diff --git a/ChangeLog b/ChangeLog
index 58fe07f..0b10293 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-16 Paul Jakma <paul.jakma@sun.com>
+
+	* configure.ac: check for gawk, needed to build memtypes.h
+
 2005-04-11 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
 
 	* configure.ac: Move AC_CANONICAL_* stuff before AM_INIT_AUTOMAKE to
diff --git a/configure.ac b/configure.ac
index 645f7ea..08b5214 100755
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@
 ##  Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
 ##  Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
 ##
-## $Id: configure.ac,v 1.102 2005/04/11 14:55:55 ajs Exp $
+## $Id: configure.ac,v 1.103 2005/04/16 15:38:23 paul Exp $
 AC_PREREQ(2.53)
 
 AC_INIT(Quagga, 0.99.0, [http://bugzilla.quagga.net])
@@ -21,6 +21,10 @@
 AM_INIT_AUTOMAKE(1.6)
 AM_CONFIG_HEADER(config.h)
 
+dnl we need gawk for memtypes.awk
+AC_CHECK_PROG([GAWK],[gawk],[gawk],[/bin/false])
+AC_ARG_VAR([GAWK],[GNU AWK])
+
 dnl default is to match previous behavior
 exampledir=${sysconfdir}
 AC_ARG_ENABLE([exampledir],