anchor.diff:  { stdenv, fetchFromGitHub, faust2jaqt, faust2lv2 }:
   stdenv.mkDerivation rec {
     name = "faustCompressors-v${version}";
  -  version = "1.1.1";
  +  version = "1.2";
   
     src = fetchFromGitHub {
       owner = "magnetophon";
       repo = "faustCompressors";
       rev = "v${version}";
  -    sha256 = "0mkram2hm7i5za7pfn5crh2arbajk8praksxzgjx90rrxwl1y3d1";
  +    sha256 = "144f6g17q4m50kxzdncsfzdyycdfprnpwdaxcwgxj4jky1xsha1d";
     };
   
     buildInputs = [ faust2jaqt faust2lv2 ];
  
positive.code: 
      for f in *.dsp;
      do
        faust2lv2  -time -double -gui -t 99999 $f
      done
    '';
  
negative.code:   buildPhase = ''
      for f in *.dsp;
      do
        echo "compiling standalone from" $f
        faust2jaqt -time -double -t 99999 $f
      done
  
  