linux-kernel - Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301

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Message-ID: <Pine.LNX.4.64.0706230049480.1817@scrub.home>
Date:	Sat, 23 Jun 2007 01:12:29 +0200 (CEST)
From:	Roman Zippel <zippel@...ux-m68k.org>
To:	Satyam Sharma <satyam.sharma@...il.com>
cc:	Trent Piepho <xyzzy@...akeasy.org>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	toralf.foerster@....de, Oliver Neukum <oneukum@...e.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Luca Risolia <luca.risolia@...dio.unibo.it>
Subject: Re: Kconfig troubles when using menuconfig - Was: [patch]Re:
 [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

Hi,

On Sat, 23 Jun 2007, Satyam Sharma wrote:

> 1. Kconfig symbols will always have code associated with them.
> That's the entire purpose of Kconfig, is it not?

A possible counter example: CONFIG_SCSI.
(RAID_ATTRS is currently a little misplaced).
It's optional for any config symbol to have any code attached to it, 
menuconfig doesn't change anything.

> 2. "menuconfig" symbols, otoh, were _invented_ for another reason
> entirely: presentation and user interface i.e. so that users are able
> to disable entire menus (and all the options contained therein)
> without having to enter into the menu first, and without having to
> disable all options individually (which was the situation that existed
> before the introduction of these menuconfig objects).

Since I'm the one who _invented_ it, I can tell you you're wrong. :)
This functionality isn't limited to menuconfig symbols. The menu option 
simply changes how the child symbols can be displayed.

bye, Roman
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