https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120527
--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> --- Since XNU is public, it seems reasonable to make use of these. Do you have anything in mind for a fallback for OS versions < 10.15 (we certainly have folks building back to 10.13 for $dayjob).
