Fix _GNU_SOURCE redefined warning

667988ce · Nan Xiao · Brenden Blanco · 137ee816 · 667988ce
Commit 667988ce authored Aug 28, 2017 by Nan Xiao Committed by Brenden Blanco Aug 27, 2017
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src/cc/libbpf.c src/cc/libbpf.c +2 -0

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--- a/src/cc/libbpf.c
+++ b/src/cc/libbpf.c
@@ -13,7 +13,9 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <arpa/inet.h>
 #include <errno.h>