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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                   8.13.1      Formal proof management system
num                   1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml                 4.12.1      The OCaml compiler (virtual package)
ocaml-base-compiler   4.12.1      Official release 4.12.1
ocaml-config          2           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: "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.8.13.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.13.1).
The following dependencies couldn't be met:
  - coq-disel -> coq < 8.9~ -> ocaml < 4.10
      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-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