diff --git a/lib/libc_r/sys/Makefile.inc b/lib/libc_r/sys/Makefile.inc
index 6470b67795af..3e66978cd589 100644
--- a/lib/libc_r/sys/Makefile.inc
+++ b/lib/libc_r/sys/Makefile.inc
@@ -27,7 +27,7 @@ ASM=	access.o acct.o adjtime.o chdir.o chflags.o chmod.o \
 	setpgid.o setpriority.o setregid.o setreuid.o setrlimit.o \
 	setsid.o settimeofday.o setuid.o shmsys.o stat.o statfs.o \
 	swapon.o symlink.o sync.o sysarch.o umask.o unlink.o \
-	unmount.o utimes.o vadvise.o __syscall.o __sysctl.o
+	unmount.o utimes.o utrace.o vadvise.o __syscall.o __sysctl.o
 
 # Syscalls renamed as _thread_sys_{syscall}.
 THREADASM=	accept.o bind.o close.o connect.o dup.o dup2.o \
diff --git a/lib/libc_r/yp/Makefile.inc b/lib/libc_r/yp/Makefile.inc
index 3e8540d84506..2f6a9c118596 100644
--- a/lib/libc_r/yp/Makefile.inc
+++ b/lib/libc_r/yp/Makefile.inc
@@ -1,8 +1,17 @@
 #	from: @(#)Makefile.inc	5.3 (Berkeley) 2/20/91
-#	$Id: Makefile.inc,v 1.1 1994/08/07 23:04:53 wollman Exp $
+#	$Id: Makefile.inc,v 1.1 1996/01/22 00:23:58 julian Exp $
 
 # yp sources
 .PATH: ${.CURDIR}/../libc/yp
 
-SRCS+=	xdryp.c yplib.c
+SRCS+=	xdryp.c yp_xdr.c yplib.c
+CLEANFILES+=    yp_xdr.c yp.h
 
+RPCSRC= ${.DESTDIR}/usr/include/rpcsvc/yp.x
+RPCGEN= rpcgen
+
+yp_xdr.c: ${RPCSRC} yp.h
+        ${RPCGEN} -c -o ${.TARGET} ${RPCSRC}
+
+yp.h: ${RPCSRC}
+        ${RPCGEN} -h -o ${.TARGET} ${RPCSRC}
diff --git a/lib/libkse/sys/Makefile.inc b/lib/libkse/sys/Makefile.inc
index 6470b67795af..3e66978cd589 100644
--- a/lib/libkse/sys/Makefile.inc
+++ b/lib/libkse/sys/Makefile.inc
@@ -27,7 +27,7 @@ ASM=	access.o acct.o adjtime.o chdir.o chflags.o chmod.o \
 	setpgid.o setpriority.o setregid.o setreuid.o setrlimit.o \
 	setsid.o settimeofday.o setuid.o shmsys.o stat.o statfs.o \
 	swapon.o symlink.o sync.o sysarch.o umask.o unlink.o \
-	unmount.o utimes.o vadvise.o __syscall.o __sysctl.o
+	unmount.o utimes.o utrace.o vadvise.o __syscall.o __sysctl.o
 
 # Syscalls renamed as _thread_sys_{syscall}.
 THREADASM=	accept.o bind.o close.o connect.o dup.o dup2.o \
diff --git a/lib/libpthread/sys/Makefile.inc b/lib/libpthread/sys/Makefile.inc
index 6470b67795af..3e66978cd589 100644
--- a/lib/libpthread/sys/Makefile.inc
+++ b/lib/libpthread/sys/Makefile.inc
@@ -27,7 +27,7 @@ ASM=	access.o acct.o adjtime.o chdir.o chflags.o chmod.o \
 	setpgid.o setpriority.o setregid.o setreuid.o setrlimit.o \
 	setsid.o settimeofday.o setuid.o shmsys.o stat.o statfs.o \
 	swapon.o symlink.o sync.o sysarch.o umask.o unlink.o \
-	unmount.o utimes.o vadvise.o __syscall.o __sysctl.o
+	unmount.o utimes.o utrace.o vadvise.o __syscall.o __sysctl.o
 
 # Syscalls renamed as _thread_sys_{syscall}.
 THREADASM=	accept.o bind.o close.o connect.o dup.o dup2.o \