The error information is as follows:<br><br>[ 87%] Built target vtkNetCDF<br>[ 94%] Built target vtkexoIIc<br>[ 94%] Built target QVTK<br><br>Linking CXX shared library ../../bin/libQVTKWidgetPlugin.dylib<br>Undefined symbols:<br>
&nbsp; &quot;vtkCarbonRenderWindow::UpdateGLRegion()&quot;, referenced from:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; QVTKWidget::DirtyRegionProcessor(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)&nbsp;&nbsp; in QVTKWidget.o<br>ld: symbol(s) not found<br>collect2: ld returned 1 exit status<br>
make[2]: *** [bin/libQVTKWidgetPlugin.dylib] Error 1<br>make[1]: *** [GUISupport/Qt/CMakeFiles/QVTKWidgetPlugin.dir/all] Error 2<br>make: *** [all] Error 2<br><br>I&#39;ve already turned on VTK_USE_CARBON and VTK_USE_QVTK.<br>
<br>Any suggestion is welcome.&nbsp; Thank you very much.<br><br>Regards,<br>Yingyi<br><br><br>