cmake: Workaround unspecified CUDA directories on Windows #15
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The compute capability logic has been improved in #8. However, as the variables
CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIESandCMAKE_CUDA_IMPLICIT_LINK_DIRECTORIESare now involved, this resulted in a regression when compiling with Visual Studio (Windows). Here, the variables are not defined [1] [2] which caused build failures. Workaround this issue by manually computing the paths in this scenario.Once the respective CMake bug is fixed, we can remove the workaround. If this workaround is not sufficient, we need to revert to the older and slower version.
[1] https://gitlab.kitware.com/cmake/cmake/issues/18733
[2] https://gitlab.kitware.com/cmake/cmake/issues/19229