From: Roland McGrath <roland@gcc.gnu.org>
Date: Wed, 20 Mar 1996 01:08:11 +0000 (+0000)
Subject: (NULL): Define only if not already defined.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=375826d208867401acfccbadd827ed5615128e9c;p=gcc.git

(NULL): Define only if not already defined.

From-SVN: r11569
---

diff --git a/gcc/alloca.c b/gcc/alloca.c
index 12c1122981c..31fb4e0d4e0 100644
--- a/gcc/alloca.c
+++ b/gcc/alloca.c
@@ -73,7 +73,9 @@ typedef void *pointer;
 typedef char *pointer;
 #endif
 
+#ifndef NULL
 #define	NULL	0
+#endif
 
 /* Different portions of Emacs need to call different versions of
    malloc.  The Emacs executable needs alloca to call xmalloc, because