__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/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index eea2695..ae90e35 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -862,13 +862,13 @@
 				DE3985780CB8ADC800223765 /* ASTConsumers.h */,
 				DE39857A0CB8ADCB00223765 /* ASTConsumers.cpp */,
 				DE38CF150D8C9DE000A273B6 /* DiagChecker.cpp */,
+				72D16C210D9975EA00E6DA4A /* HTMLPrint.cpp */,
 				DE5932CF0AD60FF400BC794C /* PrintParserCallbacks.cpp */,
 				DE5932D00AD60FF400BC794C /* PrintPreprocessedOutput.cpp */,
-				352981080CC58344008B5E84 /* SerializationTest.cpp */,
-				72D16C210D9975EA00E6DA4A /* HTMLPrint.cpp */,
 				9030C1090E807A9300941490 /* RewriteBlocks.cpp */,
 				DEA0EBD90DD2D3C8007A02A9 /* RewriteMacros.cpp */,
 				035611E10DB40C8100D2EF2A /* RewriteObjC.cpp */,
+				352981080CC58344008B5E84 /* SerializationTest.cpp */,
 			);
 			name = Driver;
 			sourceTree = "<group>";
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 9454e34..6139f9d 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -42,7 +42,8 @@
 static void getDarwinDefines(std::vector<char> &Defs) {
   Define(Defs, "__APPLE__");
   Define(Defs, "__MACH__");
-
+  Define(Defs, "__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__=1050");
+  
   if (0)  // darwin_pascal_strings
     Define(Defs, "__PASCAL_STRINGS__");
 }
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");