http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50342
--- Comment #11 from simon at pushface dot org 2012-05-08 20:01:50 UTC --- (In reply to comment #10) > I'm wondering if you could add: > > # Work around PR50342 > BOOT_CFLAGS += -D_FORTIFY_SOURCE=0 > > to config/mh-darwin and fix the issue. If so, I think that might be the best > solution for now. I think this should be safe for ppc and older and newer > OSes. If there comes a time when everything just works, the line can be > removed later. Let me know. Tried that and it made no difference. This is in a 4.7.0 download. Should I have re-run any of the autoconf etc tools after changing mh-darwin? Or is it that the problem occurs during gcc/configure rather than in the compiler bootstrap?