4 files changed, 7 insertions, 4 deletions
diff --git a/extra/libevent/epoll.c b/extra/libevent/epoll.c
index de10dac2425..7c8c60bdffa 100644
--- a/extra/libevent/epoll.c
+++ b/extra/libevent/epoll.c
@@ -155,7 +155,8 @@ epoll_init(struct event_base *base)
 }
 
 static int
-epoll_recalc(struct event_base *base, void *arg, int max)
+epoll_recalc(struct event_base *base __attribute__((unused)),
+             void *arg, int max)
 {
 	struct epollop *epollop = arg;
 
diff --git a/extra/libevent/evbuffer.c b/extra/libevent/evbuffer.c
index 6fe791380ea..758143c8225 100644
--- a/extra/libevent/evbuffer.c
+++ b/extra/libevent/evbuffer.c
@@ -75,7 +75,8 @@ bufferevent_add(struct event *ev, int timeout)
  */
 
 void
-bufferevent_read_pressure_cb(struct evbuffer *buf, size_t old, size_t now,
+bufferevent_read_pressure_cb(struct evbuffer *buf,
+                             size_t old __attribute__((unused)), size_t now,
     void *arg) {
 	struct bufferevent *bufev = arg;
 	/* 
diff --git a/extra/libevent/event.c b/extra/libevent/event.c
index e96c1b6a3ab..2042c2de626 100644
--- a/extra/libevent/event.c
+++ b/extra/libevent/event.c
@@ -394,7 +394,8 @@ event_base_get_method(struct event_base *base)
 }
 
 static void
-event_loopexit_cb(int fd, short what, void *arg)
+event_loopexit_cb(int fd __attribute__((unused)),
+                  short what __attribute__((unused)), void *arg)
 {
 	struct event_base *base = arg;
 	base->event_gotterm = 1;
diff --git a/extra/libevent/signal.c b/extra/libevent/signal.c
index 964ae37fed2..c4a1d0da167 100644
--- a/extra/libevent/signal.c
+++ b/extra/libevent/signal.c
@@ -69,7 +69,7 @@ static void evsignal_handler(int sig);
 
 /* Callback for when the signal handler write a byte to our signaling socket */
 static void
-evsignal_cb(int fd, short what, void *arg)
+evsignal_cb(int fd, short what __attribute((unused)), void *arg __attribute((unused)))
 {
 	static char signals[100];
 #ifdef WIN32