Install this package:
emerge -a sys-cluster/native-mpi
If the package is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask
emerge
autounmask sys-cluster/native-mpi
Or alternatively:
emerge --autounmask-write -a sys-cluster/native-mpi
<pkgmetadata> <maintainer type="person"> <email>alexxy@gentoo.org</email> <name>Alexey Shvetsov</name> </maintainer> <maintainer type="project"> <email>cluster@gentoo.org</email> <name>Gentoo Cluster Project</name> </maintainer> </pkgmetadata>