From 45bec201a1e96a1ccf808c0901fbae9a8a336889 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 6 Nov 2002 04:58:50 +0000
Subject: [PATCH] (POLLING_PROBLEM_IN_SELECT): Add #undef.

---
 src/s/hpux11.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/s/hpux11.h b/src/s/hpux11.h
index 776f8ec2b83..4452ebd0fd4 100644
--- a/src/s/hpux11.h
+++ b/src/s/hpux11.h
@@ -13,3 +13,6 @@
 /* It does work on HPUX to open the pty's tty in the parent (Emacs),
    then close and reopen it in the child.  */
 #define USG_SUBTTY_WORKS
+
+/* HPUX 10.10 needs this; HPUX 10.20 does not, and HPUX 11 does not.  */
+#undef POLLING_PROBLEM_IN_SELECT
-- 
2.39.2