From cf8b15a5c1eb32f756cf76f06fd18c23241dd103 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Fri, 3 Dec 2010 12:49:37 -0500
Subject: Ignore files under the CMakeFiles directory

---
 Source/cmMakefile.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 82b0129..feeee2f 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -1793,8 +1793,10 @@ void cmMakefile::CheckForUnused(const char* reason, const char* name) const
     if (this->CheckSystemVars ||
         cmSystemTools::IsSubDirectory(path.c_str(),
                                       this->GetHomeDirectory()) ||
-        cmSystemTools::IsSubDirectory(path.c_str(),
-                                      this->GetHomeOutputDirectory()))
+        (cmSystemTools::IsSubDirectory(path.c_str(),
+                                      this->GetHomeOutputDirectory()) &&
+        !cmSystemTools::IsSubDirectory(path.c_str(),
+                                cmake::GetCMakeFilesDirectory())))
       {
       cmOStringStream msg;
       msg << path << ":" << line << ":" <<
-- 
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