[PATCH] D34249: [libc++] Don't use UTIME_OMIT to detect utimensat on Apple

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added inline comments.


================
Comment at: src/experimental/filesystem/operations.cpp:22-24
+#if defined(__APPLE__)
+#include <Availability.h>
+#endif
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dexonsmith wrote:
> I only just noticed you were including Availability.h.  That shouldn't be necessary, since the macros should be defined by the compiler.
__MAC_10_13 et al are defined in `Availability.h`, and `AvailabilityInternal.h` seems to do the `__ENV` dance described above. Are you sure it's not needed?


https://reviews.llvm.org/D34249