anchor.diff:      cppunit
       curl
       dbus
  -    ffmpeg_3
  +    ffmpeg
       fftw
       fftwSinglePrec
       flac
  
positive.code: , curl
  , dbus
  , doxygen
  , ffmpeg_3
  , fftw
  , fftwSinglePrec
  , flac
  
negative.code: }:
  stdenv.mkDerivation rec {
    pname = "ardour";
    version = "6.7";
  
    # don't fetch releases from the GitHub mirror, they are broken
    src = fetchgit {
      url = "git://git.ardour.org/ardour/ardour.git";
      rev = version;
      sha256 = "19jc29fjwgvqbg3gnmy50mrz8mh5x4nwddglasvwx83nc87qwllx";
    };
  
    patches = [
  