anchor.diff:        udev gnutls avahi libcddb 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
  +      libdc1394 libraw1394 libopus libebml libmatroska libvdpau libsamplerate
       ]
       ++ (if withQt5 then with qt5; [ base ] else [qt4])
       ++ optional jackSupport libjack2;
  
positive.code: , mpeg2dec, udev, gnutls, avahi, libcddb, libjack2, SDL, SDL_image
  , libmtp, unzip, taglib, libkate, libtiger, libv4l, samba, liboggz
  , libass, libva, libdvbpsi, libdc1394, libraw1394, libopus
  , libvdpau
  , onlyLibVLC ? false
  , qt4 ? null, qt5 ? null, withQt5 ? false
  , jackSupport ? false
  
negative.code:       "--enable-ncurses"
        "--enable-vdpau"
        "--enable-dvdnav"
        "--enable-samplerate"
      ]
      ++ optional onlyLibVLC  "--disable-vlc";
  
  