--- configure.orig	2012-02-28 06:06:52.000000000 +0900
+++ configure	2012-05-06 14:26:15.000000000 +0900
@@ -5569,7 +5569,7 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking which CPU support to include" >&5
 $as_echo_n "checking which CPU support to include... " >&6; }
     case ${target} in
-      i*86-*-*|x86_64-*-*)
+      i*86-*-*|x86_64-*-*|amd64-*-*)
         case ${ac_cv_sizeof_void_p} in
           4)