anchor.diff:  , boost
   , fftwFloat
   , calf
  +, zita-convolver
   , zam-plugins
   , rubberband
   , mda_lv2
  
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:     libsndfile
      boost
      fftwFloat
      zita-convolver
    ];
  
    postPatch = ''
  