http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49190
--- Comment #4 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-05-27 18:29:53 UTC --- (In reply to comment #3) > Ugh. I do not have time to deal with this problem at the moment. > > But I don't understand how ASM_OUTPUT_WEAKREF isn't defined at that point. We > have a perfectly fine default definition in defaults.h. Perhaps because x86_64-apple-darwin has... [MacPro:gcc47-4.7.0-1000/darwin_objdir/gcc] root# grep HAVE_GAS_WEAKREF * auto-host.h:/* #undef HAVE_GAS_WEAKREF */ whereas linux has... auto-host.h:#define HAVE_GAS_WEAKREF 1