diff --git a/Makefile.am b/Makefile.am
index bde3c201..b8827d6e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,7 +16,7 @@
 
 include $(top_srcdir)/gtest.mk
 
-SUBDIRS=man src contrib toys
+SUBDIRS=m4 man src contrib toys
 
 ACLOCAL_AMFLAGS=-I m4
 
diff --git a/configure.ac b/configure.ac
index 7808934b..a9feafe1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@
 ## along with this program; if not, write to the Free Software Foundation,
 ## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  
 
-AC_INIT([mu],[0.9.1],[http://code.google.com/p/mu0/issues/list])
+AC_INIT([mu],[0.9.2],[http://code.google.com/p/mu0/issues/list])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([src/mu.cc])
 AM_INIT_AUTOMAKE([dist-bzip2])
diff --git a/m4/Makefile.am b/m4/Makefile.am
new file mode 100644
index 00000000..c6a57a78
--- /dev/null
+++ b/m4/Makefile.am
@@ -0,0 +1,17 @@
+## Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software Foundation,
+## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+EXTRA_DIST = $(wildcard *.m4)