anchor.diff:        "--with-x-app-defaults=\${out}/share/xscreensaver/app-defaults"
       ];
   
  +  postInstall = ''
  +      wrapProgram $out/bin/xscreensaver-text \
  +        --prefix PATH : ${stdenv.lib.makeBinPath [xorg.appres]}
  +  '';
  +
     meta = {
       homepage = "http://www.jwz.org/xscreensaver/";
       description = "A set of screensavers";
  
positive.code: { stdenv, fetchurl, pkgconfig, bc, perl, pam, libXext, libXScrnSaver, libX11
  , libXrandr, libXmu, libXxf86vm, libXrender, libXxf86misc, libjpeg, mesa, gtk
  , libxml2, libglade, intltool
  }:
  
  stdenv.mkDerivation rec {
  
negative.code:   buildInputs =
      [ pkgconfig bc perl libjpeg mesa gtk libxml2 libglade pam
        libXext libXScrnSaver libX11 libXrandr libXmu libXxf86vm libXrender
        libXxf86misc intltool xorg.appres makeWrapper
      ];
  
    preConfigure =
  