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Subject: Re: [MTT devel] Extracting transparent data from OMPI
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-02-06 13:47:16


If this is going to be an OMPI-module-specific field, then running
ompi_info is fine. But doesn't the GNU configure MTT module already
have the configure command line?

On Feb 6, 2008, at 1:44 PM, Josh Hursey wrote:

>
> On Feb 6, 2008, at 11:32 AM, Ethan Mallove wrote:
>
>>>>
>>>>
>>>>> For the configure options we *could* parse the config.log to
>>>>> extract
>>>>> this data. The question is, if we did this, what do we want to
>>>>> look?
>>>>> And is this something we want to do? Is there another way?
>>>>
>>>> I think having a network-like field for the MPI install section
>>>> might
>>>> be good, and possibly have an OMPI:: funclet to automatically do
>>>> the
>>>> parsing. But we need to be mindful of MPIs that won't have a
>>>> configure script, so what information goes there might be dubious
>>>> (or
>>>> just empty?).
>>>
>>> Yeah I think an Open MPI specific function should do the parsing
>>> since
>>> the configure options we want to grab will be specific to Open
>>> MPI. I
>>> think in the case of no configure script it would just be empty.
>>>
>>
>> The info we are looking for in config.log is not available
>> in ompi_info? Parsing config.log throws a monkey wrench into
>> an AlreadyInstalled testing scenario.
>
> I haven't looked to see for sure what the difference between the two
> would be. But if ompi_info provides the information that we need, then
> we can use it. Otherwise then we should try to parse config.log if it
> is available.
>
> If we are doing an MPI Install and the build fails (due to maybe an
> enabled feature) then we will have to depend upon parsing config.log
> to see exactly which fields are available since ompi_info will not be
> available to us at this point.
>
> -- Josh
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-- 
Jeff Squyres
Cisco Systems