http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58260
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Mikael Pettersson from comment #4) > (I always build gmp/mpfr/mpc with --disable-shared exactly to avoid such > issues.) Why not just build them in tree and avoid all problems?