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Subject: Re: [OMPI users] Fwd: Problems building openmpi 1.2.6 with Lahey Fortran
From: Craig Tierney (Craig.Tierney_at_[hidden])
Date: 2008-08-07 14:15:34


Jeff Squyres wrote:
> Sorry I dropped attention on this thread; Ralph posted a reply earlier
> but it got rejected because he's not a member of the list. Here's his
> reply.
>

I will coordinate with Ralf and try to add Lahey support to Libtool.

Craig

> Begin forwarded message:
>
>> From: Ralf Wildenhues <Ralf.Wildenhues_at_[hidden]>
>> Date: August 4, 2008 2:53:49 PM EDT
>> To: Jeff Squyres <jsquyres_at_[hidden]>
>> Cc: Open MPI Users <users_at_[hidden]>
>> Subject: Re: [OMPI users] Problems building openmpi 1.2.6 with Lahey
>> Fortran
>>
>> Hello Craig, Jeff,
>>
>> * Jeff Squyres wrote on Sun, Aug 03, 2008 at 03:20:17PM CEST:
>>> Open MPI uses GNU Libtool to build itself. I suspect that perhaps
>>> Libtool doesn't know the Right Mojo to understand the Lahey compilers,
>>> and that's why you're seeing this issue. As such, it might well be that
>>> your workaround is the best one.
>>>
>>> Ralf -- we build the OMPI 1.2 series with that same "late beta" Libtool
>>> (2.1a) that we have forever. Do you recall offhand if Libtool 2.x
>>> before
>>> 2.2 supported the Lahey fortran compilers?
>>
>> Libtool does not yet support Lahey. Neither Absoft Fortran 90
>> (which was asked about a while ago).
>>
>> If you would like to see support for Lahey and Absoft in Libtool,
>> here's what you can do that really helps getting there faster:
>>
>> - get me some access to these compilers. A login to a system
>> with one of them would be great, but a long-term trial version
>> (2 weeks helps little for later regression testing) would be
>> better than nothing, too (sometimes a friendly email is all it
>> takes for this);
>>
>> - alternatively, a volunteer that has access to the compilers,
>> to help me with the port, or do the porting herself. This will
>> require installing git Libtool and running its testsuite anywhere
>> between once and several times, and reading and sending some emails
>> with patches resp. test results.
>>
>>
>> Otherwise, here's some tips for workaround building: edit the generated
>> libtool scripts (there are a few in the OpenMPI build tree) and set
>> pic_flag (to --shared), archive_cmds (to contain --shared), and
>> archive_export_cmds correctly everywhere. These variables are set once
>> for each compiler: the C compiler comes at the beginning, all other ones
>> near the end of the script.
>>
>> Cheers,
>> Ralf
>
>

-- 
Craig Tierney (craig.tierney_at_[hidden])