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linearscan 1.1.0 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                 8.11.1      Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.07.1      Official release 4.07.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.5       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "johnw@newartisans.com"
homepage: "https://github.com/jwiegley/linearscan"
dev-repo: "git+https://github.com/jwiegley/linearscan.git"
bug-reports: "https://github.com/jwiegley/linearscan/issues"
license: "BSD-3-Clause"
synopsis: "A linear scan register allocator in Coq"
description: """
An implementation in Coq of register allocator described in the paper
Optimized Interval Splitting in a Linear Scan Register Allocator by Christian
Wimmer and Hanspeter Mӧssenbӧck.
"""
build: [make "-j%{jobs}%" ]
install: [make "install"]
depends: [
  "coq" {(>= "8.14" & < "8.17~") | (= "dev")}
  "coq-haskell" {(>= "1.1" & < "1.2~") | (= "dev")}
  "coq-mathcomp-ssreflect" {(>= "1.12" & < "1.16~") | (= "dev")}
]
url {
  src: "https://github.com/jwiegley/linearscan/archive/refs/tags/1.1.0.tar.gz"
  checksum: "sha256=1dfa22c9c5b3a1a76d069a23fdf9ed3c7950006d8689d18ea7c01903ddbec9c6"
}
tags: [
  "keyword: register allocator"
  "category:Computer Science/Semantics and Compilation/Compilation"
  "date: 2022-07-23"
  "logpath: Linearscan"
]
authors: [
  "John Wiegley"
]

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-linearscan.1.1.0 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-linearscan -> coq-haskell >= dev -> coq >= dev -> ocaml >= 4.09.0
      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-linearscan.1.1.0
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