--- configure.orig	2012-09-03 12:10:16.000000000 -0400
+++ configure	2012-09-19 19:08:48.000000000 -0400
@@ -3626,7 +3626,7 @@
         JAVA_ARCH="sparc"
     ;;
 
-x86_64 )
+x86_64 | amd64 )
     ARCH_DIR="x86_64"
     ARCH_FLAGS="-m64 -D__X86_64__"
     JAVA_ARCH="amd64"