| checking for the correct version of mpfr.h... no
| configure: error: Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
| Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
| their locations.  Source code for these libraries can be found at
| their respective hosting sites as well as at