anchor.diff:  
   gnuradio3_8.pkgs.mkDerivation rec {
     pname = "qradiolink";
  -  version = "0.8.5-2";
  +  version = "0.8.6-2";
   
     src = fetchFromGitHub {
       owner = "qradiolink";
       repo = "qradiolink";
       rev = version;
  -    sha256 = "MgHfKR3AJW3pIN9oCBr4BWxk1fGSCpLmMzjxvuTmuFA=";
  +    sha256 = "1694yyw0vc77m5pbc5rwl6khd8000dbrliz3q4vsa9dqnfnz1777";
     };
   
     preBuild = ''
  
positive.code: , libjpeg
  , libsndfile
  , libftdi
  , protobuf
  , speex
  , speexdsp
  
negative.code:     gnuradio3_8.pkgs.osmosdr
      libopus
      libjpeg
      limesuite
      speex
      speexdsp
      gnuradio3_8.qt.qtbase
  