diff --git a/mach/m68k4/libsys/Makefile b/mach/m68k4/libsys/Makefile
index 8908c873..f234ee51 100644
--- a/mach/m68k4/libsys/Makefile
+++ b/mach/m68k4/libsys/Makefile
@@ -1,15 +1,22 @@
 # $Header$
 MACH=m68k4
-all:		tail_mon
+all:		libmon_o.a head_em
+
 install: 	all
-		../../install tail_mon
+		../../install head_em.o head_em
+		../../install libmon_o.a tail_mon
+
 
 cmp:		all
-		-../../compare tail_mon
+		-../../compare head_em.o head_em
+		-../../compare libmon_o.a tail_mon
 
-tail_mon:	tail_mon.a
+libmon_o.a:	libmon_s.a
 		ASAR=aal ; export ASAR ;\
-		march . tail_mon
+		march . libmon_o.a
+
+head_em.o:	head_em.s
+		$(MACH) -I../../../h -c head_em.s
 
 clean:
 		rm -f *.o
@@ -18,4 +25,5 @@ opr :
 		make pr | opr
 
 pr:
-		@ar pv tail_mon.a
+		@pr `pwd`/head_em.s
+		@arch pv libmon_s.a | pr -h `pwd`/libmon_s.a