I have been following these instructions. I run the command: pwd /home/User/compiler ./../gcc-4.6.2/contrib/download_prerequisites; ./../gcc-4.6.2/configure --enable-languages=java --prefix=/home/User/compiler --with-gmp=../gmp/ --with-mpfr=../mpfr/ --with-mpc=../mpc/; and it still complains to me that it can't find gmp.h ??? > Date: Wed, 29 Feb 2012 00:11:01 +0000 > Subject: Re: FW: Compiling and building vital libraries. > From: jwakely.gcc@xxxxxxxxx > To: stargate7thsymbol@xxxxxxxxxx > CC: mingw-users@xxxxxxxxxxxxxxxxxxxxx; gcc-help@xxxxxxxxxxx; java@xxxxxxxxxxx > > 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!