anchor.diff:      ${copyUdevRuleToOutput "52-hid-digitalbox.rules" udevRule52}
     '';
   
  +  enableParallelBuilding = true;
  +
     meta = with stdenv.lib; {
       description = "A QT based application for the Digital Bitbox hardware wallet";
       longDescription = ''
  
positive.code:   ];
  
    buildInputs = with stdenv.lib; [
      libevent
      libtool
      libudev
  
negative.code: , curl
  , fetchFromGitHub
  , git
  , libcap
  , libevent
  , libtool
  , libqrencode
  