In Rocks (CentOS) 5.4 the 'cpan -i Parallel::MPI::Simple' command fails to correctly compile the module, but I was able to eventually make it work by following the instructions of Eric Martel in

https://ericmartel.net/blogue/?p=45

which consist of changing gcc for mpicc in the generated makefile in .cpan/build/ , hope it helps

In reply to Re^6: OpenMPI and Perl by brunocontreras
in thread OpenMPI and Perl by spadacciniweb

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