http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48378
--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-02 22:52:32 UTC --- (In reply to comment #9) > (In reply to comment #7) > > (In reply to comment #6) > > > I continue to get the originally reported error: > > > > It looks as though you continue to build in the source dir, but I can't know > > for sure as you didn't say how you're running configure. > > ../gcc-4.6.0/configure which is the directory you're building in too, right? i.e. the same as ./configure So you're still building in the source directory. You need TWO directories, one for the sources, and one you build in. And why are you using with_xxx_lib instead of using --with-gmp ? Try the makefile at http://advogato.org/person/redi/diary/229.html which will do it all for you correctly: make -f config-gcc.mk GCC_VERSION=4.6.0 GMP_VERSION=5.0.1
