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disel 2.0 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-threads        base
base-unix           base
conf-findutils      1           Virtual package relying on findutils
conf-gmp            4           Virtual package relying on a GMP lib system installation
coq                 8.15.0      Formal proof management system
dune                3.0.3       Fast, portable, and opinionated build system
ocaml               4.09.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.09.1      Official release 4.09.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.3       A library manager for OCaml
zarith              1.12        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "palmskog@gmail.com"
homepage: "https://github.com/DistributedComponents/disel"
dev-repo: "git+https://github.com/DistributedComponents/disel.git"
bug-reports: "https://github.com/DistributedComponents/disel/issues"
license: "BSD2"
build: [ make "-j" "%{jobs}%" "-C" "Core" ]
install: [ make "-C" "Core" "install" ]
remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/DiSeL'" ]
depends: [
  "ocaml"
  "coq" {>= "8.7" & < "8.9~"}
  "coq-mathcomp-ssreflect" {>= "1.6.2" & < "1.8~"}
  "coq-fcsl-pcm" {< "1.3.0"}
]
tags: [
  "category:Computer Science/Concurrent Systems and Protocols/Theory of concurrent systems"
  "keyword:program verification"
  "keyword:separation logic"
  "keyword:distributed algorithms"
  "date:2018-09-21"
  "logpath:DiSeL"
]
authors: [
  "Ilya Sergey <>"
  "James R. Wilcox <>"
]
synopsis:
  "Core framework files for Disel, a separation-style logic for compositional verification of distributed systems"
url {
  src: "https://github.com/DistributedComponents/disel/archive/v2.0.tar.gz"
  checksum: "md5=17f604769831a75b7ebfbcde4ad7df7d"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-disel.2.0 coq.8.15.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.15.0).
The following dependencies couldn't be met:
  - coq-disel -> coq < 8.9~ -> ocaml < 4.06.0
      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-disel.2.0
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