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SubjectRe: [PATCH v4 07/31] kconfig: add built-in function support
2018-05-22 0:10 GMT+09:00 Ulf Magnusson <ulfalizer@gmail.com>:
> On Mon, May 21, 2018 at 4:32 PM, Ulf Magnusson <ulfalizer@gmail.com> wrote:
>> On Mon, May 21, 2018 at 4:23 PM, Ulf Magnusson <ulfalizer@gmail.com> wrote:
>>> On Sun, May 20, 2018 at 4:50 PM, Sam Ravnborg <sam@ravnborg.org> wrote:
>>>> Will the following be equal:
>>>>
>>>> $(foo,abc,$(x),$(y))
>>>> $(foo, abc, $(x), $(y))
>>>>
>>>> make is rather annoying as space is significant, but there seems no good reason
>>>> for kconfig to inheritate this.
>>>> So unless there are good arguments consider alloing the spaces.
>>>> If the current implmentation already supports optional spaces then I just missed
>>>> it whie reviewing.
>>>>
>>>> Sam
>>>
>>> +1 from me.
>>>
>>> I also find the rules for whitespace in Make confusing, and always
>>> have to look them up when doing trickier stuff. Maybe they're the
>>> result of people not considering whitespace initially, and stuff
>>> getting tacked on later. GNU Make adds some alternate syntaxes with
>>> quotes.
>>>
>>> I was going to mention shell, but it looks like you already did. :)
>>>
>>> If we go with Make-like syntax, maybe we could at least have a variant
>>> with fewer whitespace gotchas.
>>>
>>> Cheers,
>>> Ulf
>>
>> Maybe it'd be a pain to implement, but something like $(foo $(x) "two
>> words" "interpolated $(stuff)") seems pretty nice, with three
>> arguments there.
>
> Guess that might interact poorly with $(shell foo "bar baz") though.
> Kinda nice to have a syntax that doesn't overlap with shell when
> building shell commands.


Right. I can easily imagine
that would end up with more gotchas due to quoting and escaping.



> Still wondering if you could get rid of some of the Make gotchas
> without losing other stuff...
>
> Cheers,
> Ulf



--
Best Regards
Masahiro Yamada

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