[Openmp-dev] [OpenMP-dev] OMPT tests failing on OSX

[Jeff Hammond via Openmp-dev]

I meant drop it on MacOS only, where it is not supported

Jeff

On Tue, Jul 3, 2018 at 11:25 AM, Joachim Protze <protze.joachim at gmail.com>
wrote:

> Hi Jeff,
>
> Just to make sure. Was your suggestion to completely remove the option, or
> just drop it on osx?
>
> At least on Ubuntu systems I made the experience that this option is
> needed to overwrite the default linker behavior which will not load the
> tool, because the application does not call any of the functions provided
> by this library.
>
> In our case the OpenMP runtime will use dlsym to find the ompt_start_tool
> function.
>
> Is there a better way to portably tell the linker to link this library
> anyways?
>
> Best
> Joachim
>
> Jeff Hammond via Openmp-dev <openmp-dev at lists.llvm.org> schrieb am Di.,
> 3. Juli 2018, 02:05:
>
>> Why don't you verify that it works when that flag is omitted and then
>> submit a patch upstream?
>>
>> Jeff
>>
>> On Mon, Jul 2, 2018 at 5:02 PM, Simone Atzeni <simone at cs.utah.edu> wrote:
>>
>>> I was wondering because for our tool Archer (OpenMP data race detector)
>>> we run the OMPT tests to make sure that we are using the correct OpenMP
>>> version and those two failures make fail our Travis CI.
>>>
>>> It would be great if it could be fixed.
>>>
>>> Thanks.
>>> Simone
>>>
>>>
>>> On Jul 2, 2018, at 5:58 PM, Jeff Hammond <jeff.science at gmail.com> wrote:
>>>
>>> The fix appears to be "don't use that option", as demonstrated by
>>> https://github.com/pytorch/pytorch/issues/3436.  I have not verified
>>> this, although I am a Mac user and can do so if necessary.
>>>
>>> Jeff
>>>
>>> On Mon, Jul 2, 2018 at 4:41 PM, Simone Atzeni via Openmp-dev <
>>> openmp-dev at lists.llvm.org> wrote:
>>>
>>>> Hi,
>>>>
>>>> On Mac two OMPT tests (see below) fail because the linking option
>>>> "--no-as-needed” is not recognized (using LLVM/Clang 6.0.1)
>>>> Does anyone know a workaround for this?
>>>>
>>>> Failing Tests (2):
>>>>     libomp :: ompt/loadtool/tool_available/tool_available.c
>>>>     libomp :: ompt/loadtool/tool_not_available/tool_not_available.c
>>>>
>>>> Thanks.
>>>> Simone
>>>>
>>>> _______________________________________________
>>>> Openmp-dev mailing list
>>>> Openmp-dev at lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev
>>>>
>>>
>>>
>>>
>>> --
>>> Jeff Hammond
>>> jeff.science at gmail.com
>>> http://jeffhammond.github.io/
>>>
>>>
>>>
>>
>>
>> --
>> Jeff Hammond
>> jeff.science at gmail.com
>> http://jeffhammond.github.io/
>> _______________________________________________
>> Openmp-dev mailing list
>> Openmp-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev
>>
>


-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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