anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "csound";
  -  version = "6.16.2";
  +  version = "6.17.0";
   
     hardeningDisable = [ "format" ];
   
  
positive.code:     owner = "csound";
      repo = "csound";
      rev = version;
      sha256 = "sha256-1rcS3kOspU9ACx45yB8betph4G0hso1OSJQRiabX6tE=";
    };
  
    cmakeFlags = [ "-DBUILD_CSOUND_AC=0" ] # fails to find Score.hpp
  
negative.code: 
    meta = with lib; {
      description = "Sound design, audio synthesis, and signal processing system, providing facilities for music composition and performance on all major operating systems and platforms";
      homepage = "https://csound.com/";
      license = licenses.lgpl21Plus;
      maintainers = [maintainers.marcweber];
      platforms = platforms.linux;
    };
  