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Diffstat (limited to 'src/lib/shm_rdrbuff.c')
-rw-r--r--src/lib/shm_rdrbuff.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c
index 0919b1e0..447f8b35 100644
--- a/src/lib/shm_rdrbuff.c
+++ b/src/lib/shm_rdrbuff.c
@@ -20,7 +20,10 @@
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
-#include <ouroboros/config.h>
+#define _POSIX_C_SOURCE 200809L
+
+#include "config.h"
+
#include <ouroboros/errno.h>
#include <ouroboros/shm_rdrbuff.h>
#include <ouroboros/shm_du_buff.h>