diff --git a/mach/pmds4/libsys/Makefile b/mach/pmds4/libsys/Makefile
new file mode 100644
index 000000000..a48218a4e
--- /dev/null
+++ b/mach/pmds4/libsys/Makefile
@@ -0,0 +1,14 @@
+# $Header$
+install:
+	../../install tail_mon tail_mon
+
+cmp:
+	-../../compare tail_mon tail_mon
+
+clean :
+
+opr :
+	make pr | opr
+
+pr:
+	@arch pv tail_mon | pr -h `pwd`/tail_mon