[vtkusers] Find reason for exclusion of vtkGUISupportQtOpenGL in build output?

[Elvis Stansvik]

2016-06-29 16:27 GMT+02:00 Mike Chinander <chinander at gmail.com>:

> Was vtkGUISupportQtOpenGL2 built instead? What is your
> VTK_RENDERING_BACKEND set to? OpenGL2 is the default for 7.0.
>

 vtkGUISupportQtOpenGL2 was not built either AFAICS (I don't think there is
such a module). I don't set VTK_RENDERING_BACKEND explicitly, so it's
defaulting to OpenGL2:

-- Setting rendering backend to 'OpenGL2' as none was specified.

But I think the name of the QtOpenGL modules is the same, regardless of the
rendering backend used.

I now found that the vtkGUISupportQtOpenGL is defined (in
GUISupport/QtOpenGL/module.cmake) with:

if(VTK_RENDERING_BACKEND STREQUAL "OpenGL")
  set(_groups GROUPS Qt)
endif()
vtk_module(vtkGUISupportQtOpenGL
  ${_groups}
  DEPENDS
    vtkGUISupportQt
    vtkRendering${VTK_RENDERING_BACKEND}
  TEST_DEPENDS
    vtkTestingCore
    vtkTestingRendering
    vtkFiltersSources
  EXCLUDE_FROM_WRAPPING
  )

Does this mean the module will only be part of the Qt group if the OpenGL
backend is used? Not when using the OpenGL2 backend? If so, how do I
activate it when using OpenGL2?

Elvis



> On Wed, Jun 29, 2016 at 9:22 AM, Elvis Stansvik <
> elvis.stansvik at orexplore.com> wrote:
>
>> Hi,
>>
>> I'm building a custom Ubuntu package of VTK-7.0.0 at this PPA:
>>
>>     https://launchpad.net/~elvstone/+archive/ubuntu/vtk7
>>
>> the full build log is at:
>>
>>
>> https://launchpadlibrarian.net/261625779/buildlog_ubuntu-xenial-amd64.vtk7_7.0.0-0ubuntu2_BUILDING.txt.gz
>>
>> I only recently discovered that the vtkGUISupportQtOpenGL module was not
>> included.
>>
>> Anyone know how I can deduce from the build log why it wasn't built?
>>
>> The only relevant message I could find in the CMake output is:
>>
>>     -- Group Qt modules:
>> vtkRenderingQt;vtkGUISupportQtSQL;vtkGUISupportQt;vtkViewsQt
>>
>> But I can't find anything stating the reason for vtkGUISupportQtOpenGL
>> not being built.
>>
>> The build slave has libqt5opengl5 and libqt5opengl5-dev installed (search
>> for "Setting up libqt5opengl5" in the build log linked above).
>>
>> Do I have to specify something more than -DVTK_Group_Qt=ON and
>> -DVTK_QT_VERSION=5 to get this module?
>>
>> Thanks in advance,
>> Elvis
>>
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