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mathcomp-fingroup 1.6 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-num            base        Num library distributed with the OCaml compiler
base-ocamlbuild     base        OCamlbuild binary and libraries distributed with the OCaml compiler
base-threads        base
base-unix           base
camlp5              7.14        Preprocessor-pretty-printer of OCaml
conf-findutils      1           Virtual package relying on findutils
conf-perl           2           Virtual package relying on perl
coq                 8.7.1+1     Formal proof management system
num                 0           The Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.02.3      The OCaml compiler (virtual package)
ocaml-base-compiler 4.02.3      Official 4.02.3 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
name: "coq-mathcomp-fingroup"
version: "1.6"
maintainer: "Mathematical Components <mathcomp-dev@sympa.inria.fr>"
homepage: "http://ssr.msr-inria.inria.fr/"
bug-reports: "Mathematical Components <mathcomp-dev@sympa.inria.fr>"
license: "CeCILL-B"
build: [ make "-C" "mathcomp/fingroup" "-j" "%{jobs}%" ]
install: [ make "-C" "mathcomp/fingroup" "install" ]
remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/mathcomp/fingroup'" ]
depends: [
  "ocaml"
  "coq-mathcomp-ssreflect" {= "1.6"}
]
tags: [ "keyword:finite groups" "keyword:small scale reflection" "keyword:mathematical components" "keyword:odd order theorem" ]
authors: [ "Jeremy Avigad <>" "Andrea Asperti <>" "Stephane Le Roux <>" "Yves Bertot <>" "Laurence Rideau <>" "Enrico Tassi <>" "Ioana Pasca <>" "Georges Gonthier <>" "Sidi Ould Biha <>" "Cyril Cohen <>" "Francois Garillot <>" "Alexey Solovyev <>" "Russell O'Connor <>" "Laurent Théry <>" "Assia Mahboubi <>" ]
synopsis: "Mathematical Components Library on finite groups"
description: """
This library contains definitions and theorems about finite groups,
group quotients, group morphisms, group presentation, group action..."""
url {
  src: "http://github.com/math-comp/math-comp/archive/mathcomp-1.6.tar.gz"
  checksum: "md5=038ba80c0d6b430428726ae4d00affcf"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-mathcomp-fingroup.1.6 coq.8.7.1+1
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.7.1+1).
The following dependencies couldn't be met:
  - coq-mathcomp-fingroup -> coq-mathcomp-ssreflect < 1.6.1 -> coq < 8.6~ -> ocaml < 4.02.0
      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-mathcomp-fingroup.1.6
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