Merge commit 'v3.3.1' into try-3.3.1

[debian/gnuradio] / gnuradio-core / src / lib / filter / gr_sincos.c

diff --git a/gnuradio-core/src/lib/filter/gr_sincos.c b/gnuradio-core/src/lib/filter/gr_sincos.c
index 240a84852606fd6bad1d663fa9d3639c211b0a77..57b26b22fab5dac9bfc22bfb8358594b580f329d 100644 (file)
--- a/gnuradio-core/src/lib/filter/gr_sincos.c
+++ b/gnuradio-core/src/lib/filter/gr_sincos.c
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2004 Free Software Foundation, Inc.
+ * Copyright 2004,2010 Free Software Foundation, Inc.
  * 
  * This file is part of GNU Radio
  * 
@@ -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>