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Excellent. Now I've read the FAQ and noticed that it doesn't mention the issue with the Fortran 90 .mod signatures. Our applications are Fortran. So your replies are very helpful -- now I know it really isn't practical for us to use the default OpenMPI shipped with RHEL6 since we use both Intel and PGI compilers and have several applications to accommodate. Presumably if all the applications did INCLUDE 'mpif.h' instead of 'USE MPI' then we could get things working, but it's not a great workaround.
Thank you very much
From: users-bounces_at_[hidden] [users-bounces_at_[hidden]] on behalf of Tim Prince [n8tm_at_[hidden]]
Sent: Wednesday, May 22, 2013 10:24 AM
Subject: EXTERNAL: Re: [OMPI users] basic questions about compiling OpenMPI
On 5/22/2013 11:34 AM, Paul Kapinos wrote:
> On 05/22/13 17:08, Blosch, Edwin L wrote:
>> Apologies for not exploring the FAQ first.
> No comments =)
>> If I want to use Intel or PGI compilers but link against the OpenMPI
>> that ships with RedHat Enterprise Linux 6 (compiled with g++ I
>> presume), are there any issues to watch out for, during linking?
> At least, the Fortran-90 bindings ("use mpi") won't work at all
> (they're compiler-dependent.
> So, our way is to compile a version of Open MPI with each compiler. I
> think this is recommended.
> Note also that the version of Open MPI shipped with Linux is usuallu a
> bit dusty.
The gfortran build of Fortran library, as well as the .mod USE files,
won't work with ifort or PGI compilers. g++ built libraries ought to
work with sufficiently recent versions of icpc.
As noted above, it's worth while to rebuild yourself, even if you use a
(preferably more up to date version of) gcc, which you can use along
with one of the commercial Fortran compilers for linux.
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