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-rw-r--r--src/sched_deadline/deadline_test.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
index 8a813c4..2794730 100644
--- a/src/sched_deadline/deadline_test.c
+++ b/src/sched_deadline/deadline_test.c
@@ -29,7 +29,9 @@
* Look for "simple_test"
*
*/
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <pthread.h>
#include <stdarg.h>
#include <stdlib.h>