/usr/lib/ocaml/rss/META is in librss-ocaml 2.2.1-3build4.
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 | version = "2.2.1"
description = "Reading/writing RSS files with OCaml"
requires = "xmlm,netstring"
archive(byte) = "rss.cma"
archive(native) = "rss.cmxa"
archive(native,plugin) = "rss.cmxs"
archive(toploop) = "rss.cma"
|