Re: [PATCH] Makefile: detect compiler and enable more warnings in DEVELOPER=1

From: Eric Sunshine <sunshine@sunshineco.com>
Date: Mar 18, 2018, 09:37 UTC
Message-ID: <CAPig+cRQXQ_DowS2Dsc1x3TAGJjnWig7P4eYS4kQ+C2piAdSWA@mail.gmail.com>
In-Reply-To: <20180318092825.GC29208@sigill.intra.peff.net>

On Sun, Mar 18, 2018 at 5:28 AM, Jeff King <peff@peff.net> wrote:

Show 11 quoted lines

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