{ stdenv, fetchurl, makeDesktopItem, perlSupport ? true, libX11, libXt, libXft,
  ncurses, perl, fontconfig, freetype, pkgconfig, libXrender,
  gdkPixbufSupport ? true, gdk_pixbuf, unicode3Support ? true }:

let
  pname = "rxvt-unicode";
  version = "9.22";
  description = "A clone of the well-known terminal emulator rxvt";

  desktopItem = makeDesktopItem {
    name = "${pname}";
    exec = "urxvt";
    icon = "utilities-terminal";
    comment = description;
    desktopName = "URxvt";
    genericName = "${pname}";
    categories = "System;TerminalEmulator;";
  };
in

stdenv.mkDerivation (rec {

  name = "${pname}${if perlSupport then "-with-perl" else ""}${if unicode3Support then "-with-unicode3" else ""}-${version}";

  src = fetchurl {
    url = "http://dist.schmorp.de/rxvt-unicode/Attic/rxvt-unicode-${version}.tar.bz2";
    sha256 = "1pddjn5ynblwfrdmskylrsxb9vfnk3w4jdnq2l8xn2pspkljhip9";
  };

  buildInputs =
    [ libX11 libXt libXft ncurses /* required to build the terminfo file */
      fontconfig freetype pkgconfig libXrender ]
    ++ stdenv.lib.optional perlSupport perl
    ++ stdenv.lib.optional gdkPixbufSupport gdk_pixbuf;

  outputs = [ "out" "terminfo" ];

  patches = [
    ./rxvt-unicode-9.06-font-width.patch
    ./rxvt-unicode-256-color-resources.patch
  ]
  ++ stdenv.lib.optional stdenv.isDarwin ./rxvt-unicode-makefile-phony.patch;

  preConfigure =
    ''
      mkdir -p $terminfo/share/terminfo
      configureFlags="--with-terminfo=$terminfo/share/terminfo --enable-256-color ${if perlSupport then "--enable-perl" else "--disable-perl"} ${if unicode3Support then "--enable-unicode3" else "--disable-unicode3"}";
      export TERMINFO=$terminfo/share/terminfo # without this the terminfo won't be compiled by tic, see man tic
      NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${freetype.dev}/include/freetype2"
      NIX_LDFLAGS="$NIX_LDFLAGS -lfontconfig -lXrender -lpthread "
    ''
    # make urxvt find its perl file lib/perl5/site_perl is added to PERL5LIB automatically
    + stdenv.lib.optionalString perlSupport ''
      mkdir -p $out/$(dirname ${perl.libPrefix})
      ln -s $out/lib/urxvt $out/${perl.libPrefix}
    '';

  postInstall = ''
    mkdir -p $out/nix-support
    echo "$terminfo" >> $out/nix-support/propagated-user-env-packages
    cp -r ${desktopItem}/share/applications/ $out/share/
  '';

  meta = with stdenv.lib; {
    inherit description;
    homepage = http://software.schmorp.de/pkg/rxvt-unicode.html;
    downloadPage = "http://dist.schmorp.de/rxvt-unicode/Attic/";
    maintainers = [ ];
    platforms = platforms.unix;
    license = licenses.gpl3;
  };
})