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gappa 1.4.0 Not compatible ๐Ÿ‘ผ

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                 8.11.1      Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.10.2      The OCaml compiler (virtual package)
ocaml-base-compiler 4.10.2      Official release 4.10.2
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.3       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "guillaume.melquiond@inria.fr"
homepage: "https://gappa.gitlabpages.inria.fr/"
dev-repo: "git+https://gitlab.inria.fr/gappa/coq.git"
bug-reports: "https://gitlab.inria.fr/gappa/coq/issues"
license: "LGPL 2.1"
build: [
  ["./configure"]
  ["./remake" "-j%{jobs}%"]
]
install: ["./remake" "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/Gappa"]
depends: [
  "ocaml"
  "coq" {>= "8.7" & < "8.9~"}
  "coq-flocq" {>= "3.0"}
]
conflicts: [ "coq" {= "8.8.0"} ]
tags: [
  "keyword:floating-point arithmetic"
  "keyword:interval arithmetic"
  "keyword:decision procedure"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Decision procedures"
]
authors: [ "Guillaume Melquiond <guillaume.melquiond@inria.fr>" ]
synopsis: "A Coq tactic for discharging goals about floating-point arithmetic and round-off errors using the Gappa prover"
flags: light-uninstall
url {
  src: "https://gappa.gitlabpages.inria.fr/releases/gappalib-coq-1.4.0.tar.gz"
  checksum: "md5=53421c1f38c95c7c25642f80d3f210e4"
}

Lint

Command
true
Return code
0

Dry install ๐Ÿœ๏ธ

Dry install with the current Coq version:

Command
opam install -y --show-action coq-gappa.1.4.0 coq.8.11.1
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.11.1).
The following dependencies couldn't be met:
  - coq-gappa -> 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-gappa.1.4.0
Return code
0

Install dependencies

Command
true
Return code
0
Duration
0 s

Install ๐Ÿš€

Command
true
Return code
0
Duration
0 s

Installation size

No files were installed.

Uninstall ๐Ÿงน

Command
true
Return code
0
Missing removes
none
Wrong removes
none