https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116021
--- Comment #9 from Eric Gallager <egallager at gcc dot gnu.org> --- Ah, looking at gcc/ada/gcc-interface/Makefile.in, perhaps the issue is that I need to set GNATLINK in my environment, too, besides just GNATMAKE and GNATBIND... perhaps the issue was arising due to having had a version mismatch previously...