Comment out __builtin_available() use (rust-lang#21)

__builtin_available() pulls in __isOSVersionAtLeast() from compiler-rt. Comment it out so we don't have to figure out how to pull in this symbol...
nikic · Jan 3, 2020 · b0a610d · b0a610d
1 parent f410cc1
commit b0a610d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
@@ -1222,7 +1222,7 @@ namespace fs {
 /// implementation.
 std::error_code copy_file(const Twine &From, const Twine &To) {
   uint32_t Flag = COPYFILE_DATA;
-#if __has_builtin(__builtin_available) && defined(COPYFILE_CLONE)
+#if 0 && __has_builtin(__builtin_available) && defined(COPYFILE_CLONE)
   if (__builtin_available(macos 10.12, *)) {
     bool IsSymlink;
     if (std::error_code Error = is_symlink_file(From, IsSymlink))