{ lib, fetchFromGitHub, buildDunePackage, ocaml, astring, cmdliner, cppo, fmt, logs, ocaml-migrate-parsetree, ocaml_lwt, pandoc, re }:

buildDunePackage rec {
  pname = "mdx";
  version = "1.4.0";

  src = fetchFromGitHub {
    owner = "realworldocaml";
    repo = pname;
    rev = version;
    sha256 = "0ljd00d261s2wf7cab086asqi39icf9zs4nylni6dldaqb027d4w";
  };

  nativeBuildInputs = [ cppo ];
  buildInputs = [ astring cmdliner fmt logs ocaml-migrate-parsetree re ];
  checkInputs = lib.optionals doCheck [ ocaml_lwt pandoc ];

  doCheck = !lib.versionAtLeast ocaml.version "4.08";

  dontStrip = lib.versions.majorMinor ocaml.version == "4.04";

  meta = {
    homepage = https://github.com/realworldocaml/mdx;
    description = "Executable OCaml code blocks inside markdown files";
    license = lib.licenses.isc;
    maintainers = [ lib.maintainers.romildo ];
  };
}