COMP: CastXML, ITKVtkGlue, include only when property exists
COMP: CastXML, ITKVtkGlue, include only when property exists

Some targets (VTK libraries) didn't have the property INTERFACE_INCLUDE_DIRECTORIES

```bash
CMake Error in Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:
  Found relative path while evaluating include directories of
  "ITKVtkGluePython":

    "_vtk_lib_include_dirs-NOTFOUND"
```

Triggered when compiling Slicer with `Slicer_BUILD_ITKPython:BOOL=ON`
aka `ITK_WRAP_PYTHON:BOOL=ON`.

Full error log with extra printing:

```bash

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:3 (message):
  ITKVtkGlue_VTK_LIBRARIES:
  VTK::IOImage;VTK::ImagingSources;VTK::WrappingPythonCore;VTK::CommonCore;VTK::CommonDataModel;VTK::kwiml;VTK::CommonExecutionModel;VTK::RenderingOpenGL2;VTK::RenderingFreeType;VTK::InteractionStyle;VTK::InteractionWidgets

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs:
  build/VTK-build/Wrapping/PythonCore;build/VTK/Wrapping/PythonCore

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs:
  build/VTK-build/Utilities/KWIML;build/VTK/Utilities/KWIML

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

CMake Warning at Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:6 (message):
  _vtk_lib_include_dirs: _vtk_lib_include_dirs-NOTFOUND

-- ITKVtkGlue: Creating module.
-- ITKVtkGlue: Creating itkImageToVTKImageFilter submodule.
-- ITKVtkGlue: Creating itkVTKImageToImageFilter submodule.
-- ITKVtkGlue: Creating itkViewImage submodule.
-- MGHIO: Creating module.
-- MGHIO: Creating itkMGHImageIO submodule.
-- MorphologicalContourInterpolation: Creating module.
-- MorphologicalContourInterpolation: Creating itkMorphologicalContourInterpolator submodule.
-- ITKPyUtils: Creating module.
-- ITKPyUtils: Creating itkPyCommand submodule.
-- ITKPyUtils: Creating itkPyImageFilter submodule.
-- Configuring done
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
_vtk_lib_include_dirs
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping
   used as include directory in directory build/ITK/Modules/Bridge/VtkGlue/wrapping

CMake Error in Modules/Bridge/VtkGlue/wrapping/CMakeLists.txt:
  Found relative path while evaluating include directories of
  "ITKVtkGluePython":

    "_vtk_lib_include_dirs-NOTFOUND"

```

vfonov/ITK,BRAINSia/ITK,richardbeare/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,richardbeare/ITK,hjmjohnson/ITK,hjmjohnson/ITK,BRAINSia/ITK,hjmjohnson/ITK,BRAINSia/ITK,LucasGandel/ITK,thewtex/ITK,LucasGandel/ITK,LucasGandel/ITK,hjmjohnson/ITK,thewtex/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,Kitware/ITK,thewtex/ITK,richardbeare/ITK,vfonov/ITK,vfonov/ITK,Kitware/ITK,thewtex/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,vfonov/ITK,Kitware/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,Kitware/ITK,richardbeare/ITK,vfonov/ITK,thewtex/ITK,LucasGandel/ITK,BRAINSia/ITK,Kitware/ITK,richardbeare/ITK,Kitware/ITK,richardbeare/ITK,richardbeare/ITK,hjmjohnson/ITK,BRAINSia/ITK,hjmjohnson/ITK,BRAINSia/ITK,Kitware/ITK,LucasGandel/ITK