libmenhir-ocaml-dev 20200123-2 (ppc64el binary) in ubuntu focal

 Menhir is a LR(1) parser generator for the OCaml programming language.
 It is mostly compatible with the ocamlyacc parser generator provided with
 OCaml, and has a number of enhancements over ocamlyacc.
 .
 This package contains the Menhir library for the OCaml programming language.
 It gives access to, among others, the following modules:
  * InfiniteArray: implements infinite arrays, that is, arrays
    that grow transparently upon demand.
  * RowDisplacement: compresses a two-dimensional table, where some
    values are considered insignificant, via row displacement.
  * Engine: LR parsing engine.