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| author | Jack Lloyd <[email protected]> | 2017-12-15 10:12:34 -0500 |
|---|---|---|
| committer | Jack Lloyd <[email protected]> | 2017-12-15 10:12:34 -0500 |
| commit | 5b6efbc5b037b160f8020a4cb3bef906310c8615 (patch) | |
| tree | 91b9131695edf682c8eea245a6d4dcc5063181f8 | |
| parent | 7b2f3cd974090efd07650753827bb4a7b6c4053b (diff) | |
Update comment [ci skip]
| -rw-r--r-- | src/build-data/detect_version.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/build-data/detect_version.cpp b/src/build-data/detect_version.cpp index 709e06c45..42c4a2605 100644 --- a/src/build-data/detect_version.cpp +++ b/src/build-data/detect_version.cpp @@ -19,12 +19,14 @@ #elif defined(__clang__) && defined(__apple_build_version__) /* - Map Apple XCode versions back to standard Clang - - This is not a complete map, since we don't support any versions of - Clang before 3.5 in any case, and it arbitrarily maps any version with - XCode >= 9 to Clang 4.0. This is fine because we don't currently need - any features not available in Clang 4.0 + Map Apple LLVM versions as used in XCode back to standard Clang. + This is not exact since the versions used in XCode are actually + forks of Clang and do not coorespond perfectly to standard Clang + releases. In addition we don't bother mapping very old versions + (anything before XCode 7 is treated like Clang 3.5, which is the + oldest version we support) and for "future" versions we simply + treat them as Clang 4.0, since we don't currenly rely on any + features not included in 4.0 */ #if __clang_major__ >= 9 |