From patchwork Fri Mar 30 14:36:10 2012
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Subject: [libiberty] Avoid compiler warnings in stack-limit.c
Date: Fri, 30 Mar 2012 04:36:10 -0000
From: Tristan Gingold <gingold@adacore.com>
X-Patchwork-Id: 149664
Message-Id: <64CD06AB-DEB2-47D0-A5EE-FB517D9AB9A3@adacore.com>
To: GCC Patches <gcc-patches@gcc.gnu.org>
Cc: Ian Lance Taylor <iant@google.com>

Hi,

there are some systems on which getrlimit/setrlimit are not available, and compiling stack-limit.c on these systems generates a warning.
Cleaned up with this patch.

Tested while building gcc for ia64-hp-openvms on x86_64-darwin.

Ok for trunk ?

Tristan.

libiberty/
2012-03-30  Tristan Gingold  <gingold@adacore.com>

	* stack-limit.c: Includes ansidecl.h.
	(stack_limit_increase): Add ATTRIBUTE_UNUSED


diff --git a/libiberty/stack-limit.c b/libiberty/stack-limit.c
index e64cac2..82c3d44 100644
--- a/libiberty/stack-limit.c
+++ b/libiberty/stack-limit.c
@@ -34,6 +34,7 @@ Attempt to increase stack size limit to @var{pref} bytes if possible.
 */
 
 #include "config.h"
+#include "ansidecl.h"
 
 #ifdef HAVE_STDINT_H
 #include <stdint.h>
@@ -43,7 +44,7 @@ Attempt to increase stack size limit to @var{pref} bytes if possible.
 #endif
 
 void
-stack_limit_increase (unsigned long pref)
+stack_limit_increase (unsigned long pref ATTRIBUTE_UNUSED)
 {
 #if defined(HAVE_SETRLIMIT) && defined(HAVE_GETRLIMIT) \
     && defined(RLIMIT_STACK) && defined(RLIM_INFINITY)