From e191513f70559758faaf206cdccb0dfebe28db23 Mon Sep 17 00:00:00 2001
From: Jay McCarthy <jay@racket-lang.org>
Date: Mon, 21 Jun 2010 13:04:40 -0600
Subject: [PATCH] Adding warning removal attr

---
 src/racket/gc2/gc2.h   | 6 ++++++
 src/racket/gc2/newgc.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/racket/gc2/gc2.h b/src/racket/gc2/gc2.h
index f51a4d40a9..16048bd09a 100644
--- a/src/racket/gc2/gc2.h
+++ b/src/racket/gc2/gc2.h
@@ -9,6 +9,12 @@
 # endif
 #endif
 
+# ifdef __GNUC__
+#  define MAYBE_UNUSED __attribute__((unused))
+# else
+#  define MAYBE_UNUSED
+# endif
+
 /***************************************************************************/
 /***   See README for a general overview of the interface architecture.  ***/
 /***************************************************************************/
diff --git a/src/racket/gc2/newgc.c b/src/racket/gc2/newgc.c
index be1579fe2f..d40412f341 100644
--- a/src/racket/gc2/newgc.c
+++ b/src/racket/gc2/newgc.c
@@ -185,7 +185,7 @@ static void fprintf_debug(NewGC *gc, mpage *page, const char *msg, objhead *info
 # endif
 #else
 # define GCVERBOSEPAGE(gc, msg, page) /* EMPTY */
-static void GCVERBOSEprintf(NewGC *gc, const char *fmt, ...) {
+MAYBE_UNUSED static void GCVERBOSEprintf(NewGC *gc, const char *fmt, ...) {
 }
 #endif