Fix redefinition of gnu source.
diff --git a/cpu-miner.c b/cpu-miner.c
index 6168713..72e0a6d 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -10,7 +10,6 @@
*/
#include "config.h"
-#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
diff --git a/ocl.c b/ocl.c
index 11d15e9..80c8c36 100644
--- a/ocl.c
+++ b/ocl.c
@@ -1,4 +1,5 @@
-#define _GNU_SOURCE
+#include "config.h"
+
#include <signal.h>
#include <stdlib.h>
#include <string.h>