linux-kernel - Re: Ingo, no more kconfig patches

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Date:	Sun, 4 May 2008 00:47:50 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Krzysztof Halasa <khc@...waw.pl>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Ingo, no more kconfig patches

On Sat, May 03, 2008 at 11:17:09PM +0200, Krzysztof Halasa wrote:
> Adrian Bunk <bunk@...nel.org> writes:
> 
> > I'm not even sure the semantics of "select follows dependencies" 
> > would actually be better than what we have today.
> 
> I think it would. But how would that actually work? By displaying all
> relevant dependency chains and asking the user to select one?

Let's look at the problem this thread is about:

menuconfig NEW_LEDS
        bool "LED Support"

config LEDS_CLASS
        tristate "LED Class Support"
	depends on NEW_LEDS              # actually an "if", but that's 
                                           just syntactical sugar

config X86_RDC321X
        bool "RDC R-321x SoC"
        select LEDS_CLASS


If you select LEDS_CLASS "select follows dependencies" would let inherit 
X86_RDC321X the dependencies of LEDS_CLASS, IOW treat it as:

config X86_RDC321X
        bool "RDC R-321x SoC"
        select LEDS_CLASS
	depends on NEW_LEDS


That might make the randconfig crowd happy.

But from an UI perspective it's not an improvement.


And regarding "displaying all relevant dependency chains" to the user - 
I can't see how that would work in the more complicated cases.


> Krzysztof Halasa

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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