From: Roland McGrath <roland@redhat.com>
Date: Wed, 20 Mar 1996 01:08:11 +0000 (+0000)
Subject: (NULL): Define only if not already defined.
X-Git-Tag: amigados-merge~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46a1497b8ee48c13be1aa46ddd525c315ebc0cbf;p=thirdparty%2Fmake.git

(NULL): Define only if not already defined.
---

diff --git a/alloca.c b/alloca.c
index 12c11229..31fb4e0d 100644
--- a/alloca.c
+++ b/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