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Date:	Thu, 30 Apr 2015 08:45:04 +0200
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: OpenMPI installation bug: /usr/bin/mpif90 links to non-existent target
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On 4/30/2015 3:32 AM, Mark Hadfield wrote:
> I have the current versions of openmpi and libopenmpi installed in
> Cygwin-64. The mpif90 command (MPI wrapper for Gfortran) does not
> execute, even though /usr/bin/mpif90 exists. The problem is that
> /usr/bin/mpif90 is a symbolic link to /usr/bin/mpifort.exe, which does
> not exist. However /usr/bin/mpifort does exist (and is itself a link
> to /usr/bin/opal_wrapper.exe). I have cured this by changing the
> target of /usr/bin/mpif90:
>
> $ ln -sf /usr/bin/mpifort /usr/bin/mpif90
>
> Mark Hadfield
> 51 Volga St
> Wellington 6023, NZ
>

Yes, I know.

you can also use

ln -sf usr/bin/opal_wrapper.exe /usr/bin/mpif90
ln -sf usr/bin/opal_wrapper.exe /usr/bin/mpif77

It is due to the interation of openmpi double link
and cygport post-install rename of links.

1.8.5 will not have the issue, as I proposed a patch upstream

https://github.com/open-mpi/ompi-release/commit/1147ddee73e84f80e27799e77391fc74033a6391 


Regards
Marco

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