ENH: LINK_LIBRARIES(abc) will automatically add the path to abc to the

link directories, if the path is known.

Source/cmLinkLibrariesCommand.cxx

@@ -69,6 +69,12 @@ bool cmLinkLibrariesCommand::InitialPass(std::vector<std::string>& args)
       {
       m_Makefile->AddLinkLibrary(i->c_str());  
       }
+
+    const char* dir = cmCacheManager::GetInstance()->GetCacheValue(i->c_str());
+    if( dir )
+      {
+      m_Makefile->AddLinkDirectory( dir );
+      }
     }
   return true;
 }