On 9 March 2012 14:10, Christer Solskogen wrote: > Hi! > > I installed (from source) gmp, mpfr, mpc, ppl, cloog, binutils and gcc in > the same PREFIX. Everything compiled just fine. But running gcc is another > matter, or in fact, cc1. cc1 is missing a lot of libraries: As it says as http://gcc.gnu.org/wiki/InstallingGCC "if GCC links dynamically to the GMP, MPFR or MPC then the relevant shared libraries must be in the dynamic linker's path, both when building gcc and when using the installed compiler" I suggest reading that whole page.