From 7f6d476fb912800700f4225f3f968d1fe2e016d5 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Mon, 15 Nov 1993 09:25:17 +0000
Subject: [PATCH] [BSD_TERMIOS]: Under NL0, NL1..., ECHO, NOFLSH, TOSTOP,
 FLUSHO and PENDIN.

---
 src/systty.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/systty.h b/src/systty.h
index 5a166b2fd5d..e264c8c4cd4 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -20,6 +20,30 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #ifdef HAVE_TERMIOS
 #define HAVE_TCATTR
 #endif
+
+/* If we defined these before and we are about to redefine them,
+   prevent alarming warnings.  */
+#ifdef BSD_TERMIOS
+#undef NL0
+#undef NL1
+#undef CR0
+#undef CR1
+#undef CR2
+#undef CR3
+#undef TAB0
+#undef TAB1
+#undef TAB2
+#undef XTABS
+#undef BS0
+#undef BS1
+#undef FF0
+#undef FF1
+#undef ECHO
+#undef NOFLSH
+#undef TOSTOP
+#undef FLUSHO
+#undef PENDIN
+#endif
 
 /* Include the proper files.  */
 #ifdef HAVE_TERMIO
-- 
2.39.5