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unicoq 1.6+8.17 Not compatible 👼

Context

# Packages matching: installed
# Name                # Installed # Synopsis
base-bigarray         base
base-domains          base
base-nnp              base        Naked pointers prohibited in the OCaml heap
base-threads          base
base-unix             base
conf-gmp              4           Virtual package relying on a GMP lib system installation
coq                   8.18.0      The Coq Proof Assistant
coq-core              8.18.0      The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            8.18.0      The Coq Proof Assistant -- Standard Library
coqide-server         8.18.0      The Coq Proof Assistant, XML protocol server
dune                  3.13.0      Fast, portable, and opinionated build system
ocaml                 5.1.1       The OCaml compiler (virtual package)
ocaml-base-compiler   5.1.1       Official release 5.1.1
ocaml-config          3           OCaml Switch Configuration
ocaml-options-vanilla 1           Ensure that OCaml is compiled with no special options enabled
ocamlfind             1.9.6       A library manager for OCaml
zarith                1.13        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "matthieu.sozeau@inria.fr"
authors: [ "Matthieu Sozeau <matthieu.sozeau@inria.fr>" "Beta Ziliani <beta@mpi-sws.org>" ]
dev-repo: "git+https://github.com/unicoq/unicoq.git"
homepage: "https://github.com/unicoq/unicoq"
bug-reports: "https://github.com/unicoq/unicoq/issues"
license: "MIT"
build: [
  ["coq_makefile" "-f" "_CoqProject" "-o" "Makefile"]
  [make "-j%{jobs}%"]
]
install: [
  [make "install"]
]
depends: [
  "ocaml"
  "coq" {>= "8.17" & < "8.18~"}
]
synopsis: "An enhanced unification algorithm for Coq"
tags: [
  "logpath:Unicoq"
  "date:2023-03-28"
]
url {
  src: "https://github.com/unicoq/unicoq/archive/v1.6-8.17.tar.gz"
  checksum: "sha512=188aad5027880f70c75f84425f45418e4ba9f8759c7d19bba2735ad826b12b230eb8fd583cf6c9ad4d3ae1789ddf30010798cf8ca1a1cdbacdf563d7606c75af"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-unicoq.1.6+8.17 coq.8.18.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.18.0).
[ERROR] Package conflict!
  * No agreement on the version of coq:
    - coq >= 8.18.0
    - coq-unicoq = 1.6+8.17 -> coq < 8.18~
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1
    - coq-unicoq = 1.6+8.17 -> coq < 8.18~ -> ocaml < 4.02.0
    You can temporarily relax the switch invariant with `--update-invariant'
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler >= 5.1.1
    - coq-unicoq = 1.6+8.17 -> coq < 8.18~ -> ocaml < 4.02.0 -> ocaml-base-compiler < 3.07+1
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.1.1 -> base-nnp
    - coq-unicoq = 1.6+8.17 -> coq < 8.18~
  * Missing dependency:
    - coq-unicoq = 1.6+8.17 -> coq < 8.18~ -> ocaml < 4.02.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
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-unicoq.1.6+8.17
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