mpirun using application options as mpirun options

[cniethammer]

Background information

What version of Open MPI are you using? (e.g., v4.1.6, v5.0.1, git branch name and hash, etc.)

mpirun --version
mpirun (Open MPI) 5.0.5
(Build from release tarball)

Operating system/version: Rocky Linux 8.10

Details of the problem

The option parser in mpirun gets confused by application args if no mpirun options are provided and takes the application args as his own options:

shell$ mpirun -n 1 /bin/true --version
true (GNU coreutils) 8.30
...
# OK output


shell$ mpirun /bin/true --version
mpirun (Open MPI) 5.0.5

Report bugs to https://www.open-mpi.org/community/help/

[rhc54]

Yes, we know - noted and fixed. Just waiting for release.