postgresql : PostgreSQL RDBMS ( http://www.postgresql.org/ )
postgresql-base : PostgreSQL libraries and clients ( http://www.postgresql.org/ )
postgresql-server : PostgreSQL server ( http://www.postgresql.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a argent-server
For Paludis use this rsync : rsync://gentoo.zugaina.org/argent-server-portage
If you have a problem : ycarus(-at-)zugaina.org