[vtkusers] X11 CMake Errors on Mac

[Bill Lorensen]

Is your VTK built with QT turned on?

On Fri, Jan 4, 2013 at 3:57 PM, Berkowitz, Benjamin M
<benjamin-berkowitz at uiowa.edu> wrote:
> Bill,
>
> Yes, that's where I got the wiki example.  I tried 3 different examples, though (this, BorderWidgetQt, and SideBySideRenderWindowsQt), and none worked.
>
> Thanks,
> Ben
>
> On Jan 4, 2013, at 2:40 PM, Bill Lorensen <bill.lorensen at gmail.com>
>  wrote:
>
>> Ben,
>>
>> How did you get the wiki example. Did you download the tarball from
>> here: http://itk.org/Wiki/VTK/Examples/Cxx/Qt/EventQtSlotConnect#Download_and_Build_EventQtSlotConnect
>>
>> Bill
>>
>> On Fri, Jan 4, 2013 at 3:36 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>> David,
>>>
>>> The wiki examples are very well maintained. I just downloaded the
>>> tarball for EventQtSlotConnect and it built fine for VTK6.
>>>
>>> I'll have to try it with VTK5.
>>>
>>> Bill
>>>
>>> On Fri, Jan 4, 2013 at 3:11 PM, David Gobbi <david.gobbi at gmail.com> wrote:
>>>> So VTK itself built fine?  It's just an example that fails to build?
>>>> The problem is most likely with the example.  Those wiki
>>>> examples are provided by the community (anyone can edit the
>>>> wiki) so I'm not sure how well-maintained they are.
>>>>
>>>> From the error that you are seeing, which says that the
>>>> symbol vtkEventQtSlotConnect::New cannot be found,
>>>> I can say that the target_link_libraries in the example's
>>>> CMakeLists.txt must be missing the QVTK library.  That's
>>>> the library that defines the missing function.
>>>>
>>>> - David
>>>>
>>>>
>>>> On Fri, Jan 4, 2013 at 12:48 PM, Berkowitz, Benjamin M
>>>> <benjamin-berkowitz at uiowa.edu> wrote:
>>>>> Hi David,
>>>>>
>>>>> I uninstalled and reinstalled both Qt and VTK.  I tried building the EventQtSlotConnect example, and I'm getting this error:
>>>>>
>>>>> Linking CXX executable EventQtSlotConnect.app/Contents/MacOS/EventQtSlotConnect
>>>>> Undefined symbols for architecture x86_64:
>>>>>  "QVTKWidget::QVTKWidget(QWidget*, QFlags<Qt::WindowType>)", referenced from:
>>>>>      Ui_EventQtSlotConnect::setupUi(QMainWindow*) in EventQtSlotConnect.cxx.o
>>>>>  "vtkEventQtSlotConnect::New()", referenced from:
>>>>>      vtkSmartPointer<vtkEventQtSlotConnect>::New() in EventQtSlotConnect.cxx.o
>>>>> ld: symbol(s) not found for architecture x86_64
>>>>> clang: error: linker command failed with exit code 1 (use -v to see invocation)
>>>>> make[2]: *** [EventQtSlotConnect.app/Contents/MacOS/EventQtSlotConnect] Error 1
>>>>> make[1]: *** [CMakeFiles/EventQtSlotConnect.dir/all] Error 2
>>>>> make: *** [all] Error 2
>>>>>
>>>>>
>>>>> Do you have any ideas?
>>>>>
>>>>> Thanks,
>>>>> Ben
>>>>>
>>>>>
>>>>>
>>>>> On Jan 4, 2013, at 12:10 PM, David Gobbi <david.gobbi at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I should also mention: if you are using OS X 10.8, then you should
>>>>>> be using VTK 5.10.1 rather than VTK 5.10.  The .1 release included
>>>>>> some small fixes for OS X 10.8.
>>>>>>
>>>>>> - David
>>>>>>
>>>>>>
>>>>>> On Fri, Jan 4, 2013 at 11:00 AM, David Gobbi <david.gobbi at gmail.com> wrote:
>>>>>>> Hi Ben,
>>>>>>>
>>>>>>> Go with Qt 4.8.  Qt is what most people use with VTK.  Install the dmg
>>>>>>> file from digia (qt-mac-opensource-4.8.4.dmg) and then build your VTK
>>>>>>> with these CMake options:
>>>>>>>
>>>>>>> BUILD_SHARED=ON
>>>>>>> VTK_USE_COCOA=ON
>>>>>>> VTK_USE_QT=ON
>>>>>>>
>>>>>>> That's all that I do when I build VTK with Qt.  The VTK build on OS X
>>>>>>> 10.6 through 10.8 is x86_64 by default, which works fine with the Qt
>>>>>>> binary package that I mentioned above.  If you have build/link issues
>>>>>>> related to Qt, check the QT-related variables in VTK's CMakeCache.txt
>>>>>>> to make sure that it is finding the right versions of all the Qt
>>>>>>> libraries (if you have multiple versions of Qt installed on your
>>>>>>> system, this could be an issue).
>>>>>>>
>>>>>>> - David
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Jan 4, 2013 at 10:38 AM, bberkowi <benjamin-berkowitz at uiowa.edu> wrote:
>>>>>>>> Thanks, that makes sense.  I was hoping that I would be able to use KWWidgets
>>>>>>>> to build a simple GUI, but it seems like that may not be the case.  I also
>>>>>>>> haven't had luck with VTK for use with either Qt 4.8 or 5.0.  Do you know of
>>>>>>>> any alternatives?
>>>>>
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>>
>>
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