anchor.diff:    };
   
     buildInputs = [ pkgconfig zlib libjpeg libpng libtiff libusb gnutls avahi libpaper ]
  -    ++ optionals stdenv.isLinux [ pam dbus.libs acl xdg_utils ] ;
  +    ++ optionals stdenv.isLinux [ pam dbus.libs acl ];
   
     propagatedBuildInputs = [ gmp ];
   
  
positive.code:           mv "$f" "''${f/org\.cups\./}"
          fi
        done
      '';
  
    meta = {
  
negative.code:       "CUPS_PRIMARY_SYSTEM_GROUP=root"
      ];
  
    postInstall = ''
        # Delete obsolete stuff that conflicts with cups-filters.
        rm -rf $out/share/cups/banners $out/share/cups/data/testprint
  
  