# Packages matching: installed # Name # Installed # Synopsis base-bigarray base base-domains base base-nnp base Naked pointers prohibited in the OCaml heap base-threads base base-unix base conf-gmp 4 Virtual package relying on a GMP lib system installation coq 8.17.0 The Coq Proof Assistant coq-core 8.17.0 The Coq Proof Assistant -- Core Binaries and Tools coq-stdlib 8.17.0 The Coq Proof Assistant -- Standard Library coqide-server 8.17.0 The Coq Proof Assistant, XML protocol server dune 3.12.2 Fast, portable, and opinionated build system ocaml 5.1.1 The OCaml compiler (virtual package) ocaml-base-compiler 5.1.1 Official release 5.1.1 ocaml-config 3 OCaml Switch Configuration ocaml-options-vanilla 1 Ensure that OCaml is compiled with no special options enabled ocamlfind 1.9.6 A library manager for OCaml zarith 1.13 Implements arithmetic and logical operations over arbitrary-precision integers # opam file: opam-version: "2.0" maintainer: "palmskog@gmail.com" homepage: "https://github.com/coq-community/huffman" dev-repo: "git+https://github.com/coq-community/huffman.git" bug-reports: "https://github.com/coq-community/huffman/issues" doc: "https://coq-community.org/huffman/" license: "LGPL-2.1-or-later" synopsis: "Coq proof of the correctness of the Huffman coding algorithm" description: """ This projects contains a Coq proof of the correctness of the Huffman coding algorithm, as described in David A. Huffman's paper A Method for the Construction of Minimum-Redundancy Codes, Proc. IRE, pp. 1098-1101, September 1952.""" build: [make "-j%{jobs}%"] install: [make "install"] depends: [ "coq" {>= "8.12" & < "8.17~"} ] tags: [ "category:Computer Science/Decision Procedures and Certified Algorithms/Correctness proofs of algorithms" "category:Miscellaneous/Extracted Programs/Combinatorics" "keyword:data compression" "keyword:code" "keyword:huffman tree" "logpath:Huffman" "date:2022-06-19" ] authors: [ "Laurent Théry" ] url { src: "https://github.com/coq-community/huffman/archive/v8.15.0.tar.gz" checksum: "sha512=06b6147a713e3f15428623ab09c9f226e626837a9e1876892a24ebdc1843c84ade0ccd8aafe53892b899dc235ff42d0e3cc11e4bd324f3ebb57e205e4fdf6a9d" }
true
Dry install with the current Coq version:
opam install -y --show-action coq-huffman.8.15.0 coq.8.17.0
[NOTE] Package coq is already installed (current version is 8.17.0). [ERROR] Package conflict! * No agreement on the version of ocaml: - (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1 - coq-huffman = 8.15.0 -> coq < 8.17~ -> ocaml < 4.02.0 You can temporarily relax the switch invariant with `--update-invariant' * No agreement on the version of ocaml-base-compiler: - (invariant) -> ocaml-base-compiler >= 5.1.1 - coq-huffman = 8.15.0 -> coq < 8.17~ -> ocaml < 4.02.0 -> ocaml-base-compiler = 3.07+1 * Incompatible packages: - (invariant) -> ocaml-base-compiler >= 5.1.1 -> base-nnp - coq-huffman = 8.15.0 -> coq < 8.17~ * Missing dependency: - coq-huffman = 8.15.0 -> coq < 8.17~ -> ocaml < 4.02.0 -> ocaml-variants >= 3.11.1 -> ocaml-beta unmet availability conditions: 'enable-ocaml-beta-repository' No solution found, exiting
Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:
opam remove -y coq; opam install -y --show-action --unlock-base coq-huffman.8.15.0
true
true
No files were installed.
true