Index: packages/mp/Makefile.in
===================================================================
RCS file: /usr/local/cvspl/pl/packages/mp/Makefile.in,v
retrieving revision 1.2
diff -u -p -r1.2 Makefile.in
--- packages/mp/Makefile.in
+++ packages/mp/Makefile.in
@@ -41,12 +41,12 @@ pl:		$(LIBPL) $(MPOBJ)
 		plld -nostate -o $@ $(CIFLAGS) $(LIBPL) $(MPOBJ) $(LOCALLIB) $(LIBS)
 
 install:	$(TARGETS) $(LIBPL)
-		mkdir -p $(PLBASE)/lib/$(PLARCH)
+		mkdir -p $(DESTDIR)$(PLBASE)/lib/$(PLARCH)
 		for f in $(TARGETS); do \
-		  $(INSTALL) -m 755 $$f $(PLBASE)/lib/$(PLARCH); \
+		  $(INSTALL) -m 755 $$f $(DESTDIR)$(PLBASE)/lib/$(PLARCH); \
 		done
 		for f in $(LIBPL); do \
-		  $(INSTALL) -m 644 $$f $(PLBASE)/library; \
+		  $(INSTALL) -m 644 $$f $(DESTDIR)$(PLBASE)/library; \
 		done
 		$(PL) -f none -g make -t halt