anchor.diff:      configureFlags =
         [ "--enable-application=browser"
           "--with-libxul-sdk=${xulrunner}/lib/xulrunner-devel-${xulrunner.version}"
  +        "--enable-chrome-format=jar"
         ]
         ++ commonConfigureFlags
         ++ stdenv.lib.optional enableOfficialBranding "--enable-official-branding";
  
positive.code: 
      inherit src;
  
      buildInputs =
        [ pkgconfig gtk perl zip libIDL libjpeg zlib cairo bzip2 python
          dbus dbus_glib pango freetype fontconfig alsaLib nspr libnotify
  
negative.code:         "--disable-javaxpcom"
        ] ++ commonConfigureFlags;
  
      enableParallelBuilding = true;
        
      # !!! Temporary hack.
      preBuild = ''
        export NIX_ENFORCE_PURITY=
      '';
  
      # Hack to work around make's idea of -lbz2 dependency
  