Cleanup: use override specifier everywhere, and enable gcc warning to check for it.

src/util/dynamic_arg.hpp

@@ -54,7 +54,7 @@
   
   /// Implementation of a dynamic argument
   #define IMPLEMENT_DYNAMIC_ARG(Type, name, initial) \
-    THREAD_LOCAL Type name##_private = initial;
+    THREAD_LOCAL Type name##_private = initial
 
   /// Locally change the value of a dynamic argument
   /** Usage:
@@ -107,10 +107,10 @@
   };
   
   #define DECLARE_DYNAMIC_ARG(Type, name) \
-    extern ThreadLocalObject<Type> name;
+    extern ThreadLocalObject<Type> name
 
   #define IMPLEMENT_DYNAMIC_ARG(Type, name, initial) \
-    ThreadLocalObject<Type> name (initial);
+    ThreadLocalObject<Type> name (initial)
 
   #define WITH_DYNAMIC_ARG(name, value) \
     name.store(value);

src/util/io/package.hpp

@@ -316,9 +316,9 @@ inline void after_reading(Packaged& p, Version file_app_version) {
 /// A package that just contains a bunch of files that are used from other packages
 class IncludePackage : public Packaged {
 protected:
-  String typeName() const;
-  Version fileVersion() const;
-  DECLARE_REFLECTION();
+  String typeName() const override;
+  Version fileVersion() const override;
+  DECLARE_REFLECTION_OVERRIDE();
 };
 
 // ----------------------------------------------------------------------------- : Utility

src/util/smart_ptr.hpp

@@ -104,12 +104,12 @@ inline intrusive_ptr<T> make_intrusive(Args&&... args) {
 /// Declares the type TypeP as a intrusive_ptr<Type>
 #define DECLARE_POINTER_TYPE(Type) \
   class Type; \
-  typedef intrusive_ptr<Type> Type##P;
+  typedef intrusive_ptr<Type> Type##P
 
 /// Declares the type TypeP as a shared_ptr<Type>
 #define DECLARE_SHARED_POINTER_TYPE(Type) \
   class Type; \
-  typedef shared_ptr<Type> Type##P;
+  typedef shared_ptr<Type> Type##P
 
 // ----------------------------------------------------------------------------- : Utility
 

src/util/vcs/subversion.hpp

@@ -15,9 +15,9 @@
 
 class SubversionVCS : public VCS {
 public:
-  virtual void addFile (const wxFileName& filename);
-  virtual void moveFile (const wxFileName& source, const wxFileName& destination);
-  virtual void removeFile (const wxFileName& filename);
+  void addFile (const wxFileName& filename) final;
+  void moveFile (const wxFileName& source, const wxFileName& destination) final;
+  void removeFile (const wxFileName& filename) final;
   
   DECLARE_REFLECTION();
 };