https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104056
--- Comment #2 from cqwrteur <unlvsur at live dot com> --- skipping link test. i got features.h no such file /home/cqwrteur/myhome/gcc_build/native/x86_64-ubuntu-linux-gnu/gcc/x86_64-ubuntu-linux-gnu/libstdc++-v3/include/x86_64-ubuntu-linux-gnu/bits/os_defines.h:39:10: fatal error: features.h: No such file or directory 39 | #include <features.h> | ^~~~~~~~~~~~ In file included from /home/cqwrteur/myhome/gcc_build/native/x86_64-ubuntu-linux-gnu/gcc/x86_64-ubuntu-linux-gnu/libstdc++-v3/include/x86_64-ubuntu-linux-gnu/bits/c++config.h:649, from /home/cqwrteur/myhome/gcc/libstdc++-v3/libsupc++/cxxabi.h:49, from ../../../../../../../gcc/libstdc++-v3/libsupc++/atexit_arm.cc:24: /home/cqwrteur/myhome/gcc_build/native/x86_64-ubuntu-linux-gnu/gcc/x86_64-ubuntu-linux-gnu/libstdc++-v3/include/x86_64-ubuntu-linux-gnu/bits/os_defines.h:39:10: fatal error: features.h: No such file or directory 39 | #include <features.h> | ^~~~~~~~~~~~ In file included from /home/cqwrteur/myhome/gcc_build/native/x86_64-ubuntu-linux-gnu/gcc/x86_64-ubuntu-linux-gnu/libstdc++-v3/include/x86_64-ubuntu-linux-gnu/bits/c++config.h:649, from ../../../../../../../gcc/libstdc++-v3/libsupc++/new:40, from ../../../../../../../gcc/libstdc++-v3/libsupc++/bad_alloc.cc:26: /home/cqwrteur/myhome/gcc_build/native/x86_64-ubuntu-linux-gnu/gcc/x86_64-ubuntu-linux-gnu/libstdc++-v3/include/x86_64-ubuntu-linux-gnu/bits/os_defines.h:39:10: fatal error: features.h: No such file or directory 39 | #include <features.h> | ^~~~~~~~~~~~ compilation terminated. compilation terminated. compilation terminated.