https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48835
--- Comment #64 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Created attachment 40247 [details] > Ada support patch updated for gcc-7.0. The variables $(arch) and $(osys) are obsolete in Makefile.in and the line "Frontend_Exceptions : constant Boolean := False;" is missing.