https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80005
Nathan Sidwell <nathan at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |ASSIGNED Resolution|FIXED |--- --- Comment #6 from Nathan Sidwell <nathan at gcc dot gnu.org> --- Reopening. Sadly my fear turned out to be true. real code out there presumes __has_include__ (with the trailing underbars) is how to get at this feature. I'm looking at you glibc! Adding backwards compatibility ...