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bertrand 8.11.0 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
coq                 8.12.1      Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.07.1      Official release 4.07.1
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/bertrand"
dev-repo: "git+https://github.com/coq-community/bertrand.git"
bug-reports: "https://github.com/coq-community/bertrand/issues"
license: "LGPL-2.1-or-later"
synopsis: "Correctness of Knuth's algorithm for prime numbers"
description: """
A proof of correctness of the algorithm for computing prime
numbers as described in "The Art of Computer Programming:
Fundamental Algorithms" by Knuth, pp. 147-149, and an
application using Bertrand's postulate.
"""
build: [make "-j%{jobs}%"]
install: [make "install"]
depends: [
  "coq" {>= "8.8" & < "8.12~"}
]
tags: [
  "category:Mathematics/Arithmetic and Number Theory/Number theory"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Correctness proofs based on external tools"
  "category:Miscellaneous/Extracted Programs/Arithmetic"
  "keyword:Knuth's algorithm"
  "keyword:prime numbers"
  "keyword:Bertrand's postulate"
  "logpath:Bertrand"
  "date:2020-08-21"
]
authors: [
  "Laurent Théry"
]
url {
  src: "https://github.com/coq-community/bertrand/archive/v8.11.0.tar.gz"
  checksum: "sha512=64ff110193197cba1a7858ae478c675727a4ff89ccccc1eeb70d857d8bcba1c0adc3786d73a9a605b1b92b9cd99a9fa8299548491307f23414d5700e65f84f4d"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-bertrand.8.11.0 coq.8.12.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.12.1).
The following dependencies couldn't be met:
  - coq-bertrand -> coq < 8.12~ -> ocaml < 4.06.0
      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-bertrand.8.11.0
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