--- src/text/Error.cc.orig	Mon Dec  1 10:52:22 2003
+++ src/text/Error.cc	Mon Dec  1 10:52:31 2003
@@ -23,6 +23,7 @@
 	\author	Nestal Wan
 */
 
+#include <cassert>
 #include "Error.hh"
 
 namespace pdf { namespace text {