diff --git a/Makefile.am b/Makefile.am
index fb99319..370fda4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,6 +4,7 @@ if ENABLE_EXAMPLES
 SUBDIRS += examples
 endif
 
+AM_MAKEFLAGS = -s
 ACLOCAL_AMFLAGS = -I m4
 
 pkgconfigdir = $(libdir)/pkgconfig