[llvm-dev] [GPUCC] link against libdevice

[Chandler Carruth via llvm-dev]

Directly CC-ing some folks who may be able to help.

On Fri, Jul 29, 2016 at 6:27 AM Yuanfeng Peng via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>
> I was trying to compile scalarProd.cu (from CUDA SDK) with the following
> command:
>
> * clang++ -I../ -I/usr/local/cuda-7.0/samples/common/inc
> --cuda-gpu-arch=sm_50 scalarProd.cu*
>
>  but ended up with the following error:
>
> *ptxas fatal   : Unresolved extern function '__nv_mul24'*
>
> Seems to me that libdevice was not automatically linked.  I wonder what
> flags I need to pass to clang to have the code linked against libdevice?
>
> Thanks!
> Yuanfeng Peng
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> llvm-dev at lists.llvm.org
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