diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index d4eb85bc6..f93fc1247 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -412,7 +412,7 @@ cmGlobalXCodeGenerator::AddExtraTargets(cmLocalGenerator* root,
   std::string listfile = mf->GetStartDirectory();
   listfile += "/";
   listfile += "CMakeLists.txt";
-  allbuild->AddSource(listfile.c_str());
+  allbuild->AddSourceCMP0049(listfile.c_str());
 
   // Add XCODE depend helper
   std::string dir = mf->GetCurrentOutputDirectory();
@@ -495,7 +495,7 @@ cmGlobalXCodeGenerator::AddExtraTargets(cmLocalGenerator* root,
       listfile = lg->GetMakefile()->GetStartDirectory();
       listfile += "/";
       listfile += "CMakeLists.txt";
-      target.AddSource(listfile.c_str());
+      target.AddSourceCMP0049(listfile.c_str());
       }
     }
 }
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index dce71de50..1fcbcd783 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -1266,7 +1266,7 @@ cmMakefile::AddUtilityCommand(const std::string& utilityName,
                                  commandLines, comment,
                                  workingDirectory, no_replace,
                                  escapeOldStyle);
-  cmSourceFile* sf = target->AddSource(force);
+  cmSourceFile* sf = target->AddSourceCMP0049(force);
 
   // The output is not actually created so mark it symbolic.
   if(sf)
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index a7c44888d..835aaad93 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -587,13 +587,13 @@ void cmTarget::AddSources(std::vector<std::string> const& srcs)
       }
     else
       {
-      this->AddSource(src);
+      this->AddSourceCMP0049(src);
       }
     }
 }
 
 //----------------------------------------------------------------------------
-cmSourceFile* cmTarget::AddSource(const std::string& s)
+cmSourceFile* cmTarget::AddSourceCMP0049(const std::string& s)
 {
   std::string src = s;
 
@@ -632,7 +632,12 @@ cmSourceFile* cmTarget::AddSource(const std::string& s)
         }
       }
     }
+  return this->AddSource(src);
+}
 
+//----------------------------------------------------------------------------
+cmSourceFile* cmTarget::AddSource(const std::string& src)
+{
   cmSourceFile* sf = this->Makefile->GetOrCreateSource(src);
   this->AddSourceFile(sf);
   return sf;
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index 3ef853bbc..e38544306 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -146,6 +146,7 @@ public:
    * Add sources to the target.
    */
   void AddSources(std::vector<std::string> const& srcs);
+  cmSourceFile* AddSourceCMP0049(const std::string& src);
   cmSourceFile* AddSource(const std::string& src);
 
   enum LinkLibraryType {GENERAL, DEBUG, OPTIMIZED};