http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56656
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-03-20 02:16:24 UTC --- svn co svn://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch gcc-src mkdir gcc-objdir cd gcc-objdir ../gcc-src/configure .... make If that does not work then can you try adding the following to configure command line: --host=x86_64-apple-darwin11.4.2 --target=x86_64-apple-darwin11.4.2 > --disable-multilib Also why do you do that?