https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Kludge to work around configure breakage. Not pretty, but at least it lets > bootstrap w/ Ada succeed on Cygwin. OK, let's go for this. Can you post it on the gcc-patches@ mailing list?