On Sat, Aug 07, 2021 at 04:02:45AM +0200, Ævar Arnfjörð Bjarmason wrote: > Perhaps I've missed some obvious reason not to do this, but why are we > parsing the --version output of two modern compilers, as opposed to just > asking them what type/version they are via their usual macro facilities? > I.e. something like the below: That would probably work OK in practice, but it actually seems more complex to me (how do other random compilers react to "-E -"? Is it possible for us to get other output from the preprocessor that would confuse an eval?). It could perhaps make the Apple version-string confusion go away, though, which might make it worth doing. -Peff
