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cecoa 1.0.0 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
coq                 8.11.0      Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.06.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.06.1      Official 4.06.1 release
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.5       A library manager for OCaml
# opam file:
opam-version: "2.0"
name: "coq-cecoa"
version: "1.0.0"
maintainer: "David Nowak <david.nowak@univ-lille.fr>"
authors: [
  "Hugo Férée"
  "Samuel Hym"
  "Micaela Mayero"
  "Jean-Yves Moyen"
  "David Nowak"
]
homepage: "https://github.com/davidnowak/cecoa"
dev-repo: "git+https://github.com/davidnowak/cecoa.git"
bug-reports: "https://github.com/davidnowak/cecoa/issues"
license: "CeCILL-A"
build: [
  [make]
  [make "html"] {with-doc}
]
install: [make "install"]
remove: [
  [make "uninstall"]
  ["rmdir" "%{lib}%/coq/user-contrib/Cecoa"]
]
depends: [
  "ocaml"
  "coq" {>= "8.6.0" & < "8.9.0~"}
  "coq-bellantonicook"
]
tags: [
  "category:Computer Science/Algorithms/Complexity"
  "keyword:implicit complexity"
  "keyword:polynomial time"
  "keyword:rewriting"
  "logpath:Cecoa"
  "date:2018-09-10"
]
synopsis:
  "Implicit-complexity Coq library to prove that some programs are computable in polynomial time"
url {
  src: "https://github.com/davidnowak/cecoa/archive/v1.0.0.tar.gz"
  checksum: "md5=123728805ad3e0a91c38d61f37d0b05d"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-cecoa.1.0.0 coq.8.11.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.11.0).
The following dependencies couldn't be met:
  - coq-cecoa -> coq-bellantonicook -> coq < 8.9.0~ -> 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-cecoa.1.0.0
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