netdev - Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "select"

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Date:	Mon, 7 May 2007 13:50:52 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Satyam Sharma <satyam.sharma@...il.com>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Krzysztof Halasa <khc@...waw.pl>,
	Russell King <rmk@....linux.org.uk>,
	lkml <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "select"

On Mon, 07 May 2007 16:31:48 -0400 Jeff Garzik wrote:

> Satyam Sharma wrote:
> > Yes, mixing select and depends is a recipe for build disasters. Call
> > me a rabid fanatic, but I would in fact go as far as to say that this
> > whole "select" thing in the Kconfig process is one big BUG, and not a
> > feature. People are lazy by nature and would rather just "select" a
> > dependency for their config option than burden users with several
> > "depends".
> 
> Tough, the kernel community has voted against you.

Andrew (usually) implores people not to use "select" and I agree
with him.

> It makes far more sense to include a driver during kernel configuration, 
> and have that driver pull in its libraries via 'select'.  The lame 
> alternative requires developers to know which libraries they need BEFORE 
> picking their drivers, which is backwards and requires legwork on the 
> part of the kernel developer.

Developers?  If you had said "users," I might agree, but IMO it's
OK (or even Good) for developers to know what libraries their code
uses/requires.  Yes, that's a good thing.


---
~Randy
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