Changes to cerrno to protect against the case the ELAST is not defined.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@129255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/cerrno b/include/cerrno
index 0d10188..e8c2e57 100644
--- a/include/cerrno
+++ b/include/cerrno
@@ -30,25 +30,43 @@
#if !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
+#ifdef ELAST
+
const int __elast1 = ELAST+1;
const int __elast2 = ELAST+2;
-#undef ELAST
+
+#else
+
+const int __elast1 = 104;
+const int __elast2 = 105;
+
+#endif
#ifdef ENOTRECOVERABLE
#define EOWNERDEAD __elast1
+
+#ifdef ELAST
+#undef ELAST
#define ELAST EOWNERDEAD
+#endif
#elif defined(EOWNERDEAD)
#define ENOTRECOVERABLE __elast1
+#ifdef ELAST
+#undef ELAST
#define ELAST ENOTRECOVERABLE
+#endif
#else // defined(EOWNERDEAD)
#define EOWNERDEAD __elast1
#define ENOTRECOVERABLE __elast2
+#ifdef ELAST
+#undef ELAST
#define ELAST ENOTRECOVERABLE
+#endif
#endif // defined(EOWNERDEAD)