# 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 dev The Coq Proof Assistant
coq-core dev The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib dev The Coq Proof Assistant -- Standard Library
coqide-server dev The Coq Proof Assistant, XML protocol server
dune 3.13.0 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: "dev@clarus.me"
homepage: "https://github.com/clarus/coq-hello-world"
dev-repo: "git+https://github.com/clarus/coq-hello-world.git"
bug-reports: "https://github.com/clarus/coq-hello-world/issues"
authors: ["Guillaume Claret"]
license: "MIT"
build: [
["./configure.sh"]
[make "-j%{jobs}%"]
[make "-C" "extraction"]
]
install: [
["install" "-T" "extraction/main.native" "%{bin}%/helloWorld"]
]
depends: [
"coq" {build}
"coq-io" {>= "4.0.0" & build}
"coq-io-system" {build}
"coq-io-system-ocaml" {>= "2.3.0"}
]
tags: [
"date:2019-07-30"
"keyword:effects"
"keyword:extraction"
]
synopsis: "A Hello World program in Coq"
url {
src: "https://github.com/coq-io/hello-world/archive/1.2.0.tar.gz"
checksum: "sha512=00f1beee8dbb62b6b619d9942f6701ef557ce3de3568f324103c1073968a3f07b7d5fa797e9ca955ec7d7ac36db5e039ef29c5666bfa4a5fe755b03615dface1"
}
trueDry install with the current Coq version:
opam install -y --show-action coq-io-hello-world.1.2.0 coq.dev[NOTE] Package coq is already installed (current version is dev).
[ERROR] Package conflict!
* No agreement on the version of ocaml:
- (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1
- coq-io-hello-world >= 1.2.0 -> coq-io-system-ocaml >= 2.3.0 -> ocaml < 4.06.0
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-io-hello-world >= 1.2.0 -> coq-io-system-ocaml >= 2.3.0 -> ocaml < 4.06.0 -> ocaml-base-compiler < 3.07+1
* Missing dependency:
- coq-io-hello-world >= 1.2.0 -> coq-io-system-ocaml >= 2.3.0 -> ocaml < 4.06.0 -> ocaml-variants -> 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-io-hello-world.1.2.0truetrueNo files were installed.
true