cuda: CMake add CUDA first class language support
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cuda: CMake add CUDA first class language support
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This was referenced Aug 20, 2023
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This PR adds CUDA first class language support which has been avaliable since CMake 3.8. Currently OpenCV uses the depreciated (since CMake 3.10) FindCUDA module.
This new feature is added automatically when OpenCV is built against CMake >= 3.18 (when the FindCUDAToolkit results variable
CUDAToolkit_LIBRARY_ROOTwas added). It can be disabled by passing-DENABLE_CUDA_FIRST_CLASS_LANGUAGE=OFFto CMake.All projects which use OpenCV targets built with
-DENABLE_CUDA_FIRST_CLASS_LANGUAGE=ONneed to use CMake >=3.18 due to the new imported targets provided by FindCUDAToolkit.Fixes opencv/opencv#23422, fixes opencv/opencv#23659, fixes opencv/opencv#24034, fixes opencv/opencv#24177, fixes opencv/opencv#24195, fixes #3143, fixes #3414
Dependent on opencv/opencv#23021.
Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.