On 29 February 2012 00:02, Me Myself and I wrote: > > > //------------------------------------------------------------------------------------------ > I have indeed turned off my firewall for a while, > and have successfully completed > > ./contrib/download_prerequisites; > > which gives me > > gmp > mpfr > mpc > > directories. However, these 3 new directories are source code directories, which need the > > ./configure; make; make check; install; > > treatment. No, they don't. That will happen automatically as part of building GCC. READ THE DOCS I KEEP POINTING YOU TO: http://gcc.gnu.org/wiki/InstallingGCC I didn't write them just for fun, stop ignoring them!