https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81459
--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > 3) Next combinations have been tested: > > --enable-languages=c,ada > > --enable-languages=c,c++,ada This one should be fine. If this doesn't work, then use the system compiler instead of GNAT GPL as base compiler.