--- config/config.sub.old	2004-01-18 00:35:11.893252240 +1100
+++ config/config.sub	2004-01-18 00:35:54.387792088 +1100
@@ -230,6 +230,11 @@
 	i[34567]86)
 	  basic_machine=$basic_machine-pc
 	  ;;
+
+	x86_64-*)
+	  basic_machine=x86_64-pc
+	  ;;
+
 	# Object if more than one company name word.
 	*-*-*)
 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2