From efe65a2cab45c6d2518fb8bdf3fd7233a8f4fb7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.no>
Date: Wed, 6 Mar 2013 22:58:45 +0000
Subject: [PATCH] Add a macro for marking a variable or function argument as
 unused.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@656 185d5e19-27fe-0310-9dcf-9bff6b9f3609
---
 include/security/openpam_attr.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/include/security/openpam_attr.h b/include/security/openpam_attr.h
index d686309..d632180 100644
--- a/include/security/openpam_attr.h
+++ b/include/security/openpam_attr.h
@@ -2,8 +2,8 @@
  * $Id$
  */
 
-#ifndef SECURITY_PAM_ATTRIBUTES_H_INCLUDED
-#define SECURITY_PAM_ATTRIBUTES_H_INCLUDED
+#ifndef SECURITY_OPENPAM_ATTR_H_INCLUDED
+#define SECURITY_OPENPAM_ATTR_H_INCLUDED
 
 /* GCC attributes */
 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && !defined(__STRICT_ANSI__)
@@ -25,4 +25,10 @@
 # define OPENPAM_NONNULL(params)
 #endif
 
-#endif /* !SECURITY_PAM_ATTRIBUTES_H_INCLUDED */
+#if OPENPAM_GNUC_PREREQ(2,7)
+# define OPENPAM_UNUSED(var) var __attribute__((__unused__))
+#else
+# define OPENPAM_UNUSED(var) var
+#endif
+
+#endif /* !SECURITY_OPENPAM_ATTR_H_INCLUDED */