From: Jim Meyering <jim@meyering.net>
Date: Sun, 11 Nov 2001 13:17:49 +0000 (+0000)
Subject: (alloca) [__GNUC__]: Define only if not already defined.
X-Git-Tag: TEXTUTILS-2_0_17~130
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06e70ddab4319357dbbe78148d57124260c81de1;p=thirdparty%2Fcoreutils.git

(alloca) [__GNUC__]: Define only if not already defined.
---

diff --git a/src/sys2.h b/src/sys2.h
index c29a98139d..513b837d8b 100644
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -142,7 +142,9 @@
 #endif
 
 #if __GNUC__
-# define alloca __builtin_alloca
+# ifndef alloca
+#  define alloca __builtin_alloca
+# endif
 #else
 # if HAVE_ALLOCA_H
 #  include <alloca.h>