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https://issues.apache.org/jira/browse/ARROW-15903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17504400#comment-17504400
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Antoine Pitrou commented on ARROW-15903:
----------------------------------------
I do have {{nvcc}} on my system:
{code}
$ which nvcc
/usr/bin/nvcc
{code}
> [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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