[PATCH] D13673: Add initial support for the MUSL C library.

[Eric Fiselier via cfe-commits]

EricWF added inline comments.

================
Comment at: include/__config:370
@@ -369,2 +369,3 @@
 #elif defined(__linux__)
-#include <features.h>
+#if defined(__GLIBC__)
+# include <features.h>
----------------
jroelofs wrote:
> EricWF wrote:
> > Where does the `__GLIBC__`  macro definition come from? I thought it came from the C library headers but we don't include any!
> No need for the check to look at __GLIBC__ anyway... `_LIBCXX_LIBC_IS_MUSL` would be available here, so you should be testing for: `!defined(_LIBCXX_LIBC_IS_MUSL)` instead (or however that flag ends up being named).
Sounds good to me.


http://reviews.llvm.org/D13673