cmGeneratorTarget: Port cmOptionalLinkImplementation

Source/cmGeneratorTarget.cxx

@@ -5560,7 +5560,7 @@ cmGeneratorTarget::GetLinkImplementation(const std::string& config) const
     }
 
   std::string CONFIG = cmSystemTools::UpperCase(config);
-  cmOptionalLinkImplementation& impl = this->LinkImplMap[CONFIG][this->Target];
+  cmOptionalLinkImplementation& impl = this->LinkImplMap[CONFIG][this];
   if(!impl.LibrariesDone)
     {
     impl.LibrariesDone = true;
@@ -5840,7 +5840,7 @@ cmGeneratorTarget::GetLinkImplementationLibrariesInternal(
     return &hm.begin()->second;
     }
 
-  cmOptionalLinkImplementation& impl = hm[head->Target];
+  cmOptionalLinkImplementation& impl = hm[head];
   if(!impl.LibrariesDone)
     {
     impl.LibrariesDone = true;

Source/cmGeneratorTarget.h

@@ -647,7 +647,7 @@ private:
                       const std::string& config) const;
 
   struct HeadToLinkImplementationMap:
-    public std::map<cmTarget const*, cmOptionalLinkImplementation> {};
+    public std::map<cmGeneratorTarget const*, cmOptionalLinkImplementation> {};
   typedef std::map<std::string,
                    HeadToLinkImplementationMap> LinkImplMapType;
   mutable LinkImplMapType LinkImplMap;