--- a/configure.ac	Thu Apr 30 19:35:58 2009 +0000
+++ b/configure.ac	Thu Apr 30 19:36:19 2009 +0000
@@ -34,6 +34,7 @@
 AC_PREFIX_DEFAULT([/opt/etherlab])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([config.h.in])
+AC_CONFIG_MACRO_DIR([m4])
 
 #------------------------------------------------------------------------------
 # Global