From 27847466a370ea6102ea3a358d04d38918e9bf27 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Thu, 26 Sep 2002 22:04:14 +0000
Subject: [PATCH] (__restrict_arr): Don't define if already defined.

---
 src/regex.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/regex.h b/src/regex.h
index ef4284cdce2..f3c1c875a75 100644
--- a/src/regex.h
+++ b/src/regex.h
@@ -538,7 +538,9 @@ extern int re_exec _RE_ARGS ((const char *));
 /* For now unconditionally define __restrict_arr to expand to nothing.
    Ideally we would have a test for the compiler which allows defining
    it to restrict.  */
+#ifndef __restrict_arr
 #define __restrict_arr
+#endif
 
 /* POSIX compatibility.  */
 extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
-- 
2.39.2