Silence warning: "NOMINMAX" redefined.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@223391 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/MSVCToolChain.cpp b/lib/Driver/MSVCToolChain.cpp
index b822b7d57ce0b594659904701d6ff427f7af2da2..d6bd5c31ae6e863de1a08436bfe7c379a796c73c 100644 (file)
--- a/lib/Driver/MSVCToolChain.cpp
+++ b/lib/Driver/MSVCToolChain.cpp
@@ -31,7 +31,9 @@
 #ifdef USE_WIN32
   #define WIN32_LEAN_AND_MEAN
   #define NOGDI
-  #define NOMINMAX
+  #ifndef NOMINMAX
+    #define NOMINMAX
+  #endif
   #include <windows.h>
 #endif