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Subject: Re: [OMPI users] openmpi -cc=<compiler name> option
From: Uday Kumar Reddy B (udayreddy_at_[hidden])
Date: 2011-09-23 06:59:55


On Fri, Sep 23, 2011 at 3:33 PM, Jeff Squyres <jsquyres_at_[hidden]> wrote:
> On Sep 23, 2011, at 2:04 AM, Uday Kumar Reddy B wrote:
>
>> Okay. BTW, mpicc only has 7 cmdline options, and you probably already
>> support some of them (-show), and they are all provided for good
>> reason.
>
> I assume you mean that *MPICH's* mpicc has 7 command line options.  Open MPI's mpicc only has 1: --showme (although it has multiple forms).  It looks like we did make -show be a synonym for --showme, though.
>
> The FAQ items I sent earlier (and the OMPI mpicc.1 man page) show how we chose to use environment variables instead of command line options for altering the wrapper compiler's behavior.
>

MVAPICH, for eg., supports the same set of options as MPICH (-help
output is identical); so it would be good if you can too. I don't know
if any other MPIs follow it as well.

-- Uday

> --
> Jeff Squyres
> jsquyres_at_[hidden]
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