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ltac2 0.1-8.7 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                   8.13.2      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             1.9.3       A library manager for OCaml
zarith                1.12        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
name: "coq-ltac2"
maintainer: "Pierre-Marie Pédrot <pierre-marie.pedrot@irif.fr>"
license: "LGPL 2.1"
homepage: "https://github.com/coq/ltac2"
dev-repo: "git+https://github.com/coq/ltac2.git"
bug-reports: "https://github.com/coq/ltac2/issues"
build: [
  [make "COQBIN=\"\"" "-j%{jobs}%"]
]
install: [make "install"]
depends: [
  "ocaml"
  "coq" {>= "8.7" & < "8.8~"}
]
synopsis: "A tactic language for Coq"
authors: "Pierre-Marie Pédrot <pierre-marie.pedrot@irif.fr>"
url {
  src: "https://github.com/coq/ltac2/archive/v0.1-8.7.tar.gz"
  checksum: "md5=748636d22bf0319fed33be80da014d93"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-ltac2.0.1-8.7 coq.8.13.2

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.13.2).
The following dependencies couldn't be met:
  - coq-ltac2 -> coq < 8.8~ -> 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-ltac2.0.1-8.7
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