(alloca): Define to __builtin_alloca if __GNUC__,

to avoid a warning if -Wall.

diff --git a/src/sys2.h b/src/sys2.h
index e6ccc82c4b8eb23ecfc42cfb000475534142618a..c29a98139d055a9df74b50d8299c9be9389c8634 100644 (file)
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -141,7 +141,9 @@
 # define RETSIGTYPE void
 #endif
 
-#ifndef __GNUC__
+#if __GNUC__
+# define alloca __builtin_alloca
+#else
 # if HAVE_ALLOCA_H
 #  include <alloca.h>
 # else