diff --git a/configure.ac b/configure.ac
index 35e4023..ec0351d 100755
--- a/configure.ac
+++ b/configure.ac
@@ -21,6 +21,8 @@
 AC_CANONICAL_TARGET()
 
 AM_INIT_AUTOMAKE(1.6)
+
+m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
 AM_SILENT_RULES([yes])
 AC_CONFIG_HEADERS(config.h)