David Saada wrote: > Well, I've simply installed mpfr on a separate location (prior to installing gcc of course) with the --prefix=/u/lni/mpfr/2.4.1/powerpc-unknown-linux-gnu/ option. Did I miss anything? It looks like, for example, you are trying to use 32-bit libraries in a 64-bit build. mpfr originally didn't pay any attention to those issues of keeping 32/64 things straight; if it hasn't improved for your target, it's up to you to sort this out.