http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56909
--- Comment #5 from Arthur Zhang <mail2arthur at gmail dot com> 2013-04-12 20:39:42 UTC --- (In reply to comment #4) > > The only configure option works for now is '--with-arch=i686'. Thanks. > > You're welcome. But you should remove it, it probably slows down the > compiler. Remove what? The '--with-arch=i686' setting? If so then is there any workaround to get rid of those undefined references.