Hi Cao, 2017-11-10 17:45 GMT+09:00 Cao jin <caoj.fnst@xxxxxxxxxxxxxx>: >> +ifneq ($(KBUILD_SRC),) >> +# Create directories for object files if directory does not exist >> +obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets)))) >> +$(shell mkdir -p $(obj-dirs)) >> +endif >> + > > I just take a quick glance: is "$(obj)" here necessary? I think all > $(targets) are under directory $(obj) when we descend into $(obj) to > recursive make, if I don't miss anything. Good catch! I agree that $(obj) is unnecessary. I will remove it if I see no problem in testing. Thanks! -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html