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cfml-stdlib 20220112 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
conf-findutils      1           Virtual package relying on findutils
coq                 8.12.2      Formal proof management system
num                 0           The Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.05.0      The OCaml compiler (virtual package)
ocaml-base-compiler 4.05.0      Official 4.05.0 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "arthur.chargueraud@inria.fr"
homepage: "https://gitlab.inria.fr/charguer/cfml2"
dev-repo: "git+https://gitlab.inria.fr/charguer/cfml2.git"
bug-reports: "https://gitlab.inria.fr/charguer/cfml2/-/issues"
license: "CC-BY-4.0"
synopsis: "The CFML standard library"
description: """
CFML is a program verification system for OCaml.
"""
build: [make "-C" "lib/stdlib" "-j%{jobs}%"]
install: [make "-C" "lib/stdlib" "install"]
depends: [
  "coq" { >= "8.13" }
  "cfml" { = version }
  "coq-cfml-basis" { = version }
]
tags: [
  "date:"
  "logpath:CFML.Stdlib"
  "category:Computer Science/Programming Languages/Formal Definitions and Theory"
  "keyword:program verification"
  "keyword:separation logic"
  "keyword:weakest precondition"
]
authors: [
  "Arthur Charguéraud"
]
url {
  src:
    "https://gitlab.inria.fr/charguer/cfml2/-/archive/20220112/archive.tar.gz"
  checksum: [
    "md5=4bd2f2c9e59a5ba2894aed81c766ef09"
    "sha512=08778c62243ffe8646377d8e00a7bae3e5a4ee52e6e37410a1e86f39a869f9e07c486df18ae50ba334898e6946355dbb9064aebbfaa89f536ce2672cbe93ae25"
  ]
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-cfml-stdlib.20220112 coq.8.12.2

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.12.2).
The following dependencies couldn't be met:
  - coq-cfml-stdlib -> cfml >= 20220112 -> ocaml >= 4.08.0
      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-cfml-stdlib.20220112
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