From 0266c9bd1979b1136b33b4ca281eca00925e24cb Mon Sep 17 00:00:00 2001
From: Peter Kuemmel <syntheticpp@gmx.net>
Date: Tue, 5 Jun 2012 23:29:29 +0200
Subject: [PATCH] Ninja: check for valid pointer

---
 Source/cmGlobalNinjaGenerator.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 6717c3f70..a91aa15c3 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -449,8 +449,8 @@ void cmGlobalNinjaGenerator
     }
 
   // check for mingw
-  std::string cc = mf->GetDefinition("CMAKE_C_COMPILER");
-  if(cc.find("gcc.exe") != std::string::npos)
+  const char* cc = mf->GetDefinition("CMAKE_C_COMPILER");
+  if(cc && std::string(cc).find("gcc.exe") != std::string::npos)
     {
     UsingMinGW = true;
     }