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tlc 20210316 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-num            base        Num library distributed with the OCaml compiler
base-threads        base
base-unix           base
conf-findutils      1           Virtual package relying on findutils
coq                 8.10.1      Formal proof management system
num                 0           The Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.05.0      The OCaml compiler (virtual package)
ocaml-base-compiler 4.05.0      Official 4.05.0 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "arthur.chargueraud@inria.fr"
homepage: "https://github.com/charguer/tlc"
dev-repo: "git+https://github.com/charguer/tlc.git"
bug-reports: "https://github.com/charguer/tlc/issues"
license: "MIT"
synopsis: "TLC: A Library for Classical Coq"
description: """
Provides an alternative to the core of the Coq standard library, using classic definitions.
"""
build: [make "-j%{jobs}%"]
install: [make "install"]
depends: [
  "coq" { >= "8.12" }
]
tags: [
  "category:Miscellaneous/Coq Extensions"
  "date:2021-03-16"
  "keyword:classical logic"
  "logpath:TLC"
]
authors: [
  "Arthur Charguéraud"
]
url {
  src: "https://github.com/charguer/tlc/archive/20210316.tar.gz"
  checksum: [
    "md5=a88c1bd2b7995d256b88fc7f75ac1f60"
    "sha512=886e6151dbbf04e6bc73289c4661bda6d176219b341ad6a43269f66c383f617a6b6a7fbcf048e015d9455b15bb4e361957c660d94c092cc13a1db206bf3c4505"
  ]
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-tlc.20210316 coq.8.10.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.10.1).
The following dependencies couldn't be met:
  - coq-tlc -> coq >= 8.12 -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
  - coq-tlc -> coq >= 8.12 -> coq-core -> 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-tlc.20210316
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