diff --git a/include/Makefile b/include/Makefile
index d8fd2d23c473..1fc89792ab80 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -1,5 +1,5 @@
 #	From: @(#)Makefile	8.2 (Berkeley) 1/4/94
-#	$Id: Makefile,v 1.7 1994/08/04 20:49:28 wollman Exp $
+#	$Id: Makefile,v 1.8 1994/08/07 22:29:20 wollman Exp $
 #
 # Doing a make install builds /usr/include
 #
@@ -43,6 +43,11 @@ beforeinstall: ${SHARED}
 		    install -c -o ${BINOWN} -g ${BINGRP} -m 444 $$i \
 		    ${DESTDIR}/usr/include/$$i; \
 	done
+	@echo creating osreldate.h
+	@rm -f ${DESTDIR}/usr/include/osreldate.h
+	@echo \#'undef __FreeBSD_version' > ${DESTDIR}/usr/include/osreldate.h
+	@echo \#'define __FreeBSD_version '`sysctl -n kern.osreldate` \
+		>> ${DESTDIR}/usr/include/osreldate.h
 	@echo installing ${DIRS}
 	@-for i in ${DIRS}; do \
 		if [ ! -d ${DESTDIR}/usr/include/$$i ]; \
diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc
index d9420b33f4c2..776fa971e7fd 100644
--- a/lib/libc/gen/Makefile.inc
+++ b/lib/libc/gen/Makefile.inc
@@ -7,10 +7,10 @@ SRCS+=	alarm.c assert.c clock.c closedir.c confstr.c crypt.c ctermid.c \
 	ctime.c daemon.c devname.c difftime.c disklabel.c err.c errlst.c \
 	exec.c fnmatch.c frexp.c fstab.c fts.c getbsize.c getcap.c getcwd.c \
 	getdomainname.c getgrent.c getgrouplist.c gethostname.c getloadavg.c \
-	getlogin.c getmntinfo.c getnetgrent.c getpagesize.c getpass.c \
-	getpwent.c getttyent.c getusershell.c glob.c initgroups.c isatty.c \
-	nice.c nlist.c opendir.c pause.c popen.c psignal.c pwcache.c raise.c \
-	readdir.c rewinddir.c scandir.c seekdir.c setdomainname.c \
+	getlogin.c getmntinfo.c getnetgrent.c getosreldate.c getpagesize.c \
+	getpass.c getpwent.c getttyent.c getusershell.c glob.c initgroups.c \
+	isatty.c nice.c nlist.c opendir.c pause.c popen.c psignal.c pwcache.c \
+	raise.c readdir.c rewinddir.c scandir.c seekdir.c setdomainname.c \
 	sethostname.c setjmperr.c setmode.c siginterrupt.c siglist.c signal.c \
 	sigsetjmp.c sigsetops.c sleep.c sysconf.c sysctl.c syslog.c telldir.c \
 	termios.c time.c times.c timezone.c ttyname.c ttyslot.c ualarm.c \
diff --git a/sys/conf/newvers.sh b/sys/conf/newvers.sh
index 6ee1edaa3978..adc2a27a1ee2 100644
--- a/sys/conf/newvers.sh
+++ b/sys/conf/newvers.sh
@@ -32,7 +32,7 @@
 # SUCH DAMAGE.
 #
 #	@(#)newvers.sh	8.1 (Berkeley) 4/20/94
-# $Id$
+# $Id: newvers.sh,v 1.3 1994/08/02 07:38:27 davidg Exp $
 
 if [ ! -r version ]
 then
@@ -43,6 +43,7 @@ touch version
 v=`cat version` u=${USER-root} d=`pwd` h=`hostname` t=`date`
 echo "char ostype[] = \"FreeBSD\";" > vers.c
 echo "char osrelease[] = \"2.0.0 (Development)\";" >> vers.c
+echo "int osreldate = 199409;" >> vers.c
 echo "char sccs[4] = { '@', '(', '#', ')' };" >>vers.c
 echo "char version[] = \"FreeBSD 2.0.0 (Development) #${v}: ${t}\\n    ${u}@${h}:${d}\\n\";" >>vers.c
 
diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c
index ae7f7b988685..0896ebfe1e84 100644
--- a/sys/kern/kern_sysctl.c
+++ b/sys/kern/kern_sysctl.c
@@ -182,6 +182,7 @@ long hostid;
 int securelevel = -1;
 extern int vfs_update_wakeup;
 extern int vfs_update_interval;
+extern int osreldate;
 
 /*
  * kernel related system variables.
@@ -212,6 +213,8 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
 		return (sysctl_rdint(oldp, oldlenp, newp, BSD));
 	case KERN_VERSION:
 		return (sysctl_rdstring(oldp, oldlenp, newp, version));
+	case KERN_OSRELDATE:
+		return (sysctl_rdint(oldp, oldlenp, newp, osreldate));
 	case KERN_MAXVNODES:
 		return(sysctl_int(oldp, oldlenp, newp, newlen, &desiredvnodes));
 	case KERN_MAXPROC:
diff --git a/sys/sys/sysctl.h b/sys/sys/sysctl.h
index 590e579369f5..acad92526dd9 100644
--- a/sys/sys/sysctl.h
+++ b/sys/sys/sysctl.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)sysctl.h	8.1 (Berkeley) 6/2/93
- * $Id: sysctl.h,v 1.3 1994/08/08 00:30:12 wollman Exp $
+ * $Id: sysctl.h,v 1.4 1994/08/08 15:41:08 wollman Exp $
  */
 
 #ifndef _SYS_SYSCTL_H_
@@ -130,7 +130,8 @@ struct ctlname {
 #define	KERN_BOOTTIME		21	/* struct: time kernel was booted */
 #define KERN_DOMAINNAME		22	/* string: YP domain name */
 #define KERN_UPDATEINTERVAL	23	/* int: update process sleep time */
-#define	KERN_MAXID		24	/* number of valid kern ids */
+#define KERN_OSRELDATE		24	/* int: OS release date */
+#define	KERN_MAXID		25	/* number of valid kern ids */
 
 #define CTL_KERN_NAMES { \
 	{ 0, 0 }, \
@@ -157,6 +158,7 @@ struct ctlname {
 	{ "boottime", CTLTYPE_STRUCT }, \
 	{ "domainname", CTLTYPE_STRING }, \
 	{ "update", CTLTYPE_INT }, \
+	{ "osreldate", CTLTYPE_INT }, \
 }
 
 /*