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-rw-r--r--util-src/signal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/util-src/signal.c b/util-src/signal.c
index 9e6f6f63..9bbdb37e 100644
--- a/util-src/signal.c
+++ b/util-src/signal.c
@@ -26,7 +26,9 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <signal.h>
#include <stdlib.h>