anchor.diff:  
   let
     sha256 = {
  -    x86_64-linux = "0mixw2sk7li1hjagibwzdgbfnrih5acricczqmfks1gsinjqrn82";
  -    i386-linux   = "1gshd4vm8ysn636r1z44vmzdzrgybsmj8ma4zdabvs9jsbm2da3c";
  +    x86_64-linux = "1zdbgbbdavaqx4y02sw9y7i1r9wkxqccrqkn0sp5847a26cpk9k9";
  +    i386-linux   = "11qwyxvy3c3n7hvksmlsfl9vvqaqkv3kwbk5rgjyy7vy8vn4kjmk";
     }.${stdenv.hostPlatform.system} or (throw "system ${stdenv.hostPlatform.system} not supported");
   
     arch = {
  
positive.code: 
  in stdenv.mkDerivation rec {
    pname = "anydesk";
    version = "5.1.2";
  
    src = fetchurl {
      url = "https://download.anydesk.com/linux/${pname}-${version}-${arch}.tar.gz";
  
negative.code:     gnome2.gtkglext libGLU_combined freetype fontconfig
      pangox_compat polkit polkit_gnome pulseaudio
    ] ++ (with xorg; [
      libxcb libxkbfile libX11 libXdamage libXext libXfixes libXi libXmu
      libXrandr libXtst libXt libICE libSM libXrender
    ]);
  
  