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| author | Adrian Prantl <aprantl@apple.com> | 2019-05-07 17:10:27 +0000 |
|---|---|---|
| committer | Adrian Prantl <aprantl@apple.com> | 2019-05-07 17:10:27 +0000 |
| commit | ccdefb24adaad85d4afc75ab39f7cfb32d3ed0f8 (patch) | |
| tree | a7d52a4fd0c4dcc1d7c2327438a95cf36a891a78 /llvm/lib | |
| parent | 0ed545ebb3f6fece491671904b680394a318c95f (diff) | |
| download | bcm5719-llvm-ccdefb24adaad85d4afc75ab39f7cfb32d3ed0f8.tar.gz bcm5719-llvm-ccdefb24adaad85d4afc75ab39f7cfb32d3ed0f8.zip | |
Guard __builtin_available() with __has_builtin to support older host compilers.
llvm-svn: 360174
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Support/Unix/Path.inc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc index fa5115bfd65..fb14422ba33 100644 --- a/llvm/lib/Support/Unix/Path.inc +++ b/llvm/lib/Support/Unix/Path.inc @@ -1137,6 +1137,7 @@ namespace fs { /// implementation. std::error_code copy_file(const Twine &From, const Twine &To) { uint32_t Flag = COPYFILE_DATA; +#if __has_builtin(__builtin_available) if (__builtin_available(macos 10.12, *)) { bool IsSymlink; if (std::error_code Error = is_symlink_file(From, IsSymlink)) @@ -1146,7 +1147,7 @@ std::error_code copy_file(const Twine &From, const Twine &To) { if (!IsSymlink && !exists(To)) Flag = COPYFILE_CLONE; } - +#endif int Status = copyfile(From.str().c_str(), To.str().c_str(), /* State */ NULL, Flag); |
