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Subject: Re: [OMPI users] openmpi -cc=<compiler name> option
From: Uday Kumar Reddy B (udayreddy_at_[hidden])
Date: 2011-09-22 16:17:28


On 09/23/2011 01:33 AM, Ralph Castain wrote:
> Ummm...yes, because you are getting the man page for the MPICH mpicc, not ours. Try setting your manpage path to point to the OMPI install directory.

Yes, but I can't find anything about -cc in openmpi's mpicc man page.
So, -cc should either not be supported or work as per mpich's mpicc if
you are wrapping around it.

Thanks,

-- Uday

>
>
> On Sep 22, 2011, at 1:55 PM, Uday Kumar Reddy B wrote:
>
>> On Fri, Sep 23, 2011 at 1:21 AM, Jeff Squyres<jsquyres_at_[hidden]> wrote:
>>> Right: -cc is not an option to Open MPI's mpicc wrapper compiler (I don't think it ever has been).
>>
>> But that's not what the manual says ('man mpicc').
>>
>> --------------
>> COMMAND LINE ARGUMENTS
>> -show - Show the commands that would be used without runnning them
>> -help - Give short help
>> -cc=name
>> - Use compiler name instead of the default choice.
>> Use this only if the compiler is compatible
>> with the MPICH library (see below)
>> ---------------
>>
>>
>> -- Uday
>>
>>
>>>
>>> See http://www.open-mpi.org/faq/?category=mpi-apps#cant-use-wrappers and http://www.open-mpi.org/faq/?category=mpi-apps#override-wrappers-after-v1.0.
>>>
>>>
>>> On Sep 22, 2011, at 3:44 PM, Uday Kumar Reddy B wrote:
>>>
>>>> I have openmpi via the distribution package: openmpi-1.4.3-7.fc14.i686
>>>>
>>>> When attempting to make mpicc use another compiler as follows:
>>>>
>>>> mpicc -cc=icc ...
>>>>
>>>> I get
>>>>
>>>> gcc: unrecognized option '-cc=icc'
>>>> /tmp/ccHd339C.o: In function `main':
>>>>
>>>> It looks like it's just passing this as option to gcc instead of using
>>>> the supplied compiler.
>>>>
>>>> -- Uday
>>>> _______________________________________________
>>>> users mailing list
>>>> users_at_[hidden]
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
>>>
>>> --
>>> Jeff Squyres
>>> jsquyres_at_[hidden]
>>> For corporate legal information go to:
>>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>>
>>>
>>> _______________________________________________
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>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
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