cmHeadToLinkInterfaceMap: Port to cmGeneratorTarget.

Source/cmGeneratorTarget.cxx

@@ -4490,7 +4490,7 @@ cmGeneratorTarget::GetLinkInterface(const std::string& config,
     return &hm.begin()->second;
     }
 
-  cmOptionalLinkInterface& iface = hm[head->Target];
+  cmOptionalLinkInterface& iface = hm[head];
   if(!iface.LibrariesDone)
     {
     iface.LibrariesDone = true;
@@ -4642,7 +4642,7 @@ cmGeneratorTarget::GetLinkInterfaceLibraries(const std::string& config,
     return &hm.begin()->second;
     }
 
-  cmOptionalLinkInterface& iface = hm[head->Target];
+  cmOptionalLinkInterface& iface = hm[head];
   if(!iface.LibrariesDone)
     {
     iface.LibrariesDone = true;
@@ -5079,7 +5079,7 @@ cmGeneratorTarget::GetImportLinkInterface(const std::string& config,
     return &hm.begin()->second;
     }
 
-  cmOptionalLinkInterface& iface = hm[headTarget->Target];
+  cmOptionalLinkInterface& iface = hm[headTarget];
   if(!iface.AllDone)
     {
     iface.AllDone = true;

Source/cmLinkItem.h

@@ -15,6 +15,7 @@
 
 #include "cmListFileCache.h"
 
+class cmGeneratorTarget;
 class cmTarget;
 
 // Basic information about each link item.
@@ -97,7 +98,7 @@ struct cmOptionalLinkInterface: public cmLinkInterface
 };
 
 struct cmHeadToLinkInterfaceMap:
-    public std::map<cmTarget const*, cmOptionalLinkInterface>
+    public std::map<cmGeneratorTarget const*, cmOptionalLinkInterface>
 {
 };