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Date:	Sat, 19 Jan 2008 05:36:47 +0100 (CET)
From:	Roman Zippel <>
To:	Jan Beulich <>
cc:	Randy Dunlap <>,,
Subject: Re: non-choice related config entries within choice


On Wed, 16 Jan 2008, Jan Beulich wrote:

> now that I finally found time to look into the problems that caused the
> patch changing boolean/tristate choice behavior to be reverted I find
> that due to the way things worked in the past there are a couple of
> cases where config options not really belonging to the choice are inside
> the choice scope (drivers/usb/gadget/Kconfig, arch/ppc/Kconfig, and
> arch/mips/Kconfig are where I found such cases, and I hope this is a
> complete list).
> The question is: Is it intended for this to work the way it used to, or
> is it rather reasonable to change these scripts so that stuff dependent
> upon the choice selection is being dealt with outside the choice scope?

This is really a feature, try it with a visible option there which depends 
on a choice option.
First for the choice type I think it's simpler to just look at the first 
choice option, anything more complex simply has to specify the type 

The bigger problem is that menu_finalize() is little complex which makes 
such changes more difficult, basically it does two things (updating the 
dependencies and generating the menu structure) in one pass and it depends 
on a specific order, which is nonobvious. I really should clean this up to 
make it easier to follow what's happening.
For now this means the dependency to the choice symbol has to be added a 
little later right before the call to menu_add_symbol().

bye, Roman
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