anchor.diff:        "--with-kde-solid=$out/share/apps/solid/actions"
         "--enable-dc1394"
         "--enable-ncurses"
  +      "--enable-vdpau"
       ];
   
     preConfigure = ''sed -e "s@/bin/echo@echo@g" -i configure'';
  
positive.code: , mpeg2dec, udev, gnutls, avahi, libcddb, jackaudio, SDL, SDL_image
  , libmtp, unzip, taglib, libkate, libtiger, libv4l, samba, liboggz
  , libass, libva, libdvbpsi, libdc1394, libraw1394, libopus
  }:
  
  stdenv.mkDerivation rec {
  
negative.code:       udev gnutls avahi libcddb jackaudio SDL SDL_image libmtp unzip taglib
        libkate libtiger libv4l samba liboggz libass libdvbpsi libva
        xlibs.xlibs xlibs.libXv xlibs.libXvMC xlibs.libXpm xlibs.xcbutilkeysyms
        libdc1394 libraw1394 libopus libebml libmatroska libvdpau
      ];
  
    nativeBuildInputs = [ pkgconfig ];
  