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vcfloat 2.1.1 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                 8.9.0       Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.08.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.08.1      Official release 4.08.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
synopsis: "VCFloat: Floating Point Round-off Error Analysis"
description: "VCFloat is a tool for Coq proofs about floating-point round-off error."
authors: [
  "Andrew W. Appel"
  "Ariel E. Kellison"
  "Tahina Ramananandro"
  "Paul Mountcastle"
  "Benoit Meister"
  "Richard Lethin"
]
homepage: "https://verinum.org/vcfloat/"
maintainer: "Andrew W. Appel <appel@princeton.edu>"
dev-repo: "git+https://github.com/VeriNum/vcfloat"
bug-reports: "https://github.com/VeriNum/vcfloat/issues"
license: "LGPL-3.0-or-later"
patches: [
  "0001-coq-native-compat.patch"
]
build: [
  [ make "-C" "vcfloat" "-j%{jobs}%" "vcfloat2" "COQEXTRAFLAGS=-native-compiler ondemand" {coq-native:installed & coq-compcert:version < "3.13~"}]
]
install: [
  [make "-C" "vcfloat" "-j%{jobs}%" "install" "INSTALLDIR=%{lib}%/coq/user-contrib/vcfloat" "COQEXTRAFLAGS=-native-compiler ondemand" {coq-native:installed & coq-compcert:version < "3.13~"}]
]
run-test: [
  [make "-C" "vcfloat" "-j%{jobs}%" "tests" "COQEXTRAFLAGS=-native-compiler ondemand" {coq-native:installed & coq-compcert:version < "3.13~"}]
]
depends: [
  "coq" {>= "8.16" & < "8.18~"}
  "coq-flocq" {>= "4.1.1" & < "5.0"}
  "coq-interval" {>= "4.8.0"}
  "coq-compcert" {>= "3.12"}
  "coq-bignums"
]
url {
  src: "https://github.com/VeriNum/vcfloat/archive/refs/tags/v2.1.1.tar.gz"
  checksum: "sha256=cd0098a7448e13116f4bb1faa3d93c6f1a8b5a6fa83be979875b432aeb9eb27e"
}
tags: [
  "date:2023-08-31"
  "keyword:decision procedure"
  "keyword:floating-point arithmetic"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Decision procedures"
  "logpath:VCFloat"
  ]

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-vcfloat.2.1.1 coq.8.9.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.9.0).
The following dependencies couldn't be met:
  - coq-vcfloat -> coq >= 8.16 -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
  - coq-vcfloat -> coq >= 8.16 -> coq-core -> ocaml >= 4.09.0
      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-vcfloat.2.1.1
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