--- rpl/configure.ac	2011/11/15 07:01:35	1.8
+++ rpl/configure.ac	2011/11/17 19:29:36	1.9
@@ -3,7 +3,7 @@ AC_INIT([rpl],[4.1.4])
 AC_CANONICAL_TARGET
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE(silent-rules)
-AM_SILENT_RULES
+AM_SILENT_RULES([yes])
 AC_SUBST(target_cpu)
 AC_CONFIG_HEADERS([rplconfig.h])