ifneq (,$(strip $(TARGETS)))
# usually install $(LIB_LIB) or $(OBJS), race condition in "[ -d x ] || mkdir x"
install : recurse $(OBJS) $(LIB_LIB)
ifneq (,$(strip $(TARGETS)))
# usually install $(LIB_LIB) or $(OBJS), race condition in "[ -d x ] || mkdir x"
install : recurse $(OBJS) $(LIB_LIB)