clang-tidy: Replace typedef with using

Automate the conversion with

  perl -i -0pe 's/typedef ([^;]*) ([^ ]+);/using $2 = $1;/g'

then manually fix a few places.

85 files changed, 177 insertions, 182 deletions

diff --git a/Source/CPack/IFW/cmCPackIFWGenerator.h b/Source/CPack/IFW/cmCPackIFWGenerator.h
index 0430122..ee3c166 100644
--- a/Source/CPack/IFW/cmCPackIFWGenerator.h
+++ b/Source/CPack/IFW/cmCPackIFWGenerator.h
@@ -29,12 +29,12 @@ class cmCPackIFWGenerator
 public:
   cmCPackTypeMacro(cmCPackIFWGenerator, cmCPackGenerator);
 
-  typedef std::map<std::string, cmCPackIFWPackage> PackagesMap;
-  typedef std::map<std::string, cmCPackIFWRepository> RepositoriesMap;
-  typedef std::map<std::string, cmCPackComponent> ComponentsMap;
-  typedef std::map<std::string, cmCPackComponentGroup> ComponentGoupsMap;
-  typedef std::map<std::string, cmCPackIFWPackage::DependenceStruct>
-    DependenceMap;
+  using PackagesMap = std::map<std::string, cmCPackIFWPackage>;
+  using RepositoriesMap = std::map<std::string, cmCPackIFWRepository>;
+  using ComponentsMap = std::map<std::string, cmCPackComponent>;
+  using ComponentGoupsMap = std::map<std::string, cmCPackComponentGroup>;
+  using DependenceMap =
+    std::map<std::string, cmCPackIFWPackage::DependenceStruct>;
 
   using cmCPackIFWCommon::GetOption;
   using cmCPackIFWCommon::IsOn;
diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.h b/Source/CPack/IFW/cmCPackIFWInstaller.h
index be51fa5..467779e 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.h
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.h
@@ -22,8 +22,8 @@ class cmCPackIFWInstaller : public cmCPackIFWCommon
 public:
   // Types
 
-  typedef std::map<std::string, cmCPackIFWPackage*> PackagesMap;
-  typedef std::vector<cmCPackIFWRepository*> RepositoriesVector;
+  using PackagesMap = std::map<std::string, cmCPackIFWPackage*>;
+  using RepositoriesVector = std::vector<cmCPackIFWRepository*>;
 
 public:
   // Constructor
diff --git a/Source/CPack/IFW/cmCPackIFWRepository.h b/Source/CPack/IFW/cmCPackIFWRepository.h
index 227cfae..585334c 100644
--- a/Source/CPack/IFW/cmCPackIFWRepository.h
+++ b/Source/CPack/IFW/cmCPackIFWRepository.h
@@ -28,7 +28,7 @@ public:
     Replace
   };
 
-  typedef std::vector<cmCPackIFWRepository*> RepositoriesVector;
+  using RepositoriesVector = std::vector<cmCPackIFWRepository*>;
 
 public:
   // Constructor
diff --git a/Source/CPack/WiX/cmCPackWIXGenerator.h b/Source/CPack/WiX/cmCPackWIXGenerator.h
index f8c7644..3b72e38 100644
--- a/Source/CPack/WiX/cmCPackWIXGenerator.h
+++ b/Source/CPack/WiX/cmCPackWIXGenerator.h
@@ -44,9 +44,9 @@ protected:
   bool SupportsComponentInstallation() const override { return true; }
 
 private:
-  typedef std::map<std::string, std::string> id_map_t;
-  typedef std::map<std::string, size_t> ambiguity_map_t;
-  typedef std::set<std::string> extension_set_t;
+  using id_map_t = std::map<std::string, std::string>;
+  using ambiguity_map_t = std::map<std::string, size_t>;
+  using extension_set_t = std::set<std::string>;
 
   enum class DefinitionType
   {
diff --git a/Source/CPack/WiX/cmWIXPatchParser.h b/Source/CPack/WiX/cmWIXPatchParser.h
index 52c7e35..e0e3470 100644
--- a/Source/CPack/WiX/cmWIXPatchParser.h
+++ b/Source/CPack/WiX/cmWIXPatchParser.h
@@ -36,8 +36,8 @@ struct cmWIXPatchElement : cmWIXPatchNode
 
   ~cmWIXPatchElement();
 
-  typedef std::vector<cmWIXPatchNode*> child_list_t;
-  typedef std::map<std::string, std::string> attributes_t;
+  using child_list_t = std::vector<cmWIXPatchNode*>;
+  using attributes_t = std::map<std::string, std::string>;
 
   std::string name;
   child_list_t children;
@@ -50,7 +50,7 @@ struct cmWIXPatchElement : cmWIXPatchNode
 class cmWIXPatchParser : public cmXMLParser
 {
 public:
-  typedef std::map<std::string, cmWIXPatchElement> fragment_map_t;
+  using fragment_map_t = std::map<std::string, cmWIXPatchElement>;
 
   cmWIXPatchParser(fragment_map_t& Fragments, cmCPackLog* logger);
 
diff --git a/Source/CPack/WiX/cmWIXRichTextFormatWriter.cxx b/Source/CPack/WiX/cmWIXRichTextFormatWriter.cxx
index 2c99a22..751f7dc 100644
--- a/Source/CPack/WiX/cmWIXRichTextFormatWriter.cxx
+++ b/Source/CPack/WiX/cmWIXRichTextFormatWriter.cxx
@@ -25,7 +25,7 @@ cmWIXRichTextFormatWriter::~cmWIXRichTextFormatWriter()
 
 void cmWIXRichTextFormatWriter::AddText(std::string const& text)
 {
-  typedef unsigned char rtf_byte_t;
+  using rtf_byte_t = unsigned char;
 
   for (size_t i = 0; i < text.size(); ++i) {
     rtf_byte_t c = rtf_byte_t(text[i]);
diff --git a/Source/CPack/WiX/cmWIXShortcut.h b/Source/CPack/WiX/cmWIXShortcut.h
index 23ddc6a..d9eecdf 100644
--- a/Source/CPack/WiX/cmWIXShortcut.h
+++ b/Source/CPack/WiX/cmWIXShortcut.h
@@ -28,8 +28,8 @@ public:
     STARTUP
   };
 
-  typedef std::vector<cmWIXShortcut> shortcut_list_t;
-  typedef std::map<std::string, shortcut_list_t> shortcut_id_map_t;
+  using shortcut_list_t = std::vector<cmWIXShortcut>;
+  using shortcut_id_map_t = std::map<std::string, shortcut_list_t>;
 
   void insert(Type type, std::string const& id, cmWIXShortcut const& shortcut);
 
@@ -46,7 +46,7 @@ public:
                             cmInstalledFile const& installedFile);
 
 private:
-  typedef std::map<Type, shortcut_id_map_t> shortcut_type_map_t;
+  using shortcut_type_map_t = std::map<Type, shortcut_id_map_t>;
 
   void CreateFromProperty(std::string const& propertyName, Type type,
                           std::string const& id,
diff --git a/Source/CPack/cmCPackArchiveGenerator.h b/Source/CPack/cmCPackArchiveGenerator.h
index 9983854..760b03d 100644
--- a/Source/CPack/cmCPackArchiveGenerator.h
+++ b/Source/CPack/cmCPackArchiveGenerator.h
@@ -22,7 +22,7 @@ class cmCPackComponent;
 class cmCPackArchiveGenerator : public cmCPackGenerator
 {
 public:
-  typedef cmCPackGenerator Superclass;
+  using Superclass = cmCPackGenerator;
 
   /**
    * Construct generator
diff --git a/Source/CPack/cmCPackGenerator.h b/Source/CPack/cmCPackGenerator.h
index 3c06d41..fc00b09 100644
--- a/Source/CPack/cmCPackGenerator.h
+++ b/Source/CPack/cmCPackGenerator.h
@@ -326,7 +326,7 @@ protected:
 };
 
 #define cmCPackTypeMacro(klass, superclass)                                   \
-  typedef superclass Superclass;                                              \
+  using Superclass = superclass;                                              \
   const char* GetNameOfClass() override { return #klass; }                    \
   static cmCPackGenerator* CreateGenerator() { return new klass; }            \
   class cmCPackTypeMacro_UseTrailingSemicolon
diff --git a/Source/CPack/cmCPackGeneratorFactory.h b/Source/CPack/cmCPackGeneratorFactory.h
index 972f0f7..da2eb8d 100644
--- a/Source/CPack/cmCPackGeneratorFactory.h
+++ b/Source/CPack/cmCPackGeneratorFactory.h
@@ -29,7 +29,7 @@ public:
   cmCPackGenerator* NewGenerator(const std::string& name);
   void DeleteGenerator(cmCPackGenerator* gen);
 
-  typedef cmCPackGenerator* CreateGeneratorCall();
+  using CreateGeneratorCall = cmCPackGenerator*();
 
   void RegisterGenerator(const std::string& name,
                          const char* generatorDescription,
@@ -37,7 +37,7 @@ public:
 
   void SetLogger(cmCPackLog* logger) { this->Logger = logger; }
 
-  typedef std::map<std::string, std::string> DescriptionsMap;
+  using DescriptionsMap = std::map<std::string, std::string>;
   const DescriptionsMap& GetGeneratorsList() const
   {
     return this->GeneratorDescriptions;
@@ -47,7 +47,7 @@ private:
   cmCPackGenerator* NewGeneratorInternal(const std::string& name);
   std::vector<cmCPackGenerator*> Generators;
 
-  typedef std::map<std::string, CreateGeneratorCall*> t_GeneratorCreatorsMap;
+  using t_GeneratorCreatorsMap = std::map<std::string, CreateGeneratorCall*>;
   t_GeneratorCreatorsMap GeneratorCreators;
   DescriptionsMap GeneratorDescriptions;
   cmCPackLog* Logger;
diff --git a/Source/CPack/cpack.cxx b/Source/CPack/cpack.cxx
index b4b320d..08681ec 100644
--- a/Source/CPack/cpack.cxx
+++ b/Source/CPack/cpack.cxx
@@ -66,7 +66,7 @@ int cpackUnknownArgument(const char* /*unused*/, void* /*unused*/)
 
 struct cpackDefinitions
 {
-  typedef std::map<std::string, std::string> MapType;
+  using MapType = std::map<std::string, std::string>;
   MapType Map;
   cmCPackLog* Log;
 };
diff --git a/Source/CTest/cmCTestBuildAndTestHandler.h b/Source/CTest/cmCTestBuildAndTestHandler.h
index 2d47b15..d5240aa 100644
--- a/Source/CTest/cmCTestBuildAndTestHandler.h
+++ b/Source/CTest/cmCTestBuildAndTestHandler.h
@@ -22,7 +22,7 @@ class cmake;
 class cmCTestBuildAndTestHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /*
    * The main entry point for this class
diff --git a/Source/CTest/cmCTestBuildHandler.cxx b/Source/CTest/cmCTestBuildHandler.cxx
index 147286e..e07d7aa 100644
--- a/Source/CTest/cmCTestBuildHandler.cxx
+++ b/Source/CTest/cmCTestBuildHandler.cxx
@@ -529,7 +529,7 @@ void cmCTestBuildHandler::GenerateXMLLaunched(cmXMLWriter& xml)
   // Sort XML fragments in chronological order.
   cmFileTimeCache ftc;
   FragmentCompare fragmentCompare(&ftc);
-  typedef std::set<std::string, FragmentCompare> Fragments;
+  using Fragments = std::set<std::string, FragmentCompare>;
   Fragments fragments(fragmentCompare);
 
   // only report the first 50 warnings and first 50 errors
diff --git a/Source/CTest/cmCTestBuildHandler.h b/Source/CTest/cmCTestBuildHandler.h
index 87f1534..ce1d343 100644
--- a/Source/CTest/cmCTestBuildHandler.h
+++ b/Source/CTest/cmCTestBuildHandler.h
@@ -28,8 +28,8 @@ class cmXMLWriter;
 class cmCTestBuildHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
-  typedef cmProcessOutput::Encoding Encoding;
+  using Superclass = cmCTestGenericHandler;
+  using Encoding = cmProcessOutput::Encoding;
 
   /*
    * The main entry point for this class
@@ -111,7 +111,7 @@ private:
   std::vector<cmsys::RegularExpression> WarningMatchRegex;
   std::vector<cmsys::RegularExpression> WarningExceptionRegex;
 
-  typedef std::deque<char> t_BuildProcessingQueueType;
+  using t_BuildProcessingQueueType = std::deque<char>;
 
   void ProcessBuffer(const char* data, size_t length, size_t& tick,
                      size_t tick_len, std::ostream& ofs,
@@ -126,7 +126,7 @@ private:
   std::string SimplifySourceDir;
   std::string SimplifyBuildDir;
   size_t OutputLineCounter;
-  typedef std::vector<cmCTestBuildErrorWarning> t_ErrorsAndWarningsVector;
+  using t_ErrorsAndWarningsVector = std::vector<cmCTestBuildErrorWarning>;
   t_ErrorsAndWarningsVector ErrorsAndWarnings;
   t_ErrorsAndWarningsVector::iterator LastErrorOrWarning;
   size_t PostContextCount;
diff --git a/Source/CTest/cmCTestConfigureHandler.h b/Source/CTest/cmCTestConfigureHandler.h
index 680401c..01fe801 100644
--- a/Source/CTest/cmCTestConfigureHandler.h
+++ b/Source/CTest/cmCTestConfigureHandler.h
@@ -14,7 +14,7 @@
 class cmCTestConfigureHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /*
    * The main entry point for this class
diff --git a/Source/CTest/cmCTestCoverageCommand.h b/Source/CTest/cmCTestCoverageCommand.h
index 08f31f7..24b96c0 100644
--- a/Source/CTest/cmCTestCoverageCommand.h
+++ b/Source/CTest/cmCTestCoverageCommand.h
@@ -42,7 +42,7 @@ public:
    */
   std::string GetName() const override { return "ctest_coverage"; }
 
-  typedef cmCTestHandlerCommand Superclass;
+  using Superclass = cmCTestHandlerCommand;
 
 protected:
   cmCTestGenericHandler* InitializeHandler() override;
diff --git a/Source/CTest/cmCTestCoverageHandler.h b/Source/CTest/cmCTestCoverageHandler.h
index 6492fe9..06aaef7 100644
--- a/Source/CTest/cmCTestCoverageHandler.h
+++ b/Source/CTest/cmCTestCoverageHandler.h
@@ -24,8 +24,8 @@ public:
   int Error;
   std::string SourceDir;
   std::string BinaryDir;
-  typedef std::vector<int> SingleFileCoverageVector;
-  typedef std::map<std::string, SingleFileCoverageVector> TotalCoverageMap;
+  using SingleFileCoverageVector = std::vector<int>;
+  using TotalCoverageMap = std::map<std::string, SingleFileCoverageVector>;
   TotalCoverageMap TotalCoverage;
   std::ostream* OFS;
   bool Quiet;
@@ -37,7 +37,7 @@ public:
 class cmCTestCoverageHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /*
    * The main entry point for this class
@@ -128,12 +128,12 @@ private:
   class LabelSet : public std::set<int>
   {
   };
-  typedef std::map<std::string, LabelSet> LabelMapType;
+  using LabelMapType = std::map<std::string, LabelSet>;
   LabelMapType SourceLabels;
   LabelMapType TargetDirs;
 
   // Map from label name to label id.
-  typedef std::map<std::string, int> LabelIdMapType;
+  using LabelIdMapType = std::map<std::string, int>;
   LabelIdMapType LabelIdMap;
   std::vector<std::string> Labels;
   int GetLabelId(std::string const& label);
diff --git a/Source/CTest/cmCTestGenericHandler.h b/Source/CTest/cmCTestGenericHandler.h
index cf91b4f..793829e 100644
--- a/Source/CTest/cmCTestGenericHandler.h
+++ b/Source/CTest/cmCTestGenericHandler.h
@@ -71,7 +71,7 @@ public:
   cmCTestGenericHandler();
   virtual ~cmCTestGenericHandler();
 
-  typedef std::map<std::string, std::string> t_StringToString;
+  using t_StringToString = std::map<std::string, std::string>;
 
   void SetPersistentOption(const std::string& op, const char* value);
   void SetOption(const std::string& op, const char* value);
diff --git a/Source/CTest/cmCTestMemCheckHandler.h b/Source/CTest/cmCTestMemCheckHandler.h
index 746d72c..4bc655b 100644
--- a/Source/CTest/cmCTestMemCheckHandler.h
+++ b/Source/CTest/cmCTestMemCheckHandler.h
@@ -22,7 +22,7 @@ class cmCTestMemCheckHandler : public cmCTestTestHandler
   friend class cmCTestRunTest;
 
 public:
-  typedef cmCTestTestHandler Superclass;
+  using Superclass = cmCTestTestHandler;
 
   void PopulateCustomVectors(cmMakefile* mf) override;
 
diff --git a/Source/CTest/cmCTestScriptHandler.h b/Source/CTest/cmCTestScriptHandler.h
index b2e8cbf..4a08ad9 100644
--- a/Source/CTest/cmCTestScriptHandler.h
+++ b/Source/CTest/cmCTestScriptHandler.h
@@ -58,7 +58,7 @@ class cmake;
 class cmCTestScriptHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /**
    * Add a script to run, and if is should run in the current process
diff --git a/Source/CTest/cmCTestSubmitCommand.h b/Source/CTest/cmCTestSubmitCommand.h
index 5bbcd39..8562207 100644
--- a/Source/CTest/cmCTestSubmitCommand.h
+++ b/Source/CTest/cmCTestSubmitCommand.h
@@ -37,7 +37,7 @@ public:
    */
   std::string GetName() const override { return "ctest_submit"; }
 
-  typedef cmCTestHandlerCommand Superclass;
+  using Superclass = cmCTestHandlerCommand;
 
 protected:
   cmCTestGenericHandler* InitializeHandler() override;
diff --git a/Source/CTest/cmCTestSubmitHandler.h b/Source/CTest/cmCTestSubmitHandler.h
index e0fed10..31b747b 100644
--- a/Source/CTest/cmCTestSubmitHandler.h
+++ b/Source/CTest/cmCTestSubmitHandler.h
@@ -22,7 +22,7 @@
 class cmCTestSubmitHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   cmCTestSubmitHandler();
   ~cmCTestSubmitHandler() override { this->LogFile = nullptr; }
@@ -59,7 +59,7 @@ private:
                        const std::string& remoteprefix,
                        const std::string& url);
 
-  typedef std::vector<char> cmCTestSubmitHandlerVectorOfChar;
+  using cmCTestSubmitHandlerVectorOfChar = std::vector<char>;
 
   void ParseResponse(cmCTestSubmitHandlerVectorOfChar chunk);
 
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 2b5a406..f67b11a 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -940,7 +940,7 @@ void cmCTestTestHandler::UpdateForFixtures(ListOfTests& tests) const
   // Prepare some maps to help us find setup and cleanup tests for
   // any given fixture
   using TestIterator = ListOfTests::const_iterator;
-  typedef std::multimap<std::string, TestIterator> FixtureDependencies;
+  using FixtureDependencies = std::multimap<std::string, TestIterator>;
   using FixtureDepsIterator = FixtureDependencies::const_iterator;
   FixtureDependencies fixtureSetups;
   FixtureDependencies fixtureCleanups;
diff --git a/Source/CTest/cmCTestTestHandler.h b/Source/CTest/cmCTestTestHandler.h
index 9345185..8f1dafc 100644
--- a/Source/CTest/cmCTestTestHandler.h
+++ b/Source/CTest/cmCTestTestHandler.h
@@ -34,7 +34,7 @@ class cmCTestTestHandler : public cmCTestGenericHandler
   friend class cmCTestMultiProcessHandler;
 
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /**
    * The main entry point for this class
@@ -188,12 +188,11 @@ public:
                                     std::vector<std::string>& extraPaths,
                                     std::vector<std::string>& failed);
 
-  typedef std::vector<cmCTestTestProperties> ListOfTests;
+  using ListOfTests = std::vector<cmCTestTestProperties>;
 
 protected:
-  typedef std::set<cmCTestTestHandler::cmCTestTestResult,
-                   cmCTestTestResultLess>
-    SetOfTests;
+  using SetOfTests =
+    std::set<cmCTestTestHandler::cmCTestTestResult, cmCTestTestResultLess>;
 
   // compute a final test list
   virtual int PreProcessHandler();
@@ -222,7 +221,7 @@ protected:
 
   cmDuration ElapsedTestingTime;
 
-  typedef std::vector<cmCTestTestResult> TestResultsVector;
+  using TestResultsVector = std::vector<cmCTestTestResult>;
   TestResultsVector TestResults;
 
   std::vector<std::string> CustomTestsIgnore;
diff --git a/Source/CTest/cmCTestUpdateHandler.h b/Source/CTest/cmCTestUpdateHandler.h
index 0f51d3f..57b952d 100644
--- a/Source/CTest/cmCTestUpdateHandler.h
+++ b/Source/CTest/cmCTestUpdateHandler.h
@@ -18,7 +18,7 @@
 class cmCTestUpdateHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   /*
    * The main entry point for this class
diff --git a/Source/CTest/cmCTestUploadCommand.h b/Source/CTest/cmCTestUploadCommand.h
index 2bb072f..9e49769 100644
--- a/Source/CTest/cmCTestUploadCommand.h
+++ b/Source/CTest/cmCTestUploadCommand.h
@@ -41,7 +41,7 @@ public:
    */
   std::string GetName() const override { return "ctest_upload"; }
 
-  typedef cmCTestHandlerCommand Superclass;
+  using Superclass = cmCTestHandlerCommand;
 
 protected:
   cmCTestGenericHandler* InitializeHandler() override;
diff --git a/Source/CTest/cmCTestUploadHandler.h b/Source/CTest/cmCTestUploadHandler.h
index 4d8fab4..ff69c6e 100644
--- a/Source/CTest/cmCTestUploadHandler.h
+++ b/Source/CTest/cmCTestUploadHandler.h
@@ -19,7 +19,7 @@
 class cmCTestUploadHandler : public cmCTestGenericHandler
 {
 public:
-  typedef cmCTestGenericHandler Superclass;
+  using Superclass = cmCTestGenericHandler;
 
   cmCTestUploadHandler();
 
diff --git a/Source/QtDialog/QCMake.h b/Source/QtDialog/QCMake.h
index f2fd6d9..fa4451b 100644
--- a/Source/QtDialog/QCMake.h
+++ b/Source/QtDialog/QCMake.h
@@ -50,7 +50,7 @@ struct QCMakeProperty
 };
 
 // list of properties
-typedef QList<QCMakeProperty> QCMakePropertyList;
+using QCMakePropertyList = QList<QCMakeProperty>;
 
 // allow QVariant to be a property or list of properties
 Q_DECLARE_METATYPE(QCMakeProperty)
diff --git a/Source/cmAffinity.cxx b/Source/cmAffinity.cxx
index fa5e4b9..a6d89aa 100644
--- a/Source/cmAffinity.cxx
+++ b/Source/cmAffinity.cxx
@@ -22,7 +22,7 @@
 #    if defined(__linux__)
 using cm_cpuset_t = cpu_set_t;
 #    else
-typedef cpuset_t cm_cpuset_t;
+using cm_cpuset_t = cpuset_t;
 #    endif
 #  endif
 #endif
diff --git a/Source/cmCLocaleEnvironmentScope.h b/Source/cmCLocaleEnvironmentScope.h
index 93032c1..aa2827e 100644
--- a/Source/cmCLocaleEnvironmentScope.h
+++ b/Source/cmCLocaleEnvironmentScope.h
@@ -22,7 +22,7 @@ private:
   std::string GetEnv(std::string const& key);
   void SetEnv(std::string const& key, std::string const& value);
 
-  typedef std::map<std::string, std::string> backup_map_t;
+  using backup_map_t = std::map<std::string, std::string>;
   backup_map_t EnvironmentBackup;
 };
 
diff --git a/Source/cmCacheManager.h b/Source/cmCacheManager.h
index 65f22f7..a988bd8 100644
--- a/Source/cmCacheManager.h
+++ b/Source/cmCacheManager.h
@@ -212,7 +212,7 @@ protected:
   unsigned int CacheMinorVersion;
 
 private:
-  typedef std::map<std::string, CacheEntry> CacheEntryMap;
+  using CacheEntryMap = std::map<std::string, CacheEntry>;
   static void OutputHelpString(std::ostream& fout,
                                const std::string& helpString);
   static void OutputWarningComment(std::ostream& fout,
diff --git a/Source/cmCommonTargetGenerator.h b/Source/cmCommonTargetGenerator.h
index 6b0f74e..17792d6 100644
--- a/Source/cmCommonTargetGenerator.h
+++ b/Source/cmCommonTargetGenerator.h
@@ -50,7 +50,7 @@ protected:
   void AppendOSXVerFlag(std::string& flags, const std::string& lang,
                         const char* name, bool so);
 
-  typedef std::map<std::string, std::string> ByLanguageMap;
+  using ByLanguageMap = std::map<std::string, std::string>;
   std::string GetFlags(const std::string& l);
   ByLanguageMap FlagsByLanguage;
   std::string GetDefines(const std::string& l);
diff --git a/Source/cmCustomCommand.h b/Source/cmCustomCommand.h
index 9a6f239..102b178 100644
--- a/Source/cmCustomCommand.h
+++ b/Source/cmCustomCommand.h
@@ -68,7 +68,7 @@ public:
   /** Backtrace of the command that created this custom command.  */
   cmListFileBacktrace const& GetBacktrace() const;
 
-  typedef std::pair<std::string, std::string> ImplicitDependsPair;
+  using ImplicitDependsPair = std::pair<std::string, std::string>;
   class ImplicitDependsList : public std::vector<ImplicitDependsPair>
   {
   };
diff --git a/Source/cmDepends.h b/Source/cmDepends.h
index b7475f0..d938775 100644
--- a/Source/cmDepends.h
+++ b/Source/cmDepends.h
@@ -24,7 +24,7 @@ class cmLocalGenerator;
 class cmDepends
 {
 public:
-  typedef std::map<std::string, std::vector<std::string>> DependencyMap;
+  using DependencyMap = std::map<std::string, std::vector<std::string>>;
 
 public:
   /** Instances need to know the build directory name and the relative
diff --git a/Source/cmDependsC.h b/Source/cmDependsC.h
index 3fc839e..cbdc276 100644
--- a/Source/cmDependsC.h
+++ b/Source/cmDependsC.h
@@ -59,7 +59,7 @@ protected:
   // Regex to transform #include lines.
   std::string IncludeRegexTransformString;
   cmsys::RegularExpression IncludeRegexTransform;
-  typedef std::map<std::string, std::string> TransformRulesType;
+  using TransformRulesType = std::map<std::string, std::string>;
   TransformRulesType TransformRules;
   void SetupTransforms();
   void ParseTransform(std::string const& xform);
diff --git a/Source/cmDependsFortran.cxx b/Source/cmDependsFortran.cxx
index 8df9938..c30e0bf 100644
--- a/Source/cmDependsFortran.cxx
+++ b/Source/cmDependsFortran.cxx
@@ -46,11 +46,11 @@ public:
   std::set<std::string> TargetProvides;
 
   // Map modules required by this target to locations.
-  typedef std::map<std::string, std::string> TargetRequiresMap;
+  using TargetRequiresMap = std::map<std::string, std::string>;
   TargetRequiresMap TargetRequires;
 
   // Information about each object file.
-  typedef std::map<std::string, cmFortranSourceInfo> ObjectInfoMap;
+  using ObjectInfoMap = std::map<std::string, cmFortranSourceInfo>;
   ObjectInfoMap ObjectInfo;
 
   cmFortranSourceInfo& CreateObjectInfo(const std::string& obj,
diff --git a/Source/cmDuration.h b/Source/cmDuration.h
index 6df1455..ccd1cc1 100644
--- a/Source/cmDuration.h
+++ b/Source/cmDuration.h
@@ -5,7 +5,7 @@
 #include <chrono>
 #include <ratio>
 
-typedef std::chrono::duration<double, std::ratio<1>> cmDuration;
+using cmDuration = std::chrono::duration<double, std::ratio<1>>;
 
 /*
  * This function will return number of seconds in the requested type T.
diff --git a/Source/cmELF.cxx b/Source/cmELF.cxx
index 425f1a8..648a900 100644
--- a/Source/cmELF.cxx
+++ b/Source/cmELF.cxx
@@ -20,11 +20,11 @@
 #elif defined(__HAIKU__)
 #  include <elf32.h>
 #  include <elf64.h>
-typedef struct Elf32_Ehdr Elf32_Ehdr;
-typedef struct Elf32_Shdr Elf32_Shdr;
-typedef struct Elf32_Sym Elf32_Sym;
-typedef struct Elf32_Rel Elf32_Rel;
-typedef struct Elf32_Rela Elf32_Rela;
+using Elf32_Ehdr = struct Elf32_Ehdr;
+using Elf32_Shdr = struct Elf32_Shdr;
+using Elf32_Sym = struct Elf32_Sym;
+using Elf32_Rel = struct Elf32_Rel;
+using Elf32_Rela = struct Elf32_Rela;
 #  define ELFMAG0 0x7F
 #  define ELFMAG1 'E'
 #  define ELFMAG2 'L'
@@ -289,9 +289,8 @@ public:
   }
 
 private:
-  // ByteSwap(ELF_Dyn) assumes d_val and d_ptr are the same size
-  typedef char dyn_size_assert
-    [sizeof(ELF_Dyn().d_un.d_val) == sizeof(ELF_Dyn().d_un.d_ptr) ? 1 : -1];
+  static_assert(sizeof(ELF_Dyn().d_un.d_val) == sizeof(ELF_Dyn().d_un.d_ptr),
+                "ByteSwap(ELF_Dyn) assumes d_val and d_ptr are the same size");
 
   void ByteSwap(ELF_Ehdr& elf_header)
   {
diff --git a/Source/cmELF.h b/Source/cmELF.h
index afef654..123bf9b 100644
--- a/Source/cmELF.h
+++ b/Source/cmELF.h
@@ -68,7 +68,7 @@ public:
   };
 
   /** Represent entire dynamic section header */
-  typedef std::vector<std::pair<long, unsigned long>> DynamicEntryList;
+  using DynamicEntryList = std::vector<std::pair<long, unsigned long>>;
 
   /** Get the type of the file opened.  */
   FileType GetFileType() const;
diff --git a/Source/cmExportFileGenerator.h b/Source/cmExportFileGenerator.h
index 747503e..6fa86ab 100644
--- a/Source/cmExportFileGenerator.h
+++ b/Source/cmExportFileGenerator.h
@@ -62,7 +62,7 @@ public:
   bool GenerateImportFile();
 
 protected:
-  typedef std::map<std::string, std::string> ImportPropertyMap;
+  using ImportPropertyMap = std::map<std::string, std::string>;
 
   // Generate per-configuration target information to the given output
   // stream.
diff --git a/Source/cmExportSetMap.h b/Source/cmExportSetMap.h
index 3853732..0ef07ef 100644
--- a/Source/cmExportSetMap.h
+++ b/Source/cmExportSetMap.h
@@ -13,7 +13,7 @@ class cmExportSet;
 /// A name -> cmExportSet map with overloaded operator[].
 class cmExportSetMap : public std::map<std::string, cmExportSet*>
 {
-  typedef std::map<std::string, cmExportSet*> derived;
+  using derived = std::map<std::string, cmExportSet*>;
 
 public:
   /** \brief Overloaded operator[].
diff --git a/Source/cmExtraCodeBlocksGenerator.cxx b/Source/cmExtraCodeBlocksGenerator.cxx
index 6b16b93..5a9c54c 100644
--- a/Source/cmExtraCodeBlocksGenerator.cxx
+++ b/Source/cmExtraCodeBlocksGenerator.cxx
@@ -333,7 +333,7 @@ void cmExtraCodeBlocksGenerator::CreateNewProjectFile(
   // Collect all used source files in the project.
   // Keep a list of C/C++ source files which might have an accompanying header
   // that should be looked for.
-  typedef std::map<std::string, CbpUnit> all_files_map_t;
+  using all_files_map_t = std::map<std::string, CbpUnit>;
   all_files_map_t allFiles;
   std::vector<std::string> cFiles;
 
diff --git a/Source/cmExtraSublimeTextGenerator.h b/Source/cmExtraSublimeTextGenerator.h
index bc158f6..d9ef1d1 100644
--- a/Source/cmExtraSublimeTextGenerator.h
+++ b/Source/cmExtraSublimeTextGenerator.h
@@ -24,7 +24,7 @@ class cmExtraSublimeTextGenerator : public cmExternalMakefileProjectGenerator
 {
 public:
   static cmExternalMakefileProjectGeneratorFactory* GetFactory();
-  typedef std::map<std::string, std::vector<std::string>> MapSourceFileFlags;
+  using MapSourceFileFlags = std::map<std::string, std::vector<std::string>>;
   cmExtraSublimeTextGenerator();
 
   void Generate() override;
diff --git a/Source/cmFileLockResult.h b/Source/cmFileLockResult.h
index c452814..81c1906 100644
--- a/Source/cmFileLockResult.h
+++ b/Source/cmFileLockResult.h
@@ -19,7 +19,7 @@ class cmFileLockResult
 {
 public:
 #if defined(_WIN32)
-  typedef DWORD Error;
+  using Error = DWORD;
 #else
   using Error = int;
 #endif
diff --git a/Source/cmGeneratorExpression.cxx b/Source/cmGeneratorExpression.cxx
index 133a72b..32eb3cd 100644
--- a/Source/cmGeneratorExpression.cxx
+++ b/Source/cmGeneratorExpression.cxx
@@ -370,9 +370,8 @@ bool cmGeneratorExpression::IsValidTargetName(const std::string& input)
 void cmCompiledGeneratorExpression::GetMaxLanguageStandard(
   const cmGeneratorTarget* tgt, std::map<std::string, std::string>& mapping)
 {
-  typedef std::map<cmGeneratorTarget const*,
-                   std::map<std::string, std::string>>
-    MapType;
+  using MapType =
+    std::map<cmGeneratorTarget const*, std::map<std::string, std::string>>;
   MapType::const_iterator it = this->MaxLanguageStandard.find(tgt);
   if (it != this->MaxLanguageStandard.end()) {
     mapping = it->second;
diff --git a/Source/cmGeneratorExpressionNode.cxx b/Source/cmGeneratorExpressionNode.cxx
index 667f4a0..89b6c1c 100644
--- a/Source/cmGeneratorExpressionNode.cxx
+++ b/Source/cmGeneratorExpressionNode.cxx
@@ -1473,7 +1473,7 @@ static const struct CompileFeaturesNode : public cmGeneratorExpressionNode
     }
     context->HadHeadSensitiveCondition = true;
 
-    typedef std::map<std::string, std::vector<std::string>> LangMap;
+    using LangMap = std::map<std::string, std::vector<std::string>>;
     static LangMap availableFeatures;
 
     LangMap testedFeatures;
diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 48ffcec..b4706a3 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -1107,7 +1107,7 @@ bool cmGeneratorTarget::IsSystemIncludeDirectory(
     config_upper = cmSystemTools::UpperCase(config);
   }
 
-  typedef std::map<std::string, std::vector<std::string>> IncludeCacheType;
+  using IncludeCacheType = std::map<std::string, std::vector<std::string>>;
   IncludeCacheType::const_iterator iter =
     this->SystemIncludesCache.find(config_upper);
 
@@ -2606,7 +2606,7 @@ private:
   SourceEntry* CurrentEntry;
   std::queue<cmSourceFile*> SourceQueue;
   std::set<cmSourceFile*> SourcesQueued;
-  typedef std::map<std::string, cmSourceFile*> NameMapType;
+  using NameMapType = std::map<std::string, cmSourceFile*>;
   NameMapType NameMap;
   std::vector<std::string> NewSources;
 
diff --git a/Source/cmGeneratorTarget.h b/Source/cmGeneratorTarget.h
index 4701071..9eb2ecf 100644
--- a/Source/cmGeneratorTarget.h
+++ b/Source/cmGeneratorTarget.h
@@ -531,7 +531,7 @@ public:
 
   CompileInfo const* GetCompileInfo(const std::string& config) const;
 
-  typedef std::map<std::string, CompileInfo> CompileInfoMapType;
+  using CompileInfoMapType = std::map<std::string, CompileInfo>;
   mutable CompileInfoMapType CompileInfoMap;
 
   bool IsNullImpliedByLinkLibraries(const std::string& p) const;
@@ -745,7 +745,7 @@ private:
   {
     std::vector<cmSourceFile*> Depends;
   };
-  typedef std::map<cmSourceFile const*, SourceEntry> SourceEntriesType;
+  using SourceEntriesType = std::map<cmSourceFile const*, SourceEntry>;
   SourceEntriesType SourceDepends;
   mutable std::map<cmSourceFile const*, std::string> Objects;
   std::set<cmSourceFile const*> ExplicitObjectName;
@@ -775,7 +775,7 @@ private:
                            std::string& outPrefix, std::string& outBase,
                            std::string& outSuffix) const;
 
-  typedef std::map<std::string, LinkClosure> LinkClosureMapType;
+  using LinkClosureMapType = std::map<std::string, LinkClosure>;
   mutable LinkClosureMapType LinkClosureMap;
 
   // Returns ARCHIVE, LIBRARY, or RUNTIME based on platform and type.
@@ -802,8 +802,8 @@ private:
   };
   mutable std::map<std::string, CompatibleInterfaces> CompatibleInterfacesMap;
 
-  typedef std::map<std::string, cmComputeLinkInformation*>
-    cmTargetLinkInformationMap;
+  using cmTargetLinkInformationMap =
+    std::map<std::string, cmComputeLinkInformation*>;
   mutable cmTargetLinkInformationMap LinkInformation;
 
   void CheckPropertyCompatibility(cmComputeLinkInformation* info,
@@ -815,7 +815,7 @@ private:
   };
   mutable std::map<std::string, LinkImplClosure> LinkImplClosureMap;
 
-  typedef std::map<std::string, cmHeadToLinkInterfaceMap> LinkInterfaceMapType;
+  using LinkInterfaceMapType = std::map<std::string, cmHeadToLinkInterfaceMap>;
   mutable LinkInterfaceMapType LinkInterfaceMap;
   mutable LinkInterfaceMapType LinkInterfaceUsageRequirementsOnlyMap;
 
@@ -843,7 +843,7 @@ private:
     std::string SharedDeps;
   };
 
-  typedef std::map<std::string, ImportInfo> ImportInfoMapType;
+  using ImportInfoMapType = std::map<std::string, ImportInfo>;
   mutable ImportInfoMapType ImportInfoMap;
   void ComputeImportInfo(std::string const& desired_config,
                          ImportInfo& info) const;
@@ -857,7 +857,7 @@ private:
     const std::string& config, const cmGeneratorTarget* head,
     bool usage_requirements_only) const;
 
-  typedef std::map<std::string, KindedSources> KindedSourcesMapType;
+  using KindedSourcesMapType = std::map<std::string, KindedSources>;
   mutable KindedSourcesMapType KindedSourcesMap;
   void ComputeKindedSources(KindedSources& files,
                             std::string const& config) const;
@@ -902,7 +902,7 @@ private:
     : public std::map<cmGeneratorTarget const*, cmOptionalLinkImplementation>
   {
   };
-  typedef std::map<std::string, HeadToLinkImplementationMap> LinkImplMapType;
+  using LinkImplMapType = std::map<std::string, HeadToLinkImplementationMap>;
   mutable LinkImplMapType LinkImplMap;
 
   cmLinkImplementationLibraries const* GetLinkImplementationLibrariesInternal(
@@ -911,17 +911,17 @@ private:
                         cmStateEnums::ArtifactType artifact,
                         std::string& out) const;
 
-  typedef std::map<std::string, OutputInfo> OutputInfoMapType;
+  using OutputInfoMapType = std::map<std::string, OutputInfo>;
   mutable OutputInfoMapType OutputInfoMap;
 
-  typedef std::map<std::string, ModuleDefinitionInfo>
-    ModuleDefinitionInfoMapType;
+  using ModuleDefinitionInfoMapType =
+    std::map<std::string, ModuleDefinitionInfo>;
   mutable ModuleDefinitionInfoMapType ModuleDefinitionInfoMap;
   void ComputeModuleDefinitionInfo(std::string const& config,
                                    ModuleDefinitionInfo& info) const;
 
-  typedef std::pair<std::string, cmStateEnums::ArtifactType> OutputNameKey;
-  typedef std::map<OutputNameKey, std::string> OutputNameMapType;
+  using OutputNameKey = std::pair<std::string, cmStateEnums::ArtifactType>;
+  using OutputNameMapType = std::map<OutputNameKey, std::string>;
   mutable OutputNameMapType OutputNameMap;
   mutable std::set<cmLinkItem> UtilityItems;
   cmPolicies::PolicyMap PolicyMap;
diff --git a/Source/cmGlobVerificationManager.h b/Source/cmGlobVerificationManager.h
index 48606d3..e03d939 100644
--- a/Source/cmGlobVerificationManager.h
+++ b/Source/cmGlobVerificationManager.h
@@ -72,7 +72,7 @@ private:
     std::vector<std::pair<std::string, cmListFileBacktrace>> Backtraces;
   };
 
-  typedef std::map<CacheEntryKey, CacheEntryValue> CacheEntryMap;
+  using CacheEntryMap = std::map<CacheEntryKey, CacheEntryValue>;
   CacheEntryMap Cache;
   std::string VerifyScript;
   std::string VerifyStamp;
diff --git a/Source/cmGlobalGenerator.h b/Source/cmGlobalGenerator.h
index 36e5d0e..d67c725 100644
--- a/Source/cmGlobalGenerator.h
+++ b/Source/cmGlobalGenerator.h
@@ -561,11 +561,11 @@ protected:
   const char* GetPredefinedTargetsFolder();
 
 private:
-  typedef std::unordered_map<std::string, cmTarget*> TargetMap;
-  typedef std::unordered_map<std::string, cmGeneratorTarget*>
-    GeneratorTargetMap;
-  typedef std::unordered_map<std::string, cmMakefile*> MakefileMap;
-  typedef std::unordered_map<std::string, cmLocalGenerator*> LocalGeneratorMap;
+  using TargetMap = std::unordered_map<std::string, cmTarget*>;
+  using GeneratorTargetMap =
+    std::unordered_map<std::string, cmGeneratorTarget*>;
+  using MakefileMap = std::unordered_map<std::string, cmMakefile*>;
+  using LocalGeneratorMap = std::unordered_map<std::string, cmLocalGenerator*>;
   // Map efficiently from target name to cmTarget instance.
   // Do not use this structure for looping over all targets.
   // It contains both normal and globally visible imported targets.
@@ -626,7 +626,7 @@ private:
   std::vector<std::string> FilesReplacedDuringGenerate;
 
   // Store computed inter-target dependencies.
-  typedef std::map<cmGeneratorTarget const*, TargetDependSet> TargetDependMap;
+  using TargetDependMap = std::map<cmGeneratorTarget const*, TargetDependSet>;
   TargetDependMap TargetDependencies;
 
   friend class cmake;
diff --git a/Source/cmGlobalGhsMultiGenerator.h b/Source/cmGlobalGhsMultiGenerator.h
index 9b5bf63..e58e65e 100644
--- a/Source/cmGlobalGhsMultiGenerator.h
+++ b/Source/cmGlobalGhsMultiGenerator.h
@@ -148,9 +148,8 @@ class cmGlobalGhsMultiGenerator::OrderedTargetDependSet
   : public std::multiset<cmTargetDepend,
                          cmGlobalGhsMultiGenerator::TargetCompare>
 {
-  typedef std::multiset<cmTargetDepend,
-                        cmGlobalGhsMultiGenerator::TargetCompare>
-    derived;
+  using derived =
+    std::multiset<cmTargetDepend, cmGlobalGhsMultiGenerator::TargetCompare>;
 
 public:
   using TargetDependSet = cmGlobalGenerator::TargetDependSet;
diff --git a/Source/cmGlobalNinjaGenerator.h b/Source/cmGlobalNinjaGenerator.h
index db64031..f6d5998 100644
--- a/Source/cmGlobalNinjaGenerator.h
+++ b/Source/cmGlobalNinjaGenerator.h
@@ -426,7 +426,7 @@ private:
   /// The mapping from source file to assumed dependencies.
   std::map<std::string, std::set<std::string>> AssumedSourceDependencies;
 
-  typedef std::map<std::string, cmGeneratorTarget*> TargetAliasMap;
+  using TargetAliasMap = std::map<std::string, cmGeneratorTarget*>;
   TargetAliasMap TargetAliases;
 
   std::map<cmGeneratorTarget const*, cmNinjaOuts> TargetDependsClosures;
diff --git a/Source/cmGlobalUnixMakefileGenerator3.h b/Source/cmGlobalUnixMakefileGenerator3.h
index 287472c..264de54 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.h
+++ b/Source/cmGlobalUnixMakefileGenerator3.h
@@ -220,9 +220,8 @@ protected:
     std::vector<unsigned long> Marks;
     void WriteProgressVariables(unsigned long total, unsigned long& current);
   };
-  typedef std::map<cmGeneratorTarget const*, TargetProgress,
-                   cmGeneratorTarget::StrictTargetComparison>
-    ProgressMapType;
+  using ProgressMapType = std::map<cmGeneratorTarget const*, TargetProgress,
+                                   cmGeneratorTarget::StrictTargetComparison>;
   ProgressMapType ProgressMap;
 
   size_t CountProgressMarksInTarget(
diff --git a/Source/cmGlobalVisualStudioGenerator.h b/Source/cmGlobalVisualStudioGenerator.h
index e4cd73f..bd615ec 100644
--- a/Source/cmGlobalVisualStudioGenerator.h
+++ b/Source/cmGlobalVisualStudioGenerator.h
@@ -180,7 +180,7 @@ protected:
                                   const std::string&);
   virtual std::string WriteUtilityDepend(cmGeneratorTarget const*) = 0;
   std::string GetUtilityDepend(const cmGeneratorTarget* target);
-  typedef std::map<cmGeneratorTarget const*, std::string> UtilityDependsMap;
+  using UtilityDependsMap = std::map<cmGeneratorTarget const*, std::string>;
   UtilityDependsMap UtilityDepends;
 
 protected:
@@ -213,13 +213,12 @@ class cmGlobalVisualStudioGenerator::OrderedTargetDependSet
   : public std::multiset<cmTargetDepend,
                          cmGlobalVisualStudioGenerator::TargetCompare>
 {
-  typedef std::multiset<cmTargetDepend,
-                        cmGlobalVisualStudioGenerator::TargetCompare>
-    derived;
+  using derived = std::multiset<cmTargetDepend,
+                                cmGlobalVisualStudioGenerator::TargetCompare>;
 
 public:
-  typedef cmGlobalGenerator::TargetDependSet TargetDependSet;
-  typedef cmGlobalVisualStudioGenerator::TargetSet TargetSet;
+  using TargetDependSet = cmGlobalGenerator::TargetDependSet;
+  using TargetSet = cmGlobalVisualStudioGenerator::TargetSet;
   OrderedTargetDependSet(TargetDependSet const&, std::string const& first);
   OrderedTargetDependSet(TargetSet const&, std::string const& first);
 };
diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 427ab44..21c2b2a 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -1244,8 +1244,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTarget(
   // framework or bundle targets
   std::vector<cmXCodeObject*> contentBuildPhases;
   if (isFrameworkTarget || isBundleTarget || isCFBundleTarget) {
-    typedef std::map<std::string, std::vector<cmSourceFile*>>
-      mapOfVectorOfSourceFiles;
+    using mapOfVectorOfSourceFiles =
+      std::map<std::string, std::vector<cmSourceFile*>>;
     mapOfVectorOfSourceFiles bundleFiles;
     for (auto sourceFile : classes) {
       cmGeneratorTarget::SourceFileFlags tsFlags =
@@ -1292,8 +1292,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTarget(
   // create vector of "resource content file" build phases - only for
   // framework or bundle targets
   if (isFrameworkTarget || isBundleTarget || isCFBundleTarget) {
-    typedef std::map<std::string, std::vector<cmSourceFile*>>
-      mapOfVectorOfSourceFiles;
+    using mapOfVectorOfSourceFiles =
+      std::map<std::string, std::vector<cmSourceFile*>>;
     mapOfVectorOfSourceFiles bundleFiles;
     for (auto sourceFile : classes) {
       cmGeneratorTarget::SourceFileFlags tsFlags =
@@ -3048,7 +3048,7 @@ bool cmGlobalXCodeGenerator::CreateXCodeObjects(
     this->CreateObject(cmXCodeObject::XCConfigurationList);
   cmXCodeObject* buildConfigurations =
     this->CreateObject(cmXCodeObject::OBJECT_LIST);
-  typedef std::vector<std::pair<std::string, cmXCodeObject*>> Configs;
+  using Configs = std::vector<std::pair<std::string, cmXCodeObject*>>;
   Configs configs;
   std::string defaultConfigName;
   for (const auto& name : this->CurrentConfigurationTypes) {
diff --git a/Source/cmIDEOptions.h b/Source/cmIDEOptions.h
index 4a43073..f949ae3 100644
--- a/Source/cmIDEOptions.h
+++ b/Source/cmIDEOptions.h
@@ -51,7 +51,7 @@ protected:
   // and overwrite or add new values to this map
   class FlagValue : public std::vector<std::string>
   {
-    typedef std::vector<std::string> derived;
+    using derived = std::vector<std::string>;
 
   public:
     FlagValue& operator=(std::string const& r)
diff --git a/Source/cmInstalledFile.h b/Source/cmInstalledFile.h
index e00e666..ee809ee 100644
--- a/Source/cmInstalledFile.h
+++ b/Source/cmInstalledFile.h
@@ -37,7 +37,7 @@ public:
     ExpressionVectorType ValueExpressions;
   };
 
-  typedef std::map<std::string, Property> PropertyMapType;
+  using PropertyMapType = std::map<std::string, Property>;
 
   cmInstalledFile();
 
diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index f63fe0f..8c7e7a3 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -433,8 +433,8 @@ protected:
 
   std::set<std::string> EnvCPATH;
 
-  typedef std::unordered_map<std::string, cmGeneratorTarget*>
-    GeneratorTargetMap;
+  using GeneratorTargetMap =
+    std::unordered_map<std::string, cmGeneratorTarget*>;
   GeneratorTargetMap GeneratorTargetSearchIndex;
   std::vector<cmGeneratorTarget*> GeneratorTargets;
 
diff --git a/Source/cmLocalNinjaGenerator.h b/Source/cmLocalNinjaGenerator.h
index 3a30bbb..08bec70 100644
--- a/Source/cmLocalNinjaGenerator.h
+++ b/Source/cmLocalNinjaGenerator.h
@@ -109,8 +109,8 @@ private:
 
   std::string HomeRelativeOutputPath;
 
-  typedef std::map<cmCustomCommand const*, std::set<cmGeneratorTarget*>>
-    CustomCommandTargetMap;
+  using CustomCommandTargetMap =
+    std::map<cmCustomCommand const*, std::set<cmGeneratorTarget*>>;
   CustomCommandTargetMap CustomCommandTargets;
   std::vector<cmCustomCommand const*> CustomCommands;
 };
diff --git a/Source/cmLocalVisualStudio7Generator.cxx b/Source/cmLocalVisualStudio7Generator.cxx
index 357ccc8..dd25716 100644
--- a/Source/cmLocalVisualStudio7Generator.cxx
+++ b/Source/cmLocalVisualStudio7Generator.cxx
@@ -30,7 +30,7 @@ public:
     : LocalGenerator(e)
   {
   }
-  typedef cmComputeLinkInformation::ItemVector ItemVector;
+  using ItemVector = cmComputeLinkInformation::ItemVector;
   void OutputLibraries(std::ostream& fout, ItemVector const& libs);
   void OutputObjects(std::ostream& fout, cmGeneratorTarget* t,
                      std::string const& config, const char* isep = 0);
diff --git a/Source/cmLocalVisualStudio7Generator.h b/Source/cmLocalVisualStudio7Generator.h
index ce8eceb..671783f 100644
--- a/Source/cmLocalVisualStudio7Generator.h
+++ b/Source/cmLocalVisualStudio7Generator.h
@@ -83,8 +83,8 @@ protected:
   void CreateSingleVCProj(const std::string& lname, cmGeneratorTarget* tgt);
 
 private:
-  typedef cmVS7GeneratorOptions Options;
-  typedef cmLocalVisualStudio7GeneratorFCInfo FCInfo;
+  using Options = cmVS7GeneratorOptions;
+  using FCInfo = cmLocalVisualStudio7GeneratorFCInfo;
   std::string GetBuildTypeLinkerFlags(std::string rootLinkerFlags,
                                       const std::string& configName);
   void FixGlobalTargets();
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index dfe0086..411add3 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -2744,12 +2744,13 @@ MessageType cmMakefile::ExpandVariablesInStringOld(
   return mtype;
 }
 
-typedef enum
+enum t_domain
 {
   NORMAL,
   ENVIRONMENT,
   CACHE
-} t_domain;
+};
+
 struct t_lookup
 {
   t_domain domain = NORMAL;
diff --git a/Source/cmMakefileTargetGenerator.h b/Source/cmMakefileTargetGenerator.h
index 9eeeed0..f464128 100644
--- a/Source/cmMakefileTargetGenerator.h
+++ b/Source/cmMakefileTargetGenerator.h
@@ -223,7 +223,7 @@ protected:
   // Set of extra output files to be driven by the build.
   std::set<std::string> ExtraFiles;
 
-  typedef std::map<std::string, std::string> MultipleOutputPairsType;
+  using MultipleOutputPairsType = std::map<std::string, std::string>;
   MultipleOutputPairsType MultipleOutputPairs;
   bool WriteMakeRule(std::ostream& os, const char* comment,
                      const std::vector<std::string>& outputs,
diff --git a/Source/cmNinjaTypes.h b/Source/cmNinjaTypes.h
index 89afbbd..bd0e83f 100644
--- a/Source/cmNinjaTypes.h
+++ b/Source/cmNinjaTypes.h
@@ -19,7 +19,7 @@ enum cmNinjaTargetDepends
 
 using cmNinjaDeps = std::vector<std::string>;
 using cmNinjaOuts = std::set<std::string>;
-typedef std::map<std::string, std::string> cmNinjaVars;
+using cmNinjaVars = std::map<std::string, std::string>;
 
 class cmNinjaRule
 {
diff --git a/Source/cmOrderDirectories.cxx b/Source/cmOrderDirectories.cxx
index 21a17e8..35ec33e 100644
--- a/Source/cmOrderDirectories.cxx
+++ b/Source/cmOrderDirectories.cxx
@@ -412,7 +412,7 @@ void cmOrderDirectories::AddOriginalDirectories(
 
 struct cmOrderDirectoriesCompare
 {
-  typedef std::pair<int, int> ConflictPair;
+  using ConflictPair = std::pair<int, int>;
 
   // The conflict pair is unique based on just the directory
   // (first).  The second element is only used for displaying
@@ -557,7 +557,7 @@ std::string const& cmOrderDirectories::GetRealPath(std::string const& dir)
     this->RealPaths.lower_bound(dir);
   if (i == this->RealPaths.end() ||
       this->RealPaths.key_comp()(dir, i->first)) {
-    typedef std::map<std::string, std::string>::value_type value_type;
+    using value_type = std::map<std::string, std::string>::value_type;
     i = this->RealPaths.insert(
       i, value_type(dir, cmSystemTools::GetRealPath(dir)));
   }
diff --git a/Source/cmOrderDirectories.h b/Source/cmOrderDirectories.h
index 23e61d6..2dfc4d1 100644
--- a/Source/cmOrderDirectories.h
+++ b/Source/cmOrderDirectories.h
@@ -75,7 +75,7 @@ private:
   // the index of the directory that must come first.  The second
   // element is the index of the runtime library that added the
   // constraint.
-  typedef std::pair<int, int> ConflictPair;
+  using ConflictPair = std::pair<int, int>;
   struct ConflictList : public std::vector<ConflictPair>
   {
   };
diff --git a/Source/cmOutputRequiredFilesCommand.cxx b/Source/cmOutputRequiredFilesCommand.cxx
index 1a854dc..c034fdd 100644
--- a/Source/cmOutputRequiredFilesCommand.cxx
+++ b/Source/cmOutputRequiredFilesCommand.cxx
@@ -446,10 +446,10 @@ protected:
   cmsys::RegularExpression IncludeFileRegularExpression;
   cmsys::RegularExpression ComplainFileRegularExpression;
   std::vector<std::string> IncludeDirectories;
-  typedef std::map<std::string, std::string> FileToPathMapType;
-  typedef std::map<std::string, FileToPathMapType>
-    DirectoryToFileToPathMapType;
-  typedef std::map<std::string, cmDependInformation*> DependInformationMapType;
+  using FileToPathMapType = std::map<std::string, std::string>;
+  using DirectoryToFileToPathMapType =
+    std::map<std::string, FileToPathMapType>;
+  using DependInformationMapType = std::map<std::string, cmDependInformation*>;
   DependInformationMapType DependInformationMap;
   DirectoryToFileToPathMapType DirectoryToFileToPathMap;
 };
diff --git a/Source/cmPropertyMap.cxx b/Source/cmPropertyMap.cxx
index 3ed4c05..a3d4946 100644
--- a/Source/cmPropertyMap.cxx
+++ b/Source/cmPropertyMap.cxx
@@ -66,7 +66,7 @@ std::vector<std::string> cmPropertyMap::GetKeys() const
 
 std::vector<std::pair<std::string, std::string>> cmPropertyMap::GetList() const
 {
-  typedef std::pair<std::string, std::string> StringPair;
+  using StringPair = std::pair<std::string, std::string>;
   std::vector<StringPair> kvList;
   kvList.reserve(Map_.size());
   for (auto const& item : Map_) {
diff --git a/Source/cmQtAutoMocUic.cxx b/Source/cmQtAutoMocUic.cxx
index 84359f2..14329c0 100644
--- a/Source/cmQtAutoMocUic.cxx
+++ b/Source/cmQtAutoMocUic.cxx
@@ -1237,7 +1237,7 @@ std::pair<std::string, cmFileTime>
 cmQtAutoMocUic::JobGenerateT::MocFindDependency(
   std::string const& sourceDir, std::string const& includeString) const
 {
-  typedef std::pair<std::string, cmFileTime> ResPair;
+  using ResPair = std::pair<std::string, cmFileTime>;
   // Search in vicinity of the source
   {
     ResPair res{ sourceDir + includeString, {} };
diff --git a/Source/cmQtAutoMocUic.h b/Source/cmQtAutoMocUic.h
index 076e460..549b088 100644
--- a/Source/cmQtAutoMocUic.h
+++ b/Source/cmQtAutoMocUic.h
@@ -107,7 +107,7 @@ public:
       } Uic;
     };
     using FileHandleT = std::shared_ptr<FileT>;
-    typedef std::pair<FileHandleT, bool> GetOrInsertT;
+    using GetOrInsertT = std::pair<FileHandleT, bool>;
 
   public:
     ParseCacheT();
@@ -147,7 +147,7 @@ public:
     bool Uic = false;
   };
   using SourceFileHandleT = std::shared_ptr<SourceFileT>;
-  typedef std::map<std::string, SourceFileHandleT> SourceFileMapT;
+  using SourceFileMapT = std::map<std::string, SourceFileHandleT>;
 
   /**
    * Meta compiler file mapping information
@@ -160,7 +160,7 @@ public:
     std::vector<SourceFileHandleT> IncluderFiles;
   };
   using MappingHandleT = std::shared_ptr<MappingT>;
-  typedef std::map<std::string, MappingHandleT> MappingMapT;
+  using MappingMapT = std::map<std::string, MappingHandleT>;
 
   /**
    * Common settings
diff --git a/Source/cmSourceGroupCommand.h b/Source/cmSourceGroupCommand.h
index 45438a9..87a6114 100644
--- a/Source/cmSourceGroupCommand.h
+++ b/Source/cmSourceGroupCommand.h
@@ -40,7 +40,7 @@ public:
                    cmExecutionStatus& status) override;
 
 private:
-  typedef std::map<std::string, std::vector<std::string>> ParsedArguments;
+  using ParsedArguments = std::map<std::string, std::vector<std::string>>;
   using ExpectedOptions = std::vector<std::string>;
 
   ExpectedOptions getExpectedOptions() const;
diff --git a/Source/cmString.hxx b/Source/cmString.hxx
index 050a2fd..a401ad1 100644
--- a/Source/cmString.hxx
+++ b/Source/cmString.hxx
@@ -725,7 +725,7 @@ struct StringAdd
 template <typename L, typename R>
 struct StringAdd<StringOpPlus<L, R>> : std::true_type
 {
-  typedef StringOpPlus<L, R> const& temp_type;
+  using temp_type = StringOpPlus<L, R> const&;
   static temp_type temp(temp_type s) { return s; }
 };
 
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index fa420af..e9bcffe 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -107,7 +107,7 @@ public:
   cmSourceFile* AddSource(const std::string& src, bool before = false);
 
   //! how we identify a library, by name and type
-  typedef std::pair<std::string, cmTargetLinkLibraryType> LibraryID;
+  using LibraryID = std::pair<std::string, cmTargetLinkLibraryType>;
   using LinkLibraryVectorType = std::vector<LibraryID>;
   LinkLibraryVectorType const& GetOriginalLinkLibraries() const;
 
diff --git a/Source/cmVariableWatch.h b/Source/cmVariableWatch.h
index 32445d5..e4b3b7c 100644
--- a/Source/cmVariableWatch.h
+++ b/Source/cmVariableWatch.h
@@ -77,7 +77,7 @@ protected:
   };
 
   using VectorOfPairs = std::vector<std::shared_ptr<Pair>>;
-  typedef std::map<std::string, VectorOfPairs> StringToVectorOfPairs;
+  using StringToVectorOfPairs = std::map<std::string, VectorOfPairs>;
 
   StringToVectorOfPairs WatchMap;
 };
diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index 06e1798..101c97a 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -121,7 +121,7 @@ struct cmVisualStudio10TargetGenerator::Elem
 class cmVS10GeneratorOptions : public cmVisualStudioGeneratorOptions
 {
 public:
-  typedef cmVisualStudio10TargetGenerator::Elem Elem;
+  using Elem = cmVisualStudio10TargetGenerator::Elem;
   cmVS10GeneratorOptions(cmLocalVisualStudioGenerator* lg, Tool tool,
                          cmVS7FlagTable const* table,
                          cmVisualStudio10TargetGenerator* g = nullptr)
@@ -894,7 +894,7 @@ void cmVisualStudio10TargetGenerator::WriteDotNetReferenceCustomTags(
   static const std::string refpropPrefix = "VS_DOTNET_REFERENCEPROP_";
   static const std::string refpropInfix = "_TAG_";
   const std::string refPropFullPrefix = refpropPrefix + ref + refpropInfix;
-  typedef std::map<std::string, std::string> CustomTags;
+  using CustomTags = std::map<std::string, std::string>;
   CustomTags tags;
   cmPropertyMap const& props = this->GeneratorTarget->Target->GetProperties();
   for (const auto& i : props.GetList()) {
@@ -2349,7 +2349,7 @@ void cmVisualStudio10TargetGenerator::OutputSourceSpecificFlags(
   }
   if (this->ProjectType == csproj) {
     std::string f = source->GetFullPath();
-    typedef std::map<std::string, std::string> CsPropMap;
+    using CsPropMap = std::map<std::string, std::string>;
     CsPropMap sourceFileTags;
     // set <Link> tag if necessary
     std::string link;
@@ -3663,7 +3663,7 @@ bool cmVisualStudio10TargetGenerator::ComputeLibOptions(
   }
 
   cmComputeLinkInformation& cli = *pcli;
-  typedef cmComputeLinkInformation::ItemVector ItemVector;
+  using ItemVector = cmComputeLinkInformation::ItemVector;
   const ItemVector& libs = cli.GetItems();
   std::string currentBinDir =
     this->LocalGenerator->GetCurrentBinaryDirectory();
@@ -3708,7 +3708,7 @@ void cmVisualStudio10TargetGenerator::AddLibraries(
   const cmComputeLinkInformation& cli, std::vector<std::string>& libVec,
   std::vector<std::string>& vsTargetVec, const std::string& config)
 {
-  typedef cmComputeLinkInformation::ItemVector ItemVector;
+  using ItemVector = cmComputeLinkInformation::ItemVector;
   ItemVector const& libs = cli.GetItems();
   std::string currentBinDir =
     this->LocalGenerator->GetCurrentBinaryDirectory();
@@ -3934,8 +3934,8 @@ void cmVisualStudio10TargetGenerator::WriteProjectReferences(Elem& e0)
 {
   cmGlobalGenerator::TargetDependSet const& unordered =
     this->GlobalGenerator->GetTargetDirectDepends(this->GeneratorTarget);
-  typedef cmGlobalVisualStudioGenerator::OrderedTargetDependSet
-    OrderedTargetDependSet;
+  using OrderedTargetDependSet =
+    cmGlobalVisualStudioGenerator::OrderedTargetDependSet;
   OrderedTargetDependSet depends(unordered, CMAKE_CHECK_BUILD_SYSTEM_TARGET);
   Elem e1(e0, "ItemGroup");
   e1.SetHasElements();
diff --git a/Source/cmVisualStudio10TargetGenerator.h b/Source/cmVisualStudio10TargetGenerator.h
index 6607e77..4dd92eb 100644
--- a/Source/cmVisualStudio10TargetGenerator.h
+++ b/Source/cmVisualStudio10TargetGenerator.h
@@ -186,8 +186,8 @@ private:
 
 private:
   friend class cmVS10GeneratorOptions;
-  typedef cmVS10GeneratorOptions Options;
-  typedef std::map<std::string, std::unique_ptr<Options>> OptionsMap;
+  using Options = cmVS10GeneratorOptions;
+  using OptionsMap = std::map<std::string, std::unique_ptr<Options>>;
   OptionsMap ClOptions;
   OptionsMap RcOptions;
   OptionsMap CudaOptions;
@@ -224,16 +224,16 @@ private:
   std::string DefaultArtifactDir;
   bool AddedDefaultCertificate = false;
   // managed C++/C# relevant members
-  typedef std::pair<std::string, std::string> DotNetHintReference;
-  typedef std::vector<DotNetHintReference> DotNetHintReferenceList;
-  typedef std::map<std::string, DotNetHintReferenceList>
-    DotNetHintReferenceMap;
+  using DotNetHintReference = std::pair<std::string, std::string>;
+  using DotNetHintReferenceList = std::vector<DotNetHintReference>;
+  using DotNetHintReferenceMap =
+    std::map<std::string, DotNetHintReferenceList>;
   DotNetHintReferenceMap DotNetHintReferences;
-  typedef std::set<std::string> UsingDirectories;
-  typedef std::map<std::string, UsingDirectories> UsingDirectoriesMap;
+  using UsingDirectories = std::set<std::string>;
+  using UsingDirectoriesMap = std::map<std::string, UsingDirectories>;
   UsingDirectoriesMap AdditionalUsingDirectories;
 
-  typedef std::map<std::string, ToolSources> ToolSourceMap;
+  using ToolSourceMap = std::map<std::string, ToolSources>;
   ToolSourceMap Tools;
   std::string GetCMakeFilePath(const char* name) const;
 };
diff --git a/Source/cmVisualStudioGeneratorOptions.h b/Source/cmVisualStudioGeneratorOptions.h
index a30a67f..560593e 100644
--- a/Source/cmVisualStudioGeneratorOptions.h
+++ b/Source/cmVisualStudioGeneratorOptions.h
@@ -14,7 +14,7 @@
 
 class cmLocalVisualStudioGenerator;
 
-typedef cmIDEFlagTable cmVS7FlagTable;
+using cmVS7FlagTable = cmIDEFlagTable;
 
 class cmVisualStudioGeneratorOptions : public cmIDEOptions
 {
diff --git a/Source/cmVisualStudioSlnData.h b/Source/cmVisualStudioSlnData.h
index 9c1dffc..5ce7d74 100644
--- a/Source/cmVisualStudioSlnData.h
+++ b/Source/cmVisualStudioSlnData.h
@@ -45,9 +45,9 @@ public:
                                 const std::string& projectRelativePath);
 
 private:
-  typedef std::map<std::string, cmSlnProjectEntry> ProjectStorage;
+  using ProjectStorage = std::map<std::string, cmSlnProjectEntry>;
   ProjectStorage ProjectsByGUID;
-  typedef std::map<std::string, ProjectStorage::iterator> ProjectStringIndex;
+  using ProjectStringIndex = std::map<std::string, ProjectStorage::iterator>;
   ProjectStringIndex ProjectNameIndex;
 };
 
diff --git a/Source/cmVisualStudioSlnParser.cxx b/Source/cmVisualStudioSlnParser.cxx
index 9eaee11..05ef517 100644
--- a/Source/cmVisualStudioSlnParser.cxx
+++ b/Source/cmVisualStudioSlnParser.cxx
@@ -51,7 +51,7 @@ public:
   void CopyVerbatim(const std::string& line) { this->Tag = line; }
 
 private:
-  typedef std::pair<std::string, bool> StringData;
+  using StringData = std::pair<std::string, bool>;
   std::string Tag;
   StringData Arg;
   std::vector<StringData> Values;
diff --git a/Source/cmVisualStudioSlnParser.h b/Source/cmVisualStudioSlnParser.h
index d6345a8..166f788 100644
--- a/Source/cmVisualStudioSlnParser.h
+++ b/Source/cmVisualStudioSlnParser.h
@@ -42,7 +42,7 @@ public:
     DataGroupCount
   };
 
-  typedef std::bitset<DataGroupCount> DataGroupSet;
+  using DataGroupSet = std::bitset<DataGroupCount>;
 
   static const DataGroupSet DataGroupProjects;
   static const DataGroupSet DataGroupProjectDependencies;
diff --git a/Source/cmXCodeScheme.h b/Source/cmXCodeScheme.h
index 8c47123..1cc5324 100644
--- a/Source/cmXCodeScheme.h
+++ b/Source/cmXCodeScheme.h
@@ -18,7 +18,7 @@
 class cmXCodeScheme
 {
 public:
-  typedef std::vector<const cmXCodeObject*> TestObjects;
+  using TestObjects = std::vector<const cmXCodeObject*>;
 
   cmXCodeScheme(cmXCodeObject* xcObj, TestObjects tests,
                 const std::vector<std::string>& configList,
diff --git a/Source/cm_string_view.hxx b/Source/cm_string_view.hxx
index d368ed8..04de797 100644
--- a/Source/cm_string_view.hxx
+++ b/Source/cm_string_view.hxx
@@ -207,8 +207,8 @@ namespace std {
 template <>
 struct hash<cm::string_view>
 {
-  typedef cm::string_view argument_type;
-  typedef size_t result_type;
+  using argument_type = cm::string_view;
+  using result_type = size_t;
   result_type operator()(argument_type const& s) const noexcept;
 };
 }
diff --git a/Source/cm_sys_stat.h b/Source/cm_sys_stat.h
index 796f027..d3b9ef2 100644
--- a/Source/cm_sys_stat.h
+++ b/Source/cm_sys_stat.h
@@ -4,12 +4,12 @@
 #define cm_sys_stat_h
 
 #if defined(_MSC_VER)
-typedef unsigned short mode_t;
+using mode_t = unsigned short;
 #endif
 
 #if defined(WIN32)
-typedef unsigned short uid_t;
-typedef unsigned short gid_t;
+using uid_t = unsigned short;
+using gid_t = unsigned short;
 #endif
 
 #include <sys/types.h>
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 1746082..ace9198 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -116,7 +116,7 @@
 namespace {
 
 #if !defined(CMAKE_BOOTSTRAP)
-typedef std::unordered_map<std::string, Json::Value> JsonValueMapType;
+using JsonValueMapType = std::unordered_map<std::string, Json::Value>;
 #endif
 
 } // namespace
diff --git a/Source/cmake.h b/Source/cmake.h
index cc44b92..687c105 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -133,7 +133,7 @@ public:
     std::unordered_set<std::string> unordered;
   };
 
-  typedef std::map<std::string, cmInstalledFile> InstalledFilesMap;
+  using InstalledFilesMap = std::map<std::string, cmInstalledFile>;
 
   static const int NO_BUILD_PARALLEL_LEVEL = -1;
   static const int DEFAULT_BUILD_PARALLEL_LEVEL = 0;