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higman-cf 8.5.0 Not compatible

(2021-11-05 09:57:39 UTC)

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              3           Virtual package relying on a GMP lib system installation
coq                   8.13.2      Formal proof management system
num                   1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml                 4.12.0      The OCaml compiler (virtual package)
ocaml-base-compiler   4.12.0      Official release 4.12.0
ocaml-config          2           OCaml Switch Configuration
ocaml-options-vanilla 1           Ensure that OCaml is compiled with no special options enabled
ocamlfind             1.9.1       A library manager for OCaml
zarith                1.12        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "matej.kosik@inria.fr"
homepage: "https://github.com/coq-contribs/higman-cf"
license: "LGPL 2"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/HigmanCF"]
depends: [
  "ocaml"
  "coq" {>= "8.5" & < "8.6~"}
]
tags: [
  "keyword:Higman's lemma"
  "keyword:extraction"
  "category:Mathematics/Combinatorics and Graph Theory"
  "category:Miscellaneous/Extracted Programs/Combinatorics"
]
authors: [ "Stefan Berghofer <>" ]
bug-reports: "https://github.com/coq-contribs/higman-cf/issues"
dev-repo: "git+https://github.com/coq-contribs/higman-cf.git"
synopsis: "A direct constructive proof of Higman's Lemma"
description: """
This development formalizes in Coq the Coquand-Friedlender proof of
Higman's lemma for a two-letter alphabet.
An efficient program can be extracted from the proof."""
flags: light-uninstall
url {
  src: "https://github.com/coq-contribs/higman-cf/archive/v8.5.0.tar.gz"
  checksum: "md5=d7aa48da8599c6f16969e195bf7c61e0"
}

Lint

Command
true
Return code
0

Dry install

Dry install with the current Coq version:

Command
opam install -y --show-action coq-higman-cf.8.5.0 coq.8.13.2
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.13.2).
The following dependencies couldn't be met:
  - coq-higman-cf -> coq < 8.6~ -> ocaml < 4.06.0
      base of this switch (use `--unlock-base' to force)
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-cf.8.5.0
Return code
0

Install dependencies

Command
true
Return code
0
Duration
0 s

Install

Command
true
Return code
0
Duration
0 s

Installation size

No files were installed.

Uninstall

Command
true
Return code
0
Missing removes
none
Wrong removes
none