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mathcomp-zify 1.4.0+2.0+8.16 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               4.04.2      The OCaml compiler (virtual package)
ocaml-base-compiler 4.04.2      Official 4.04.2 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "kazuhiko.sakaguchi@inria.fr"
homepage: "https://github.com/math-comp/mczify"
dev-repo: "git+https://github.com/math-comp/mczify.git"
bug-reports: "https://github.com/math-comp/mczify/issues"
license: "CECILL-B"
synopsis: "Micromega tactics for Mathematical Components"
description: """
This small library enables the use of the Micromega arithmetic solvers of Coq
for goals stated with the definitions of the Mathematical Components library
by extending the zify tactic."""
build: [make "-j%{jobs}%"]
install: [make "install"]
depends: [
  "coq" {(>= "8.16" & < "8.18~")}
  "coq-mathcomp-ssreflect" {(>= "2.0" & < "2.1~")}
  "coq-mathcomp-algebra" 
]
tags: [
  "logpath:mathcomp.zify"
]
authors: [
  "Kazuhiko Sakaguchi"
]
url {
  src: "https://github.com/math-comp/mczify/archive/1.4.0+2.0+8.16.tar.gz"
  checksum: "sha256=913ded0c027837f14004b74ee06f5d4596c22c5695cf688ecd90d6b56509936c"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-mathcomp-zify.1.4.0+2.0+8.16 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-mathcomp-zify -> coq >= 8.16 -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
  - coq-mathcomp-zify -> coq >= 8.16 -> 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-mathcomp-zify.1.4.0+2.0+8.16
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