
Per suggestion by @bangerth, allow mpirun to execute as root if two envars are set to specific values Per conversation with @jsquyres, name the envars OMPI_ALLOW_RUN_AS_ROOT and OMPI_ALLOW_RUN_AS_ROOT_CONFIRM Fixes #4451 Signed-off-by: Ralph Castain <rhc@open-mpi.org> Signed-off-by: Jeff Squyres <jsquyres@cisco.com> (cherry picked from commit 7f1444d5f9e504ff50392a0f73e81787c01b7a0e)