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compcert 3.0.1 Not compatible 👼

Context

# 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                   8.18.0      The Coq Proof Assistant
coq-core              8.18.0      The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            8.18.0      The Coq Proof Assistant -- Standard Library
coqide-server         8.18.0      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: "Matej Košík <matej.kosik@inria.fr>"
homepage: "http://compcert.inria.fr/"
dev-repo: "git+https://github.com/AbsInt/CompCert.git"
bug-reports: "https://github.com/AbsInt/CompCert/issues"
license: "INRIA Non-Commercial License Agreement"
build: [
  [
    "./configure"
    "ia32-linux" {os = "linux"}
    "ia32-macosx" {os = "macos"}
    "ia32-cygwin" {os = "cygwin"}
    "-bindir"
    "%{bin}%"
    "-libdir"
    "%{lib}%/compcert"
    "-clightgen"
  ]
  [make "-j%{jobs}%"]
]
install: [
  [make "install"]
]
remove: [
  ["rm" "%{bin}%/ccomp"]
  ["rm" "%{bin}%/clightgen"]
  ["rm" "-R" "%{lib}%/compcert"]
  ["rm" "%{share}%/compcert.ini"]
]
depends: [
  "ocaml"
  "coq" {= "8.6"}
  "menhir" {>= "20160303" & < "20180530"}
]
synopsis: "The CompCert C compiler"
authors: "Xavier Leroy <xavier.leroy@inria.fr>"
flags: light-uninstall
url {
  src: "https://github.com/AbsInt/CompCert/archive/v3.0.1.tar.gz"
  checksum: "md5=76af0b470261df6b19053a60474fc84a"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-compcert.3.0.1 coq.8.18.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.18.0).
[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1
    - coq-compcert = 3.0.1 -> coq = 8.6 -> 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-compcert = 3.0.1 -> coq = 8.6 -> ocaml < 4.06.0 -> ocaml-base-compiler < 3.07+1
  * Missing dependency:
    - coq-compcert = 3.0.1 -> coq = 8.6 -> 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:

Command: opam remove -y coq; opam install -y --show-action --unlock-base coq-compcert.3.0.1
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