cmake: Port find_package mode away from GetGeneratorTarget

Source/cmake.cxx

@@ -447,8 +447,8 @@ bool cmake::FindPackage(const std::vector<std::string>& args)
     (cmSystemTools::GetCurrentWorkingDirectory());
   // read in the list file to fill the cache
   snapshot.SetDefaultDefinitions();
-  cmsys::auto_ptr<cmMakefile> mf(new cmMakefile(gg, snapshot));
-  cmsys::auto_ptr<cmLocalGenerator> lg(gg->CreateLocalGenerator(mf.get()));
+  cmMakefile* mf = new cmMakefile(gg, snapshot);
+  gg->AddMakefile(mf);
 
   mf->SetArgcArgv(args);
 
@@ -481,6 +481,8 @@ bool cmake::FindPackage(const std::vector<std::string>& args)
     std::vector<std::string> includeDirs;
     cmSystemTools::ExpandListArgument(includes, includeDirs);
 
+    gg->CreateGenerationObjects();
+    cmLocalGenerator* lg = gg->LocalGenerators[0];
     std::string includeFlags = lg->GetIncludeFlags(includeDirs, 0, language);
 
     std::string definitions = mf->GetSafeDefinition("PACKAGE_DEFINITIONS");
@@ -510,8 +512,9 @@ bool cmake::FindPackage(const std::vector<std::string>& args)
     std::string linkPath;
     std::string flags;
     std::string linkFlags;
-    gg->CreateGeneratorTargets(cmGlobalGenerator::AllTargets, lg.get());
-    cmGeneratorTarget *gtgt = gg->GetGeneratorTarget(tgt);
+    gg->CreateGenerationObjects();
+    cmGeneratorTarget *gtgt = gg->FindGeneratorTarget(tgt->GetName());
+    cmLocalGenerator* lg = gtgt->GetLocalGenerator();
     lg->GetTargetFlags(linkLibs, frameworkPath, linkPath, flags, linkFlags,
                        gtgt, false);
     linkLibs = frameworkPath + linkPath + linkLibs;