anchor.diff:      license = licenses.gpl2Plus;
       maintainers = with maintainers; [ ];
       platforms = with platforms;
  -      i686-linux
  -      ++ x86_64-linux;
  +      x86_64-linux;
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "mpv-${version}";
    version = "0.15.0";
  
    src = fetchurl {
      url = "https://github.com/mpv-player/mpv/archive/v${version}.tar.gz";
      sha256 = "1p0b83048g66icpz5n66v3k4ldr1z0rmg5d2rr7kcbspm1xj2cbx";
    };
  
    nativeBuildInputs = [
      docutils
      makeWrapper
      perl
      python
      which
    ];
  
    buildInputs = [
      alsaLib
      ffmpeg
      freefont_ttf
      freetype
      libass
      libbluray
      libbs2b
  
negative.code:   installPhase = ''
      python ${waf} install
    '' + /* Use a standard font */ ''
      mkdir -pv $out/share/mpv
      ln -sv ${freefont_ttf}/share/fonts/truetype/FreeSans.ttf $out/share/mpv/subfont.ttf
    '';
  
    preFixup =
      /* Ensure youtube-dl is available in $PATH for MPV */ ''
        wrapProgram $out/bin/mpv \
          --prefix PATH : "${pythonPackages.youtube-dl}/bin"
      '';
  
    meta = with stdenv.lib; {
  