anchor.diff:      libsndfile
       boost
       fftwFloat
  +    zita-convolver
     ];
   
     postPatch = ''
  
positive.code:   ];
  in stdenv.mkDerivation rec {
    name = "pulseeffects-${version}";
    version = "4.1.5";
  
    src = fetchFromGitHub {
      owner = "wwmm";
      repo = "pulseeffects";
      rev = "v${version}";
      sha256 = "1k5ibn4ilzhps91insvw07jd9x9yxhxl8pvfzgcm9ndvb8anifv4";
    };
  
    nativeBuildInputs = [
  
negative.code: , boost
  , fftwFloat
  , calf
  , zita-convolver
  , zam-plugins
  , rubberband
  , mda_lv2
  