http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57797
--- Comment #2 from Earnie <earnie at users dot sourceforge.net> --- (In reply to Jonathan Wakely from comment #1) > (In reply to Earnie from comment #0) > > --disable-build-poststage1-with-cxx > > You know this doesn't work for GCC 4.8, right? No, I wasn't aware of it. I copied it from a previous 4.7.2 build via ``gcc -v''. But that shouldn't cause the issue. I notice in the target folder i686-pc-mingw32/libgcc/config.log file that --enable-languages is modified to include c++ and lto. Why would that happen?