anchor.diff:    postPatch = ''
       substituteInPlace dfasma.pro --replace '$$DFASMAVERSIONGITPRO' '${version}'
       cp -Rv "${reaperFork.src}"/* external/REAPER
  +    cp -Rv "${libqaudioextra.src}"/* external/libqaudioextra
     '';
   
     configurePhase = ''
  
positive.code:     };
      meta = with stdenv.lib; {
       license = licenses.asl20;
      };
    };
  
  
negative.code: 
  let
  
    version = "1.2.5";
    rev = "v${version}";
    sha256 = "0mgy2bkmyp7lvaqsr7hkndwdgjf26mlpsj6smrmn1vp0cqyrw72d";
  
    reaperFork = {
      src = fetchFromGitHub {
  