nixpkgs/pkgs/development/ocaml-modules/lua-ml/default.nix

{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild, opaline }:

if !lib.versionAtLeast ocaml.version "4.07"
then throw "lua-ml is not available for OCaml ${ocaml.version}"
else

stdenv.mkDerivation rec {
  pname = "lua-ml";
  name = "ocaml${ocaml.version}-${pname}-${version}";
  version = "0.9.1";

  src = fetchFromGitHub {
    owner = "lindig";
    repo = pname;
    rev = version;
    sha256 = "04lv98nxmzanvyn4c0k6k0ax29f5xfdl8qzpf5hwadslq213a044";
  };

  nativeBuildInputs = [ opaline ];
  buildInputs = [ ocaml findlib ocamlbuild ];

  buildFlags = [ "lib" ];

  installPhase = ''
    opaline -prefix $out -libdir $OCAMLFIND_DESTDIR
  '';

  meta = {
    description = "An embeddable Lua 2.5 interpreter implemented in OCaml";
    inherit (src.meta) homepage;
    inherit (ocaml.meta) platforms;
    license = lib.licenses.bsd2;
    maintainers = [ lib.maintainers.vbgl ];
  };
}