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euler-formula 8.8.0 Not compatible 👼

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                   8.13.0      Formal proof management system
num                   1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml                 4.12.1      The OCaml compiler (virtual package)
ocaml-base-compiler   4.12.1      Official release 4.12.1
ocaml-config          2           OCaml Switch Configuration
ocaml-options-vanilla 1           Ensure that OCaml is compiled with no special options enabled
ocamlfind             1.9.5       A library manager for OCaml
zarith                1.12        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/euler-formula"
license: "LGPL"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/EulerFormula"]
depends: [
  "ocaml"
  "coq" {>= "8.8" & < "8.9~"}
]
tags: [
  "keyword: polyhedron"
  "keyword: hypermap"
  "keyword: genus"
  "keyword: Euler formula"
  "keyword: assisted proofs"
  "category: Mathematics/Geometry"
  "date: 2006-09"
]
authors: [ "Jean-François Dufourd <dufourd@dpt-info.u-strasbg.fr> [http://dpt-info.u-strasbg.fr/~jfd/]" ]
bug-reports: "https://github.com/coq-contribs/euler-formula/issues"
dev-repo: "git+https://github.com/coq-contribs/euler-formula.git"
synopsis: "Hypermaps, Genus Theorem and Euler Formula"
description:
  "This library formalizes the combinatorial hypermaps and their properties in a constructive way. It gives the proofs of the Genus Theorem and of the Euler Formula for the polyhedra."
flags: light-uninstall
url {
  src: "https://github.com/coq-contribs/euler-formula/archive/v8.8.0.tar.gz"
  checksum: "md5=3f82c1f572763a9abea83bb75b44e2c0"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-euler-formula.8.8.0 coq.8.13.0
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.13.0).
The following dependencies couldn't be met:
  - coq-euler-formula -> coq < 8.9~ -> ocaml < 4.10
      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-euler-formula.8.8.0
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