anchor.diff:  , libtiff
   , libtiger
   , libupnp
  -, libv4l
   , libva
   , libvdpau
   , libvorbis
  
positive.code:     systemd_lib
      taglib
      unzip
      xorg.xcbutilkeysyms
      xorg.libXpm
      xorg.xlibsWrapper
  
negative.code: , systemd_lib
  , taglib
  , unzip
  , v4l_lib
  , xorg
  , xz
  , zlib
  