anchor.diff:      gnome2.gtkglext libGLU_combined freetype fontconfig
       pangox_compat polkit polkit_gnome pulseaudio
     ] ++ (with xorg; [
  -    libxcb libX11 libXdamage libXext libXfixes libXi libXmu
  +    libxcb libxkbfile libX11 libXdamage libXext libXfixes libXi libXmu
       libXrandr libXtst libXt libICE libSM libXrender
     ]);
   
  
positive.code: 
  let
    sha256 = {
      x86_64-linux = "0mixw2sk7li1hjagibwzdgbfnrih5acricczqmfks1gsinjqrn82";
      i386-linux   = "1gshd4vm8ysn636r1z44vmzdzrgybsmj8ma4zdabvs9jsbm2da3c";
    }.${stdenv.hostPlatform.system} or (throw "system ${stdenv.hostPlatform.system} not supported");
  
    arch = {
  
negative.code: 
  in stdenv.mkDerivation rec {
    pname = "anydesk";
    version = "5.4.1";
  
    src = fetchurl {
      url = "https://download.anydesk.com/linux/${pname}-${version}-${arch}.tar.gz";
  