Newlib names ELAST differently than linux
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@216943 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__config b/include/__config
index c9718cf..b75176c 100644
--- a/include/__config
+++ b/include/__config
@@ -635,6 +635,17 @@
#define _LIBCPP_WCTYPE_IS_MASK
#endif
+#if defined(ELAST)
+#define _LIBCPP_ELAST ELAST
+#elif defined(__linux__)
+#define _LIBCPP_ELAST 4095
+#elif defined(_NEWLIB_VERSION)
+#define _LIBCPP_ELAST __ELASTERROR
+#else
+// Warn here so that the person doing the libcxx port has an easier time:
+#warning This platform's ELAST hasn't been ported yet
+#endif
+
#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1
#endif