{ lib, stdenv, fetchurl, lua, gettext, groff, libICE, libSM, libX11, libXext }:

stdenv.mkDerivation rec {
  pname = "ion";
  version = "3-20090110";

  src = fetchurl {
    url = "https://tuomov.iki.fi/software/ion/dl/ion-${version}.tar.gz";
    sha256 = "1nkks5a95986nyfkxvg2rik6zmwx0lh7szd5fji7yizccwzc9xns";
  };

  buildInputs = [ libICE libSM libX11 libXext lua gettext groff ];

  buildFlags = [ "LUA_DIR=${lua}" "X11_PREFIX=/no-such-path" "PREFIX=\${out}" ];

  # Build system is missing depends for autogenerated export headers:
  #   luac -o mod_tiling.lc mod_tiling.lua
  #   main.c:21:10: fatal error: exports.h: No such file or directory
  enableParallelBuilding = false;

  installFlags = [ "PREFIX=\${out}" ];

  meta = with lib; {
    description = "Tiling tabbed window manager designed with keyboard users in mind";
    homepage = "https://modeemi.fi/~tuomov/ion";
    platforms = with platforms; linux;
    license = licenses.lgpl21;
    maintainers = [ ];
  };
}
