Index: automake/cfa.m4
===================================================================
--- automake/cfa.m4	(revision 8e485801af761f44aff386d73de2167c3224c808)
+++ automake/cfa.m4	(revision 305581dbced29c2fe6bb06909e03de5f7b8a6b9f)
@@ -57,7 +57,7 @@
 
 AC_DEFUN([M4CFA_CANNON_CPU], [
-	case $arch_name in
+	case $1 in
 		"host") arch_name=${host_cpu};;
-		*) ;;
+		*) arch_name=$1;;
 	esac