anchor.diff:    };
   
     patchPhase = ''
  +
       sed -i 's@/bin/echo@echo@g' configure
       sed -i -e 's/^   /\t/' docs/{libs,plugins}/Makefile.in
     '';
   
     # TODO : v4l, libvisual
     buildInputs =
  -    [ pkgconfig glib cairo ]
  +    [ pkgconfig glib cairo orc ]
       # can't build alsaLib on darwin
       ++ stdenv.lib.optional (!stdenv.isDarwin) alsaLib
       ++ stdenv.lib.optionals (!minimalDeps)
  
positive.code:     platforms   = platforms.unix;
    };
  }
  
  
negative.code: { fetchurl, stdenv, pkgconfig, python, gstreamer, xlibs, alsaLib, cdparanoia
  , libogg, libtheora, libvorbis, freetype, pango, liboil, glib, cairo, orc
  , libintlOrEmpty
  , # Whether to build no plugins that have external dependencies
    # (except the ALSA plugin).
  