[jira] [Commented] (ARROW-15903) [C++] Cannot build with system CUDA toolkit and conda-forge compilers

["Antoine Pitrou (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-15903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17504323#comment-17504323 ] 

Antoine Pitrou commented on ARROW-15903:
----------------------------------------

cc [~uwe]

> [C++] Cannot build with system CUDA toolkit and conda-forge compilers
> ---------------------------------------------------------------------
>
>                 Key: ARROW-15903
>                 URL: https://issues.apache.org/jira/browse/ARROW-15903
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++, GPU
>            Reporter: Antoine Pitrou
>            Priority: Major
>
> I have the CUDA toolkit installed on my Ubuntu 20.04 machine. I can build Arrow with CUDA support fine using the system-provided clang. However, if I try the conda-forge clang, I get the following CMake error when configuring:
> {code}
> -- Unable to find cudart library.
> CMake Error at /home/antoine/miniconda3/envs/pyarrow/share/cmake-3.22/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
>   Could NOT find CUDAToolkit (missing: CUDA_CUDART) (found version
>   "10.1.243")
> Call Stack (most recent call first):
>   /home/antoine/miniconda3/envs/pyarrow/share/cmake-3.22/Modules/FindPackageHandleStandardArgs.cmake:594 (_FPHSA_FAILURE_MESSAGE)
>   /home/antoine/miniconda3/envs/pyarrow/share/cmake-3.22/Modules/FindCUDAToolkit.cmake:814 (find_package_handle_standard_args)
>   src/arrow/gpu/CMakeLists.txt:40 (find_package)
> {code}



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