From ad91868aa60740bd834a1c98a7f2440bd06fde1b Mon Sep 17 00:00:00 2001
From: Steve Naroff <snaroff@apple.com>
Date: Thu, 15 May 2008 21:12:10 +0000
Subject: Fix rewriter bug <rdar://problem/5929344> clang ObjC rewriter:
 "extern int __CFConstantStringClassReference[];" should be extern "C".

Have clang predefine OBJC_NEW_PROPERTIES (which is what gcc does).

llvm-svn: 51163
---
 clang/lib/Lex/Preprocessor.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang/lib/Lex/Preprocessor.cpp')

diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index ccc9a8781ff..8dac3f066fa 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -402,6 +402,8 @@ static void InitializePredefinedMacros(Preprocessor &PP,
   DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
   if (PP.getLangOptions().ObjC1)
     DefineBuiltinMacro(Buf, "__OBJC__=1");
+  if (PP.getLangOptions().ObjC2)
+    DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");
 
   // Add __builtin_va_list typedef.
   {
-- 
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