[llvm-dev] use clang++ to build lulesh 2.0 failed

[Justin Lebar via llvm-dev]

> ​It looks like clang++ is complaining about the thrust library comes with
cuda,

The Thrust library that comes with CUDA is indeed not compatible with
clang.  We made a number of changes to Thrust to make it work with clang
(it was relying on what we considered to be bugs in nvcc), but they're only
available in the upstream Thrust: https://github.com/thrust/thrust.

No promises that one builds with Clang either, but at least it should.

On Tue, Feb 20, 2018 at 1:24 PM Hui Zhang via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
>
> I'm trying to use clang++ instead of nvcc to build lulesh 2.0 cuda
> version. And it fails in the compilation with errors like the one below:
>
> opt/common/cuda/cuda-7.5.18/include/thrust/iterator/iterator_adaptor.h:187:5:
> error: expected member name or ';' after declaration specifiers
>     __thrust_exec_check_disable__
>
> ​It looks like clang++ is complaining about the thrust library comes with
> cuda, while nvcc works fine for this case. So does it mean clang++ does not
> support compiling this benchmark (even though it's cuda 7.5)? Or how should
> I tackle these errors?
>
> Thanks a lot!​
>
> --
> Best regards
>
>
> Hui Zhang
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> llvm-dev at lists.llvm.org
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