https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117635
pietro <pietro at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pietro at gcc dot gnu.org --- Comment #2 from pietro <pietro at gcc dot gnu.org> --- A hurdle is that libffi uses autoconf 2.71 and the rest of GCC uses 2.69.