https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120147
--- Comment #4 from LIU Hao <lh_mouse at 126 dot com> --- configure:54444: checking whether _get_osfhandle is defined in <io.h> configure:54468: /home/lh_mouse/GitHub/MINGW-packages/mingw-w64-gcc/src/build-MINGW32/./gcc/xgcc -shared-libgcc -B/home/lh_mouse/GitHub/MINGW-packages/mingw-w64-gcc/src/build-MINGW32/./gcc -nostdinc++ -L/home/lh_mouse/GitHub/MINGW-packages/mingw-w64-gcc/src/build-MINGW32/i686-w64-mingw32/libstdc++-v3/src -L/home/lh_mouse/GitHub/MINGW-packages/mingw-w64-gcc/src/build-MINGW32/i686-w64-mingw32/libstdc++-v3/src/.libs -L/home/lh_mouse/GitHub/MINGW-packages/mingw-w64-gcc/src/build-MINGW32/i686-w64-mingw32/libstdc++-v3/libsupc++/.libs -L/mingw32/i686-w64-mingw32/lib -L/mingw32/lib -isystem /mingw32/i686-w64-mingw32/include -isystem /mingw32/include -B/mingw32/i686-w64-mingw32/bin/ -B/mingw32/i686-w64-mingw32/lib/ -isystem /mingw32/i686-w64-mingw32/include -isystem /mingw32/i686-w64-mingw32/sys-include -c -O0 -S -I/mingw32/include conftest.cpp >&5 configure:54468: $? = 0 configure: failed program was: | /* confdefs.h */