$NetBSD: patch-ad,v 1.4 2004/04/21 15:01:28 jmmv Exp $

--- configure.orig	2004-04-13 06:37:20.000000000 +0200
+++ configure
@@ -21414,7 +21414,7 @@ done
 
 
 
-for ac_header in sys/dir.h sys/stat.h sys/times.h sys/types.h
+for ac_header in sys/dir.h sys/stat.h sys/times.h sys/types.h pty.h sched.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if eval "test \"\${$as_ac_Header+set}\" = set"; then