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relation-algebra 1.6 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                   dev         The Coq Proof Assistant
coq-core              dev         The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            dev         The Coq Proof Assistant -- Standard Library
coqide-server         dev         The Coq Proof Assistant, XML protocol server
dune                  3.12.2      Fast, portable, and opinionated build system
ocaml                 5.0.0       The OCaml compiler (virtual package)
ocaml-base-compiler   5.0.0       Official release 5.0.0
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: "Damien Pous <Damien.Pous@ens-lyon.fr>"
homepage: "http://perso.ens-lyon.fr/damien.pous/ra/"
license: "LGPL"
build: [
  ["coq_makefile" "-f" "Make" "-o" "Makefile"]
  [make "-j%{jobs}%"]
]
install: [make "install"]
depends: [
  "ocaml"
  "coq" {>= "8.5.1" & < "8.6~" & != "8.5.2~camlp4"}
]
tags: [
  "keyword:relation algebra"
  "keyword:Kleene algebra with tests"
  "keyword:KAT"
  "keyword:allegories"
  "keyword:residuated structures"
  "keyword:automata"
  "keyword:regular expressions"
  "keyword:matrices"
  "category:Mathematics/Algebra"
  "logpath:RelationAlgebra"
]
authors: [ "Damien Pous <Damien.Pous@ens-lyon.fr>" ]
synopsis: "Relation Algebra and KAT"
description:
  "A modular library about relation algebra, from idempotent semirings to residuated Kleene allegories, including a decision tactic for Kleene algebra with Tests (KAT)."
url {
  src: "https://github.com/damien-pous/relation-algebra/archive/v1.6.tar.gz"
  checksum: "md5=028c37f7e4607d220d6e054cb0428273"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-relation-algebra.1.6 coq.dev

Return code

5120

Output

[NOTE] Package coq is already installed (current version is dev).
[ERROR] Package conflict!
  * No agreement on the version of coq:
    - coq >= dev
    - coq-relation-algebra = 1.6 -> coq < 8.6~
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 5.0.0 -> ocaml = 5.0.0
    - coq-relation-algebra = 1.6 -> coq < 8.6~ -> ocaml < 4.05.0
    You can temporarily relax the switch invariant with `--update-invariant'
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler = 5.0.0
    - coq-relation-algebra = 1.6 -> coq < 8.6~ -> ocaml < 4.05.0 -> ocaml-base-compiler = 3.08.1
  * Missing dependency:
    - coq-relation-algebra = 1.6 -> coq < 8.6~ -> ocaml < 4.05.0 -> 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-relation-algebra.1.6
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