);
+    }   
+    for (int i = 0; i < OPT(threads); i++) {
+        pthread_join(ptr[i], NULL);
+    }
+    delete []ptr;
 }
 
 int light::solve() {
diff --git a/solve.hpp b/src-light-solver/solve.hpp
similarity index 100%
rename from solve.hpp
rename to src-light-solver/solve.hpp
diff --git a/src-light-solver/utils/check-sat b/src-light-solver/utils/check-sat
new file mode 100755
index 0000000..ee43c17
Binary files /dev/null and b/src-light-solver/utils/check-sat differ
diff --git a/src-light-solver/utils/cmdline.h b/src-light-solver/utils/cmdline.h
new file mode 100644
index 0000000..7d22a8d
--- /dev/null
+++ b/src-light-solver/utils/cmdline.h
@@ -0,0 +1,809 @@
+/*
+  Copyright (c) 2009, Hideyuki Tanaka
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+  * Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+  * Neither the name of the <organization> nor the
+  names of its contributors may be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
+  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#pragma once
+
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <map>
+#include <string>
+#include <stdexcept>
+#include <typeinfo>
+#include <cstring>
+#include <algorithm>
+#include <cxxabi.h>
+#include <cstdlib>
+
+namespace cmdline{
+
+namespace detail{
+
+template <typename Target, typename Source, bool Same>
+class lexical_cast_t{
+public:
+  static Target cast(const Source &arg){
+    Target ret;
+    std::stringstream ss;
+    if (!(ss<<arg && ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    
+    return ret;
+  }
+};
+
+template <typename Target, typename Source>
+class lexical_cast_t<Target, Source, true>{
+public:
+  static Target cast(const Source &arg){
+    return arg;
+  }  
+};
+
+template <typename Source>
+class lexical_cast_t<std::string, Source, false>{
+public:
+  static std::string cast(const Source &arg){
+    std::ostringstream ss;
+    ss<<arg;
+    return ss.str();
+  }
+};
+
+template <typename Target>
+class lexical_cast_t<Target, std::string, false>{
+public:
+  static Target cast(const std::string &arg){
+    Target ret;
+    std::istringstream ss(arg);
+    if (!(ss>>ret && ss.eof()))
+      throw std::bad_cast();
+    return ret;
+  }
+};
+
+template <typename T1, typename T2>
+struct is_same {
+  static const bool value = false;
+};
+
+template <typename T>
+struct is_same<T, T>{
+  static const bool value = true;
+};
+
+template<typename Target, typename Source>
+Target lexical_cast(const Source &arg)
+{
+  return lexical_cast_t<Target, Source, detail::is_same<Target, Source>::value>::cast(arg);
+}
+
+static inline std::string demangle(const std::string &name)
+{
+  int status=0;
+  char *p=abi::__cxa_demangle(name.c_str(), 0, 0, &status);
+  std::string ret(p);
+  free(p);
+  return ret;
+}
+
+template <class T>
+std::string readable_typename()
+{
+  return demangle(typeid(T).name());
+}
+
+template <class T>
+std::string default_value(T def)
+{
+  return detail::lexical_cast<std::string>(def);
+}
+
+template <>
+inline std::string readable_typename<std::string>()
+{
+  return "string";
+}
+
+} // detail
+
+//-----
+
+class cmdline_error : public std::exception {
+public:
+  cmdline_error(const std::string &msg): msg(msg){}
+  ~cmdline_error() throw() {}
+  const char *what() const throw() { return msg.c_str(); }
+private:
+  std::string msg;
+};
+
+template <class T>
+struct default_reader{
+  T operator()(const std::string &str){
+    return detail::lexical_cast<T>(str);
+  }
+};
+
+template <class T>
+struct range_reader{
+  range_reader(const T &low, const T &high): low(low), high(high) {}
+  T operator()(const std::string &s) const {
+    T ret=default_reader<T>()(s);
+    if (!(ret>=low && ret<=high)) throw cmdline::cmdline_error("range_error");
+    return ret;
+  }
+private:
+  T low, high;
+};
+
+template <class T>
+range_reader<T> range(const T &low, const T &high)
+{
+  return range_reader<T>(low, high);
+}
+
+template <class T>
+struct oneof_reader{
+  T operator()(const std::string &s){
+    T ret=default_reader<T>()(s);
+    if (std::find(alt.begin(), alt.end(), ret)==alt.end())
+      throw cmdline_error("");
+    return ret;
+  }
+  void add(const T &v){ alt.push_back(v); }
+private:
+  std::vector<T> alt;
+};
+
+template <class T>
+oneof_reader<T> oneof(T a1)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  return ret;
+}
+
+template <class T>
+oneof_reader<T> oneof(T a1, T a2, T a3, T a4, T a5, T a6, T a7, T a8, T a9, T a10)
+{
+  oneof_reader<T> ret;
+  ret.add(a1);
+  ret.add(a2);
+  ret.add(a3);
+  ret.add(a4);
+  ret.add(a5);
+  ret.add(a6);
+  ret.add(a7);
+  ret.add(a8);
+  ret.add(a9);
+  ret.add(a10);
+  return ret;
+}
+
+//-----
+
+class parser{
+public:
+  parser(){
+  }
+  ~parser(){
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      delete p->second;
+  }
+
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc=""){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_without_value(name, short_name, desc);
+    ordered.push_back(options[name]);
+  }
+
+  template <class T>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T()){
+    add(name, short_name, desc, need, def, default_reader<T>());
+  }
+
+  template <class T, class F>
+  void add(const std::string &name,
+           char short_name=0,
+           const std::string &desc="",
+           bool need=true,
+           const T def=T(),
+           F reader=F()){
+    if (options.count(name)) throw cmdline_error("multiple definition: "+name);
+    options[name]=new option_with_value_with_reader<T, F>(name, short_name, need, def, desc, reader);
+    ordered.push_back(options[name]);
+  }
+
+  void footer(const std::string &f){
+    ftr=f;
+  }
+
+  void set_program_name(const std::string &name){
+    prog_name=name;
+  }
+
+  bool exist(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    return options.find(name)->second->has_set();
+  }
+
+  template <class T>
+  const T &get(const std::string &name) const {
+    if (options.count(name)==0) throw cmdline_error("there is no flag: --"+name);
+    const option_with_value<T> *p=dynamic_cast<const option_with_value<T>*>(options.find(name)->second);
+    if (p==NULL) throw cmdline_error("type mismatch flag '"+name+"'");
+    return p->get();
+  }
+
+  const std::vector<std::string> &rest() const {
+    return others;
+  }
+
+  bool parse(const std::string &arg){
+    std::vector<std::string> args;
+
+    std::string buf;
+    bool in_quote=false;
+    for (std::string::size_type i=0; i<arg.length(); i++){
+      if (arg[i]=='\"'){
+        in_quote=!in_quote;
+        continue;
+      }
+
+      if (arg[i]==' ' && !in_quote){
+        args.push_back(buf);
+        buf="";
+        continue;
+      }
+
+      if (arg[i]=='\\'){
+        i++;
+        if (i>=arg.length()){
+          errors.push_back("unexpected occurrence of '\\' at end of string");
+          return false;
+        }
+      }
+
+      buf+=arg[i];
+    }
+
+    if (in_quote){
+      errors.push_back("quote is not closed");
+      return false;
+    }
+
+    if (buf.length()>0)
+      args.push_back(buf);
+
+    for (size_t i=0; i<args.size(); i++)
+      std::cout<<"\""<<args[i]<<"\""<<std::endl;
+
+    return parse(args);
+  }
+
+  bool parse(const std::vector<std::string> &args){
+    int argc=static_cast<int>(args.size());
+    std::vector<const char*> argv(argc);
+
+    for (int i=0; i<argc; i++)
+      argv[i]=args[i].c_str();
+
+    return parse(argc, &argv[0]);
+  }
+
+  bool parse(int argc, const char * const argv[]){
+    errors.clear();
+    others.clear();
+
+    if (argc<1){
+      errors.push_back("argument number must be longer than 0");
+      return false;
+    }
+    if (prog_name=="")
+      prog_name=argv[0];
+
+    std::map<char, std::string> lookup;
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++){
+      if (p->first.length()==0) continue;
+      char initial=p->second->short_name();
+      if (initial){
+        if (lookup.count(initial)>0){
+          lookup[initial]="";
+          errors.push_back(std::string("short option '")+initial+"' is ambiguous");
+          return false;
+        }
+        else lookup[initial]=p->first;
+      }
+    }
+
+    for (int i=1; i<argc; i++){
+      if (strncmp(argv[i], "--", 2)==0){
+        const char *p=strchr(argv[i]+2, '=');
+        if (p){
+          std::string name(argv[i]+2, p);
+          std::string val(p+1);
+          set_option(name, val);
+        }
+        else{
+          std::string name(argv[i]+2);
+          if (options.count(name)==0){
+            errors.push_back("undefined option: --"+name);
+            continue;
+          }
+          if (options[name]->has_value()){
+            if (i+1>=argc){
+              errors.push_back("option needs value: --"+name);
+              continue;
+            }
+            else{
+              i++;
+              set_option(name, argv[i]);
+            }
+          }
+          else{
+            set_option(name);
+          }
+        }
+      }
+      else if (strncmp(argv[i], "-", 1)==0){
+        if (!argv[i][1]) continue;
+        char last=argv[i][1];
+        for (int j=2; argv[i][j]; j++){
+          last=argv[i][j];
+          if (lookup.count(argv[i][j-1])==0){
+            errors.push_back(std::string("undefined short option: -")+argv[i][j-1]);
+            continue;
+          }
+          if (lookup[argv[i][j-1]]==""){
+            errors.push_back(std::string("ambiguous short option: -")+argv[i][j-1]);
+            continue;
+          }
+          set_option(lookup[argv[i][j-1]]);
+        }
+
+        if (lookup.count(last)==0){
+          errors.push_back(std::string("undefined short option: -")+last);
+          continue;
+        }
+        if (lookup[last]==""){
+          errors.push_back(std::string("ambiguous short option: -")+last);
+          continue;
+        }
+
+        if (i+1<argc && options[lookup[last]]->has_value()){
+          set_option(lookup[last], argv[i+1]);
+          i++;
+        }
+        else{
+          set_option(lookup[last]);
+        }
+      }
+      else{
+        others.push_back(argv[i]);
+      }
+    }
+
+    for (std::map<std::string, option_base*>::iterator p=options.begin();
+         p!=options.end(); p++)
+      if (!p->second->valid())
+        errors.push_back("need option: --"+std::string(p->first));
+
+    return errors.size()==0;
+  }
+
+  void parse_check(const std::string &arg){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(0, parse(arg));
+  }
+
+  void parse_check(const std::vector<std::string> &args){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(args.size(), parse(args));
+  }
+
+  void parse_check(int argc, char *argv[]){
+    if (!options.count("help"))
+      add("help", '?', "print this message");
+    check(argc, parse(argc, argv));
+  }
+
+  std::string error() const{
+    return errors.size()>0?errors[0]:"";
+  }
+
+  std::string error_full() const{
+    std::ostringstream oss;
+    for (size_t i=0; i<errors.size(); i++)
+      oss<<errors[i]<<std::endl;
+    return oss.str();
+  }
+
+  std::string usage() const {
+    std::ostringstream oss;
+    oss<<"usage: "<<prog_name<<" ";
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->must())
+        oss<<ordered[i]->short_description()<<" ";
+    }
+    
+    oss<<"[options] ... "<<ftr<<std::endl;
+    oss<<"options:"<<std::endl;
+
+    size_t max_width=0;
+    for (size_t i=0; i<ordered.size(); i++){
+      max_width=std::max(max_width, ordered[i]->name().length());
+    }
+    for (size_t i=0; i<ordered.size(); i++){
+      if (ordered[i]->short_name()){
+        oss<<"  -"<<ordered[i]->short_name()<<", ";
+      }
+      else{
+        oss<<"      ";
+      }
+
+      oss<<"--"<<ordered[i]->name();
+      for (size_t j=ordered[i]->name().length(); j<max_width+4; j++)
+        oss<<' ';
+      oss<<ordered[i]->description()<<std::endl;
+    }
+    return oss.str();
+  }
+
+private:
+
+  void check(int argc, bool ok){
+    if ((argc==1 && !ok) || exist("help")){
+      std::cerr<<usage();
+      exit(0);
+    }
+
+    if (!ok){
+      std::cerr<<error()<<std::endl<<usage();
+      exit(1);
+    }
+  }
+
+  void set_option(const std::string &name){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set()){
+      errors.push_back("option needs value: --"+name);
+      return;
+    }
+  }
+
+  void set_option(const std::string &name, const std::string &value){
+    if (options.count(name)==0){
+      errors.push_back("undefined option: --"+name);
+      return;
+    }
+    if (!options[name]->set(value)){
+      errors.push_back("option value is invalid: --"+name+"="+value);
+      return;
+    }
+  }
+
+  class option_base{
+  public:
+    virtual ~option_base(){}
+
+    virtual bool has_value() const=0;
+    virtual bool set()=0;
+    virtual bool set(const std::string &value)=0;
+    virtual bool has_set() const=0;
+    virtual bool valid() const=0;
+    virtual bool must() const=0;
+
+    virtual const std::string &name() const=0;
+    virtual char short_name() const=0;
+    virtual const std::string &description() const=0;
+    virtual std::string short_description() const=0;
+  };
+
+  class option_without_value : public option_base {
+  public:
+    option_without_value(const std::string &name,
+                         char short_name,
+                         const std::string &desc)
+      :nam(name), snam(short_name), desc(desc), has(false){
+    }
+    ~option_without_value(){}
+
+    bool has_value() const { return false; }
+
+    bool set(){
+      has=true;
+      return true;
+    }
+
+    bool set(const std::string &){
+      return false;
+    }
+
+    bool has_set() const {
+      return has;
+    }
+
+    bool valid() const{
+      return true;
+    }
+
+    bool must() const{
+      return false;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam;
+    }
+
+  private:
+    std::string nam;
+    char snam;
+    std::string desc;
+    bool has;
+  };
+
+  template <class T>
+  class option_with_value : public option_base {
+  public:
+    option_with_value(const std::string &name,
+                      char short_name,
+                      bool need,
+                      const T &def,
+                      const std::string &desc)
+      : nam(name), snam(short_name), need(need), has(false)
+      , def(def), actual(def) {
+      this->desc=full_description(desc);
+    }
+    ~option_with_value(){}
+
+    const T &get() const {
+      return actual;
+    }
+
+    bool has_value() const { return true; }
+
+    bool set(){
+      return false;
+    }
+
+    bool set(const std::string &value){
+      try{
+        actual=read(value);
+        has=true;
+      }
+      catch(const std::exception &e){
+        return false;
+      }
+      return true;
+    }
+
+    bool has_set() const{
+      return has;
+    }
+
+    bool valid() const{
+      if (need && !has) return false;
+      return true;
+    }
+
+    bool must() const{
+      return need;
+    }
+
+    const std::string &name() const{
+      return nam;
+    }
+
+    char short_name() const{
+      return snam;
+    }
+
+    const std::string &description() const {
+      return desc;
+    }
+
+    std::string short_description() const{
+      return "--"+nam+"="+detail::readable_typename<T>();
+    }
+
+  protected:
+    std::string full_description(const std::string &desc){
+      return
+        desc+" ("+detail::readable_typename<T>()+
+        (need?"":" [="+detail::default_value<T>(def)+"]")
+        +")";
+    }
+
+    virtual T read(const std::string &s)=0;
+
+    std::string nam;
+    char snam;
+    bool need;
+    std::string desc;
+
+    bool has;
+    T def;
+    T actual;
+  };
+
+  template <class T, class F>
+  class option_with_value_with_reader : public option_with_value<T> {
+  public:
+    option_with_value_with_reader(const std::string &name,
+                                  char short_name,
+                                  bool need,
+                                  const T def,
+                                  const std::string &desc,
+                                  F reader)
+      : option_with_value<T>(name, short_name, need, def, desc), reader(reader){
+    }
+
+  private:
+    T read(const std::string &s){
+      return reader(s);
+    }
+
+    F reader;
+  };
+
+  std::map<std::string, option_base*> options;
+  std::vector<option_base*> ordered;
+  std::string ftr;
+
+  std::string prog_name;
+  std::vector<std::string> others;
+
+  std::vector<std::string> errors;
+};
+
+} // cmdline
\ No newline at end of file
diff --git a/src-light-solver/utils/hashmap.cpp b/src-light-solver/utils/hashmap.cpp
new file mode 100644
index 0000000..ba959f0
--- /dev/null
+++ b/src-light-solver/utils/hashmap.cpp
@@ -0,0 +1,82 @@
+#include "hashmap.hpp"
+#include <stdio.h>
+#include <stdlib.h>
+
+
+HashMap::HashMap(int sz) {
+    size = sz;
+    table = new HashNode*[sz];
+    for (int i = 0; i < sz; i++) table[i] = NULL;
+}
+
+int HashMap::get(ll key, int vsign) {
+    int pos = 1ll * key % size;
+    HashNode *pointer = table[pos];
+    while (pointer != NULL) {
+        if (pointer->data.key == key)
+            return pointer->data.val;
+        else
+            pointer = pointer->next;
+    }
+    return vsign;
+}
+
+void HashMap::erase(ll key) {
+    int pos = 1ll * key % size;
+    HashNode *pointer = table[pos];
+    if (pointer == NULL) return;
+    if (pointer->data.key == key) {
+        table[pos] = pointer->next;
+        delete pointer;
+        return;
+    }
+    HashNode *prev = pointer;
+    pointer = pointer->next;
+    while (pointer != NULL) {
+        if (pointer->data.key == key) {
+            prev->next = pointer->next;
+            delete pointer;
+            return;
+        }
+        prev = pointer;
+        pointer = pointer->next;    
+    };
+}
+
+void HashMap::insert(ll key, int value) {
+    HashNode *hnode = new HashNode();
+    hnode->data.key = key;
+    hnode->data.val = value;
+    hnode->next = NULL;
+
+    int pos = 1ll * key % size;
+    if (table[pos] == NULL) {
+        table[pos] = hnode;
+        return;
+    }
+    HashNode *pointer = table[pos];
+    HashNode *prev = pointer;
+    while (pointer != NULL) {
+        if (pointer->data.key == key) {
+            pointer->data.val = value;
+            delete hnode;
+            return;
+        } 
+        prev = pointer;
+        pointer = pointer->next; 
+    } 
+    prev->next = hnode;
+}
+
+HashMap::~HashMap(){
+    for (int i = 0; i < size; i++) {
+        HashNode *pointer = table[i];
+        HashNode *prev = pointer;
+        while (pointer != NULL){    
+            prev = pointer;
+            pointer = pointer->next;
+            delete prev;
+        }
+    }
+    delete []table;
+}
\ No newline at end of file
diff --git a/src-light-solver/utils/hashmap.hpp b/src-light-solver/utils/hashmap.hpp
new file mode 100644
index 0000000..0ef90d6
--- /dev/null
+++ b/src-light-solver/utils/hashmap.hpp
@@ -0,0 +1,26 @@
+#ifndef _hashmap_hpp_INCLUDED
+#define _hashmap_hpp_INCLUDED
+typedef long long ll;
+
+struct DataType{
+	ll key;  
+	int val;  
+};
+
+struct HashNode{
+	DataType data;
+	struct HashNode *next; 
+};
+
+struct HashMap{
+	int size;
+	HashNode **table;
+	HashMap(int size = 10000007);
+	~HashMap();
+	int  get(ll key, int vsign);
+	void erase(ll key);
+	void insert(ll key, int value);
+};
+
+
+#endif
\ No newline at end of file
diff --git a/src-light-solver/utils/hashmap.o b/src-light-solver/utils/hashmap.o
new file mode 100644
index 0000000..bbde904
Binary files /dev/null and b/src-light-solver/utils/hashmap.o differ
diff --git a/src-light-solver/utils/paras.cpp b/src-light-solver/utils/paras.cpp
new file mode 100644
index 0000000..377cb9e
--- /dev/null
+++ b/src-light-solver/utils/paras.cpp
@@ -0,0 +1,64 @@
+#include "paras.hpp"
+#include <cstdio>
+#include <iostream>
+#include <string>
+ 
+void paras::init_paras() {
+#define PARA(N, T, D, L, H, C) \
+    if (!strcmp(#T, "int")) map_int[#N] = D; \
+    else map_double[#N] = D; 
+    PARAS 
+#undef PARA
+
+#define STR_PARA(N, D, C) \
+    map_string[#N] = D; 
+    STR_PARAS 
+#undef STR_PARA
+}
+
+void paras::sync_paras() {
+#define PARA(N, T, D, L, H, C) \
+    if (!strcmp(#T, "int")) N = map_int[#N]; \
+    else N = map_double[#N]; 
+    PARAS 
+#undef PARA
+#define STR_PARA(N, D, C) \
+    N = map_string[#N];
+    STR_PARAS 
+#undef STR_PARAs
+}
+
+
+void paras::set_para(char *name, int val) {
+    map_int[name] = val;
+}
+
+void paras::set_para(char *name, double val) {
+    map_double[name] = val;
+}
+
+void paras::set_para(char *name, char* val) {
+    map_string[name] = val;
+}
+
+
+void paras::print_change() {
+    printf("c ------------------- Paras list -------------------\n");
+    printf("c %-20s\t %-10s\t %-10s\t %-10s\t %s\n",
+           "Name", "Type", "Now", "Default", "Comment");
+
+#define PARA(N, T, D, L, H, C) \
+    if (map_int.count(#N)) printf("c %-20s\t %-10s\t %-10d\t %-10s\t %s\n", (#N), (#T), N, (#D), (C)); \
+    else printf("c %-20s\t %-10s\t %-10f\t %-10s\t %s\n", (#N), (#T), N, (#D), (C)); 
+    PARAS
+#undef PARA
+
+#define STR_PARA(N, D, C) \
+    printf("c %-20s\t string\t\t %-10s\t %-10s\t %s\n", (#N), N.c_str(), (#D), (C));
+    STR_PARAS
+#undef STR_PARA
+
+
+
+    printf("c --------------------------------------------------\n");
+}
\ No newline at end of file
diff --git a/src-light-solver/utils/paras.hpp b/src-light-solver/utils/paras.hpp
new file mode 100644
index 0000000..5a63ca0
--- /dev/null
+++ b/src-light-solver/utils/paras.hpp
@@ -0,0 +1,52 @@
+#ifndef _paras_hpp_INCLUDED
+#define _paras_hpp_INCLUDED
+
+#include <cstring>
+#include <unordered_map>
+
+//        name,      type,   default, low, high, comments
+#define PARAS \
+    PARA( DPS        , int    , 0     , 0  , 1   , "DPS/NPS") \
+    PARA( DPS_period , int    , 10000 , 1  , 1e8 , "DPS sharing period") \
+    PARA( margin     , int    , 0     , 0  , 1e3 , "DPS margin") \
+    PARA( pakis      , int    , 0     , 0  , 1   , "Use pakis diversity") \
+    PARA( reset      , int    , 0     , 0  , 1   , "Dynamically reseting") \
+    PARA( reset_time , int    , 10    , 1  , 1e5 , "Reseting base interval (seconds)") \
+    PARA( share      , int    , 0     , 0  , 1   , "Sharing learnt clauses") \
+    PARA( share_intv , int    , 500000, 0  , 1e9 , "Sharing interval (microseconds)") \
+    PARA( share_lits , int    , 1500  , 0  , 1e6 , "Sharing lits (per every #share_intv seconds)") \
+    PARA( shuffle    , int    , 1     , 0  , 1   , "Use random shuffle") \
+    PARA( simplify   , int    , 1     , 0  , 1   , "Use Simplify (only preprocess)") \
+    PARA( threads    , int    , 32    , 1  , 128 , "Thread number") \
+    PARA( times      , double , 5000  , 0  , 1e8 , "Cutoff time") 
+    
+#define STR_PARAS \
+    STR_PARA( config     , "" ,  "Config file") 
+
+struct paras 
+{
+#define PARA(N, T, D, L, H, C) \
+    T N = D;
+    PARAS 
+#undef PARA
+
+#define STR_PARA(N, D, C) \
+    std::string N = D;
+    STR_PARAS
+#undef STR_PARA
+
+    std::unordered_map<std::string, int>    map_int;
+    std::unordered_map<std::string, double> map_double;
+    std::unordered_map<std::string, char*>  map_string;
+    
+    void init_paras ();
+    void sync_paras ();
+    void print_change ();
+    void set_para   (char *arg, int val);
+    void set_para   (char *arg, double val);
+    void set_para   (char *arg, char* val);
+};
+
+#define OPT(N) (opt->N)
+
+#endif
\ No newline at end of file
diff --git a/src-light-solver/utils/paras.o b/src-light-solver/utils/paras.o
new file mode 100644
index 0000000..642612f
Binary files /dev/null and b/src-light-solver/utils/paras.o differ
diff --git a/src-light-solver/utils/parse.cpp b/src-light-solver/utils/parse.cpp
new file mode 100644
index 0000000..2ea0637
--- /dev/null
+++ b/src-light-solver/utils/parse.cpp
@@ -0,0 +1,98 @@
+#include <cstring>
+#include <fstream>
+#include "parse.hpp"
+using namespace std;
+
+char *read_whitespace(char *p) {
+    while ((*p >= 9 && *p <= 13) || *p == 32)
+        ++p;
+    return p;
+}
+char *read_until_new_line(char *p)
+{
+    while (*p != '\n')
+    {
+        if (*p == '\0')
+        {
+            // printf("c parse error: unexpected EOF");
+            exit(0);
+        }
+        ++p;
+    }
+    return ++p;
+}
+
+char *read_int(char *p, int *i)
+{
+    *i = 0;
+    bool sym = true;
+    p = read_whitespace(p);
+    if (*p == '-')
+        sym = false, ++p;
+    while (*p >= '0' && *p <= '9')
+    {
+        if (*p == '\0')
+            return p;
+        *i = *i * 10 + *p - '0';
+        ++p;
+    }
+    if (!sym)
+        *i = -(*i);
+    return p;
+}
+
+void readfile(const char *file, int *vars, int *clauses, vec<vec<int>> &clause) {
+    std::string infile(file);
+	std::ifstream fin(infile);
+    fin.seekg(0, fin.end);
+	size_t file_len = fin.tellg();
+	fin.seekg(0, fin.beg);
+	char *data = new char[file_len + 1];
+	fin.read(data, file_len);
+	fin.close();
+	data[file_len] = '\0';
+    char *p = data;
+    clause.push();
+    clause.push();
+    int num_clauses = 1;
+    while (*p != '\0')
+    {   
+        p = read_whitespace(p);
+        if (*p == '\0')
+            break;
+        if (*p == 'c')
+            p = read_until_new_line(p);
+        else if (*p == 'p')
+        {
+            p += 5;
+            p = read_int(p, vars);
+            p = read_int(p, clauses);
+        }
+        else
+        {
+            int dimacs_lit;
+            p = read_int(p, &dimacs_lit);
+            if (*p == '\0' && dimacs_lit != 0) exit(0);
+            if (dimacs_lit == 0)
+                num_clauses += 1, clause.push();
+            else
+                clause[num_clauses].push(dimacs_lit);
+        }
+    }
+    if (num_clauses != *clauses + 1) {
+        // printf("c parse warning: clauses: %d, real clauses: %d\n", clauses, num_clauses - 1);
+        *clauses = num_clauses - 1;
+    }
+    delete []data;
+}
+
+// void preprocess::write_cnf() {
+//     printf("p cnf %d %d\n", vars, clauses);
+//     for (int i = 1; i <= clauses; i++) {
+//         int l = clause[i].size();
+//         for (int j = 0; j < l; j++) {
+//             printf("%d ", clause[i][j]);
+//         }
+//         puts("0");
+//     }
+// }
diff --git a/src-light-solver/utils/parse.hpp b/src-light-solver/utils/parse.hpp
new file mode 100644
index 0000000..e7cb3dd
--- /dev/null
+++ b/src-light-solver/utils/parse.hpp
@@ -0,0 +1,9 @@
+#ifndef _parse_hpp_INCLUDED
+#define _parse_hpp_INCLUDED
+#include "vec.hpp"
+
+char *read_int(char *p, int *i);
+char *read_until_new_line(char *p);
+void readfile(const char *file, int *orivars, int *oriclauses, vec<vec<int>> &clause);
+
+#endif
\ No newline at end of file
diff --git a/src-light-solver/utils/parse.o b/src-light-solver/utils/parse.o
new file mode 100644
index 0000000..ed267c4
Binary files /dev/null and b/src-light-solver/utils/parse.o differ
diff --git a/src-light-solver/utils/vec.hpp b/src-light-solver/utils/vec.hpp
new file mode 100644
index 0000000..4c2bb48
--- /dev/null
+++ b/src-light-solver/utils/vec.hpp
@@ -0,0 +1,95 @@
+#ifndef _vec_hpp_INCLUDED
+#define _vec_hpp_INCLUDED
+
+#include <cassert>
+#include <cstdio>
+#include <cstdlib>
+#include <cerrno>
+#include <cstddef>
+#include <cstring>
+#include <fstream>
+
+template<class T>
+class vec {
+     static inline int  imax   (int x, int y) { int mask = (y-x) >> (sizeof(int)*8-1); return (x&mask) + (y&(~mask)); }
+    static inline void nextCap(int &cap) { cap += ((cap >> 1) + 2) & ~1; }
+
+    public:
+        T* data;
+        int sz, cap;
+        vec()                   :  data(NULL), sz(0), cap(0) {}
+        vec(int size, const T& pad) : data(NULL) , sz(0)   , cap(0)    { growTo(size, pad); }
+        explicit vec(int size)  :  data(NULL), sz(0), cap(0) { growTo(size); }
+        ~vec()                                               { clear(true); }
+
+        operator T*      (void)         { return data; }
+        
+        int     size     (void) const   { return sz;   }
+        int     capacity (void) const   { return cap;  }
+        void    capacity (int min_cap);
+
+        void    setsize  (int v)        { sz = v;} 
+        void    push  (void)            { if (sz == cap) capacity(sz + 1); new (&data[sz]) T(); sz++; }
+        void    push   (const T& elem)  { if (sz == cap) capInc(sz + 1); data[sz++] = elem;}
+        void    push_  (const T& elem)  { assert(sz < cap); data[sz++] = elem; }
+        void    pop    (void)           { assert(sz > 0), sz--, data[sz].~T(); } 
+        void    copyTo (vec<T>& copy)   { copy.clear(); copy.growTo(sz); for (int i = 0; i < sz; i++) copy[i] = data[i]; }
+        
+        void    growTo   (int size);
+        void    growTo   (int size, const T& pad);
+        void    clear    (bool dealloc = false);
+        void    capInc   (int to_cap);
+
+
+        T&       operator [] (int index)       { return data[index]; }
+        const T& operator [] (int index) const { return data[index]; }
+
+        T&       last        (void)            { return data[sz - 1]; }
+        const T& last        (void)      const { return data[sz - 1]; }
+                    
+};
+
+
+class OutOfMemoryException{};
+
+template<class T>
+void vec<T>::clear(bool dealloc) {
+    if (data != NULL) {
+        sz = 0;
+        if (dealloc) free(data), data = NULL, cap = 0;
+    }
+}
+
+template<class T>
+void vec<T>::capInc(int to_cap) {
+    if (cap >= to_cap) return;
+    int add = imax((to_cap - cap + 1) & ~1, ((cap >> 1) + 2) & ~1);
+    if (add > __INT_MAX__ - cap || ((data = (T*)::realloc(data, (cap += add) * sizeof(T))) == NULL) && errno == ENOMEM)
+        throw OutOfMemoryException();
+}
+
+template<class T>
+void vec<T>::capacity(int min_cap) {
+    if (cap >= min_cap) return;
+    int add = imax((min_cap - cap + 1) & ~1, ((cap >> 1) + 2) & ~1);   // NOTE: grow by approximately 3/2
+    if (add > __INT_MAX__ - cap || ((data = (T*)::realloc(data, (cap += add) * sizeof(T))) == NULL) && errno == ENOMEM)
+        throw OutOfMemoryException();
+ }
+
+template<class T>
+void vec<T>::growTo(int size) {
+    if (sz >= size) return;
+    capInc(size);
+    for (int i = 0; i < sz; i++) new (&data[i]) T();
+    sz = size;
+}
+
+template<class T>
+void vec<T>::growTo(int size, const T& pad) {
+    if (sz >= size) return;
+    capacity(size);
+    for (int i = sz; i < size; i++) data[i] = pad;
+    sz = size; }
+
+
+#endif
\ No newline at end of file
diff --git a/workers/basekissat.cpp b/src-light-solver/workers/basekissat.cpp
similarity index 100%
rename from workers/basekissat.cpp
rename to src-light-solver/workers/basekissat.cpp
diff --git a/workers/basekissat.hpp b/src-light-solver/workers/basekissat.hpp
similarity index 100%
rename from workers/basekissat.hpp
rename to src-light-solver/workers/basekissat.hpp
diff --git a/workers/basekissat.o b/src-light-solver/workers/basekissat.o
similarity index 100%
rename from workers/basekissat.o
rename to src-light-solver/workers/basekissat.o
diff --git a/workers/basesolver.cpp b/src-light-solver/workers/basesolver.cpp
similarity index 100%
rename from workers/basesolver.cpp
rename to src-light-solver/workers/basesolver.cpp
diff --git a/workers/basesolver.hpp b/src-light-solver/workers/basesolver.hpp
similarity index 100%
rename from workers/basesolver.hpp
rename to src-light-solver/workers/basesolver.hpp
diff --git a/workers/basesolver.o b/src-light-solver/workers/basesolver.o
similarity index 100%
rename from workers/basesolver.o
rename to src-light-solver/workers/basesolver.o
diff --git a/workers/clause.hpp b/src-light-solver/workers/clause.hpp
similarity index 100%
rename from workers/clause.hpp
rename to src-light-solver/workers/clause.hpp
diff --git a/workers/sharer.cpp b/src-light-solver/workers/sharer.cpp
similarity index 100%
rename from workers/sharer.cpp
rename to src-light-solver/workers/sharer.cpp
diff --git a/workers/sharer.hpp b/src-light-solver/workers/sharer.hpp
similarity index 100%
rename from workers/sharer.hpp
rename to src-light-solver/workers/sharer.hpp
diff --git a/workers/sharer.o b/src-light-solver/workers/sharer.o
similarity index 100%
rename from workers/sharer.o
rename to src-light-solver/workers/sharer.o