[llvm-dev] clang + cuda version issue

Johannes Doerfert via llvm-dev
Wed, 20 Jan 2021 00:02:32 -0000

Hi Burlen,

it might be better to repost the question on cfe-dev at lists.llvm.org,
which is the clang frontend
developer list.

~ Johannes


On 1/19/21 5:48 PM, Burlen Loring via llvm-dev wrote:
> I'm trying to get up and running with llvm/clang + cuda. llvm 11.0.1
> successfully installed.
>
> When I try to compile the simple example shown in llvm examples I get
>
>    clang-11: warning: Unknown CUDA version. cuda.h: CUDA_VERSION=11020.
>    Assuming the latest supported version 10.1 [-Wunknown-cuda-version]
>    axpy.cu:23:7: error: use of undeclared identifier cudaConfigureCall
>       axpy<<<1, kDataLen>>>(a, device_x, device_y);
>
>
> I have cuda 11.2 installed however clang apparently needs cuda 10.1
> and I'm running fedora 33 which is too new for cuda 10.1. cuda 10.1 is
> supported on fedora 29. I can't downgrade to fedora 29.
>
> Is there a combo of llvm clang + cuda that works with fedora 33?
>
> Is there any plan for llvm to use the latest cuda? on what time frame?
>
> Thanks
> Burlen
>
>
>
>
>
>
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