anchor.diff:      platforms = platforms.linux;
       maintainers = with maintainers; [ nckx ];
     };
  -
  -  buildInputs = [ fftw libsndfile qt5.base qt5.multimedia ];
  -
  -  postPatch = ''
  -    substituteInPlace dfasma.pro \
  -      --replace '$$DFASMAVERSIONGITPRO' '${version}'
  -    cp -Rv "${reaperFork.src}"/* external/REAPER
  -  '';
  -
  -  configurePhase = ''
  -    qmake PREFIX=$out PREFIXSHORTCUT=$out dfasma.pro
  -  '';
  -
  -  enableParallelBuilding = true;
   }
  
positive.code: 
  let
  
    version = "1.1.3";
    rev = "v${version}";
    sha256 = "0rprnyvvd6yziwl94d3khd7rq95mvsmwag3x4ah0a5iar9w17r0c";
  
    reaperFork = {
      src = fetchFromGitHub {
  
negative.code:     owner = "gillesdegottex";
    };
  
    buildInputs = [ fftw libsndfile qt5.base qt5.multimedia ];
  
    postPatch = ''
      substituteInPlace dfasma.pro --replace '$$DFASMAVERSIONGITPRO' '${version}'
      cp -Rv "${reaperFork.src}"/* external/REAPER
    '';
  
    configurePhase = ''
      qmake PREFIX=$out PREFIXSHORTCUT=$out dfasma.pro
    '';
  
    enableParallelBuilding = true;
  
    meta = with stdenv.lib; {
      inherit version;
      description = "Analyse and compare audio files in time and frequency";
  