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exact-real-arithmetic 8.9.0 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                      dev         Formal proof management system
dune                     3.0.3       Fast, portable, and opinionated build system
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
ocaml-secondary-compiler 4.08.1-1    OCaml 4.08.1 Secondary Switch Compiler
ocamlfind                1.9.1       A library manager for OCaml
ocamlfind-secondary      1.9.1       Adds support for ocaml-secondary-compiler to ocamlfind
zarith                   1.12        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "Hugo.Herbelin@inria.fr"
homepage: "https://github.com/coq-contribs/exact-real-arithmetic"
license: "LGPL 2.1"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/ExactRealArithmetic"]
depends: [
  "ocaml"
  "coq" {>= "8.9" & < "8.10~"}
]
tags: [
  "keyword: correctness"
  "keyword: real numbers"
  "keyword: arithmetic"
  "category: Mathematics/Arithmetic and Number Theory/Real numbers"
]
authors: [
  "Jérôme Creci"
]
bug-reports: "https://github.com/coq-contribs/exact-real-arithmetic/issues"
dev-repo: "git+https://github.com/coq-contribs/exact-real-arithmetic.git"
synopsis: "Exact Real Arithmetic"
description: """
This contribution contains a proof of correctness
of some exact real arithmetic algorithms from the PhD thesis of
Valérie Ménissier-Morain"""
flags: light-uninstall
url {
  src: "https://github.com/coq-contribs/exact-real-arithmetic/archive/v8.9.0.tar.gz"
  checksum: "md5=c3c17b1042d813b4b6bf27ce8be8858f"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-exact-real-arithmetic.8.9.0 coq.dev
Return code
5120
Output
[NOTE] Package coq is already installed (current version is dev).
The following dependencies couldn't be met:
  - coq-exact-real-arithmetic -> coq < 8.10~ -> 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-exact-real-arithmetic.8.9.0
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