__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ is a darwin-specific #define



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56822 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 691f46a..3f477c2 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -428,8 +428,8 @@
   DefineBuiltinMacro(Buf, "__clang__=1");  // Clang Frontend
   
   // Compiler set macros.
+  // Claim to be GCC 4.2.1-5621
   DefineBuiltinMacro(Buf, "__APPLE_CC__=5621");
-  DefineBuiltinMacro(Buf, "__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__=1050");
   DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2");
   DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
   DefineBuiltinMacro(Buf, "__GNUC__=4");