From 6ce9913b3b6bc149bbb38834e9ce5af4558b2a2a Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Wed, 22 Jul 1998 16:57:15 +0000
Subject: [PATCH] Include <stdio.h> if NDEBUG is not defined; needed on SunOS
 4. From Paul Eggert.

---
 lib/xstrtol.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/xstrtol.c b/lib/xstrtol.c
index 0dc871eacb..cd85a3f93d 100644
--- a/lib/xstrtol.c
+++ b/lib/xstrtol.c
@@ -36,6 +36,12 @@
 # endif
 #endif
 
+/* Some pre-ANSI implementations (e.g. SunOS 4)
+   need stderr defined if assertion checking is enabled.  */
+#ifndef NDEBUG
+# include <stdio.h>
+#endif
+
 #include <assert.h>
 
 #include <errno.h>
-- 
2.30.2