diff --git a/fmacros.h b/fmacros.h
new file mode 100644
index 000000000..7c9b91ae8
--- /dev/null
+++ b/fmacros.h
@@ -0,0 +1,7 @@
+#ifndef _REDIS_FMACRO_H
+#define _REDIS_FMACRO_H
+
+#define _BSD_SOURCE
+#define _XOPEN_SOURCE
+
+#endif