with import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/269fc4ddb896c1c5994eb4bb8c750ec18cb3db82.tar.gz") {};
let
  ncoq = coq_8_12;
  ncoqPackages = coqPackages_8_12;
in
stdenv.mkDerivation {
  name = "padicted";
  src = ./.;

  buildInputs = [ ncoq dune_2 gcc
                  ocaml ocamlPackages.findlib ocamlPackages.menhir
                  ocamlPackages.ocamlgraph
                ];

  enableParallelBuilding = true;
}