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Subject: Re: [OMPI users] Unable to include mpich library
From: Srinivas Gopal (srinivas13.2_at_[hidden])
Date: 2010-06-28 02:10:53


I have used the wrapper compilers ($FC=mpif90 and $CC=mpicc), even then i
was getting these errors. Anyway I used -lmpi in place of -lmpich and the
build was successful. Thanks a lot for your help :)

Cheers,
Srinivas

On Fri, Jun 25, 2010 at 5:19 PM, Jeff Squyres <jsquyres_at_[hidden]> wrote:

> On Jun 25, 2010, at 4:11 AM, Götz Waschk wrote:
>
> > libmpich is not part of open-mpi. Maybe your software build with mpich
> > only? If your software does not use anything specific to mpich, you
> > could try to change -lmpich to -lmpi .
>
> Better yet, the Open MPI team strongly discourages listing individual MPI
> libraries on the link line because we reserve the right to change them over
> time.
>
> Instead, we *strongly* advise you to just use Open MPI's wrapper compilers,
> which will insert all the Right compiler and linker flags. Then you don't
> have to worry about any of those pesky -I and -L options, especially when
> transitioning between different MPI implementations and versions of Open
> MPI.
>
> http://www.open-mpi.org/faq/?category=mpi-apps#general-build
> http://www.open-mpi.org/faq/?category=mpi-apps#cant-use-wrappers
>
> --
> 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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