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SubjectRe: [PATCH 3/4] kbuild: create object directories simpler and faster
2017-11-10 18:21 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Hi Cao,
>
>
> 2017-11-10 17:45 GMT+09:00 Cao jin <caoj.fnst@cn.fujitsu.com>:
>
>>> +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!

I take back this comment.

I was testing it, and in fact
Kbuild failed to create modules.order
due to missing $(obj) directory.





--
Best Regards
Masahiro Yamada

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