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Subject: Re: [OMPI users] Building OpenMPI 10.4 with PGI fortran 10.8 and gcc
From: Gus Correa (gus_at_[hidden])
Date: 2010-09-14 15:50:51

Hi Axel

This is an old problem, apparently with libtool.
A workaround is to configure OpenMPI with
F77 and FC='pgf90 -noswitcherror'.
Worth trying.

I hope this helps,
Gus Correa
Gustavo Correa
Lamont-Doherty Earth Observatory - Columbia University
Palisades, NY, 10964-8000 - USA

Axel Schweiger wrote:
> Trying to build a hybrid OpenMPI with PGI fortran and gcc to support
> WRF model
> The problem appears to be due to a -pthread switch passed to pgfortran.
> libtool: link: pgfortran -shared -fpic -Mnomain .libs/mpi.o
> .libs/mpi_sizeof.o .libs/mpi_comm_spawn_multiple_f90.o
> .libs/mpi_testall_f90.o .libs/mpi_testsome_f90.o .libs/mpi_waitall_f90.o
> .libs/mpi_waitsome_f90.o .libs/mpi_wtick_f90.o .libs/mpi_wtime_f90.o
> -Wl,-rpath -Wl,/home/axel/AxboxInstall/openmpi-1.4.2/ompi/.libs
> -Wl,-rpath -Wl,/home/axel/AxboxInstall/openmpi-1.4.2/orte/.libs
> -Wl,-rpath -Wl,/home/axel/AxboxInstall/openmpi-1.4.2/opal/.libs
> -Wl,-rpath -Wl,/opt/openmpi-pgi-gcc-1.42/lib
> -L/home/axel/AxboxInstall/openmpi-1.4.2/orte/.libs
> -L/home/axel/AxboxInstall/openmpi-1.4.2/opal/.libs
> ../../../ompi/.libs/
> /home/axel/AxboxInstall/openmpi-1.4.2/orte/.libs/
> /home/axel/AxboxInstall/openmpi-1.4.2/opal/.libs/ -ldl
> -lnsl -lutil -lm -pthread -Wl,-soname -Wl, -o
> .libs/
> pgfortran-Error-Unknown switch: -pthread
> make[4]: *** [] Error 1
> There has been discussion on this issue and the below solution
> suggested. This doesn't appear to work for the 10.8
> release.
> There was a previous thread:
> suggesting other solutions.
> Wondering if there is a better solution right now? Building 1.4.2
> Thanks
> Axel
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