https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111390
--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > The fact nobody has tried to use it in 10+ years makes me think it's not all > that useful. Only reason I haven't tried to use it is because I didn't know it existed; if it were also available from the top-level Makefile, it would be more discoverable, and more likely to be used.