cmLocalGenerator: modernize memory management

23 files changed, 205 insertions, 190 deletions

diff --git a/Source/cmComputeTargetDepends.cxx b/Source/cmComputeTargetDepends.cxx
index 162bab2..c22cf4a 100644
--- a/Source/cmComputeTargetDepends.cxx
+++ b/Source/cmComputeTargetDepends.cxx
@@ -4,6 +4,7 @@
 
 #include <cassert>
 #include <cstdio>
+#include <memory>
 #include <sstream>
 #include <utility>
 
@@ -160,12 +161,10 @@ void cmComputeTargetDepends::CollectTargets()
   std::vector<cmLocalGenerator*> const& lgens =
     this->GlobalGenerator->GetLocalGenerators();
   for (cmLocalGenerator* lgen : lgens) {
-    const std::vector<cmGeneratorTarget*>& targets =
-      lgen->GetGeneratorTargets();
-    for (cmGeneratorTarget const* ti : targets) {
+    for (const auto& ti : lgen->GetGeneratorTargets()) {
       int index = static_cast<int>(this->Targets.size());
-      this->TargetIndex[ti] = index;
-      this->Targets.push_back(ti);
+      this->TargetIndex[ti.get()] = index;
+      this->Targets.push_back(ti.get());
     }
   }
 }
diff --git a/Source/cmExtraCodeBlocksGenerator.cxx b/Source/cmExtraCodeBlocksGenerator.cxx
index 5a5d959..d1da2d7 100644
--- a/Source/cmExtraCodeBlocksGenerator.cxx
+++ b/Source/cmExtraCodeBlocksGenerator.cxx
@@ -3,6 +3,7 @@
 #include "cmExtraCodeBlocksGenerator.h"
 
 #include <map>
+#include <memory>
 #include <ostream>
 #include <set>
 #include <utility>
@@ -283,8 +284,8 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
   // add all executable and library targets and some of the GLOBAL
   // and UTILITY targets
   for (cmLocalGenerator* lg : lgs) {
-    const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
-    for (cmGeneratorTarget* target : targets) {
+    const auto& targets = lg->GetGeneratorTargets();
+    for (const auto& target : targets) {
       std::string targetName = target->GetName();
       switch (target->GetType()) {
         case cmStateEnums::GLOBAL_TARGET: {
@@ -315,7 +316,7 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
         case cmStateEnums::SHARED_LIBRARY:
         case cmStateEnums::MODULE_LIBRARY:
         case cmStateEnums::OBJECT_LIBRARY: {
-          cmGeneratorTarget* gt = target;
+          cmGeneratorTarget* gt = target.get();
           this->AppendTarget(xml, targetName, gt, make, lg, compiler,
                              makeArgs);
           std::string fastTarget = cmStrCat(targetName, "/fast");
@@ -341,8 +342,8 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
 
   for (cmLocalGenerator* lg : lgs) {
     cmMakefile* makefile = lg->GetMakefile();
-    const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
-    for (cmGeneratorTarget* target : targets) {
+    const auto& targets = lg->GetGeneratorTargets();
+    for (const auto& target : targets) {
       switch (target->GetType()) {
         case cmStateEnums::EXECUTABLE:
         case cmStateEnums::STATIC_LIBRARY:
@@ -352,13 +353,12 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
         case cmStateEnums::UTILITY: // can have sources since 2.6.3
         {
           std::vector<cmSourceFile*> sources;
-          cmGeneratorTarget* gt = target;
-          gt->GetSourceFiles(sources,
-                             makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
+          target->GetSourceFiles(
+            sources, makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
           for (cmSourceFile* s : sources) {
             // don't add source files from UTILITY target which have the
             // GENERATED property set:
-            if (gt->GetType() == cmStateEnums::UTILITY &&
+            if (target->GetType() == cmStateEnums::UTILITY &&
                 s->GetIsGenerated()) {
               continue;
             }
@@ -391,7 +391,7 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
             }
 
             CbpUnit& cbpUnit = allFiles[fullPath];
-            cbpUnit.Targets.push_back(target);
+            cbpUnit.Targets.push_back(target.get());
           }
         }
         default: // intended fallthrough
diff --git a/Source/cmExtraCodeLiteGenerator.cxx b/Source/cmExtraCodeLiteGenerator.cxx
index c7b7457..269e8dd 100644
--- a/Source/cmExtraCodeLiteGenerator.cxx
+++ b/Source/cmExtraCodeLiteGenerator.cxx
@@ -4,6 +4,7 @@
 
 #include <cstring>
 #include <map>
+#include <memory>
 #include <set>
 #include <sstream>
 #include <utility>
@@ -119,7 +120,7 @@ std::vector<std::string> cmExtraCodeLiteGenerator::CreateProjectsByTarget(
   const std::vector<cmLocalGenerator*>& lgs =
     this->GlobalGenerator->GetLocalGenerators();
   for (cmLocalGenerator* lg : lgs) {
-    for (cmGeneratorTarget* lt : lg->GetGeneratorTargets()) {
+    for (const auto& lt : lg->GetGeneratorTargets()) {
       cmStateEnums::TargetType type = lt->GetType();
       std::string const& outputDir = lg->GetCurrentBinaryDirectory();
       std::string targetName = lt->GetName();
@@ -142,7 +143,7 @@ std::vector<std::string> cmExtraCodeLiteGenerator::CreateProjectsByTarget(
           xml->Attribute("Active", "No");
           xml->EndElement();
 
-          CreateNewProjectFile(lt, filename);
+          CreateNewProjectFile(lt.get(), filename);
           break;
         default:
           break;
@@ -269,9 +270,9 @@ void cmExtraCodeLiteGenerator::CreateNewProjectFile(
 
   for (cmLocalGenerator* lg : lgs) {
     cmMakefile* makefile = lg->GetMakefile();
-    const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
-    for (cmGeneratorTarget* target : targets) {
-      projectType = CollectSourceFiles(makefile, target, cFiles, otherFiles);
+    for (const auto& target : lg->GetGeneratorTargets()) {
+      projectType =
+        CollectSourceFiles(makefile, target.get(), cFiles, otherFiles);
     }
   }
 
diff --git a/Source/cmExtraEclipseCDT4Generator.cxx b/Source/cmExtraEclipseCDT4Generator.cxx
index b286acf..cf79375 100644
--- a/Source/cmExtraEclipseCDT4Generator.cxx
+++ b/Source/cmExtraEclipseCDT4Generator.cxx
@@ -6,6 +6,7 @@
 #include <cassert>
 #include <cstdio>
 #include <map>
+#include <memory>
 #include <sstream>
 #include <utility>
 
@@ -496,9 +497,9 @@ void cmExtraEclipseCDT4Generator::CreateLinksForTargets(cmXMLWriter& xml)
 
   for (cmLocalGenerator* lg : this->GlobalGenerator->GetLocalGenerators()) {
     cmMakefile* makefile = lg->GetMakefile();
-    const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
+    const auto& targets = lg->GetGeneratorTargets();
 
-    for (cmGeneratorTarget* target : targets) {
+    for (const auto& target : targets) {
       std::string linkName2 = cmStrCat(linkName, '/');
       switch (target->GetType()) {
         case cmStateEnums::EXECUTABLE:
@@ -519,10 +520,9 @@ void cmExtraEclipseCDT4Generator::CreateLinksForTargets(cmXMLWriter& xml)
           std::vector<cmSourceGroup> sourceGroups =
             makefile->GetSourceGroups();
           // get the files from the source lists then add them to the groups
-          cmGeneratorTarget* gt = const_cast<cmGeneratorTarget*>(target);
           std::vector<cmSourceFile*> files;
-          gt->GetSourceFiles(files,
-                             makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
+          target->GetSourceFiles(
+            files, makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
           for (cmSourceFile* sf : files) {
             // Add the file to the list of sources.
             std::string const& source = sf->ResolveFullPath();
@@ -860,15 +860,14 @@ void cmExtraEclipseCDT4Generator::CreateCProjectFile() const
   // include dirs
   emmited.clear();
   for (cmLocalGenerator* lgen : this->GlobalGenerator->GetLocalGenerators()) {
-    const std::vector<cmGeneratorTarget*>& targets =
-      lgen->GetGeneratorTargets();
-    for (cmGeneratorTarget* target : targets) {
+    const auto& targets = lgen->GetGeneratorTargets();
+    for (const auto& target : targets) {
       if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
         continue;
       }
       std::vector<std::string> includeDirs;
       std::string config = mf->GetSafeDefinition("CMAKE_BUILD_TYPE");
-      lgen->GetIncludeDirectories(includeDirs, target, "C", config);
+      lgen->GetIncludeDirectories(includeDirs, target.get(), "C", config);
       this->AppendIncludeDirectories(xml, includeDirs, emmited);
     }
   }
@@ -916,15 +915,14 @@ void cmExtraEclipseCDT4Generator::CreateCProjectFile() const
   // add all executable and library targets and some of the GLOBAL
   // and UTILITY targets
   for (cmLocalGenerator* lgen : this->GlobalGenerator->GetLocalGenerators()) {
-    const std::vector<cmGeneratorTarget*>& targets =
-      lgen->GetGeneratorTargets();
+    const auto& targets = lgen->GetGeneratorTargets();
     std::string subdir = lgen->MaybeConvertToRelativePath(
       this->HomeOutputDirectory, lgen->GetCurrentBinaryDirectory());
     if (subdir == ".") {
       subdir.clear();
     }
 
-    for (cmGeneratorTarget* target : targets) {
+    for (const auto& target : targets) {
       std::string targetName = target->GetName();
       switch (target->GetType()) {
         case cmStateEnums::GLOBAL_TARGET: {
@@ -975,8 +973,7 @@ void cmExtraEclipseCDT4Generator::CreateCProjectFile() const
             std::string cleanArgs =
               cmStrCat("-E chdir \"", lgen->GetCurrentBinaryDirectory(),
                        "\" \"", cmSystemTools::GetCMakeCommand(), "\" -P \"");
-            cmGeneratorTarget* gt = target;
-            cleanArgs += lgen->GetTargetDirectory(gt);
+            cleanArgs += lgen->GetTargetDirectory(target.get());
             cleanArgs += "/cmake_clean.cmake\"";
             cmExtraEclipseCDT4Generator::AppendTarget(
               xml, "Clean", cmSystemTools::GetCMakeCommand(), cleanArgs,
diff --git a/Source/cmExtraKateGenerator.cxx b/Source/cmExtraKateGenerator.cxx
index e8c9dd0..bbbc281 100644
--- a/Source/cmExtraKateGenerator.cxx
+++ b/Source/cmExtraKateGenerator.cxx
@@ -3,6 +3,7 @@
 #include "cmExtraKateGenerator.h"
 
 #include <cstring>
+#include <memory>
 #include <ostream>
 #include <set>
 #include <vector>
@@ -111,12 +112,11 @@ void cmExtraKateGenerator::WriteTargets(const cmLocalGenerator* lg,
   // and UTILITY targets
   for (cmLocalGenerator* localGen :
        this->GlobalGenerator->GetLocalGenerators()) {
-    const std::vector<cmGeneratorTarget*>& targets =
-      localGen->GetGeneratorTargets();
+    const auto& targets = localGen->GetGeneratorTargets();
     std::string currentDir = localGen->GetCurrentBinaryDirectory();
     bool topLevel = (currentDir == localGen->GetBinaryDirectory());
 
-    for (cmGeneratorTarget* target : targets) {
+    for (const auto& target : targets) {
       std::string const& targetName = target->GetName();
       switch (target->GetType()) {
         case cmStateEnums::GLOBAL_TARGET: {
diff --git a/Source/cmExtraSublimeTextGenerator.cxx b/Source/cmExtraSublimeTextGenerator.cxx
index 495324c..603fea3 100644
--- a/Source/cmExtraSublimeTextGenerator.cxx
+++ b/Source/cmExtraSublimeTextGenerator.cxx
@@ -3,6 +3,7 @@
 #include "cmExtraSublimeTextGenerator.h"
 
 #include <cstring>
+#include <memory>
 #include <set>
 #include <sstream>
 #include <utility>
@@ -182,8 +183,8 @@ void cmExtraSublimeTextGenerator::AppendAllTargets(
   // and UTILITY targets
   for (cmLocalGenerator* lg : lgs) {
     cmMakefile* makefile = lg->GetMakefile();
-    const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
-    for (cmGeneratorTarget* target : targets) {
+    const auto& targets = lg->GetGeneratorTargets();
+    for (const auto& target : targets) {
       std::string targetName = target->GetName();
       switch (target->GetType()) {
         case cmStateEnums::GLOBAL_TARGET: {
@@ -216,11 +217,11 @@ void cmExtraSublimeTextGenerator::AppendAllTargets(
         case cmStateEnums::SHARED_LIBRARY:
         case cmStateEnums::MODULE_LIBRARY:
         case cmStateEnums::OBJECT_LIBRARY: {
-          this->AppendTarget(fout, targetName, lg, target, make.c_str(),
+          this->AppendTarget(fout, targetName, lg, target.get(), make.c_str(),
                              makefile, compiler.c_str(), sourceFileFlags,
                              false);
           std::string fastTarget = cmStrCat(targetName, "/fast");
-          this->AppendTarget(fout, fastTarget, lg, target, make.c_str(),
+          this->AppendTarget(fout, fastTarget, lg, target.get(), make.c_str(),
                              makefile, compiler.c_str(), sourceFileFlags,
                              false);
         } break;
diff --git a/Source/cmGlobalCommonGenerator.cxx b/Source/cmGlobalCommonGenerator.cxx
index 9fa4467..d6c0a87 100644
--- a/Source/cmGlobalCommonGenerator.cxx
+++ b/Source/cmGlobalCommonGenerator.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmGlobalCommonGenerator.h"
 
+#include <memory>
 #include <utility>
 
 #include "cmGeneratorTarget.h"
@@ -32,7 +33,7 @@ cmGlobalCommonGenerator::ComputeDirectoryTargets() const
 
     // The directory-level rule should depend on the target-level rules
     // for all targets in the directory.
-    for (auto gt : lg->GetGeneratorTargets()) {
+    for (const auto& gt : lg->GetGeneratorTargets()) {
       cmStateEnums::TargetType const type = gt->GetType();
       if (type != cmStateEnums::EXECUTABLE &&
           type != cmStateEnums::STATIC_LIBRARY &&
@@ -43,7 +44,7 @@ cmGlobalCommonGenerator::ComputeDirectoryTargets() const
         continue;
       }
       DirectoryTarget::Target t;
-      t.GT = gt;
+      t.GT = gt.get();
       if (const char* exclude = gt->GetProperty("EXCLUDE_FROM_ALL")) {
         if (cmIsOn(exclude)) {
           // This target has been explicitly excluded.
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 2efafc6..d903289 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -10,6 +10,9 @@
 #include <initializer_list>
 #include <iterator>
 #include <sstream>
+#include <utility>
+
+#include <cm/memory>
 
 #include "cmsys/Directory.hxx"
 #include "cmsys/FStream.hxx"
@@ -296,7 +299,7 @@ bool cmGlobalGenerator::CheckTargetsForMissingSources() const
 {
   bool failed = false;
   for (cmLocalGenerator* localGen : this->LocalGenerators) {
-    for (cmGeneratorTarget* target : localGen->GetGeneratorTargets()) {
+    for (const auto& target : localGen->GetGeneratorTargets()) {
       if (target->GetType() == cmStateEnums::TargetType::GLOBAL_TARGET ||
           target->GetType() == cmStateEnums::TargetType::INTERFACE_LIBRARY ||
           target->GetType() == cmStateEnums::TargetType::UTILITY ||
@@ -336,7 +339,7 @@ bool cmGlobalGenerator::CheckTargetsForType() const
   }
   bool failed = false;
   for (cmLocalGenerator* generator : this->LocalGenerators) {
-    for (cmGeneratorTarget* target : generator->GetGeneratorTargets()) {
+    for (const auto& target : generator->GetGeneratorTargets()) {
       if (target->GetType() == cmStateEnums::EXECUTABLE &&
           target->GetPropertyAsBool("WIN32_EXECUTABLE")) {
         std::vector<std::string> const& configs =
@@ -364,7 +367,7 @@ bool cmGlobalGenerator::CheckTargetsForPchCompilePdb() const
   }
   bool failed = false;
   for (cmLocalGenerator* generator : this->LocalGenerators) {
-    for (cmGeneratorTarget* target : generator->GetGeneratorTargets()) {
+    for (const auto& target : generator->GetGeneratorTargets()) {
       if (target->GetType() == cmStateEnums::TargetType::GLOBAL_TARGET ||
           target->GetType() == cmStateEnums::TargetType::INTERFACE_LIBRARY ||
           target->GetType() == cmStateEnums::TargetType::UTILITY ||
@@ -1557,12 +1560,12 @@ bool cmGlobalGenerator::AddAutomaticSources()
 {
   for (cmLocalGenerator* lg : this->LocalGenerators) {
     lg->CreateEvaluationFileOutputs();
-    for (cmGeneratorTarget* gt : lg->GetGeneratorTargets()) {
+    for (const auto& gt : lg->GetGeneratorTargets()) {
       if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
         continue;
       }
-      lg->AddUnityBuild(gt);
-      lg->AddPchDependencies(gt);
+      lg->AddUnityBuild(gt.get());
+      lg->AddPchDependencies(gt.get());
     }
   }
   return true;
@@ -1650,8 +1653,7 @@ void cmGlobalGenerator::CreateGeneratorTargets(
   if (targetTypes == AllTargets) {
     for (auto& target : mf->GetTargets()) {
       cmTarget* t = &target.second;
-      cmGeneratorTarget* gt = new cmGeneratorTarget(t, lg);
-      lg->AddGeneratorTarget(gt);
+      lg->AddGeneratorTarget(cm::make_unique<cmGeneratorTarget>(t, lg));
     }
   }
 
@@ -1667,9 +1669,9 @@ void cmGlobalGenerator::CreateGeneratorTargets(TargetTypes targetTypes)
     cmMakefile* mf = this->Makefiles[i];
     for (cmTarget* ownedImpTgt : mf->GetOwnedImportedTargets()) {
       cmLocalGenerator* lg = this->LocalGenerators[i];
-      cmGeneratorTarget* gt = new cmGeneratorTarget(ownedImpTgt, lg);
-      lg->AddOwnedImportedGeneratorTarget(gt);
-      importedMap[ownedImpTgt] = gt;
+      auto gt = cm::make_unique<cmGeneratorTarget>(ownedImpTgt, lg);
+      importedMap[ownedImpTgt] = gt.get();
+      lg->AddOwnedImportedGeneratorTarget(std::move(gt));
     }
   }
 
@@ -2766,15 +2768,15 @@ void cmGlobalGenerator::GetTargetSets(TargetDependSet& projectTargets,
       continue;
     }
     // loop over all the generator targets in the makefile
-    for (cmGeneratorTarget* target : generator->GetGeneratorTargets()) {
-      if (this->IsRootOnlyTarget(target) &&
+    for (const auto& target : generator->GetGeneratorTargets()) {
+      if (this->IsRootOnlyTarget(target.get()) &&
           target->GetLocalGenerator() != root) {
         continue;
       }
       // put the target in the set of original targets
-      originalTargets.insert(target);
+      originalTargets.insert(target.get());
       // Get the set of targets that depend on target
-      this->AddTargetDepends(target, projectTargets);
+      this->AddTargetDepends(target.get(), projectTargets);
     }
   }
 }
@@ -2951,11 +2953,11 @@ void cmGlobalGenerator::WriteSummary()
   cmGeneratedFileStream fout(fname);
 
   for (cmLocalGenerator* lg : this->LocalGenerators) {
-    for (cmGeneratorTarget* tgt : lg->GetGeneratorTargets()) {
+    for (const auto& tgt : lg->GetGeneratorTargets()) {
       if (tgt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
         continue;
       }
-      this->WriteSummary(tgt);
+      this->WriteSummary(tgt.get());
       fout << tgt->GetSupportDirectory() << "\n";
     }
   }
diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index 4c2d69f..dfc495e 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -374,16 +374,15 @@ void cmGlobalUnixMakefileGenerator3::WriteMainCMakefileLanguageRules(
   for (cmLocalGenerator* lGenerator : lGenerators) {
     lg = static_cast<cmLocalUnixMakefileGenerator3*>(lGenerator);
     // for all of out targets
-    for (cmGeneratorTarget* tgt : lg->GetGeneratorTargets()) {
+    for (const auto& tgt : lg->GetGeneratorTargets()) {
       if ((tgt->GetType() == cmStateEnums::EXECUTABLE) ||
           (tgt->GetType() == cmStateEnums::STATIC_LIBRARY) ||
           (tgt->GetType() == cmStateEnums::SHARED_LIBRARY) ||
           (tgt->GetType() == cmStateEnums::MODULE_LIBRARY) ||
           (tgt->GetType() == cmStateEnums::OBJECT_LIBRARY) ||
           (tgt->GetType() == cmStateEnums::UTILITY)) {
-        cmGeneratorTarget* gt = tgt;
-        std::string tname =
-          cmStrCat(lg->GetRelativeTargetDirectory(gt), "/DependInfo.cmake");
+        std::string tname = cmStrCat(lg->GetRelativeTargetDirectory(tgt.get()),
+                                     "/DependInfo.cmake");
         cmSystemTools::ConvertToUnixSlashes(tname);
         cmakefileStream << "  \"" << tname << "\"\n";
       }
@@ -549,7 +548,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules(
     cmLocalUnixMakefileGenerator3* lg =
       static_cast<cmLocalUnixMakefileGenerator3*>(localGen);
     // for each target Generate the rule files for each target.
-    for (cmGeneratorTarget* gtarget : lg->GetGeneratorTargets()) {
+    for (const auto& gtarget : lg->GetGeneratorTargets()) {
       // Don't emit the same rule twice (e.g. two targets with the same
       // simple name)
       int type = gtarget->GetType();
@@ -580,7 +579,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules(
                           depends, commands, true);
 
         // Add a fast rule to build the target
-        std::string localName = lg->GetRelativeTargetDirectory(gtarget);
+        std::string localName = lg->GetRelativeTargetDirectory(gtarget.get());
         std::string makefileName;
         makefileName = cmStrCat(localName, "/build.make");
         depends.clear();
@@ -595,8 +594,8 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules(
         // Add a local name for the rule to relink the target before
         // installation.
         if (gtarget->NeedRelinkBeforeInstall(lg->GetConfigName())) {
-          makeTargetName =
-            cmStrCat(lg->GetRelativeTargetDirectory(gtarget), "/preinstall");
+          makeTargetName = cmStrCat(
+            lg->GetRelativeTargetDirectory(gtarget.get()), "/preinstall");
           localName = cmStrCat(name, "/preinstall");
           depends.clear();
           commands.clear();
@@ -625,7 +624,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
   }
 
   // for each target Generate the rule files for each target.
-  for (cmGeneratorTarget* gtarget : lg->GetGeneratorTargets()) {
+  for (const auto& gtarget : lg->GetGeneratorTargets()) {
     int type = gtarget->GetType();
     std::string name = gtarget->GetName();
     if (!name.empty() &&
@@ -637,7 +636,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
          (type == cmStateEnums::UTILITY))) {
       std::string makefileName;
       // Add a rule to build the target by name.
-      localName = lg->GetRelativeTargetDirectory(gtarget);
+      localName = lg->GetRelativeTargetDirectory(gtarget.get());
       makefileName = cmStrCat(localName, "/build.make");
 
       lg->WriteDivider(ruleFileStream);
@@ -661,7 +660,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
       {
         std::ostringstream progressArg;
         const char* sep = "";
-        for (unsigned long progFile : this->ProgressMap[gtarget].Marks) {
+        for (unsigned long progFile : this->ProgressMap[gtarget.get()].Marks) {
           progressArg << sep << progFile;
           sep = ",";
         }
@@ -680,7 +679,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
                        cmLocalUnixMakefileGenerator3::EchoNormal, &progress);
       }
 
-      this->AppendGlobalTargetDepends(depends, gtarget);
+      this->AppendGlobalTargetDepends(depends, gtarget.get());
       lg->WriteMakeRule(ruleFileStream, "All Build rule for target.",
                         localName, depends, commands, true);
 
@@ -697,7 +696,8 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
           cmOutputConverter::SHELL);
         //
         std::set<cmGeneratorTarget const*> emitted;
-        progCmd << " " << this->CountProgressMarksInTarget(gtarget, emitted);
+        progCmd << " "
+                << this->CountProgressMarksInTarget(gtarget.get(), emitted);
         commands.push_back(progCmd.str());
       }
       std::string tmp = "CMakeFiles/Makefile2";
@@ -715,7 +715,8 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
       if (regenerate) {
         depends.emplace_back("cmake_check_build_system");
       }
-      localName = cmStrCat(lg->GetRelativeTargetDirectory(gtarget), "/rule");
+      localName =
+        cmStrCat(lg->GetRelativeTargetDirectory(gtarget.get()), "/rule");
       lg->WriteMakeRule(ruleFileStream,
                         "Build rule for subdir invocation for target.",
                         localName, depends, commands, true);
@@ -729,8 +730,8 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
 
       // Add rules to prepare the target for installation.
       if (gtarget->NeedRelinkBeforeInstall(lg->GetConfigName())) {
-        localName =
-          cmStrCat(lg->GetRelativeTargetDirectory(gtarget), "/preinstall");
+        localName = cmStrCat(lg->GetRelativeTargetDirectory(gtarget.get()),
+                             "/preinstall");
         depends.clear();
         commands.clear();
         commands.push_back(lg->GetRecursiveMakeCall(makefileName, localName));
@@ -740,7 +741,7 @@ void cmGlobalUnixMakefileGenerator3::WriteConvenienceRules2(
       }
 
       // add the clean rule
-      localName = lg->GetRelativeTargetDirectory(gtarget);
+      localName = lg->GetRelativeTargetDirectory(gtarget.get());
       makeTargetName = cmStrCat(localName, "/clean");
       depends.clear();
       commands.clear();
@@ -760,7 +761,7 @@ void cmGlobalUnixMakefileGenerator3::InitializeProgressMarks()
   this->DirectoryTargetsMap.clear();
   // Loop over all targets in all local generators.
   for (cmLocalGenerator* lg : this->LocalGenerators) {
-    for (cmGeneratorTarget* gt : lg->GetGeneratorTargets()) {
+    for (const auto& gt : lg->GetGeneratorTargets()) {
       cmLocalGenerator* tlg = gt->GetLocalGenerator();
 
       if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY ||
@@ -778,12 +779,13 @@ void cmGlobalUnixMakefileGenerator3::InitializeProgressMarks()
         // This local generator includes the target.
         std::set<cmGeneratorTarget const*>& targetSet =
           this->DirectoryTargetsMap[csnp];
-        targetSet.insert(gt);
+        targetSet.insert(gt.get());
 
         // Add dependencies of the included target.  An excluded
         // target may still be included if it is a dependency of a
         // non-excluded target.
-        for (cmTargetDepend const& tgtdep : this->GetTargetDirectDepends(gt)) {
+        for (cmTargetDepend const& tgtdep :
+             this->GetTargetDirectDepends(gt.get())) {
           targetSet.insert(tgtdep);
         }
       }
@@ -894,7 +896,7 @@ void cmGlobalUnixMakefileGenerator3::WriteHelpRule(
     // the targets
     if (lg2 == lg || lg->IsRootMakefile()) {
       // for each target Generate the rule files for each target.
-      for (cmGeneratorTarget* target : lg2->GetGeneratorTargets()) {
+      for (const auto& target : lg2->GetGeneratorTargets()) {
         cmStateEnums::TargetType type = target->GetType();
         if ((type == cmStateEnums::EXECUTABLE) ||
             (type == cmStateEnums::STATIC_LIBRARY) ||
diff --git a/Source/cmGlobalVisualStudio8Generator.cxx b/Source/cmGlobalVisualStudio8Generator.cxx
index 8e6125b..d39d42a 100644
--- a/Source/cmGlobalVisualStudio8Generator.cxx
+++ b/Source/cmGlobalVisualStudio8Generator.cxx
@@ -2,6 +2,8 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmGlobalVisualStudio8Generator.h"
 
+#include <cm/memory>
+
 #include "cmCustomCommand.h"
 #include "cmCustomCommandLines.h"
 #include "cmDocumentationEntry.h"
@@ -109,8 +111,9 @@ bool cmGlobalVisualStudio8Generator::AddCheckTarget()
     CMAKE_CHECK_BUILD_SYSTEM_TARGET, cmCommandOrigin::Generator, false,
     no_working_directory, no_byproducts, no_depends, no_commands);
 
-  cmGeneratorTarget* gt = new cmGeneratorTarget(tgt, lg);
-  lg->AddGeneratorTarget(gt);
+  auto ptr = cm::make_unique<cmGeneratorTarget>(tgt, lg);
+  auto gt = ptr.get();
+  lg->AddGeneratorTarget(std::move(ptr));
 
   // Organize in the "predefined targets" folder:
   //
@@ -203,10 +206,9 @@ void cmGlobalVisualStudio8Generator::AddExtraIDETargets()
   cmGlobalVisualStudio7Generator::AddExtraIDETargets();
   if (this->AddCheckTarget()) {
     for (unsigned int i = 0; i < this->LocalGenerators.size(); ++i) {
-      const std::vector<cmGeneratorTarget*>& tgts =
-        this->LocalGenerators[i]->GetGeneratorTargets();
+      const auto& tgts = this->LocalGenerators[i]->GetGeneratorTargets();
       // All targets depend on the build-system check target.
-      for (cmGeneratorTarget const* ti : tgts) {
+      for (const auto& ti : tgts) {
         if (ti->GetName() != CMAKE_CHECK_BUILD_SYSTEM_TARGET) {
           ti->Target->AddUtility(CMAKE_CHECK_BUILD_SYSTEM_TARGET);
         }
diff --git a/Source/cmGlobalVisualStudioGenerator.cxx b/Source/cmGlobalVisualStudioGenerator.cxx
index 5412407..2181994 100644
--- a/Source/cmGlobalVisualStudioGenerator.cxx
+++ b/Source/cmGlobalVisualStudioGenerator.cxx
@@ -7,6 +7,7 @@
 #include <iostream>
 
 #include <cm/iterator>
+#include <cm/memory>
 
 #include <windows.h>
 
@@ -200,8 +201,8 @@ void cmGlobalVisualStudioGenerator::AddExtraIDETargets()
         "ALL_BUILD", cmCommandOrigin::Generator, true, no_working_dir,
         no_byproducts, no_depends, no_commands, false, "Build all projects");
 
-      cmGeneratorTarget* gt = new cmGeneratorTarget(allBuild, gen[0]);
-      gen[0]->AddGeneratorTarget(gt);
+      gen[0]->AddGeneratorTarget(
+        cm::make_unique<cmGeneratorTarget>(allBuild, gen[0]));
 
       //
       // Organize in the "predefined targets" folder:
@@ -212,12 +213,12 @@ void cmGlobalVisualStudioGenerator::AddExtraIDETargets()
 
       // Now make all targets depend on the ALL_BUILD target
       for (cmLocalGenerator const* i : gen) {
-        for (cmGeneratorTarget* tgt : i->GetGeneratorTargets()) {
+        for (const auto& tgt : i->GetGeneratorTargets()) {
           if (tgt->GetType() == cmStateEnums::GLOBAL_TARGET ||
               tgt->IsImported()) {
             continue;
           }
-          if (!this->IsExcluded(gen[0], tgt)) {
+          if (!this->IsExcluded(gen[0], tgt.get())) {
             allBuild->AddUtility(tgt->GetName());
           }
         }
@@ -389,8 +390,8 @@ bool cmGlobalVisualStudioGenerator::ComputeTargetDepends()
   }
   for (auto const& it : this->ProjectMap) {
     for (const cmLocalGenerator* i : it.second) {
-      for (cmGeneratorTarget* ti : i->GetGeneratorTargets()) {
-        this->ComputeVSTargetDepends(ti);
+      for (const auto& ti : i->GetGeneratorTargets()) {
+        this->ComputeVSTargetDepends(ti.get());
       }
     }
   }
diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 998ffa6..7a0ab38 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmGlobalXCodeGenerator.h"
 
+#include <algorithm>
 #include <cassert>
 #include <cstdio>
 #include <cstring>
@@ -412,10 +413,10 @@ void cmGlobalXCodeGenerator::ComputeTargetOrder()
 {
   size_t index = 0;
   auto const& lgens = this->GetLocalGenerators();
-  for (cmLocalGenerator* lgen : lgens) {
-    auto const& targets = lgen->GetGeneratorTargets();
-    for (cmGeneratorTarget const* gt : targets) {
-      this->ComputeTargetOrder(gt, index);
+  for (auto const& lgen : lgens) {
+    const auto& targets = lgen->GetGeneratorTargets();
+    for (const auto& gt : targets) {
+      this->ComputeTargetOrder(gt.get(), index);
     }
   }
   assert(index == this->TargetOrderIndex.size());
@@ -511,8 +512,7 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
     no_byproducts, no_depends,
     cmMakeSingleCommandLine({ "echo", "Build all projects" }));
 
-  cmGeneratorTarget* allBuildGt = new cmGeneratorTarget(allbuild, root);
-  root->AddGeneratorTarget(allBuildGt);
+  root->AddGeneratorTarget(cm::make_unique<cmGeneratorTarget>(allbuild, root));
 
   // Add XCODE depend helper
   std::string dir = root->GetCurrentBinaryDirectory();
@@ -536,14 +536,13 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
       no_working_directory, no_byproducts, no_depends,
       cmMakeSingleCommandLine({ "make", "-f", file }));
 
-    cmGeneratorTarget* checkGt = new cmGeneratorTarget(check, root);
-    root->AddGeneratorTarget(checkGt);
+    root->AddGeneratorTarget(cm::make_unique<cmGeneratorTarget>(check, root));
   }
 
   // now make the allbuild depend on all the non-utility targets
   // in the project
   for (auto& gen : gens) {
-    for (auto target : gen->GetGeneratorTargets()) {
+    for (const auto& target : gen->GetGeneratorTargets()) {
       if (target->GetType() == cmStateEnums::GLOBAL_TARGET) {
         continue;
       }
@@ -567,7 +566,7 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
           cmObjectLibraryCommands::Accept);
       }
 
-      if (!this->IsExcluded(gens[0], target)) {
+      if (!this->IsExcluded(gens[0], target.get())) {
         allbuild->AddUtility(target->GetName());
       }
     }
@@ -1092,8 +1091,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
   cmLocalGenerator* gen, std::vector<cmXCodeObject*>& targets)
 {
   this->SetCurrentLocalGenerator(gen);
-  std::vector<cmGeneratorTarget*> gts =
-    this->CurrentLocalGenerator->GetGeneratorTargets();
+  std::vector<cmGeneratorTarget*> gts;
+  cmAppend(gts, this->CurrentLocalGenerator->GetGeneratorTargets());
   std::sort(gts.begin(), gts.end(),
             [this](cmGeneratorTarget const* l, cmGeneratorTarget const* r) {
               return this->TargetOrderIndex[l] < this->TargetOrderIndex[r];
@@ -1363,9 +1362,9 @@ void cmGlobalXCodeGenerator::ForceLinkerLanguages()
 {
   for (auto localGenerator : this->LocalGenerators) {
     // All targets depend on the build-system check target.
-    for (auto tgt : localGenerator->GetGeneratorTargets()) {
+    for (const auto& tgt : localGenerator->GetGeneratorTargets()) {
       // This makes sure all targets link using the proper language.
-      this->ForceLinkerLanguage(tgt);
+      this->ForceLinkerLanguage(tgt.get());
     }
   }
 }
@@ -2822,7 +2821,7 @@ bool cmGlobalXCodeGenerator::CreateGroups(
   for (auto& generator : generators) {
     cmMakefile* mf = generator->GetMakefile();
     std::vector<cmSourceGroup> sourceGroups = mf->GetSourceGroups();
-    for (auto gtgt : generator->GetGeneratorTargets()) {
+    for (const auto& gtgt : generator->GetGeneratorTargets()) {
       // Same skipping logic here as in CreateXCodeTargets so that we do not
       // end up with (empty anyhow) ZERO_CHECK, install, or test source
       // groups:
@@ -2837,11 +2836,12 @@ bool cmGlobalXCodeGenerator::CreateGroups(
         continue;
       }
 
-      auto addSourceToGroup = [this, mf, gtgt,
+      auto addSourceToGroup = [this, mf, &gtgt,
                                &sourceGroups](std::string const& source) {
         cmSourceGroup* sourceGroup = mf->FindSourceGroup(source, sourceGroups);
-        cmXCodeObject* pbxgroup = this->CreateOrGetPBXGroup(gtgt, sourceGroup);
-        std::string key = GetGroupMapKeyFromPath(gtgt, source);
+        cmXCodeObject* pbxgroup =
+          this->CreateOrGetPBXGroup(gtgt.get(), sourceGroup);
+        std::string key = GetGroupMapKeyFromPath(gtgt.get(), source);
         this->GroupMap[key] = pbxgroup;
       };
 
@@ -2867,7 +2867,7 @@ bool cmGlobalXCodeGenerator::CreateGroups(
 
       // Add the Info.plist we are about to generate for an App Bundle.
       if (gtgt->GetPropertyAsBool("MACOSX_BUNDLE")) {
-        std::string plist = this->ComputeInfoPListLocation(gtgt);
+        std::string plist = this->ComputeInfoPListLocation(gtgt.get());
         cmSourceFile* sf = gtgt->Makefile->GetOrCreateSource(
           plist, true, cmSourceFileLocationKind::Known);
         addSourceToGroup(sf->ResolveFullPath());
diff --git a/Source/cmGraphVizWriter.cxx b/Source/cmGraphVizWriter.cxx
index 7759c5f..9c1a924 100644
--- a/Source/cmGraphVizWriter.cxx
+++ b/Source/cmGraphVizWriter.cxx
@@ -278,12 +278,12 @@ void cmGraphVizWriter::Write()
     sortedGeneratorTargets;
 
   for (cmLocalGenerator const* lg : gg->GetLocalGenerators()) {
-    for (cmGeneratorTarget const* gt : lg->GetGeneratorTargets()) {
+    for (const auto& gt : lg->GetGeneratorTargets()) {
       // Reserved targets have inconsistent names across platforms (e.g. 'all'
       // vs. 'ALL_BUILD'), which can disrupt the traversal ordering.
       // We don't need or want them anyway.
       if (!cmGlobalGenerator::IsReservedTarget(gt->GetName())) {
-        sortedGeneratorTargets.insert(gt);
+        sortedGeneratorTargets.insert(gt.get());
       }
     }
   }
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 4b9b015..50c42af 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2,6 +2,20 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmLocalGenerator.h"
 
+#include <algorithm>
+#include <cassert>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <initializer_list>
+#include <iterator>
+#include <sstream>
+#include <unordered_set>
+#include <utility>
+#include <vector>
+
+#include <cm/string_view>
+
 #include "cmsys/RegularExpression.hxx"
 
 #include "cmAlgorithms.h"
@@ -40,20 +54,6 @@
 #  include "cmCryptoHash.h"
 #endif
 
-#include <algorithm>
-#include <cassert>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <initializer_list>
-#include <iterator>
-#include <sstream>
-#include <unordered_set>
-#include <utility>
-#include <vector>
-
-#include <cm/string_view>
-
 #if defined(__HAIKU__)
 #  include <FindDirectory.h>
 #  include <StorageDefs.h>
@@ -181,11 +181,7 @@ cmRulePlaceholderExpander* cmLocalGenerator::CreateRulePlaceholderExpander()
                                        this->LinkerSysroot);
 }
 
-cmLocalGenerator::~cmLocalGenerator()
-{
-  cmDeleteAll(this->GeneratorTargets);
-  cmDeleteAll(this->OwnedImportedGeneratorTargets);
-}
+cmLocalGenerator::~cmLocalGenerator() = default;
 
 void cmLocalGenerator::IssueMessage(MessageType t,
                                     std::string const& text) const
@@ -263,8 +259,8 @@ static void MoveSystemIncludesToEnd(std::vector<BT<std::string>>& includeDirs,
 void cmLocalGenerator::TraceDependencies()
 {
   // Generate the rule files for each target.
-  const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* target : targets) {
+  const auto& targets = this->GetGeneratorTargets();
+  for (const auto& target : targets) {
     if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
@@ -635,11 +631,14 @@ void cmLocalGenerator::GenerateInstallRules()
   }
 }
 
-void cmLocalGenerator::AddGeneratorTarget(cmGeneratorTarget* gt)
+void cmLocalGenerator::AddGeneratorTarget(
+  std::unique_ptr<cmGeneratorTarget> gt)
 {
-  this->GeneratorTargets.push_back(gt);
-  this->GeneratorTargetSearchIndex.emplace(gt->GetName(), gt);
-  this->GlobalGenerator->IndexGeneratorTarget(gt);
+  cmGeneratorTarget* gt_ptr = gt.get();
+
+  this->GeneratorTargets.push_back(std::move(gt));
+  this->GeneratorTargetSearchIndex.emplace(gt_ptr->GetName(), gt_ptr);
+  this->GlobalGenerator->IndexGeneratorTarget(gt_ptr);
 }
 
 void cmLocalGenerator::AddImportedGeneratorTarget(cmGeneratorTarget* gt)
@@ -648,9 +647,10 @@ void cmLocalGenerator::AddImportedGeneratorTarget(cmGeneratorTarget* gt)
   this->GlobalGenerator->IndexGeneratorTarget(gt);
 }
 
-void cmLocalGenerator::AddOwnedImportedGeneratorTarget(cmGeneratorTarget* gt)
+void cmLocalGenerator::AddOwnedImportedGeneratorTarget(
+  std::unique_ptr<cmGeneratorTarget> gt)
 {
-  this->OwnedImportedGeneratorTargets.push_back(gt);
+  this->OwnedImportedGeneratorTargets.push_back(std::move(gt));
 }
 
 cmGeneratorTarget* cmLocalGenerator::FindLocalNonAliasGeneratorTarget(
@@ -673,8 +673,8 @@ void cmLocalGenerator::ComputeTargetManifest()
   }
 
   // Add our targets to the manifest for each configuration.
-  const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* target : targets) {
+  const auto& targets = this->GetGeneratorTargets();
+  for (const auto& target : targets) {
     if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
@@ -694,8 +694,8 @@ bool cmLocalGenerator::ComputeTargetCompileFeatures()
   }
 
   // Process compile features of all targets.
-  const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* target : targets) {
+  const auto& targets = this->GetGeneratorTargets();
+  for (const auto& target : targets) {
     for (std::string const& c : configNames) {
       if (!target->ComputeCompileFeatures(c)) {
         return false;
@@ -2842,8 +2842,8 @@ void cmLocalGenerator::GenerateTargetInstallRules(
 {
   // Convert the old-style install specification from each target to
   // an install generator and run it.
-  const std::vector<cmGeneratorTarget*>& tgts = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* l : tgts) {
+  const auto& tgts = this->GetGeneratorTargets();
+  for (const auto& l : tgts) {
     if (l->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index 12359db..e5c89f9 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -7,6 +7,7 @@
 
 #include <iosfwd>
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <unordered_map>
@@ -143,14 +144,16 @@ public:
                               bool forResponseFile = false,
                               const std::string& config = "");
 
-  const std::vector<cmGeneratorTarget*>& GetGeneratorTargets() const
+  using GeneratorTargetVector =
+    std::vector<std::unique_ptr<cmGeneratorTarget>>;
+  const GeneratorTargetVector& GetGeneratorTargets() const
   {
     return this->GeneratorTargets;
   }
 
-  void AddGeneratorTarget(cmGeneratorTarget* gt);
+  void AddGeneratorTarget(std::unique_ptr<cmGeneratorTarget> gt);
   void AddImportedGeneratorTarget(cmGeneratorTarget* gt);
-  void AddOwnedImportedGeneratorTarget(cmGeneratorTarget* gt);
+  void AddOwnedImportedGeneratorTarget(std::unique_ptr<cmGeneratorTarget> gt);
 
   cmGeneratorTarget* FindLocalNonAliasGeneratorTarget(
     const std::string& name) const;
@@ -461,11 +464,11 @@ protected:
   using GeneratorTargetMap =
     std::unordered_map<std::string, cmGeneratorTarget*>;
   GeneratorTargetMap GeneratorTargetSearchIndex;
-  std::vector<cmGeneratorTarget*> GeneratorTargets;
+  GeneratorTargetVector GeneratorTargets;
 
   std::set<cmGeneratorTarget const*> WarnCMP0063;
   GeneratorTargetMap ImportedGeneratorTargets;
-  std::vector<cmGeneratorTarget*> OwnedImportedGeneratorTargets;
+  GeneratorTargetVector OwnedImportedGeneratorTargets;
   std::map<std::string, std::string> AliasTargets;
 
   std::map<std::string, std::string> Compilers;
diff --git a/Source/cmLocalGhsMultiGenerator.cxx b/Source/cmLocalGhsMultiGenerator.cxx
index 4b10798..29c169f 100644
--- a/Source/cmLocalGhsMultiGenerator.cxx
+++ b/Source/cmLocalGhsMultiGenerator.cxx
@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <utility>
 
+#include "cmAlgorithms.h"
 #include "cmGeneratorTarget.h"
 #include "cmGhsMultiTargetGenerator.h"
 #include "cmGlobalGenerator.h"
@@ -50,10 +51,11 @@ void cmLocalGhsMultiGenerator::GenerateTargetsDepthFirst(
 
 void cmLocalGhsMultiGenerator::Generate()
 {
-  std::vector<cmGeneratorTarget*> remaining = this->GetGeneratorTargets();
+  std::vector<cmGeneratorTarget*> remaining;
+  cmAppend(remaining, this->GetGeneratorTargets());
   for (auto& t : remaining) {
     if (t) {
-      GenerateTargetsDepthFirst(t, remaining);
+      this->GenerateTargetsDepthFirst(t, remaining);
     }
   }
 }
diff --git a/Source/cmLocalNinjaGenerator.cxx b/Source/cmLocalNinjaGenerator.cxx
index 134bbe1..ea500ac 100644
--- a/Source/cmLocalNinjaGenerator.cxx
+++ b/Source/cmLocalNinjaGenerator.cxx
@@ -82,11 +82,11 @@ void cmLocalNinjaGenerator::Generate()
     }
   }
 
-  for (cmGeneratorTarget* target : this->GetGeneratorTargets()) {
+  for (const auto& target : this->GetGeneratorTargets()) {
     if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
-    auto tg = cmNinjaTargetGenerator::New(target);
+    auto tg = cmNinjaTargetGenerator::New(target.get());
     if (tg) {
       tg->Generate();
     }
diff --git a/Source/cmLocalUnixMakefileGenerator3.cxx b/Source/cmLocalUnixMakefileGenerator3.cxx
index 4a70248..ce3be63 100644
--- a/Source/cmLocalUnixMakefileGenerator3.cxx
+++ b/Source/cmLocalUnixMakefileGenerator3.cxx
@@ -121,12 +121,12 @@ void cmLocalUnixMakefileGenerator3::Generate()
   // Generate the rule files for each target.
   cmGlobalUnixMakefileGenerator3* gg =
     static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
-  for (cmGeneratorTarget* target : this->GetGeneratorTargets()) {
+  for (const auto& target : this->GetGeneratorTargets()) {
     if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
     std::unique_ptr<cmMakefileTargetGenerator> tg(
-      cmMakefileTargetGenerator::New(target));
+      cmMakefileTargetGenerator::New(target.get()));
     if (tg) {
       tg->WriteRuleFiles();
       gg->RecordTargetProgress(tg.get());
@@ -157,7 +157,7 @@ void cmLocalUnixMakefileGenerator3::ComputeHomeRelativeOutputPath()
 void cmLocalUnixMakefileGenerator3::GetLocalObjectFiles(
   std::map<std::string, LocalObjectInfo>& localObjectFiles)
 {
-  for (cmGeneratorTarget* gt : this->GetGeneratorTargets()) {
+  for (const auto& gt : this->GetGeneratorTargets()) {
     if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
@@ -165,7 +165,7 @@ void cmLocalUnixMakefileGenerator3::GetLocalObjectFiles(
     gt->GetObjectSources(objectSources, this->ConfigName);
     // Compute full path to object file directory for this target.
     std::string dir = cmStrCat(gt->LocalGenerator->GetCurrentBinaryDirectory(),
-                               '/', this->GetTargetDirectory(gt), '/');
+                               '/', this->GetTargetDirectory(gt.get()), '/');
     // Compute the name of each object file.
     for (cmSourceFile const* sf : objectSources) {
       bool hasSourceExtension = true;
@@ -176,7 +176,7 @@ void cmLocalUnixMakefileGenerator3::GetLocalObjectFiles(
       }
       LocalObjectInfo& info = localObjectFiles[objectName];
       info.HasSourceExtension = hasSourceExtension;
-      info.emplace_back(gt, sf->GetLanguage());
+      info.emplace_back(gt.get(), sf->GetLanguage());
     }
   }
 }
@@ -352,7 +352,7 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefileTargets(
   // for each target we just provide a rule to cd up to the top and do a make
   // on the target
   std::string localName;
-  for (cmGeneratorTarget* target : this->GetGeneratorTargets()) {
+  for (const auto& target : this->GetGeneratorTargets()) {
     if ((target->GetType() == cmStateEnums::EXECUTABLE) ||
         (target->GetType() == cmStateEnums::STATIC_LIBRARY) ||
         (target->GetType() == cmStateEnums::SHARED_LIBRARY) ||
@@ -362,7 +362,8 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefileTargets(
       emitted.insert(target->GetName());
 
       // for subdirs add a rule to build this specific target by name.
-      localName = cmStrCat(this->GetRelativeTargetDirectory(target), "/rule");
+      localName =
+        cmStrCat(this->GetRelativeTargetDirectory(target.get()), "/rule");
       commands.clear();
       depends.clear();
 
@@ -383,11 +384,11 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefileTargets(
       }
 
       // Add a fast rule to build the target
-      std::string makefileName =
-        cmStrCat(this->GetRelativeTargetDirectory(target), "/build.make");
+      std::string makefileName = cmStrCat(
+        this->GetRelativeTargetDirectory(target.get()), "/build.make");
       // make sure the makefile name is suitable for a makefile
       std::string makeTargetName =
-        cmStrCat(this->GetRelativeTargetDirectory(target), "/build");
+        cmStrCat(this->GetRelativeTargetDirectory(target.get()), "/build");
       localName = cmStrCat(target->GetName(), "/fast");
       depends.clear();
       commands.clear();
@@ -401,8 +402,8 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefileTargets(
       // Add a local name for the rule to relink the target before
       // installation.
       if (target->NeedRelinkBeforeInstall(this->ConfigName)) {
-        makeTargetName =
-          cmStrCat(this->GetRelativeTargetDirectory(target), "/preinstall");
+        makeTargetName = cmStrCat(
+          this->GetRelativeTargetDirectory(target.get()), "/preinstall");
         localName = cmStrCat(target->GetName(), "/preinstall");
         depends.clear();
         commands.clear();
@@ -1551,8 +1552,8 @@ void cmLocalUnixMakefileGenerator3::WriteLocalAllRules(
   this->WriteDivider(ruleFileStream);
   ruleFileStream << "# Targets provided globally by CMake.\n"
                  << "\n";
-  const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* gt : targets) {
+  const auto& targets = this->GetGeneratorTargets();
+  for (const auto& gt : targets) {
     if (gt->GetType() == cmStateEnums::GLOBAL_TARGET) {
       std::string targetString =
         "Special rule for the target " + gt->GetName();
@@ -1573,10 +1574,10 @@ void cmLocalUnixMakefileGenerator3::WriteLocalAllRules(
       // Global targets store their rules in pre- and post-build commands.
       this->AppendCustomDepends(depends, gt->GetPreBuildCommands());
       this->AppendCustomDepends(depends, gt->GetPostBuildCommands());
-      this->AppendCustomCommands(commands, gt->GetPreBuildCommands(), gt,
-                                 this->GetCurrentBinaryDirectory());
-      this->AppendCustomCommands(commands, gt->GetPostBuildCommands(), gt,
+      this->AppendCustomCommands(commands, gt->GetPreBuildCommands(), gt.get(),
                                  this->GetCurrentBinaryDirectory());
+      this->AppendCustomCommands(commands, gt->GetPostBuildCommands(),
+                                 gt.get(), this->GetCurrentBinaryDirectory());
       std::string targetName = gt->GetName();
       this->WriteMakeRule(ruleFileStream, targetString.c_str(), targetName,
                           depends, commands, true);
diff --git a/Source/cmLocalVisualStudio10Generator.cxx b/Source/cmLocalVisualStudio10Generator.cxx
index f3d828b..d9c4ce0 100644
--- a/Source/cmLocalVisualStudio10Generator.cxx
+++ b/Source/cmLocalVisualStudio10Generator.cxx
@@ -4,6 +4,7 @@
 
 #include "cm_expat.h"
 
+#include "cmAlgorithms.h"
 #include "cmGeneratorTarget.h"
 #include "cmGlobalVisualStudio10Generator.h"
 #include "cmMakefile.h"
@@ -101,10 +102,11 @@ void cmLocalVisualStudio10Generator::GenerateTargetsDepthFirst(
 
 void cmLocalVisualStudio10Generator::Generate()
 {
-  std::vector<cmGeneratorTarget*> remaining = this->GetGeneratorTargets();
+  std::vector<cmGeneratorTarget*> remaining;
+  cmAppend(remaining, this->GetGeneratorTargets());
   for (auto& t : remaining) {
     if (t) {
-      GenerateTargetsDepthFirst(t, remaining);
+      this->GenerateTargetsDepthFirst(t, remaining);
     }
   }
   this->WriteStampFiles();
diff --git a/Source/cmLocalVisualStudio7Generator.cxx b/Source/cmLocalVisualStudio7Generator.cxx
index fd346df..672b190 100644
--- a/Source/cmLocalVisualStudio7Generator.cxx
+++ b/Source/cmLocalVisualStudio7Generator.cxx
@@ -64,8 +64,8 @@ cmLocalVisualStudio7Generator::~cmLocalVisualStudio7Generator()
 void cmLocalVisualStudio7Generator::AddHelperCommands()
 {
   // Now create GUIDs for targets
-  const std::vector<cmGeneratorTarget*>& tgts = this->GetGeneratorTargets();
-  for (cmGeneratorTarget const* l : tgts) {
+  const auto& tgts = this->GetGeneratorTargets();
+  for (const auto& l : tgts) {
     if (l->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
@@ -89,8 +89,8 @@ void cmLocalVisualStudio7Generator::FixGlobalTargets()
   // Visual Studio .NET 2003 Service Pack 1 will not run post-build
   // commands for targets in which no sources are built.  Add dummy
   // rules to force these targets to build.
-  const std::vector<cmGeneratorTarget*>& tgts = this->GetGeneratorTargets();
-  for (cmGeneratorTarget* l : tgts) {
+  const auto& tgts = this->GetGeneratorTargets();
+  for (auto& l : tgts) {
     if (l->GetType() == cmStateEnums::GLOBAL_TARGET) {
       std::vector<std::string> no_depends;
       cmCustomCommandLines force_commands =
@@ -125,17 +125,17 @@ void cmLocalVisualStudio7Generator::WriteProjectFiles()
   }
 
   // Get the set of targets in this directory.
-  const std::vector<cmGeneratorTarget*>& tgts = this->GetGeneratorTargets();
+  const auto& tgts = this->GetGeneratorTargets();
 
   // Create the project file for each target.
-  for (cmGeneratorTarget* l : tgts) {
+  for (const auto& l : tgts) {
     if (l->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
       continue;
     }
     // INCLUDE_EXTERNAL_MSPROJECT command only affects the workspace
     // so don't build a projectfile for it
     if (!l->GetProperty("EXTERNAL_MSPROJECT")) {
-      this->CreateSingleVCProj(l->GetName(), l);
+      this->CreateSingleVCProj(l->GetName(), l.get());
     }
   }
 }
diff --git a/Source/cmLocalXCodeGenerator.cxx b/Source/cmLocalXCodeGenerator.cxx
index 5a06d4a..ac0d35e 100644
--- a/Source/cmLocalXCodeGenerator.cxx
+++ b/Source/cmLocalXCodeGenerator.cxx
@@ -40,7 +40,7 @@ void cmLocalXCodeGenerator::Generate()
 {
   cmLocalGenerator::Generate();
 
-  for (auto target : this->GetGeneratorTargets()) {
+  for (const auto& target : this->GetGeneratorTargets()) {
     target->HasMacOSXRpathInstallNameDir("");
   }
 }
@@ -49,7 +49,7 @@ void cmLocalXCodeGenerator::GenerateInstallRules()
 {
   cmLocalGenerator::GenerateInstallRules();
 
-  for (auto target : this->GetGeneratorTargets()) {
+  for (const auto& target : this->GetGeneratorTargets()) {
     target->HasMacOSXRpathInstallNameDir("");
   }
 }
diff --git a/Source/cmQtAutoGenGlobalInitializer.cxx b/Source/cmQtAutoGenGlobalInitializer.cxx
index ef6b886..4792860 100644
--- a/Source/cmQtAutoGenGlobalInitializer.cxx
+++ b/Source/cmQtAutoGenGlobalInitializer.cxx
@@ -73,7 +73,7 @@ cmQtAutoGenGlobalInitializer::cmQtAutoGenGlobalInitializer(
     }
 
     // Find targets that require AUTOMOC/UIC/RCC processing
-    for (cmGeneratorTarget* target : localGen->GetGeneratorTargets()) {
+    for (const auto& target : localGen->GetGeneratorTargets()) {
       // Process only certain target types
       switch (target->GetType()) {
         case cmStateEnums::EXECUTABLE:
@@ -104,7 +104,7 @@ cmQtAutoGenGlobalInitializer::cmQtAutoGenGlobalInitializer(
           target->GetSafeProperty(kw().AUTORCC_EXECUTABLE);
 
         // We support Qt4, Qt5 and Qt6
-        auto qtVersion = cmQtAutoGenInitializer::GetQtVersion(target);
+        auto qtVersion = cmQtAutoGenInitializer::GetQtVersion(target.get());
         bool const validQt = (qtVersion.first.Major == 4) ||
           (qtVersion.first.Major == 5) || (qtVersion.first.Major == 6);
 
@@ -135,8 +135,8 @@ cmQtAutoGenGlobalInitializer::cmQtAutoGenGlobalInitializer(
         if (mocIsValid || uicIsValid || rccIsValid) {
           // Create autogen target initializer
           Initializers_.emplace_back(cm::make_unique<cmQtAutoGenInitializer>(
-            this, target, qtVersion.first, mocIsValid, uicIsValid, rccIsValid,
-            globalAutoGenTarget, globalAutoRccTarget));
+            this, target.get(), qtVersion.first, mocIsValid, uicIsValid,
+            rccIsValid, globalAutoGenTarget, globalAutoRccTarget));
         }
       }
     }
@@ -160,7 +160,8 @@ void cmQtAutoGenGlobalInitializer::GetOrCreateGlobalTarget(
       std::vector<std::string>() /*output*/,
       std::vector<std::string>() /*depends*/, cmCustomCommandLines(), false,
       comment.c_str());
-    localGen->AddGeneratorTarget(new cmGeneratorTarget(target, localGen));
+    localGen->AddGeneratorTarget(
+      cm::make_unique<cmGeneratorTarget>(target, localGen));
 
     // Set FOLDER property in the target
     {
diff --git a/Source/cmQtAutoGenInitializer.cxx b/Source/cmQtAutoGenInitializer.cxx
index a20f106..68b7122 100644
--- a/Source/cmQtAutoGenInitializer.cxx
+++ b/Source/cmQtAutoGenInitializer.cxx
@@ -1126,7 +1126,7 @@ bool cmQtAutoGenInitializer::InitAutogenTarget()
       commandLines, false, autogenComment.c_str());
     // Create autogen generator target
     this->LocalGen->AddGeneratorTarget(
-      new cmGeneratorTarget(autogenTarget, this->LocalGen));
+      cm::make_unique<cmGeneratorTarget>(autogenTarget, this->LocalGen));
 
     // Forward origin utilities to autogen target
     if (this->AutogenTarget.DependOrigin) {
@@ -1206,7 +1206,7 @@ bool cmQtAutoGenInitializer::InitRccTargets()
 
         // Create autogen generator target
         this->LocalGen->AddGeneratorTarget(
-          new cmGeneratorTarget(autoRccTarget, this->LocalGen));
+          cm::make_unique<cmGeneratorTarget>(autoRccTarget, this->LocalGen));
 
         // Set FOLDER property in autogen target
         if (!this->TargetsFolder.empty()) {