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topology 8.12.0 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
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       Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
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
ocamlfind           1.9.5       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "palmskog@gmail.com"
homepage: "https://github.com/coq-community/topology"
dev-repo: "git+https://github.com/coq-community/topology.git"
bug-reports: "https://github.com/coq-community/topology/issues"
license: "LGPL-2.1-or-later"
synopsis: "General Topology in Coq"
description: """
This library develops some of the basic concepts
and results of general topology in Coq.
"""
build: [make "-j%{jobs}%" ]
install: [make "install"]
depends: [
  "coq" {>= "8.11" & < "8.13~"}
  "coq-zorns-lemma" {>= "8.11" & < "8.13~"}
]
tags: [
  "category:Mathematics/Real Calculus and Topology"
  "keyword:topology"
  "keyword:filters"
  "keyword:nets"
  "keyword:metric spaces"
  "keyword:real analysis"
  "keyword:Urysohn's lemma"
  "keyword:Tietze extension theorem"
  "logpath:Topology"
]
authors: [
  "Daniel Schepler"
]
url {
  src: "https://github.com/coq-community/topology/archive/v8.12.0.tar.gz"
  checksum: "sha512=88fb3b9ad75e3cceb78e248044cd3ccc36003437aacfe3ac240dd7405d830461ef244cc79cbdb988178ed3f98b7030a148aa9474d0d43e43a0e0be5772359e21"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-topology.8.12.0 coq.8.7.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.7.1).
The following dependencies couldn't be met:
  - coq-topology -> coq >= 8.11 -> ocaml >= 4.09.0
      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-topology.8.12.0
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