From 5514b2811b9d5887cec58ce376ac4065eac438f2 Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Thu, 3 Apr 2008 11:11:54 -0400
Subject: [PATCH] BUG: response file must be a copy if different or you get
 relinks every time you run cmake

---
 Source/cmMakefileTargetGenerator.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index b15410b356..ee99b1c7dd 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -1594,6 +1594,7 @@ cmMakefileTargetGenerator
   responseFileNameFull += "/";
   responseFileNameFull += name;
   cmGeneratedFileStream responseStream(responseFileNameFull.c_str());
+  responseStream.SetCopyIfDifferent(true);
   responseStream << options << "\n";
 
   // Add a dependency so the target will rebuild when the set of