MakeFiles/knfoviewer.dir/knfoviewer4.o: In function `KNfoViewerPart4* KPluginFactory::create<KNfoViewerPart4>(QObject*, QList<QVariant> const&)':
/opt/kde4/include/kpluginfactory.h:489: undefined reference to `KNfoViewerPart4::staticMetaObject'
CMakeFiles/knfoviewer.dir/knfoviewer4.o: In function `qobject_cast<KNfoViewerPart4*>':
/usr/include/QtCore/qobject.h:428: undefined reference to `KNfoViewerPart4::staticMetaObject'
CMakeFiles/knfoviewer.dir/knfoviewer4.o: In function `KNfoViewerPart4* KPluginFactory::create<KNfoViewerPart4>(QObject*, QList<QVariant> const&)':
/opt/kde4/include/kpluginfactory.h:489: undefined reference to `KNfoViewerPart4::staticMetaObject'
CMakeFiles/knfoviewer.dir/knfoviewer4.o: In function `qobject_cast<KNfoViewerPart4*>':
/usr/include/QtCore/qobject.h:428: undefined reference to `KNfoViewerPart4::staticMetaObject'
collect2: ld returned 1 exit status
make[2]: *** [src/knfoviewer] Error 1
make[1]: *** [src/CMakeFiles/knfoviewer.dir/all] Error 2
make: *** [all] Error 2