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higman-nw 8.9.0 Not compatible ๐Ÿ‘ผ

Context

# Packages matching: installed
# Name                   # Installed # Synopsis
base-bigarray            base
base-threads             base
base-unix                base
conf-findutils           1           Virtual package relying on findutils
conf-gmp                 4           Virtual package relying on a GMP lib system installation
coq                      8.15.1      Formal proof management system
dune                     3.12.1      Fast, portable, and opinionated build system
ocaml                    4.06.1      The OCaml compiler (virtual package)
ocaml-base-compiler      4.06.1      Official 4.06.1 release
ocaml-config             1           OCaml Switch Configuration
ocaml-secondary-compiler 4.08.1-1    OCaml 4.08.1 Secondary Switch Compiler
ocamlfind                1.9.6       A library manager for OCaml
ocamlfind-secondary      1.9.6       Adds support for ocaml-secondary-compiler to ocamlfind
zarith                   1.13        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "Hugo.Herbelin@inria.fr"
homepage: "https://github.com/coq-contribs/higman-nw"
license: "LGPL 2.1"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/HigmanNW"]
depends: [
  "ocaml"
  "coq" {>= "8.9" & < "8.10~"}
]
tags: [
  "keyword: A-translation"
  "keyword: Higman's lemma"
  "keyword: impredicativity"
  "keyword: System F"
  "keyword: extraction"
  "category: Mathematics/Logic"
  "category: Mathematics/Combinatorics and Graph Theory"
  "category: Miscellaneous/Extracted Programs/Combinatorics"
]
authors: [
  "Hugo Herbelin"
]
bug-reports: "https://github.com/coq-contribs/higman-nw/issues"
dev-repo: "git+https://github.com/coq-contribs/higman-nw.git"
synopsis: "A program from an A-translated impredicative proof of Higman's Lemma"
description: """
The file Higman.v formalizes an A-translated version of
Nash-Williams impredicative and classical proof of Higman's lemma
for a two-letter alphabet.
A constructive and impredicative program can be extracted from the proof."""
flags: light-uninstall
url {
  src: "https://github.com/coq-contribs/higman-nw/archive/v8.9.0.tar.gz"
  checksum: "md5=2e1bab3c386453e0eb8679fed82711a1"
}

Lint

Command
true
Return code
0

Dry install ๐Ÿœ๏ธ

Dry install with the current Coq version:

Command
opam install -y --show-action coq-higman-nw.8.9.0 coq.8.15.1
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.15.1).
The following dependencies couldn't be met:
  - coq-higman-nw -> coq < 8.10~ -> ocaml < 4.06.0
      base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
No solution found, exiting

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

Command
opam remove -y coq; opam install -y --show-action --unlock-base coq-higman-nw.8.9.0
Return code
0

Install dependencies

Command
true
Return code
0
Duration
0 s

Install ๐Ÿš€

Command
true
Return code
0
Duration
0 s

Installation size

No files were installed.

Uninstall ๐Ÿงน

Command
true
Return code
0
Missing removes
none
Wrong removes
none