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Date: Tue, 8 May 2007 02:19:53 +0530 From: "Satyam Sharma" <satyam.sharma@...il.com> To: "Jeff Garzik" <jeff@...zik.org> Cc: "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 5/8/07, Jeff Garzik <jeff@...zik.org> 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. Heh ... I guess I appeared a trifle _too_ fanatic there, but I'm not. That rant against it was actually more about controlling its {ab-,mis-}use and rampant proliferation (even to cases where it is inapplicable / avoidable) than removing it altogether. Especially, when a developer is lazy / wrong and mixes select and depends in the same dependency chain leading to errors. > 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. (That bit about a developer _knowing_ which libraries to select manually before selecting a driver is not really true, you can "?" on a config item and get all its "depends" and "select" dependencies anyway -- and it requires more leg work, yes, but then you'll never have build failures either) Still, I don't really disagree w.r.t. "select"ing libraries, as long as we're careful to limit them to _only_ libraries. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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