$NetBSD: patch-ac,v 1.2 2013/06/16 13:00:59 ryoon Exp $

--- Makefile.in.orig	2009-01-04 08:35:54.000000000 +0000
+++ Makefile.in
@@ -278,6 +278,7 @@ sys_symbol_underscore = @sys_symbol_unde
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 SUBDIRS = themes decoder_plugins libltdl
+ACLOCAL_AMFLAGS = -I m4
 AM_CPPFLAGS = -DSYSTEM_THEMES_DIR=\"$(pkgdatadir)/themes\" \
 	      -DPLUGIN_DIR=\"$(plugindir)/$(DECODER_PLUGIN_DIR)\" \
 	      $(LTDLINCL)