X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gnuradio-core%2Fsrc%2Flib%2Ffilter%2Fgr_sincos.c;h=3543ebfde7208d8ebaf45f795d10f76e91f648cf;hb=8e64eed7ed9680db139a84e2370135cf619534bf;hp=240a84852606fd6bad1d663fa9d3639c211b0a77;hpb=d46b800b882724c07975f1dc897f8166d45150fb;p=debian%2Fgnuradio

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>