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 = seed7
uname -m = x86_64
uname -r = 5.4.0-121-generic
uname -s = Linux
uname -v = #137-Ubuntu SMP Wed Jun 15 13:33:07 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: a00f11:5e800800:7efa320b: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=a00f11:5e800800:7efa320b: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/cloud-nobug/cloud-sat/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/cloud-nobug/cloud-sat/m4ri-20140914/missing autoconf'
AUTOHEADER='${SHELL} /home/chenzh/solvers/cloud-nobug/cloud-sat/m4ri-20140914/missing autoheader'
AUTOMAKE='${SHELL} /home/chenzh/solvers/cloud-nobug/cloud-sat/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/cloud-nobug/cloud-sat/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='${SHELL} /home/chenzh/solvers/cloud-nobug/cloud-sat/m4ri-20140914/install-sh'
libdir='${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 seed7

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
