diff --git a/sys/kern/sysv_ipc.c b/sys/kern/sysv_ipc.c
index f0e907b903d9..c1c8c1ad3b3c 100644
--- a/sys/kern/sysv_ipc.c
+++ b/sys/kern/sysv_ipc.c
@@ -1,4 +1,4 @@
-/*	$Id$ */
+/*	$Id: sysv_ipc.c,v 1.1 1994/09/13 14:46:55 dfr Exp $ */
 /*	$NetBSD: sysv_ipc.c,v 1.7 1994/06/29 06:33:11 cgd Exp $	*/
 
 /*
@@ -31,6 +31,8 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "opt_sysvipc.h"
+
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
diff --git a/sys/kern/sysv_msg.c b/sys/kern/sysv_msg.c
index 4329393aca2a..36bdbf326694 100644
--- a/sys/kern/sysv_msg.c
+++ b/sys/kern/sysv_msg.c
@@ -1,4 +1,4 @@
-/*	$Id: sysv_msg.c,v 1.10 1995/12/14 08:31:51 phk Exp $ */
+/*	$Id: sysv_msg.c,v 1.11 1995/12/15 05:00:27 peter Exp $ */
 
 /*
  * Implementation of SVID messages
@@ -19,6 +19,8 @@
  * This software is provided ``AS IS'' without any warranties of any kind.
  */
 
+#include "opt_sysvipc.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/sysproto.h>
diff --git a/sys/kern/sysv_sem.c b/sys/kern/sysv_sem.c
index 997d9f6092c5..8c76e90f8d74 100644
--- a/sys/kern/sysv_sem.c
+++ b/sys/kern/sysv_sem.c
@@ -1,4 +1,4 @@
-/*	$Id: sysv_sem.c,v 1.13 1995/12/27 15:24:19 joerg Exp $ */
+/*	$Id: sysv_sem.c,v 1.14 1995/12/28 01:31:38 jkh Exp $ */
 
 /*
  * Implementation of SVID semaphores
@@ -8,6 +8,8 @@
  * This software is provided ``AS IS'' without any warranties of any kind.
  */
 
+#include "opt_sysvipc.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/sysproto.h>
diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index 506f84ded6e0..72c8a2210307 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -1,4 +1,4 @@
-/*	$Id: sysv_shm.c,v 1.15 1995/12/15 05:00:31 peter Exp $ */
+/*	$Id: sysv_shm.c,v 1.16 1995/12/26 16:03:32 joerg Exp $ */
 /*	$NetBSD: sysv_shm.c,v 1.23 1994/07/04 23:25:12 glass Exp $	*/
 
 /*
@@ -31,6 +31,8 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "opt_sysvipc.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/sysproto.h>