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haskell 1.1.0 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
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+2     Formal proof management system
num                 0           The Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.03.0      The OCaml compiler (virtual package)
ocaml-base-compiler 4.03.0      Official 4.03.0 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "johnw@newartisans.com"
homepage: "https://github.com/jwiegley/coq-haskell"
dev-repo: "git+https://github.com/jwiegley/coq-haskell.git"
bug-reports: "https://github.com/jwiegley/coq-haskell/issues"
license: "BSD-3-Clause"
synopsis: "A library to provide Haskell-familiar constructions in Coq"
description: """
This library is designed for Haskell users who are either using Coq to build
code intended for extraction to Haskell, or who wish to prototype/prove their
algorithms in Coq. It provides a collection of definitions and notations to
make Gallina more familiar to Haskellers.
"""
build: [make "-j%{jobs}%"]
install: [make "install"]
depends: [
  "coq" {(>= "8.14" & < "8.17~") | (= "dev")}
]
url {
  src: "https://github.com/jwiegley/coq-haskell/archive/refs/tags/1.1.tar.gz"
  checksum: "sha256=66243d54a6ff551a9ec762d69e5ff6a09869e7d5ce6504fa3a63350efde03720"
}
authors: [
  "John Wiegley"
]
tags: [
  "keyword:haskell"
  "category:Miscellaneous/Coq Extensions"
  "date:2022-07-22"
  "logpath:Hask"
]

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-haskell.1.1.0 coq.8.7.1+2

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.7.1+2).
The following dependencies couldn't be met:
  - coq-haskell -> coq >= dev -> ocaml >= 4.05.0
      base of this switch (use `--unlock-base' to force)
  - coq-haskell -> coq >= dev -> coq-core -> ocaml >= 4.09.0
      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-haskell.1.1.0
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