http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52226
--- Comment #10 from Xiyue Deng <manphiz at gmail dot com> 2012-02-13 11:48:36 UTC --- (In reply to comment #9) > (In reply to comment #6) > > I'm using Xcode 3.2.6. GCC configuration: > > > > $ gcc -v > > Using built-in specs. > > Target: i686-apple-darwin10 > > Could the problem be that you don't have an assembler that supports 64-bit? It's a Mid-2009 macbook pro (MacBookPro5,5) that preinstalled with Snow Leopard. The only difference is that it used to boot with 32-bit kernel and now I enabled 64-bit kernel by hand. I'm not sure but I guess it should support 64-bit stuff.