On Sat, Aug 7, 2021 at 7:40 AM Jeff King <peff@xxxxxxxx> wrote: > The distinction does not matter for our script (where we only care about > "clang4" and up). I guess the most relevant test would be to get XCode > 8.x and see what it says. I expect it to claim "clang 8.1.0" or similar, > but actually be clang-3. And therefore not support > -Wtautological-constant-out-of-range-compare. uses Xcode 7.3 (based on clang 3.8) and either does support that flag or ignores it silently https://www.travis-ci.com/github/carenas/git/builds/234772346 the same was observed with Xcode 8 both error later and fail to build because of a valid (but harmless) -Wformat-extra-args warning that doesn't trigger in later versions Carlo
