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menhirlib 20200123 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-num            base        Num library distributed with the OCaml compiler
base-ocamlbuild     base        OCamlbuild binary and libraries 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                 8.4.5       Formal proof management system.
num                 0           The Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.02.3      The OCaml compiler (virtual package)
ocaml-base-compiler 4.02.3      Official 4.02.3 release
ocaml-config        1           OCaml Switch Configuration
ocamlbuild          0           Build system distributed with the OCaml compiler since OCaml 3.10.0
# opam file:
opam-version: "2.0"
synopsis: "A support library for verified Coq parsers produced by Menhir"
maintainer: "francois.pottier@inria.fr"
authors: [
  "Jacques-Henri Jourdan <jacques-henri.jourdan@lri.fr>"
]
homepage: "https://gitlab.inria.fr/fpottier/menhir"
dev-repo: "git+https://gitlab.inria.fr/fpottier/menhir.git"
bug-reports: "jacques-henri.jourdan@lri.fr"
license: "LGPL-3.0-or-later"
build: [
  [make "-C" "coq-menhirlib" "-j%{jobs}%"]
]
install: [
  [make "-C" "coq-menhirlib" "install"]
]
depends: [
  "coq" { >= "8.7" & < "8.12" }
]
conflicts: [
  "menhir" { != "20200123" }
  "coq-native"
]
tags: [
  "date:2020-01-23"
  "logpath:MenhirLib"
]
url {
  src:
    "https://gitlab.inria.fr/fpottier/menhir/-/archive/20200123/archive.tar.gz"
  checksum: [
    "md5=91aeae45fbf781e82ec3fe636be6ad49"
    "sha512=4a7c4a72d4437940a0f62d402f783efcf357dde6f0a9e9f164c315148776e4642a822b6472f1e6e641164d110bc1ee05a6c1ad4a733f5defe4603b6072c1a34f"
  ]
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-menhirlib.20200123 coq.8.4.5

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.4.5).
The following dependencies couldn't be met:
  - coq-menhirlib -> coq >= 8.7 -> ocaml >= 4.05.0
      base of this switch (use `--unlock-base' to force)
  - coq-menhirlib -> coq >= 8.7 -> coq-core -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
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-menhirlib.20200123
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