--- configure.orig	2007-06-06 19:52:48.000000000 +0200
+++ configure	2007-07-04 21:25:51.000000000 +0200
@@ -143,7 +143,7 @@
 		PROC_OPTS="-march=$PROC";;
 	x86_64)
 		ARCH="ARCH_x86_64" 
-		PROC_OPTS="-march=$PROC";;
+		PROC_OPTS="-march=x86-64";;
 	mips*)
 		ARCH="ARCH_MIPS"
 		PROC_OPTS="-march=$PROC";;