http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48392
--- Comment #4 from froydnj at codesourcery dot com <froydnj at codesourcery dot com> 2011-03-31 17:18:33 UTC --- Or at least don't pass --host if you don't need it; configure will do a fine job of figuring things out on its own. Since you don't have the 32-bit libraries installed, you may also need --disable-multilib.