NightStrike wrote: > If target > is known to the top-level configure (for instance, in my case, it's > x86_64-pc-mingw32), why can't that be passed down to the gmp/mpfr > configures? I neglected to mention also that gmp and mpfr are host libraries, not target libraries, so they are not going to be built for x86_64-pc-mingw32 in your case, they're built for whatever $host is. Brian