--- a/configure.ac
+++ b/configure.ac
@@ -6,6 +6,8 @@
 AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip])
 AM_MAINTAINER_MODE
 dnl AM_ACLOCAL_INCLUDE(m4)
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 
 AC_GNU_SOURCE