diff --git a/mach/pdp/.distr b/mach/pdp/.distr
index 934a1580c..74fda7967 100644
--- a/mach/pdp/.distr
+++ b/mach/pdp/.distr
@@ -4,10 +4,7 @@ cg
 top
 cv
 int
-libcc
 libem
-libpc
-libbc
+libend
 libsys
-liboc
-libm2
+mach_params
diff --git a/mach/pdp/Action b/mach/pdp/Action
index 678b7a079..0ef9e1d37 100644
--- a/mach/pdp/Action
+++ b/mach/pdp/Action
@@ -14,24 +14,12 @@ name "PDP 11 interpreter"
 system pdp*
 dir int
 end
-name "PDP 11 C libraries"
-dir libcc
-end
 name "PDP 11 EM library"
 dir libem
 end
+name "PDP 11 etext,edata,end library"
+dir libend
+end
 name "PDP 11 systemcall library"
 dir libsys
 end
-name "PDP 11 Pascal library"
-dir libpc
-end
-name "PDP 11 Basic library"
-dir libbc
-end
-name "PDP 11 Occam library"
-dir liboc
-end
-name "PDP 11 Modula-2 library"
-dir libm2
-end
diff --git a/mach/pdp/cv/proto.make b/mach/pdp/cv/proto.make
new file mode 100644
index 000000000..ffc67f812
--- /dev/null
+++ b/mach/pdp/cv/proto.make
@@ -0,0 +1,33 @@
+# $Header$
+
+#PARAMS		do not remove this line!
+
+OBJLIB=$(TARGET_HOME)/modules/lib/libobject.$(LIBSUF)
+
+SRC_DIR = $(SRC_HOME)/mach/pdp/cv
+
+all:	cv
+
+cv:	cv.$(SUF)
+	$(CC) $(LDOPTIONS) -o cv cv.$(SUF) $(OBJLIB)
+
+cv.$(SUF):	$(SRC_DIR)/cv.c
+	$(CC) $(COPTIONS) -I$(TARGET_HOME)/h -c $(SRC_DIR)/cv.c
+
+install:	all
+	cp cv $(TARGET_HOME)/lib.bin/pdp/cv
+
+cmp:	all
+	-cmp cv $(TARGET_HOME)/lib.bin/pdp/cv
+
+clean:
+	rm -f *.(SUF) Out
+
+lint:
+	$(LINT) $(LINTOPTIONS) -I$(TARGET_HOME)/h $(SRC_DIR)/cv.c $(UTIL_HOME)/modules/lib/$(LINTPREF)object.$(LINTSUF)
+
+pr:
+	@pr $(SRC_DIR)/proto.make $(SRC_DIR)/cv.c
+
+opr:
+	make pr | opr
diff --git a/mach/pdp/mach_params b/mach/pdp/mach_params
new file mode 100644
index 000000000..b946eafcc
--- /dev/null
+++ b/mach/pdp/mach_params
@@ -0,0 +1,4 @@
+MACH=pdp
+SUF=o
+ASAR=aal
+RANLIB=:
diff --git a/mach/pmds/.distr b/mach/pmds/.distr
index f15502b4d..0e1e702e5 100644
--- a/mach/pmds/.distr
+++ b/mach/pmds/.distr
@@ -1,3 +1,4 @@
 Action
 cv
 libsys
+mach_params
diff --git a/mach/pmds/mach_params b/mach/pmds/mach_params
new file mode 100644
index 000000000..c17efa889
--- /dev/null
+++ b/mach/pmds/mach_params
@@ -0,0 +1,4 @@
+MACH=pmds
+SUF=o
+ASAR=aal
+RANLIB=:
diff --git a/mach/pmds4/libsys/.distr b/mach/pmds4/libsys/.distr
index 7b4628ec4..1edec9f14 100644
--- a/mach/pmds4/libsys/.distr
+++ b/mach/pmds4/libsys/.distr
@@ -1,5 +1,3 @@
 LIST
-Makefile
 head_em.s
 libmon_s.a
-compmodule