On Sun, Mar 18, 2018 at 5:28 AM, Jeff King [off-list ref] wrote:

On Sun, Mar 18, 2018 at 05:06:07AM -0400, Eric Sunshine wrote:

quoted

On MacOS, "cc -v" output is:

--- >8 ---

Apple LLVM version 9.0.0 (clang-900.0.39.2)
Target: x86_64-apple-darwin16.7.0
Thread model: posix
InstalledDir: ...

--- >8 ---

Is that really way ahead of the clang releases (which are at 7.0,
AFAIK), or do they use a totally different number scheme?

I have no idea, but from past experience with Apple, I'd guess that
the version number is an Apple invention.

{...goes and researches a bit...}

Indeed, there doesn't seem to be any correlation between what Apple
reports and the actual clang version number[1].

[1]: https://stackoverflow.com/questions/33603027/get-apple-clang-version-and-corresponding-upstream-llvm-version