https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113497
--- Comment #2 from cqwrteur <unlvsur at live dot com> --- https://github.com/gcc-mirror/gcc/blob/9693459e030977d6e906ea7eb587ed09ee4fddbd/libgcc/config/i386/enable-execute-stack-mingw32.c#L31 Looks like it misses stdlib.h
