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<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib -v CMakeFiles/cmTC_74deb.dir/OpenMPTryFlag.c.o -o cmTC_74deb -pie
[*] c++ -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -std=gnu++14 -o CMakeFiles/cmTC_dee04.dir/OpenMPTryFlag.cpp.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-sEm1KY/OpenMPTryFlag.cpp
<.> /tmp/math/igraph/work/.gcc/bin/g++ -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -std=gnu++14 -o CMakeFiles/cmTC_dee04.dir/OpenMPTryFlag.cpp.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-sEm1KY/OpenMPTryFlag.cpp
[*] c++ -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -v CMakeFiles/cmTC_dee04.dir/OpenMPTryFlag.cpp.o -o cmTC_dee04
<.> /tmp/math/igraph/work/.gcc/bin/g++ -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib -v CMakeFiles/cmTC_dee04.dir/OpenMPTryFlag.cpp.o -o cmTC_dee04 -pie
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -std=gnu99 -o CMakeFiles/cmTC_89b56.dir/OpenMPCheckVersion.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-79oVwv/OpenMPCheckVersion.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -std=gnu99 -o CMakeFiles/cmTC_89b56.dir/OpenMPCheckVersion.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-79oVwv/OpenMPCheckVersion.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_89b56.dir/OpenMPCheckVersion.c.o -o cmTC_89b56
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_89b56.dir/OpenMPCheckVersion.c.o -o cmTC_89b56 -pie
[*] c++ -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -std=gnu++14 -o CMakeFiles/cmTC_8882a.dir/OpenMPCheckVersion.cpp.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-x09Xxg/OpenMPCheckVersion.cpp
<.> /tmp/math/igraph/work/.gcc/bin/g++ -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -std=gnu++14 -o CMakeFiles/cmTC_8882a.dir/OpenMPCheckVersion.cpp.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-x09Xxg/OpenMPCheckVersion.cpp
[*] c++ -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -fopenmp -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_8882a.dir/OpenMPCheckVersion.cpp.o -o cmTC_8882a
<.> /tmp/math/igraph/work/.gcc/bin/g++ -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -fopenmp -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_8882a.dir/OpenMPCheckVersion.cpp.o -o cmTC_8882a -pie
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --version
<.> set args --version; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --print-errors --short-errors --exists libxml-2.0
<.> set args --print-errors --short-errors --exists libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --modversion libxml-2.0
<.> set args --modversion libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --variable=prefix libxml-2.0
<.> set args --variable=prefix libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --variable=includedir libxml-2.0
<.> set args --variable=includedir libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --variable=libdir libxml-2.0
<.> set args --variable=libdir libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --libs-only-l libxml-2.0
<.> set args --libs-only-l libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --libs-only-l libxml-2.0
<.> set args --static --libs-only-l libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --libs-only-L libxml-2.0
<.> set args --libs-only-L libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --libs-only-L libxml-2.0
<.> set args --static --libs-only-L libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --libs libxml-2.0
<.> set args --libs libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --libs libxml-2.0
<.> set args --static --libs libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --libs-only-other libxml-2.0
<.> set args --libs-only-other libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --libs-only-other libxml-2.0
<.> set args --static --libs-only-other libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --cflags-only-I libxml-2.0
<.> set args --cflags-only-I libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --cflags-only-I libxml-2.0
<.> set args --static --cflags-only-I libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --cflags libxml-2.0
<.> set args --cflags libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --cflags libxml-2.0
<.> set args --static --cflags libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --cflags-only-other libxml-2.0
<.> set args --cflags-only-other libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] /tmp/math/igraph/work/.tools/bin/pkg-config --static --cflags-only-other libxml-2.0
<.> set args --static --cflags-only-other libxml-2.0; shift; PKG_CONFIG_LIBDIR=/tmp/math/igraph/work/.buildlink/lib/pkgconfig:/tmp/math/igraph/work/.buildlink/share/pkgconfig /usr/pkg/bin/pkg-config  "$@"
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_1498a.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-3dDMzX/CheckSymbolExists.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_1498a.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-3dDMzX/CheckSymbolExists.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_1498a.dir/CheckSymbolExists.c.o -o cmTC_1498a
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_1498a.dir/CheckSymbolExists.c.o -o cmTC_1498a -pie
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_797a6.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-H9kqWq/CheckSymbolExists.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_797a6.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-H9kqWq/CheckSymbolExists.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_797a6.dir/CheckSymbolExists.c.o -o cmTC_797a6 -lm
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_797a6.dir/CheckSymbolExists.c.o -o cmTC_797a6 -lm -pie
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_c3022.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-G2r0dm/CheckSymbolExists.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_c3022.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-G2r0dm/CheckSymbolExists.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_c3022.dir/CheckSymbolExists.c.o -o cmTC_c3022 -lm
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_c3022.dir/CheckSymbolExists.c.o -o cmTC_c3022 -lm -pie
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_ac5ba.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-YuY5Un/CheckSymbolExists.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_ac5ba.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-YuY5Un/CheckSymbolExists.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_ac5ba.dir/CheckSymbolExists.c.o -o cmTC_ac5ba -lm
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -Wl,-zrelro -L/tmp/math/igraph/work/.buildlink/lib -Wl,-rpath,/usr/pkg/lib CMakeFiles/cmTC_ac5ba.dir/CheckSymbolExists.c.o -o cmTC_ac5ba -lm -pie
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_f2d28.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-pErrDu/CheckSymbolExists.c
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[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_a3103.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-vi8uUQ/CheckSymbolExists.c
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[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_24cc3.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-MsaDBw/CheckSymbolExists.c
<.> /tmp/math/igraph/work/.gcc/bin/gcc -fcommon -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-zrelro -fPIC -O2 -I/tmp/math/igraph/work/.buildlink/include -Dz_off_t=long -I/tmp/math/igraph/work/.buildlink/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_24cc3.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-MsaDBw/CheckSymbolExists.c
[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -Wl,-zrelro -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib CMakeFiles/cmTC_24cc3.dir/CheckSymbolExists.c.o -o cmTC_24cc3 -lm
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[*] cc -O2 -I/usr/pkg/include -Dz_off_t=long -I/usr/include -I/usr/pkg/include/libxml2 -std=gnu99 -o CMakeFiles/cmTC_0b980.dir/CheckSymbolExists.c.o -c /tmp/math/igraph/work/igraph-1.0.0/build/CMakeFiles/CMakeScratch/TryCompile-ZgB3dp/CheckSymbolExists.c
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