$NetBSD: patch-ag,v 1.1 2011/01/10 12:47:03 obache Exp $

* only for TIOCGFLAGS avalilable.

--- tty.c.orig	2006-03-19 11:32:48.000000000 +0000
+++ tty.c
@@ -32,6 +32,7 @@
 #include <sys/types.h>
 #include <sys/filio.h>
 #include <sys/ioctl.h>
+#include <sys/stat.h>
 
 #include <assert.h>
 #include <ctype.h>
@@ -318,7 +319,9 @@ tty_open_device(struct client_ctx *cc)
 {
 	struct tty_ctx *tc = cc->cc_data;
 	struct termios tent;
+#ifdef TIOCGFLAGS
 	int flags;
+#endif
 	int fd, fd2;
 
 	if (tc->tc_open)
@@ -369,7 +372,11 @@ tty_open_device(struct client_ctx *cc)
 	 * If this is *not* a pseudo tty, ensure DTR is asserted.
 	 * Note: This relies on TIOCGFLAGS returning ENOTTY for pty(4)'s.
 	 */
+#ifdef TIOCGFLAGS
 	if (ioctl(fd, TIOCGFLAGS, &flags) == 0 && errno == ENOTTY &&
+#else
+	if (
+#endif
 	    ioctl(fd, TIOCSDTR, 0) < 0) {
 		syslog(LOG_ALERT, "tty_open_device(): assert DTR failed (%d)",
 		    errno);