https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88668
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #2) > > On windows with configure like > > --host i686-w64-mingw32 > > But build is then guessed using config.guess. > Then you have a build!=host case. I should say you have the build!=host case on accident. Really this one case you should have them being the same.