http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52733
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-27 09:39:49 UTC --- (In reply to comment #0) > I downloaded GCC 4.7.0 released [2012-03-22] and was unable to build gcc/g++. > I used the following configure command: > > % ./configure --prefix=`pwd`/inst --enable-languages=c,c++ Running configure inside the source directory is not supported http://gcc.gnu.org/wiki/FAQ#configure Are you sure you want to use a subdir of the sources as the --prefix arg? That looks odd too. You still shouldn't get an internal compiler error though.