1 files changed, 3 insertions, 0 deletions
diff --git a/config.c b/config.c
index c58c8fe..b308b6c 100644
--- a/config.c
+++ b/config.c
@@ -63,6 +63,9 @@
  * but may not wrap over lines
  *
  */
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#endif
 
 #ifndef CONFFILE
 #define CONFFILE "/etc/mdadm.conf"