Merge topic 'minor-cleanups'

3942ec32 cmMakefileTargetGenerator: Remove unused variable.
a034dc0d cmGeneratorExpressionNode: Remove unused variable.
aeb74ae9 Fix include guard.

Source/cmExportTryCompileFileGenerator.h

@@ -9,8 +9,8 @@
   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   See the License for more information.
 ============================================================================*/
-#ifndef cmExportInstallFileGenerator_h
-#define cmExportInstallFileGenerator_h
+#ifndef cmExportTryCompileFileGenerator_h
+#define cmExportTryCompileFileGenerator_h
 
 #include "cmExportFileGenerator.h"
 

Source/cmGeneratorExpressionNode.cxx

@@ -1369,8 +1369,6 @@ static const struct CompileFeaturesNode : public cmGeneratorExpressionNode
 
     bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries();
 
-    std::string result;
-
     for (LangMap::const_iterator lit = testedFeatures.begin();
           lit != testedFeatures.end(); ++lit)
       {

Source/cmMakefileTargetGenerator.cxx

@@ -414,7 +414,6 @@ void cmMakefileTargetGenerator
   // we compute some depends when writing the depend.make that we will also
   // use in the build.make, same with depMakeFile
   std::vector<std::string> depends;
-  std::string depMakeFile;
 
   // generate the build rule file
   this->WriteObjectBuildFile(obj, lang, source, depends);