Add missing Q_dECL_OVERRIDE

src/declarativeimports/calendar/calendarplugin.h

@@ -30,7 +30,7 @@ class CalendarPlugin : public QQmlExtensionPlugin
     Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface")
 
 public:
-    void registerTypes(const char *uri);
+    void registerTypes(const char *uri) Q_DECL_OVERRIDE;
 };
 
 #endif

src/declarativeimports/core/colorscope.h

@@ -101,7 +101,7 @@ public:
 /// @endcond
 
     ColorScope *findParentScope() const;
-    void itemChange(ItemChange change, const ItemChangeData &value);
+    void itemChange(ItemChange change, const ItemChangeData &value) Q_DECL_OVERRIDE;
 
 Q_SIGNALS:
     void colorGroupChanged();

src/declarativeimports/core/datamodel.h

@@ -139,7 +139,7 @@ Q_SIGNALS:
 
 protected:
     int roleNameToId(const QString &name);  //FIXME TODO KF6: This should have been const.
-    virtual bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
+    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const Q_DECL_OVERRIDE;
 
 protected Q_SLOTS:
     void syncRoleNames();

src/declarativeimports/core/datasource.h

@@ -58,8 +58,8 @@ public:
 
     DataSource(QObject *parent = 0);
 
-    void classBegin();
-    void componentComplete();
+    void classBegin() Q_DECL_OVERRIDE;
+    void componentComplete() Q_DECL_OVERRIDE;
 
     /**
      * true if the connection to the Plasma DataEngine is valid

src/declarativeimports/core/fadingnode.cpp

@@ -34,14 +34,14 @@ class FadingMaterialShader : public QSGSimpleMaterialShader<FadingMaterialState>
 {
     QSG_DECLARE_SIMPLE_SHADER(FadingMaterialShader, FadingMaterialState)
 public:
-    virtual const char* fragmentShader() const;
-    virtual const char* vertexShader() const;
+    const char* fragmentShader() const Q_DECL_OVERRIDE;
+    const char* vertexShader() const Q_DECL_OVERRIDE;
 
     using QSGSimpleMaterialShader<FadingMaterialState>::updateState;
     virtual void updateState(const FadingMaterialState* newState, const FadingMaterialState* oldState) override;
-    virtual QList<QByteArray> attributes() const;
+    QList<QByteArray> attributes() const Q_DECL_OVERRIDE;
 
-    virtual void initialize();
+    void initialize() Q_DECL_OVERRIDE;
 private:
     QOpenGLFunctions *glFuncs = 0;
     int m_progressId = 0;

src/declarativeimports/core/units.h

@@ -39,7 +39,7 @@ Q_SIGNALS:
     void fontChanged();
 
 protected:
-    bool eventFilter(QObject *watched, QEvent *event);
+    bool eventFilter(QObject *watched, QEvent *event) Q_DECL_OVERRIDE;
 };
 
 /**