fix parallel build issues

--- sdcc/device/lib/Makefile.in
+++ sdcc/device/lib/Makefile.in
@@ -347,37 +347,21 @@
 	  cp -f $(PORT)/bin/*.* $(SDCCPORTDIR); \
 	fi
 
-$(LIB_FILES): $(OBJECTS_FLOAT) $(OBJECTS_INT) $(OBJECTS_LONG) $(OBJECTS_SDCC)
 ifeq ($(LIB_TYPE), SDCCLIB)
-	../../bin/sdcclib -a $(SDCCPORTDIR)/libfloat.lib $(OBJECTS_FLOAT)
-	../../bin/sdcclib -a $(SDCCPORTDIR)/libint.lib $(OBJECTS_INT)
-	../../bin/sdcclib -a $(SDCCPORTDIR)/liblong.lib $(OBJECTS_LONG)
-	../../bin/sdcclib -a $(SDCCPORTDIR)/libsdcc.lib $(OBJECTS_SDCC)
+mklib = ../../bin/sdcclib -a $@ $^
 else ifeq ($(LIB_TYPE), AR)
-	ar -Scq $(SDCCPORTDIR)/libfloat.lib $(OBJECTS_FLOAT)
-	ar -Scq $(SDCCPORTDIR)/libint.lib $(OBJECTS_INT)
-	ar -Scq $(SDCCPORTDIR)/liblong.lib $(OBJECTS_LONG)
-	ar -Scq $(SDCCPORTDIR)/libsdcc.lib $(OBJECTS_SDCC)
+mklib = ar -Scq $@ $^
 else ifeq ($(LIB_TYPE), RANLIB)
-	ar -Scq $(SDCCPORTDIR)/libfloat.lib $(OBJECTS_FLOAT); $(top_builddir)/bin/asranlib $(SDCCPORTDIR)/libfloat.lib
-	ar -Scq $(SDCCPORTDIR)/libint.lib $(OBJECTS_INT); $(top_builddir)/bin/asranlib $(SDCCPORTDIR)/libint.lib
-	ar -Scq $(SDCCPORTDIR)/liblong.lib $(OBJECTS_LONG); $(top_builddir)/bin/asranlib $(SDCCPORTDIR)/liblong.lib
-	ar -Scq $(SDCCPORTDIR)/libsdcc.lib $(OBJECTS_SDCC); $(top_builddir)/bin/asranlib $(SDCCPORTDIR)/libsdcc.lib
+mklib = ar -Scq $@ $^ && $(top_builddir)/bin/asranlib $@
 else
-	rm -f $(SDCCPORTDIR)/libfloat.lib
-	for i in $(notdir $(basename $(OBJECTS_FLOAT))); do echo $$i >> $(SDCCPORTDIR)/libfloat.lib; done
-	cp $(OBJECTS_FLOAT) $(SDCCPORTDIR)
-	rm -f $(SDCCPORTDIR)/libint.lib
-	for i in $(notdir $(basename $(OBJECTS_INT))); do echo $$i >> $(SDCCPORTDIR)/libint.lib; done
-	cp $(OBJECTS_INT) $(SDCCPORTDIR)
-	rm -f $(SDCCPORTDIR)/liblong.lib
-	for i in $(notdir $(basename $(OBJECTS_LONG))); do echo $$i >> $(SDCCPORTDIR)/liblong.lib; done
-	cp $(OBJECTS_LONG) $(SDCCPORTDIR)
-	rm -f $(SDCCPORTDIR)/libsdcc.lib
-	for i in $(notdir $(basename $(OBJECTS_SDCC))); do echo $$i >> $(SDCCPORTDIR)/libsdcc.lib; done
-	cp $(OBJECTS_SDCC) $(SDCCPORTDIR)
+mklib = for i in $(notdir $(basename $^)); do echo $$i; done >> $@; cp $^ $(SDCCPORTDIR)
 endif
 
+$(SDCCPORTDIR)/libfloat.lib: $(OBJECTS_FLOAT); $(mklib)
+$(SDCCPORTDIR)/libint.lib: $(OBJECTS_INT); $(mklib)
+$(SDCCPORTDIR)/liblong.lib: $(OBJECTS_LONG); $(mklib)
+$(SDCCPORTDIR)/libsdcc.lib: $(OBJECTS_SDCC); $(mklib)
+
 clean_intermediate:
 	rm -f $(SDCCPORTDIR)/*.lst $(SDCCPORTDIR)/*.sym