$NetBSD: patch-ac,v 1.8 2004/09/15 18:29:20 minskim Exp $

--- autoconf/configure.in.orig	Thu Mar  6 20:32:27 2003
+++ autoconf/configure.in
@@ -393,6 +393,7 @@ AC_CHECK_HEADERS( \
 	sys/ioctl.h \
 	sys/select.h \
 	sys/sockio.h \
+	sys/stropts.h \
 	sys/strredir.h \
 	sys/time.h \
 	utmp.h \
@@ -588,6 +589,7 @@ AC_CHECK_FUNCS( \
 	on_exit \
 	nanosleep \
 	updwtmp \
+	updwtmpx \
 	ttyslot \
 )
 dnl# Note: On NetBSD, openpty() exists in libutil.  Don't pull it in
@@ -648,6 +650,14 @@ AC_CACHE_CHECK(for host in utmpx struct,
 rxvt_cv_struct_utmpx_host=yes, rxvt_cv_struct_utmpx_host=no)])
 if test x$rxvt_cv_struct_utmpx_host = xyes; then
   AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
+fi
+AC_CACHE_CHECK(for session in utmpx struct, rxvt_cv_struct_utmpx_session,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <utmpx.h>],
+[struct utmpx utx; utx.ut_session;],
+rxvt_cv_struct_utmpx_session=yes, rxvt_cv_struct_utmpx_session=no)])
+if test x$rxvt_cv_struct_utmpx_session = xyes; then
+  AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
 fi
 ) dnl# AC_CHECK_HEADER(utmpx.h