https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87891
--- Comment #1 from Douglas Mencken <dougmencken at gmail dot com> --- Created attachment 44960 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44960&action=edit assembly of conftest.c It really can’t assemble main() { return 0; } $ /Volumes/hfsplushd/Development/gcc-toolchain/_build/./gcc/xgcc -B/Volumes/hfsplushd/Development/gcc-toolchain/_build/./gcc/ -B/Developer/GCC/8.2p/PowerPC/64bit/powerpc64-unknown-darwin/bin/ -B/Developer/GCC/8.2p/PowerPC/64bit/powerpc64-unknown-darwin/lib/ -isystem /Developer/GCC/8.2p/PowerPC/64bit/powerpc64-unknown-darwin/include -isystem /Developer/GCC/8.2p/PowerPC/64bit/powerpc64-unknown-darwin/sys-include -c -g -O2 conftest.c -save-temps /Volumes/hfsplushd/Development/gcc-toolchain/_build/./gcc/as: line 106: exec: ppc64: not found