diff --git a/make/defs.mk b/make/defs.mk
index 96a5a666..d852ffc6 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -5,6 +5,8 @@
 ifndef JW_BUILD_DEF_MK_INCLUDED
 JW_BUILD_DEF_MK_INCLUDED = true
 
+MAKEFLAGS             += -r
+
 include $(MODDIR)/make/platform.mk
 include $(MODDIR)/make/projects.mk
 
diff --git a/make/rules.mk b/make/rules.mk
index 854f7202..06c27296 100644
--- a/make/rules.mk
+++ b/make/rules.mk
@@ -309,6 +309,9 @@ $(FLAVOUR_PREFIX)%.o: %.c
 $(FLAVOUR_PREFIX)%.o: %.S
 	$(CC) $(BUILD_CFLAGS) -c $< -o $@
 
+$(LIB_A)(%.o): %.o
+	$(AR) cr $(LIB_A) $<
+
 timers_%.h: %.h $(GENERATE_FUNC_TIMERS)
 	sh $(GENERATE_FUNC_TIMERS) $< $@
 
@@ -388,7 +391,7 @@ $$(TOPDIR)/dir_install_$(1).done:
 	mkdir -p $$(INSTALL_$(1)DIR)
 	touch $$@
 
-$$(BUILD_$(1)DIR)/%: % $$(TOPDIR)/dir_build_$(1).done
+$$(BUILD_$(1)DIR)/%: % | $$(TOPDIR)/dir_build_$(1).done
 	@if [ ! $$< -ef $$@ -a "`echo $$< | $(SED) 's/\..*//'`" != local ]; then \
 		echo install -p -m $($(1)MODE) $$< $$@ ;\
 		install -p -m $($(1)MODE) $$< $$@ ;\