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math-classes 8.11.0 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: "b.a.w.spitters@gmail.com"
homepage: "https://github.com/coq-community/math-classes"
dev-repo: "git+https://github.com/coq-community/math-classes.git"
bug-reports: "https://github.com/coq-community/math-classes/issues"
license: "Public Domain"
synopsis: "A library of abstract interfaces for mathematical structures in Coq"
description: """
Math classes is a library of abstract interfaces for mathematical structures, such as
*  Algebraic hierarchy (groups, rings, fields, …)
*  Relations, orders, …
*  Categories, functors, universal algebra, …
*  Numbers: N, Z, Q, …
*  Operations, (shift, power, abs, …)
It is heavily based on Coq’s new type classes in order to provide: structure inference, multiple inheritance/sharing, convenient algebraic manipulation (e.g. rewriting) and idiomatic use of notations.
"""
build: [
  [ "./configure.sh" ]
  [ make "-j%{jobs}%" ]
]
install: [make "install"]
depends: [
  "coq" {(>= "8.6" & < "8.12~")}
  "coq-bignums" 
]
tags: [
  "logpath:MathClasses"
  "date:2020-04-01"
]
authors: [
  "Eelis van der Weegen"
  "Bas Spitters"
  "Robbert Krebbers"
]
url {
  src: "https://github.com/coq-community/math-classes/archive/8.11.0.tar.gz"
  checksum: "sha256=9d67d17c8568ae7a1d20830c560687af3d9ecd3e323ffb140111e182dd99471c"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-math-classes.8.11.0 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-math-classes = 8.11.0 -> coq < 8.12~
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 5.0.0 -> ocaml = 5.0.0
    - coq-math-classes = 8.11.0 -> coq < 8.12~ -> 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-math-classes = 8.11.0 -> coq < 8.12~ -> ocaml < 4.05.0 -> ocaml-base-compiler = 3.08.1
  * Missing dependency:
    - coq-math-classes = 8.11.0 -> coq < 8.12~ -> 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-math-classes.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