Fix is here: https://github.com/open-mpi/ompi/pull/4301 
<https://github.com/open-mpi/ompi/pull/4301>

> On Oct 4, 2017, at 11:19 AM, Jeff Squyres (jsquyres) <[email protected]> 
> wrote:
> 
> Thanks Ralph.
> 
>> On Oct 4, 2017, at 2:07 PM, [email protected] wrote:
>> 
>> I’ll fix
>> 
>>> On Oct 4, 2017, at 10:57 AM, Sylvain Jeaugey <[email protected]> wrote:
>>> 
>>> See my last comment on #4257 :
>>> 
>>> https://github.com/open-mpi/ompi/pull/4257#issuecomment-332900393
>>> 
>>> We should completely disable CUDA in hwloc. It is breaking the build, but 
>>> more importantly, it creates an extra dependency on the CUDA runtime that 
>>> Open MPI doesn't have, even when compiled with --with-cuda (we load symbols 
>>> dynamically).
>>> 
>>> On 10/04/2017 10:42 AM, Barrett, Brian via devel wrote:
>>>> All -
>>>> 
>>>> It looks like nVidia’s MTT started failing on 9/26, due to not finding 
>>>> Cuda.  There’s a suspicious commit given the error message in the hwloc 
>>>> cuda changes.  Jeff and Brice, it’s your patch, can you dig into the build 
>>>> failures?
>>>> 
>>>> Brian
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> 
> -- 
> Jeff Squyres
> [email protected]
> 
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