[vtkusers] X11 CMake Errors on Mac

[Bill Lorensen]

Be,

Also your VTK must be built with VTK_USE_QT:BOOL=ON

Bill

On Fri, Jan 4, 2013 at 3:40 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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