{ stdenv, fetchurl, gettext, freetype, zlib
, libungif, libpng, libjpeg, libtiff, libxml2
, libX11 ? null , lib , xproto ? null
, libXt ? null
}:

stdenv.mkDerivation {
  name = "fontforge-20070808";
  
  src = fetchurl {
    url = mirror://sourceforge/fontforge/fontforge_full-20070808.tar.bz2;
    sha256 = "1b3x5djn9ifvszwmgwmn1jwl50pbq6fzvbmgx0qjg0m60m3v44nx";
  };

  preConfigure = "
    unpackFile ${freetype.src}
    freetypeSrcPath=$(echo `pwd`/freetype-*)
    configureFlags=\"$configureFlags --with-freetype-src=$freetypeSrcPath\"
  "
  + (if libX11!=null then ''
    configureFlags="$configureFlags --with-gui=gdraw";
  '' else "");

  buildInputs = [gettext freetype zlib libungif libpng libjpeg libtiff libxml2]
  ++ (lib.optional (libX11!=null) libX11)
  ++ (lib.optional (xproto!=null) xproto)
  ++ (lib.optional (libXt!=null) libXt)
  ;
}