From 8060424c40bcb7eeba21d5e365a880ae5e684dfd Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Fri, 15 May 2009 05:13:57 +0000
Subject: [PATCH] Don't #include OSAtomic.h unless we really need it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71837 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/System/Atomic.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/llvm/System/Atomic.h b/include/llvm/System/Atomic.h
index c6d59531917..00179844e5b 100644
--- a/include/llvm/System/Atomic.h
+++ b/include/llvm/System/Atomic.h
@@ -17,8 +17,10 @@
 #include "llvm/Config/config.h"
 #include <stdint.h>
 
-#ifdef __APPLE__
+#if defined(__APPLE__)
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
 #include <libkern/OSAtomic.h>
+#endif
 #elif LLVM_ON_WIN32
 #include <windows.h>
 #endif
-- 
2.34.1