https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87891
--- Comment #4 from Douglas Mencken <dougmencken at gmail dot com> --- (In reply to Jonathan Wakely from comment #2) > Do you have an assembler for the cross-target installed? The same system’s `as` eats both of ppc and ppc64 assembly. It looks like that build machinery of GCC just can’t locate it. Plus there’s another problem with enable-execute-stack.c:25:10: fatal error: sys/mman.h: No such file or directory