diff --git a/usr.sbin/ppp/Makefile b/usr.sbin/ppp/Makefile
index 07c2af6dd6dc..33a2b9f23f86 100644
--- a/usr.sbin/ppp/Makefile
+++ b/usr.sbin/ppp/Makefile
@@ -1,4 +1,4 @@
-#	$Id: Makefile,v 1.4 1996/01/11 17:48:33 phk Exp $
+#	$Id: Makefile,v 1.5 1996/01/30 20:04:20 phk Exp $
 
 PROG=	ppp
 SRCS=	async.c auth.c ccp.c chap.c chat.c command.c filter.c fsm.c hdlc.c \
@@ -6,11 +6,13 @@ SRCS=	async.c auth.c ccp.c chap.c chat.c command.c filter.c fsm.c hdlc.c \
 	pap.c pred.c route.c slcompress.c timer.c systems.c uucplock.c vars.c \
 	vjcomp.c arp.c
 #CFLAGS+= -DHAVE_SHELL_CMD_WITH_ANY_MODE
-CFLAGS += -Wall
+CFLAGS += -Wall -DUSE_PERROR
 LDADD += -lmd
 DPADD += ${LIBMD}
 MAN8=	ppp.8
 BINMODE=4555
 BINOWN=	root
 
+.PATH: ${.CURDIR}/../../sbin/startslip
+
 .include <bsd.prog.mk>
diff --git a/usr.sbin/ppp/uucplock.c b/usr.sbin/ppp/uucplock.c
deleted file mode 100644
index 5b1ffa2ab098..000000000000
--- a/usr.sbin/ppp/uucplock.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: uucplock.c,v 1.6 1996/01/10 21:28:03 phk Exp $
- *
- */
-
-#ifndef lint
-static char const sccsid[] = "@(#)uucplock.c	5.5 (Berkeley) 6/1/90";
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/file.h>
-#include <sys/dir.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <signal.h>
-#include "pathnames.h"
-
-/*
- * uucp style locking routines
- * return: 0 - success
- * 	  -1 - failure
- */
-
-int
-uu_lock(ttyname)
-	char *ttyname;
-{
-	extern int errno;
-	int fd, pid;
-	char tbuf[sizeof(_PATH_LOCKDIRNAME) + MAXNAMLEN];
-	char pid_buf[64];
-	off_t lseek();
-
-	(void)sprintf(tbuf, _PATH_LOCKDIRNAME, ttyname);
-	fd = open(tbuf, O_RDWR|O_CREAT|O_EXCL, 0664);
-	if (fd < 0) {
-		/*
-		 * file is already locked
-		 * check to see if the process holding the lock still exists
-		 */
-		fd = open(tbuf, O_RDWR, 0);
-		if (fd < 0) {
-			perror("lock open");
-			return(-1);
-		}
-		if (read(fd, pid_buf, sizeof(pid_buf)) <= 0) {
-			(void)close(fd);
-			perror("lock read");
-			return(-1);
-		}
-
-		pid = atoi(pid_buf);
-
-		if (kill(pid, 0) == 0 || errno != ESRCH) {
-			(void)close(fd);	/* process is still running */
-			return(-1);
-		}
-		/*
-		 * The process that locked the file isn't running, so
-		 * we'll lock it ourselves
-		 */
-		if (lseek(fd, (off_t) 0, L_SET) < 0) {
-			(void)close(fd);
-			perror("lock lseek");
-			return(-1);
-		}
-		/* fall out and finish the locking process */
-	}
-	pid = getpid();
-	sprintf(pid_buf, "%10u\n", pid);
-	if (write(fd, pid_buf, strlen(pid_buf)) != strlen(pid_buf)) {
-		(void)close(fd);
-		(void)unlink(tbuf);
-		perror("lock write");
-		return(-1);
-	}
-	(void)close(fd);
-	return(0);
-}
-
-int
-uu_unlock(ttyname)
-	char *ttyname;
-{
-	char tbuf[sizeof(_PATH_LOCKDIRNAME) + MAXNAMLEN];
-
-	(void)sprintf(tbuf, _PATH_LOCKDIRNAME, ttyname);
-	return(unlink(tbuf));
-}