{ stdenv, fetchurl, xorg, ncurses, freetype, pkgconfig }:

stdenv.mkDerivation rec {
  name = "xterm-231";
  
  src = fetchurl {
    url = "ftp://invisible-island.net/xterm/${name}.tgz";
    sha256 = "0qlz5nkdqkahdg9kbd1ni96n69srj1pd9yggwrw3z0kghaajb2sr";
  };
  
  buildInputs =
    [ xorg.libXaw xorg.xproto xorg.libXt xorg.libXext xorg.libX11 xorg.libSM xorg.libICE
      ncurses freetype pkgconfig xorg.libXft xorg.luit
    ];
    
  configureFlags =
    ''
      --enable-wide-chars --enable-256-color
      --enable-load-vt-fonts --enable-i18n --enable-doublechars --enable-luit
      --enable-mini-luit --with-tty-group=tty
    '';

  # Hack to get xterm built with the feature of releasing a possible setgid of 'utmp',
  # decided by the sysadmin to allow the xterm reporting to /var/run/utmp
  # If we used the configure option, that would have affected the xterm installation,
  # (setgid with the given group set), and at build time the environment even doesn't have
  # groups, and the builder will end up removing any setgid.
  postConfigure = ''
    echo '#define USE_UTMP_SETGID 1'
  '';

  meta = {
    homepage = http://invisible-island.net/xterm;
    license = "BSD";
    maintainers = with stdenv.lib.maintainers; [viric];
    platforms = with stdenv.lib.platforms; linux;
  };
}