Re: [RFC PATCH 1/2] Kconfig: Introduce "uses" keyword
From: Nicolas Pitre
Date: Tue Apr 21 2020 - 09:58:26 EST
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