--- a/util-src/signal.c Sat Mar 11 16:41:23 2017 +0100 +++ b/util-src/signal.c Sun Mar 12 12:49:34 2017 +0100 @@ -26,7 +26,7 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#define _DEFAULT_SOURCE +#define _GNU_SOURCE #include <signal.h> #include <stdlib.h>