From 8e64eed7ed9680db139a84e2370135cf619534bf Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Mon, 8 Nov 2010 00:47:33 -0500
Subject: [PATCH] Fixed warning re defining GNU_SOURCE. Can probably just
 remove it since it's defined in config, but this won't hurt anyone.

---
 gnuradio-core/src/lib/filter/gr_sincos.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnuradio-core/src/lib/filter/gr_sincos.c b/gnuradio-core/src/lib/filter/gr_sincos.c
index 240a8485..3543ebfd 100644
--- a/gnuradio-core/src/lib/filter/gr_sincos.c
+++ b/gnuradio-core/src/lib/filter/gr_sincos.c
@@ -24,7 +24,9 @@
 #include "config.h"
 #endif
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE		// ask for GNU extensions if available
+#endif
 
 #include <gr_sincos.h>
 #include <math.h>
-- 
2.39.5