--- cdrom_freebsd.c.old	Tue Jun 27 12:19:04 2000
+++ cdrom_freebsd.c	Tue Jun 27 12:20:40 2000
@@ -21,6 +21,10 @@
 # include <sys/param.h>
 # include <sys/stat.h>
 # include <string.h>
+#include <osreldate.h>
+#if __FreeBSD_version >= 500003
+#include <sys/bio.h>
+#endif
 # include <sys/buf.h>
 # include <sys/time.h>
 
