[libcxx-commits] [libcxx] [libc++] Assume that <atomic> is available (PR #199674)

[Louis Dionne via libcxx-commits]

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@@ -22,6 +22,11 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
+// FIXME: Do we actually want to allow users to change the flag type used?
+#ifndef _LIBCPP_ATOMIC_FLAG_TYPE
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ldionne wrote:

No, I don't think this is something we support or ever supported? Probably just how the code was originally written?

I also did a search and couldn't find anything that was setting this macro.

https://github.com/llvm/llvm-project/pull/199674