[vtkusers] VTK with QT, linking problem with uic ?

[Antonin Perrot-Audet]

On 4/29/10 6:17 PM, Antonin Perrot-Audet wrote:
> Hello,
>
> I am trying to use the QVTKWidget, within a CMake project. I get an 
> undefined symbol error :
>
> Undefined symbols:
> "QVTKWidget::QVTKWidget(QWidget*, QFlags<Qt::WindowType>)", referenced 
> from:
> Ui_Form::setupUi(QWidget*) in form.cxx.o
> ld: symbol(s) not found
>
> I tried to include as much libraries as possible in my cmakelists.txt 
> : here is a short version of it :
>
>   PROJECT(ITKVTKQT)
>   INCLUDE( ${QT_USE_FILE} )
>   # this will run uic on .ui files:
>   QT4_WRAP_UI( ITKVTKQT_UI_HDRS ${ITKVTKQT_UIS} )
>   # and finally this will run moc:
>   QT4_WRAP_CPP( ITKVTKQT_MOC_SRCS ${ITKVTKQT_MOC_HDRS} )
>   # we need this to be able to include headers produced by uic in our 
> code
>   INCLUDE_DIRECTORIES( ${CMAKE_BINARY_DIR} )
>
>   # We finally build and link all together :
>   ADD_EXECUTABLE(ItkVtkQt ${ITKVTKQT_SRCS} ${ITKVTKQT_MOC_SRCS} 
> ${ITKVTKQT_RC_SRCS} ${ITKVTKQT_UI_HDRS})
>   TARGET_LINK_LIBRARIES(ItkVtkQt ${VTK_LIBRARIES} ${ITK_LIBRARIES} 
> ${QT_LIBRARIES})
>
> It seems like the problem comes from the ui conversion (uic), it 
> doesn't find the QVTKWidget symbol I guess, but I don't understand 
> why, as the header generated by uic contains #include <QVTKWidget.h> ...
>
> Does anyone have an idea ? Any help would be greatly appreciated.
>
> Thanks,
>
> Antonin
>
>
> PS : thanks for the Compile error on OS X 10.5 mails !
>
Hello Antonin,
(I let myself answer to my previous question :) you just forgot to add 
the QVTK libraries to your VTK_LIBRARIES

Antonin