--- a/src/server/util/io.c Mon Dec 31 00:07:52 2012 +0100
+++ b/src/server/util/io.c Tue Jan 01 13:32:04 2013 +0100
@@ -26,6 +26,10 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
+#ifdef __gnu_linux__
+#define _GNU_SOURCE
+#endif
+
#include <unistd.h>
#include <stdlib.h>
#include <sys/uio.h>