anchor.diff:        [ pkgconfig libpng gtk perl zip libIDL libjpeg zlib bzip2 python
           dbus dbus_glib pango freetype fontconfig alsaLib nspr nss libnotify
           xlibs.pixman yasm mesa sqlite file unzip pysqlite
  -        hunspell libevent libstartup_notification libvpx
  -      ] ++ optional useSystemCairo cairo;
  +        hunspell libevent libstartup_notification libvpx cairo
  +      ];
   
       patches = [
         ./disable-reporter.patch # fixes "search box not working when built on xulrunner"
  
positive.code:         alsaLib nspr nss libnotify xlibs.pixman yasm mesa
          xlibs.libXScrnSaver xlibs.scrnsaverproto pysqlite
          xlibs.libXext xlibs.xextproto sqlite unzip makeWrapper
          hunspell libevent libstartup_notification libvpx
        ] ++ optional useSystemCairo cairo;
  
      configureFlags =
        [ "--enable-application=xulrunner"
  
negative.code: , freetype, fontconfig, file, alsaLib, nspr, nss, libnotify
  , yasm, mesa, sqlite, unzip, makeWrapper, pysqlite
  , hunspell, libevent, libstartup_notification, libvpx
  , cairo
  , # If you want the resulting program to call itself "Firefox" instead
    # of "Shiretoko" or whatever, enable this option.  However, those
    # binaries may not be distributed without permission from the
  