Genex: Port implementation detail to cmGeneratorTarget.

Source/cmGeneratorExpressionNode.cxx

@@ -831,8 +831,8 @@ template <typename T>
 std::string
 getLinkedTargetsContent(
   std::vector<T> const &libraries,
-  cmTarget const* target,
-  cmTarget const* headTarget,
+  cmGeneratorTarget const* target,
+  cmGeneratorTarget const* headTarget,
   cmGeneratorExpressionContext *context,
   cmGeneratorExpressionDAGChecker *dagChecker,
   const std::string &interfacePropertyName)
@@ -846,7 +846,7 @@ getLinkedTargetsContent(
     // Broken code can have a target in its own link interface.
     // Don't follow such link interface entries so as not to create a
     // self-referencing loop.
-    if (it->Target && it->Target->Target != target)
+    if (it->Target && it->Target != target)
       {
       depString +=
         sep + "$<TARGET_PROPERTY:" +
@@ -858,8 +858,10 @@ getLinkedTargetsContent(
     {
     linkedTargetsContent =
         cmGeneratorExpressionNode::EvaluateDependentExpression(depString,
-                                        target->GetMakefile(), context,
-                                        headTarget, target, dagChecker);
+                                        target->Target->GetMakefile(),
+                                        context,
+                                        headTarget->Target,
+                                        target->Target, dagChecker);
     }
   linkedTargetsContent =
     cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent);
@@ -1116,8 +1118,8 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
          gtgt->GetLinkInterfaceLibraries(context->Config, gHeadTarget, true))
         {
         linkedTargetsContent =
-          getLinkedTargetsContent(iface->Libraries, target,
-                                  headTarget,
+          getLinkedTargetsContent(iface->Libraries, gtgt,
+                                  gHeadTarget,
                                   context, &dagChecker,
                                   interfacePropertyName);
         }
@@ -1128,8 +1130,8 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
          gtgt->GetLinkImplementationLibraries(context->Config))
         {
         linkedTargetsContent =
-          getLinkedTargetsContent(impl->Libraries, target,
-                                  target,
+          getLinkedTargetsContent(impl->Libraries, gtgt,
+                                  gtgt,
                                   context, &dagChecker,
                                   interfacePropertyName);
         }