From a984a6dae03f11f94a3fb0f3641d56958753fc95 Mon Sep 17 00:00:00 2001
From: Gregory Burd <greg@basho.com>
Date: Tue, 13 Aug 2013 08:54:22 -0400
Subject: [PATCH] Adding a small patch to URCU build process.

---
 c_src/urcu-build.patch | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 c_src/urcu-build.patch

diff --git a/c_src/urcu-build.patch b/c_src/urcu-build.patch
new file mode 100644
index 0000000..7bb69c0
--- /dev/null
+++ b/c_src/urcu-build.patch
@@ -0,0 +1,23 @@
+diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
+index 23bd1ce..98e00b4 100644
+--- a/urcu/rculfhash.h
++++ b/urcu/rculfhash.h
+@@ -31,6 +31,10 @@
+ #include <urcu-call-rcu.h>
+ #include <urcu-flavor.h>
+
++#ifndef UNUSED
++#define UNUSED(v) ((void)(v))
++#endif
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+@@ -92,6 +96,7 @@ typedef int (*cds_lfht_match_fct)(struct cds_lfht_node *node, const void *key);
+ static inline
+ void cds_lfht_node_init(struct cds_lfht_node *node)
+ {
++    UNUSED(node);
+ }
+
+ /*