diff -r 05d082ebf685 -r 1016349e619f configure.ac
--- a/configure.ac	Tue Feb 07 08:15:12 2012 +0000
+++ b/configure.ac	Tue May 28 15:17:19 2013 +0100
@@ -13,7 +13,8 @@
 test/compatibility/Makefile
 doc/Makefile
 ])
-AM_INIT_AUTOMAKE(no-define)
+AM_INIT_AUTOMAKE(no-define,1.11)
+AM_SILENT_RULES([yes])
 AC_CANONICAL_HOST
 
 ##################################################