Manpages of libopenmpi-dev in Debian experimental

• mpiCC.openmpi(1)
• mpic++.openmpi(1)
• mpicc.openmpi(1)
• mpicxx.openmpi(1)
• mpif77.openmpi(1)
• mpif90.openmpi(1)
• mpifort.openmpi(1)
• opalCC(1)
• opal_wrapper(1)
• opalc++(1)
• opalcc(1)
• orteCC(1)
• ortec++(1)
• ortecc(1)
• oshcc(1)
• oshfort(1)