kevin diggs <diggskevin38@xxxxxxxxx> writes: > For a 4.3.5 cross compiler, are the paths in the --with-gmp= (and > --with-mpfr=) relative to the --with-sysroot= path? No. That would not make sense. --with-gmp and --with-mpfr tell configure where to find the host system GMP and MPFR libraries. --with-sysroot tells the compiler where to find the target header files and libraries. Host libraries would not be found in a target directory. Ian