diff --git a/Source/CPack/cmCPackBundleGenerator.h b/Source/CPack/cmCPackBundleGenerator.h
index 9cb2f0ac7..c6fa408e4 100644
--- a/Source/CPack/cmCPackBundleGenerator.h
+++ b/Source/CPack/cmCPackBundleGenerator.h
@@ -29,12 +29,12 @@ public:
   virtual ~cmCPackBundleGenerator();
 
 protected:
-  virtual int InitializeInternal();
-  virtual const char* GetPackagingInstallPrefix();
+  int InitializeInternal() CM_OVERRIDE;
+  const char* GetPackagingInstallPrefix() CM_OVERRIDE;
   int ConstructBundle();
   int SignBundle(const std::string& src_dir);
-  int PackageFiles();
-  bool SupportsComponentInstallation() const;
+  int PackageFiles() CM_OVERRIDE;
+  bool SupportsComponentInstallation() const CM_OVERRIDE;
 
   std::string InstallPrefix;
 };
diff --git a/Source/CPack/cmCPackDragNDropGenerator.h b/Source/CPack/cmCPackDragNDropGenerator.h
index 1392b2194..a5f89f685 100644
--- a/Source/CPack/cmCPackDragNDropGenerator.h
+++ b/Source/CPack/cmCPackDragNDropGenerator.h
@@ -29,17 +29,17 @@ public:
   virtual ~cmCPackDragNDropGenerator();
 
 protected:
-  virtual int InitializeInternal();
-  virtual const char* GetOutputExtension();
-  int PackageFiles();
-  bool SupportsComponentInstallation() const;
+  int InitializeInternal() CM_OVERRIDE;
+  const char* GetOutputExtension() CM_OVERRIDE;
+  int PackageFiles() CM_OVERRIDE;
+  bool SupportsComponentInstallation() const CM_OVERRIDE;
 
   bool CopyFile(std::ostringstream& source, std::ostringstream& target);
   bool CreateEmptyFile(std::ostringstream& target, size_t size);
   bool RunCommand(std::ostringstream& command, std::string* output = 0);
 
   std::string GetComponentInstallDirNameSuffix(
-    const std::string& componentName);
+    const std::string& componentName) CM_OVERRIDE;
 
   int CreateDMG(const std::string& src_dir, const std::string& output_file);
 
diff --git a/Source/CPack/cmCPackOSXX11Generator.h b/Source/CPack/cmCPackOSXX11Generator.h
index adc05d296..d1d6789a0 100644
--- a/Source/CPack/cmCPackOSXX11Generator.h
+++ b/Source/CPack/cmCPackOSXX11Generator.h
@@ -32,10 +32,10 @@ public:
   virtual ~cmCPackOSXX11Generator();
 
 protected:
-  virtual int InitializeInternal();
-  int PackageFiles();
-  virtual const char* GetPackagingInstallPrefix();
-  virtual const char* GetOutputExtension() { return ".dmg"; }
+  virtual int InitializeInternal() CM_OVERRIDE;
+  int PackageFiles() CM_OVERRIDE;
+  const char* GetPackagingInstallPrefix() CM_OVERRIDE;
+  const char* GetOutputExtension() CM_OVERRIDE { return ".dmg"; }
 
   // bool CopyCreateResourceFile(const std::string& name,
   //                            const std::string& dir);
diff --git a/Source/CPack/cmCPackPKGGenerator.h b/Source/CPack/cmCPackPKGGenerator.h
index 8d10943da..d2135cc9b 100644
--- a/Source/CPack/cmCPackPKGGenerator.h
+++ b/Source/CPack/cmCPackPKGGenerator.h
@@ -33,11 +33,11 @@ public:
   cmCPackPKGGenerator();
   virtual ~cmCPackPKGGenerator();
 
-  virtual bool SupportsComponentInstallation() const;
+  bool SupportsComponentInstallation() const CM_OVERRIDE;
 
 protected:
-  virtual int InitializeInternal();
-  virtual const char* GetOutputPostfix() { return "darwin"; }
+  int InitializeInternal() CM_OVERRIDE;
+  const char* GetOutputPostfix() CM_OVERRIDE { return "darwin"; }
 
   // Copies or creates the resource file with the given name to the
   // package or package staging directory dirName. The variable
diff --git a/Source/CPack/cmCPackPackageMakerGenerator.h b/Source/CPack/cmCPackPackageMakerGenerator.h
index 5192377b7..d1314a454 100644
--- a/Source/CPack/cmCPackPackageMakerGenerator.h
+++ b/Source/CPack/cmCPackPackageMakerGenerator.h
@@ -33,12 +33,12 @@ public:
    */
   cmCPackPackageMakerGenerator();
   virtual ~cmCPackPackageMakerGenerator();
-  bool SupportsComponentInstallation() const;
+  bool SupportsComponentInstallation() const CM_OVERRIDE;
 
 protected:
-  virtual int InitializeInternal();
-  int PackageFiles();
-  virtual const char* GetOutputExtension() { return ".dmg"; }
+  int InitializeInternal() CM_OVERRIDE;
+  int PackageFiles() CM_OVERRIDE;
+  const char* GetOutputExtension() CM_OVERRIDE { return ".dmg"; }
 
   // Run PackageMaker with the given command line, which will (if
   // successful) produce the given package file. Returns true if
diff --git a/Source/CPack/cmCPackProductBuildGenerator.h b/Source/CPack/cmCPackProductBuildGenerator.h
index b05b50a02..fd2c090a9 100644
--- a/Source/CPack/cmCPackProductBuildGenerator.h
+++ b/Source/CPack/cmCPackProductBuildGenerator.h
@@ -33,9 +33,9 @@ public:
   virtual ~cmCPackProductBuildGenerator();
 
 protected:
-  virtual int InitializeInternal();
-  int PackageFiles();
-  virtual const char* GetOutputExtension() { return ".pkg"; }
+  int InitializeInternal() CM_OVERRIDE;
+  int PackageFiles() CM_OVERRIDE;
+  const char* GetOutputExtension() CM_OVERRIDE { return ".pkg"; }
 
   // Run ProductBuild with the given command line, which will (if
   // successful) produce the given package file. Returns true if