> ... sort of. Last I checked, the Make features required by POSIX were very anemic. You're trying to move the goal post here. The question is not which obscu

> ... sort of. Last I checked, the Make features required by POSIX were very anemic. You're trying to move the goal post here. The question is not which obscure feature is made available only by a specific implementation of Make. That's completely besides the point. The point is that Make is widely available as it is a required component on all UNIX operating systems, and this means that any standard Makefile you might have is assuredly supported on any UNIX installation out-of-the-box.