pg_config shows 9.4 instead of 9.3
问题 I am using Postgres 9.3, however my pg_config points at 9.4, preventing me from building extensions (pgTap). $ sudo aptitude search postgresql | grep ^i i postgresql-9.3 - object-relational SQL database, version 9. i postgresql-client-9.3 - front-end programs for PostgreSQL 9.3 i A postgresql-client-common - manager for multiple PostgreSQL client ver i A postgresql-common - PostgreSQL database-cluster manager i postgresql-contrib-9.3 - additional facilities for PostgreSQL As you can see above