--- _Makefile.am	2010-03-21 07:04:46.759993473 +0100
+++ Makefile.am	2010-03-21 07:05:45.457213807 +0100
@@ -1,3 +1,5 @@
+ACLOCAL_AMFLAGS=-I m4
+
 if SERVER
 if PLAYER
 SUBDIRS = include lib common player server util doc 
