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disel-examples 2.2 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
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                 8.7.2       Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
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           1.9.5       A library manager for OCaml
# 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: "BSD-2-Clause"
synopsis: "Example systems for Disel, a separation-style logic for compositional verification of distributed systems in Coq"
build: [make "-j%{jobs}%" "-C" "Examples"]
install: [make "-C" "Examples" "install"]
depends: [
  "ocaml"
  "coq" {>= "8.7" & < "8.13~"}
  "coq-mathcomp-ssreflect" {>= "1.9.0" & < "1.12~"}
  "coq-fcsl-pcm" {< "1.3.0"}
  "coq-disel" {= version}
]
tags: [
  "category:Computer Science/Concurrent Systems and Protocols/Theory of concurrent systems"
  "keyword:program verification"
  "keyword:separation logic"
  "keyword:distributed algorithms"
  "logpath:DiSeL"
  "date:2020-07-26"
]
authors: [
  "Ilya Sergey"
  "James R. Wilcox"
]
url {
  src: "https://github.com/DistributedComponents/disel/archive/v2.2.tar.gz"
  checksum: "sha512=52ede64ded6f54ec60220095d5315a1862a4eae067cdeeb418c5902167b2b8387a8e0de076811493808a55988b1753c1cf1c1c33e146d1279461fe056d4817a7"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-disel-examples.2.2 coq.8.7.2

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.7.2).
The following dependencies couldn't be met:
  - coq-disel-examples -> coq-disel >= 2.2 -> coq-mathcomp-ssreflect >= 1.9.0 -> coq >= 8.10
  - coq-disel-examples -> coq-fcsl-pcm < 1.3.0 -> coq-mathcomp-ssreflect < 1.8~ -> coq < 8.7~ -> ocaml < 4.06.0
      base of this switch (use `--unlock-base' to force)
  - coq-disel-examples -> coq-fcsl-pcm < 1.3.0 -> coq >= dev
      no matching version
  - coq-disel-examples -> coq-mathcomp-ssreflect >= 1.9.0 -> coq >= 8.10
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
  - No available version of coq-mathcomp-ssreflect 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-examples.2.2
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