/usr/share/postgresql/9.4/extension/ip4r.control is in postgresql-9.4-ip4r 2.0.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | # ip4r
default_version = '2.0'
relocatable = 'true'
module_pathname = '$libdir/ip4r'
|