Determining if the isfinite exist failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_da915/fast" /usr/bin/gmake -f CMakeFiles/cmTC_da915.dir/build.make CMakeFiles/cmTC_da915.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_da915.dir/CheckSymbolExists.cxx.o /usr/bin/x86_64-pc-linux-gnu-g++ -DNDEBUG -std=c++11 -O2 -pipe -march=native -o CMakeFiles/cmTC_da915.dir/CheckSymbolExists.cxx.o -c /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: In function ‘int main(int, char**)’: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: error: ‘isfinite’ was not declared in this scope return ((int*)(&isfinite))[argc]; ^~~~~~~~ /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: note: suggested alternative: In file included from /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:2: /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/cmath:578:5: note: ‘std::isfinite’ isfinite(_Tp __x) ^~~~~~~~ gmake[1]: *** [CMakeFiles/cmTC_da915.dir/build.make:66: CMakeFiles/cmTC_da915.dir/CheckSymbolExists.cxx.o] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_da915/fast] Error 2 File /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef isfinite return ((int*)(&isfinite))[argc]; #else (void)argc; return 0; #endif } Determining if the isinf exist failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_2ce2b/fast" /usr/bin/gmake -f CMakeFiles/cmTC_2ce2b.dir/build.make CMakeFiles/cmTC_2ce2b.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_2ce2b.dir/CheckSymbolExists.cxx.o /usr/bin/x86_64-pc-linux-gnu-g++ -DNDEBUG -std=c++11 -O2 -pipe -march=native -o CMakeFiles/cmTC_2ce2b.dir/CheckSymbolExists.cxx.o -c /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: In function ‘int main(int, char**)’: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: error: ‘isinf’ was not declared in this scope return ((int*)(&isinf))[argc]; ^~~~~ /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: note: suggested alternative: In file included from /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:2: /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/cmath:605:5: note: ‘std::isinf’ isinf(_Tp __x) ^~~~~ gmake[1]: *** [CMakeFiles/cmTC_2ce2b.dir/build.make:66: CMakeFiles/cmTC_2ce2b.dir/CheckSymbolExists.cxx.o] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_2ce2b/fast] Error 2 File /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef isinf return ((int*)(&isinf))[argc]; #else (void)argc; return 0; #endif } Determining if the isnan exist failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_f747b/fast" /usr/bin/gmake -f CMakeFiles/cmTC_f747b.dir/build.make CMakeFiles/cmTC_f747b.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_f747b.dir/CheckSymbolExists.cxx.o /usr/bin/x86_64-pc-linux-gnu-g++ -DNDEBUG -std=c++11 -O2 -pipe -march=native -o CMakeFiles/cmTC_f747b.dir/CheckSymbolExists.cxx.o -c /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: In function ‘int main(int, char**)’: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: error: ‘isnan’ was not declared in this scope return ((int*)(&isnan))[argc]; ^~~~~ /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: note: suggested alternative: In file included from /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:2: /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/cmath:632:5: note: ‘std::isnan’ isnan(_Tp __x) ^~~~~ gmake[1]: *** [CMakeFiles/cmTC_f747b.dir/build.make:66: CMakeFiles/cmTC_f747b.dir/CheckSymbolExists.cxx.o] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_f747b/fast] Error 2 File /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef isnan return ((int*)(&isnan))[argc]; #else (void)argc; return 0; #endif } Determining if the function isfinite exists failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_c54ad/fast" /usr/bin/gmake -f CMakeFiles/cmTC_c54ad.dir/build.make CMakeFiles/cmTC_c54ad.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_c54ad.dir/CheckFunctionExists.c.o /usr/bin/x86_64-pc-linux-gnu-gcc -DNDEBUG -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=isfinite -o CMakeFiles/cmTC_c54ad.dir/CheckFunctionExists.c.o -c /usr/share/cmake/Modules/CheckFunctionExists.c Linking C executable cmTC_c54ad /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_c54ad.dir/link.txt --verbose=1 /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=isfinite -Wl,-O1 -Wl,--as-needed -rdynamic CMakeFiles/cmTC_c54ad.dir/CheckFunctionExists.c.o -o cmTC_c54ad -lm CMakeFiles/cmTC_c54ad.dir/CheckFunctionExists.c.o: In function `main': CheckFunctionExists.c:(.text.startup+0xc): undefined reference to `isfinite' collect2: error: ld returned 1 exit status gmake[1]: *** [CMakeFiles/cmTC_c54ad.dir/build.make:87: cmTC_c54ad] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_c54ad/fast] Error 2 Determining if the function arc4random exists failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_71794/fast" /usr/bin/gmake -f CMakeFiles/cmTC_71794.dir/build.make CMakeFiles/cmTC_71794.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_71794.dir/CheckFunctionExists.c.o /usr/bin/x86_64-pc-linux-gnu-gcc -DNDEBUG -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=arc4random -o CMakeFiles/cmTC_71794.dir/CheckFunctionExists.c.o -c /usr/share/cmake/Modules/CheckFunctionExists.c Linking C executable cmTC_71794 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_71794.dir/link.txt --verbose=1 /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=arc4random -Wl,-O1 -Wl,--as-needed -rdynamic CMakeFiles/cmTC_71794.dir/CheckFunctionExists.c.o -o cmTC_71794 -lm CMakeFiles/cmTC_71794.dir/CheckFunctionExists.c.o: In function `main': CheckFunctionExists.c:(.text.startup+0xc): undefined reference to `arc4random' collect2: error: ld returned 1 exit status gmake[1]: *** [CMakeFiles/cmTC_71794.dir/build.make:87: cmTC_71794] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_71794/fast] Error 2 Determining if the pthread_create exist failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_a6b75/fast" /usr/bin/gmake -f CMakeFiles/cmTC_a6b75.dir/build.make CMakeFiles/cmTC_a6b75.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_a6b75.dir/CheckSymbolExists.c.o /usr/bin/x86_64-pc-linux-gnu-gcc -DNDEBUG -O2 -pipe -march=native -o CMakeFiles/cmTC_a6b75.dir/CheckSymbolExists.c.o -c /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c Linking C executable cmTC_a6b75 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a6b75.dir/link.txt --verbose=1 /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -Wl,-O1 -Wl,--as-needed -rdynamic CMakeFiles/cmTC_a6b75.dir/CheckSymbolExists.c.o -o cmTC_a6b75 -lm CMakeFiles/cmTC_a6b75.dir/CheckSymbolExists.c.o: In function `main': CheckSymbolExists.c:(.text.startup+0x3): undefined reference to `pthread_create' collect2: error: ld returned 1 exit status gmake[1]: *** [CMakeFiles/cmTC_a6b75.dir/build.make:87: cmTC_a6b75] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_a6b75/fast] Error 2 File /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef pthread_create return ((int*)(&pthread_create))[argc]; #else (void)argc; return 0; #endif } Determining if the function pthread_create exists in the pthreads failed with the following output: Change Dir: /var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_09a16/fast" /usr/bin/gmake -f CMakeFiles/cmTC_09a16.dir/build.make CMakeFiles/cmTC_09a16.dir/build gmake[1]: Entering directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_09a16.dir/CheckFunctionExists.c.o /usr/bin/x86_64-pc-linux-gnu-gcc -DNDEBUG -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_09a16.dir/CheckFunctionExists.c.o -c /usr/share/cmake/Modules/CheckFunctionExists.c Linking C executable cmTC_09a16 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_09a16.dir/link.txt --verbose=1 /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -DCHECK_FUNCTION_EXISTS=pthread_create -Wl,-O1 -Wl,--as-needed -rdynamic CMakeFiles/cmTC_09a16.dir/CheckFunctionExists.c.o -o cmTC_09a16 -lpthreads -lm /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status gmake[1]: *** [CMakeFiles/cmTC_09a16.dir/build.make:87: cmTC_09a16] Error 1 gmake[1]: Leaving directory '/var/tmp/portage/sci-libs/shogun-5.0.0/work/shogun-5.0.0_build/CMakeFiles/CMakeTmp' gmake: *** [Makefile:121: cmTC_09a16/fast] Error 2