clang-tidy: fix `modernize-use-override` lints

Source/cmGlobalMSYSMakefileGenerator.h

@@ -28,7 +28,7 @@ public:
   }
 
   //! Get the name for the generator.
-  virtual std::string GetName() const
+  std::string GetName() const override
   {
     return cmGlobalMSYSMakefileGenerator::GetActualName();
   }
@@ -41,8 +41,8 @@ public:
    * Try to determine system information such as shared library
    * extension, pthreads, byte order etc.
    */
-  virtual void EnableLanguage(std::vector<std::string> const& languages,
-                              cmMakefile*, bool optional);
+  void EnableLanguage(std::vector<std::string> const& languages, cmMakefile*,
+                      bool optional) override;
 
 private:
   std::string FindMinGW(std::string const& makeloc);

Source/cmGlobalMinGWMakefileGenerator.h

@@ -27,7 +27,7 @@ public:
       new cmGlobalGeneratorSimpleFactory<cmGlobalMinGWMakefileGenerator>());
   }
   //! Get the name for the generator.
-  virtual std::string GetName() const
+  std::string GetName() const override
   {
     return cmGlobalMinGWMakefileGenerator::GetActualName();
   }

Source/cmGlobalVisualStudio7Generator.h

@@ -31,7 +31,7 @@ class BT;
 class cmGlobalVisualStudio7Generator : public cmGlobalVisualStudioGenerator
 {
 public:
-  ~cmGlobalVisualStudio7Generator();
+  ~cmGlobalVisualStudio7Generator() override;
 
   //! Create a local generator appropriate to this Global Generator
   std::unique_ptr<cmLocalGenerator> CreateLocalGenerator(

Source/cmGlobalVisualStudioGenerator.h

@@ -44,7 +44,7 @@ public:
     VS17 = 170
   };
 
-  virtual ~cmGlobalVisualStudioGenerator();
+  ~cmGlobalVisualStudioGenerator() override;
 
   VSVersion GetVersion() const;
   void SetVersion(VSVersion v);

Source/cmLocalVisualStudio10Generator.cxx

@@ -18,8 +18,8 @@ class cmGeneratorTarget;
 class cmVS10XMLParser : public cmXMLParser
 {
 public:
-  virtual void EndElement(const std::string& /* name */) {}
-  virtual void CharacterDataHandler(const char* data, int length)
+  void EndElement(const std::string& /* name */) override {}
+  void CharacterDataHandler(const char* data, int length) override
   {
     if (this->DoGUID) {
       if (data[0] == '{') {
@@ -31,7 +31,7 @@ public:
       this->DoGUID = false;
     }
   }
-  virtual void StartElement(const std::string& name, const char**)
+  void StartElement(const std::string& name, const char**) override
   {
     // once the GUID is found do nothing
     if (!this->GUID.empty()) {
@@ -41,7 +41,7 @@ public:
       this->DoGUID = true;
     }
   }
-  int InitializeParser()
+  int InitializeParser() override
   {
     this->DoGUID = false;
     int ret = cmXMLParser::InitializeParser();

Source/cmLocalVisualStudio10Generator.h

@@ -24,7 +24,7 @@ public:
   //! Set cache only and recurse to false by default.
   cmLocalVisualStudio10Generator(cmGlobalGenerator* gg, cmMakefile* mf);
 
-  virtual ~cmLocalVisualStudio10Generator();
+  ~cmLocalVisualStudio10Generator() override;
 
   void ReadAndStoreExternalGUID(const std::string& name,
                                 const char* path) override;

Source/cmLocalVisualStudio7Generator.cxx

@@ -2165,8 +2165,8 @@ void cmVS7GeneratorOptions::OutputFlag(std::ostream& fout, int indent,
 class cmVS7XMLParser : public cmXMLParser
 {
 public:
-  virtual void EndElement(const std::string& /* name */) {}
-  virtual void StartElement(const std::string& name, const char** atts)
+  void EndElement(const std::string& /* name */) override {}
+  void StartElement(const std::string& name, const char** atts) override
   {
     // once the GUID is found do nothing
     if (!this->GUID.empty()) {
@@ -2191,7 +2191,7 @@ public:
       }
     }
   }
-  int InitializeParser()
+  int InitializeParser() override
   {
     int ret = cmXMLParser::InitializeParser();
     if (ret == 0) {

Source/cmLocalVisualStudio7Generator.h

@@ -48,7 +48,7 @@ public:
   //! Set cache only and recurse to false by default.
   cmLocalVisualStudio7Generator(cmGlobalGenerator* gg, cmMakefile* mf);
 
-  virtual ~cmLocalVisualStudio7Generator();
+  ~cmLocalVisualStudio7Generator() override;
 
   cmLocalVisualStudio7Generator(const cmLocalVisualStudio7Generator&) = delete;
   const cmLocalVisualStudio7Generator& operator=(

Source/cmLocalVisualStudioGenerator.h

@@ -29,7 +29,7 @@ class cmLocalVisualStudioGenerator : public cmLocalGenerator
 {
 public:
   cmLocalVisualStudioGenerator(cmGlobalGenerator* gg, cmMakefile* mf);
-  virtual ~cmLocalVisualStudioGenerator();
+  ~cmLocalVisualStudioGenerator() override;
 
   std::string ConstructScript(cmCustomCommandGenerator const& ccg,
                               const std::string& newline = "\n");

Source/cmVisualStudioWCEPlatformParser.h

@@ -41,9 +41,9 @@ public:
   }
 
 protected:
-  virtual void StartElement(const std::string& name, const char** attributes);
-  void EndElement(const std::string& name);
-  void CharacterDataHandler(const char* data, int length);
+  void StartElement(const std::string& name, const char** attributes) override;
+  void EndElement(const std::string& name) override;
+  void CharacterDataHandler(const char* data, int length) override;
 
 private:
   std::string FixPaths(const std::string& paths) const;