WIP: Experimental Python package builds against ITK 6.0 Beta 2

[thewtex]

No description provided.

[thewtex]

xref: https://forum.image.sc/t/8x-slower-registration-with-itk-elastix-python-api-vs-elastix-cli-minimal-reproducible-example/119868/2

[thewtex]

xref #307

[thewtex]

Call Stack (most recent call first):
  CMakeLists.txt:71 (FetchContent_Populate)
This warning is for project developers.  Use -Wno-dev to suppress it.

CMake Warning (dev) at /home/runner/work/ITKElastix/ITK/CMake/UseITK.cmake:28 (message):
  CMake/UseITK.cmake is deprecated.

  Please update CMakeLists.txt to use `find_package(ITK)` and link to
  "${ITK_INTERFACE_LIBRARIES}".

Call Stack (most recent call first):
  /home/runner/work/ITKElastix/build/_deps/elx-src/CMakeLists.txt:89 (include)

@N-Dekker is there a version of elastix that has been updated for ITK 6 CMake module targets?

[N-Dekker]

is there a version of elastix that has been updated for ITK 6 CMake module targets?

@thewtex I don't think so, sorry! The last time I tried an ITK 6 with elastix, it was still without "CMake module targets", if I understand correctly. It was using the old ITK v6.0b02 tagged by Hans: https://github.com/SuperElastix/elastix/tree/Use-ITK-v6.0b02

Do you think support for ITK 6 CMake module targets could be added without dropping ITK5, for elastix? You know, I would like the main branch of elastix to support using an official release of ITK, not just a beta. So then elastix should at least support the last non-beta of ITK, which is now ITK 5.4.5. 🤷