http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56030
--- Comment #1 from Bill Gates <gregnietsky at gmail dot com> 2013-01-18 14:57:29 UTC --- There is a glitch with this .... testing it with a native x32 and includeing 64 mutlilib fails on the multilib build as there is no /64 multilib directory currently included ... small patch comming up ...