‘staticMetaObject’ is not a member

#ifndef CONTROLLER_H_
#define CONTROLLER_H_

#include

class AbstractClass
{
public:
    virtual ~AbstractClass() {}
    virtual void update() = 0;
};

class Controller :
      public AbstractClass, public QObject
{
      Q_OBJECT

public:
      Controller();
      virtual ~Controller();
      virtual void update();

public slots:
      void m();
};

#endif /*CONTROLLER_H_*/

tmp/moc/moc_Controller.cpp:45: error: 'staticMetaObject' is not a member of 'AbstractClass'
tmp/moc/moc_Controller.cpp: In member function 'virtual void* Controller::qt_metacast(const char*)':
tmp/moc/moc_Controller.cpp:61: error: 'qt_metacast' is not a member of 'AbstractClass'
tmp/moc/moc_Controller.cpp: In member function 'virtual int Controller::qt_metacall(QMetaObject::Call, int, void**)':
tmp/moc/moc_Controller.cpp:66: error: 'qt_metacall' is not a member of 'AbstractClass'
make: *** [tmp/objects/moc_Controller.o] Error 1

class Controller :
	public AbstractClass, public QObject
{
   ...

class Controller :
	public QObject, public AbstractClass
{
   ...

12 Comments

1. Anonymous

   Posted September 17, 2009 at 9:49 AM

   Thanks! It was useful for me.
2. Ralf

   Posted October 18, 2009 at 5:05 PM

   For me to Thanks a lot
3. baltazar

   Posted March 16, 2010 at 11:36 AM

   Useful information, thank you! I had exactly the same problem and now it’s fixed.
4. Delly

   Posted July 19, 2010 at 8:31 PM

   thx a lot！=v=
5. Andrew

   Posted August 9, 2010 at 6:27 PM

   thanks a lot! This was useful. Though, I don’t understand why this problem arises. What does inheritance order influence upon?
6. slopjong

   Posted August 9, 2010 at 7:38 PM

   I don’t know why the compiler behaves like that. I’m not a C++ expert
7. nikolakoco

   Posted August 16, 2011 at 7:00 PM

   Thank you a lot. Really useful
8. Hadi

   Posted November 6, 2012 at 7:15 PM

   thank you very much.
   I have this problem and your good comment help me.
   thank you again.
9. Anand Swaroop

   Posted January 21, 2013 at 12:20 PM

   Thanks !
10. Prdel

    Posted February 14, 2013 at 2:52 PM

    Thank you!
11. Luis

    Posted May 3, 2013 at 5:40 PM

    Thank You!
12. Nilupul

    Posted May 22, 2013 at 5:39 AM

    Thank you. You solved one of my great headache.