--- ./configure.in.orig	Wed Sep 25 16:45:26 2002
+++ ./configure.in	Wed Sep 25 16:45:55 2002
@@ -240,6 +240,7 @@
 AC_TRY_CPP([#include <iostream>],AC_DEFINE(HAVE_IOSTREAM))
 AC_TRY_CPP([#include <iomanip>],AC_DEFINE(HAVE_IOMANIP))
 AC_TRY_CPP([#include <strstream>],AC_DEFINE(HAVE_STRSTREAM))
+AC_TRY_CPP([#include <ostream>],AC_DEFINE(HAVE_OSTREAM))
 
 AC_CHECK_LIB(nsl, inet_ntoa)
 AC_CHECK_LIB(socket, socket)