__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

2 files changed, 3 insertions, 2 deletions

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 9454e348a9..6139f9d9e0 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -42,7 +42,8 @@ static void getSolarisDefines(std::vector<char> &Defs) {
 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 691f46ac2d..3f477c296c 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -428,8 +428,8 @@ static void InitializePredefinedMacros(Preprocessor &PP,
   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");