On Feb 29, 2012, at 9:39 AM, Stefano Dal Pont wrote:
> I'm a newbie with openMPI so the problem it's probably me :)
> Im using a Fortran 90 code developed under Ubuntu 10.04. I've recently installed the same code on my Archlinux machine but I have some issues concerning openMPI.
> A simple example-code works fine on both machine while the "big" code gives a segmentation fault error on Archlinux.
> On Ubuntu gcc 4.3 is used while on Arch gcc version is 4.6. Is there a way to make openmpi use gcc 4.3?
This is a local configuration issue, not really an Open MPI issue.
Open MPI will compile itself with whichever compiler you tell it to; if you have both gcc 4.3 and 4.6 installed correctly on your machine, you can probably configure Open MPI with:
./configure CC=/path/to/gcc4.3/bin/gcc CXX=/path/to/gcc4.3/bin/g++ \
F77=/path/to/gcc4.3/bin/gfortran FC=/path/to/gcc4.3/bin/gfortran ...
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