anchor.diff:  , upower
   , wayland
   , wayland-protocols
  -#, xkeyboardconfig
  +, xkeyboard-config
   , xorg
   , xorg-server
   , xorgproto
  
positive.code: , libxi
  , libxinerama
  , libxkbcommon
  #, libxkbfile
  , libxrandr
  , libxrender
  #, libxtst
  , linux-headers
  , opengl-dummy
  , pango
  
negative.code:     upower
      wayland
      wayland-protocols
      xkeyboard-config
      xorgproto
      zenity
    ];
  