/usr/share/postgresql/9.1/extension/tsearch2.control is in postgresql-contrib-9.1 9.1.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | # tsearch2 extension
comment = 'compatibility package for pre-8.3 text search functions'
default_version = '1.0'
module_pathname = '$libdir/tsearch2'
# this is not relocatable because the tsearch2--unpackaged--1.0.sql script
# has to use @extschema@ to avoid conflict with items in pg_catalog
relocatable = false
|