--- /dev/null
+--- a/fsck_hfs.tproj/fsck_hfs.h
++++ b/fsck_hfs.tproj/fsck_hfs.h
+@@ -24,6 +24,7 @@
+
+ #include "cache.h"
+
++#include <sys/cdefs.h>
+
+ const extern char *cdevname; /* name of device being checked */
+ extern char *progname;
+--- a/newfs_hfs.tproj/makehfs.c
++++ b/newfs_hfs.tproj/makehfs.c
+@@ -28,6 +28,7 @@
+
+ */
+
++#include <sys/cdefs.h>
+ #include <sys/param.h>
+ #include <sys/types.h>
+ #include <sys/time.h>
+--- a/newfs_hfs.tproj/newfs_hfs.c
++++ b/newfs_hfs.tproj/newfs_hfs.c
+@@ -34,6 +34,7 @@
+ #include <syslog.h>
+ #include <unistd.h>
+
++#include <sys/cdefs.h>
+ #include <sys/ioctl.h>
+ #include <sys/mount.h>
+ #include <sys/param.h>