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opal_wrapper(1) man page (version 1.4.5)

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opal_wrapper - Back-end Open MPI wrapper command


opal_wrapper [options]


opal_wrapper is not meant to be called directly by end users. It is automatically invoked as the back-end by the Open MPI wrapper commands such as: mpicc, mpiCC, mpic++, mpif77, and mpif90.

Some Open MPI installations may have additional wrapper commands, and/or have renamed the wrapper compilers listed above to avoid executable name conflicts with other MPI implementations. Hence, you may also have wrapper compilers installed including the following names: mpif90.openmpi, mpif77.openmpi, mpicxx.openmpi, mpiCC.openmpi, mpicc.openmpi, mpic++.openmpi, opalcc, opalc++, ortecc, and ortec++,

See Also

The following may exist depending on your particular Open MPI installation: mpicc(1), mpiCC(1), mpic++(1), mpif77(1), mpif90(1), mpif90.openmpi(1), mpif77.openmpi(1), mpicxx.openmpi(1), mpiCC.openmpi(1), mpicc.openmpi(1), mpic++.openmpi(1), ortecc(1), ortec++(1), opalccc(1), and the website at


The Open MPI maintainers -- see or the file AUTHORS.

This manual page was originally contributed by Dirk Eddelbuettel <email-address-removed>, one of the Debian GNU/Linux maintainers for Open MPI, and may be used by others.

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