--- mozilla/configure.orig	2010-01-08 09:53:05.000000000 +0100
+++ mozilla/configure	2010-01-08 09:53:34.000000000 +0100
@@ -5502,7 +5502,7 @@
     CPU_ARCH=sparc
     ;;
 
-x86_64 | ia64)
+amd64 | x86_64 | ia64)
     CPU_ARCH="$OS_TEST"
     ;;
 esac
