Re: [RFC PATCH 1/2] Kconfig: Introduce "uses" keyword

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On Tue, 21 Apr 2020, Saeed Mahameed wrote:

> I wonder how many of those 8889 cases wanted a weak dependency but
> couldn't figure out how to do it ? 
> 
> Users of depends on FOO || !FOO
> 
> $ git ls-files | grep Kconfig | xargs grep -E \
>   "depends\s+on\s+([A-Za-z0-9_]+)\s*\|\|\s*(\!\s*\1|\1\s*=\s*n)" \
>  | wc -l
> 
> 156
> 
> a new keyword is required :) .. 
> 
> 
> > In another mail I suggested
> > 
> > 	optionally depends on FOO
> > 
> > might be a better alternative than "uses".
> > 
> > 
> 
> how about just:
>       optional FOO
> 
> It is clear and easy to document .. 

I don't dispute your argument for having a new keyword. But the most 
difficult part as Arnd said is to find it. You cannot pretend that 
"optional FOO" is clear when it actually imposes a restriction when 
FOO=m. Try to justify to people why they cannot select y because of this 
"optional" thing.


Nicolas



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