anchor.diff:      libva
       libvpx
       mesa
  -    udev
  +    systemd_lib
       wayland
       xorg.libX11
       xorg.libXrandr
  
positive.code:       codyopel
      ];
      platforms = with platforms;
        i686-linux
        ++ x86_64-linux;
    };
  }
  
negative.code: , libva
  , libvpx
  , mesa
  , systemd_lib
  , wayland
  , xorg
  }:
  