anchor.diff:  
     meta = {
       description = "GNU Guile 2.0, an embeddable Scheme implementation";
  +    homepage    = http://www.gnu.org/software/guile/;
  +    license     = stdenv.lib.licenses.lgpl3Plus;
  +    maintainers = with stdenv.lib.maintainers; [ ludo lovek323 ];
  +    platforms   = stdenv.lib.platforms.all;
   
       longDescription = ''
         GNU Guile is an implementation of the Scheme programming language, with
  
positive.code:       linking, a foreign function call interface, and powerful string
        processing.
      '';
  
      homepage = http://www.gnu.org/software/guile/;
      license = "LGPLv3+";
  
      maintainers = [ stdenv.lib.maintainers.ludo ];
  
      platforms = stdenv.lib.platforms.all;
    };
  }
  
  
negative.code:             s|-lltdl|-L${libtool}/lib -lltdl|g'
    '';
  
    # make check doesn't work on darwin
    doCheck = !stdenv.isDarwin;
  
    setupHook = ./setup-hook-2.0.sh;
  
  