diff --git a/Source/cmVisualStudio10TargetGenerator.h b/Source/cmVisualStudio10TargetGenerator.h
index 71662f0364..77f5b91013 100644
--- a/Source/cmVisualStudio10TargetGenerator.h
+++ b/Source/cmVisualStudio10TargetGenerator.h
@@ -69,6 +69,7 @@ private:
   void WriteProjectReferences();
   bool OutputSourceSpecificFlags(cmSourceFile* source);
   void AddLibraries(cmComputeLinkInformation& cli, std::string& libstring);
+  void WriteLibOptions(std::string const& config);
 private:
   cmTarget* Target;
   cmMakefile* Makefile;