Index: lib/cyrusdb_skiplist.c
diff -u lib/cyrusdb_skiplist.c.orig lib/cyrusdb_skiplist.c
--- lib/cyrusdb_skiplist.c.orig	Wed Apr 24 03:25:48 2002
+++ lib/cyrusdb_skiplist.c	Thu May  2 04:18:15 2002
@@ -67,6 +67,10 @@
 #include "lock.h"
 #include "retry.h"
 
+#ifndef O_DSYNC
+#define O_DSYNC	O_FSYNC
+#endif
+
 #define PROB (0.5)
 
 /*