ENH: Make the LinkLibraries command contribute dependencies towards AddLibraries.

Source/cmAddLibraryCommand.h

@@ -43,6 +43,13 @@ public:
    */
   virtual bool InitialPass(std::vector<std::string> const& args);
 
+  /**
+   * This is called at the end after all the information specified by
+   * the command is accumulated. This is where we add in the
+   * dependencies that were globally specified.
+   */
+  virtual void FinalPass();
+
   /**
    * The name of the command as specified in CMakeList.txt.
    */
@@ -72,6 +79,9 @@ public:
     }
   
   cmTypeMacro(cmAddLibraryCommand, cmCommand);
+
+private:
+  std::string m_LibName;
 };