postgres_targets_postgres14?
      ( dev-db/postgresql:14=[server,threads
            (+)
      ] )

postgres_targets_postgres13?
      ( dev-db/postgresql:13=[server,threads
            (+)
      ] )

postgres_targets_postgres12?
      ( dev-db/postgresql:12=[server,threads
            (+)
      ] )

perl?
      ( dev-perl/DBD-Pg )