diff --git a/mach/pdp/libpc/compmodule b/mach/pdp/libpc/compmodule
new file mode 100755
index 000000000..9812f89db
--- /dev/null
+++ b/mach/pdp/libpc/compmodule
@@ -0,0 +1,2 @@
+${MACH?} -I/usr/em/h ${MACHFL?} $1 1>&2
+echo `basename $1 $2`.o
diff --git a/mach/pdp/libpc/makefile b/mach/pdp/libpc/makefile
new file mode 100644
index 000000000..ddc6a8e63
--- /dev/null
+++ b/mach/pdp/libpc/makefile
@@ -0,0 +1,21 @@
+MAKEFILE=../../proto/libg/Makefile
+MACHDEF="MACH=pdp -Rbe-p2" "SUF=s" "ASAR=ar"
+PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
+LIBDIR=../lib
+
+install:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) cp
+
+cmp:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) all
+	cmp head_pc $(LIBDIR)/head_pc
+	cmp tail_pc $(LIBDIR)/tail_pc
+
+clean:
+		-rm -f *.old *.[ce$(SUF)] tail* head*
+
+opr:
+	make pr | opr
+
+pr:
+	@pr Makefile