Index: thttpd-2.25b/config.sub
===================================================================
--- thttpd-2.25b.orig/config.sub	1998-05-09 03:12:58.000000000 +0200
+++ thttpd-2.25b/config.sub	2012-01-31 13:56:25.647548490 +0100
@@ -15,7 +15,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
-# You should have received a copy of the GNU General Public License
+38# You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
@@ -164,6 +164,9 @@
 	i[3456]86)
 	  basic_machine=$basic_machine-pc
 	  ;;
+	x86_64-*)
+	  basic_machine=$basic_machine-pc
+	  ;;
 	# Object if more than one company name word.
 	*-*-*)
 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2