[mpich-discuss] mpich2 / openmpi conflicts on osx 10.5?

[Thomas Blom]

Thanks.  Perhaps that would have worked.  What I ended up doing was "hiding"
the headers, libs, and exes for the openmpi that came installed on the mac.
Then I did the configure, make, and make install again, and it worked.

-thomas

On Wed, Dec 17, 2008 at 11:12 PM, Rajeev Thakur <thakur at mcs.anl.gov> wrote:

>  Just try logging out and log back in again.
>
> Rajeev
>
>  ------------------------------
> *From:* mpich-discuss-bounces at mcs.anl.gov [mailto:
> mpich-discuss-bounces at mcs.anl.gov] *On Behalf Of *Thomas Blom
> *Sent:* Wednesday, December 17, 2008 10:06 PM
> *To:* mpich-discuss at mcs.anl.gov
> *Subject:* [mpich-discuss] mpich2 / openmpi conflicts on osx 10.5?
>
> Hello,
>
> I've successfully used mpich2 on windows and on a couple of other osx
> machines, but having just built mpich2 from source on a new mac pro I
> encounter difficulty when trying to run some mpi programs.
>
> OSX 10.5 ships with OpenMPI apparently, such that there are mpi* programs
> in /usr/bin
>
> I accepted the default when configuring/building/installing mpich2, such
> that it gets installed to /usr/local/bin
>
> Once I realized that the wrong mpiexec was getting called, I chose to
> "hide" the /usr/bin versions (not knowing otherwise how to disable or
> uninstall the openmpi) by just creating a folder _mpi_hidden in /usr/bin and
> placing all those mpi* programs in there.
>
> Now when I type "which mpiexec" it correctly states /usr/local/bin/mpiexec
> (the mpich2 installed version)
>
> But when I try the example "mpiexec -n 3 hostname" I get the error message
>
> -bash: /usr/bin/mpiexec: No such file or directory
>
> I'm not clear about what's going on here.  Is the python mpiexec in
> /usr/local/bin trying to call the preexisting mpiexec in /usr/bin?
>
> The original mpiexec in /usr/bin reports this when run without argument
>
> mpiexec (OpenRTE) 1.2.3
> <usage/flags snipped>
>
> Thanks for any help untangling this problem.  I'm not sure why I didn't run
> into this problem on a new imac that was setup similarly a couple months
> ago...Perhaps OS preinstalled on that system was an earlier rev of 10.5.
> For whatever reason it does not have any mpi programs in /usr/bin.
>
> -thomas blom
> ices/ut austin
>
>
>
>
>
>
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