linux-kernel - Re: sata & scsi suggestion for make menuconfig

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Date:	Sat, 08 Sep 2007 21:45:49 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	Folkert van Heusden <folkert@...heusden.com>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: sata & scsi suggestion for make menuconfig

Randy Dunlap wrote:
> On Sat, 08 Sep 2007 18:44:46 +0200 Stefan Richter wrote:
>> Randy Dunlap wrote:
>>> The problem with 'select' here is that it will enable BLK_DEV_SD,
>>> but if SCSI is not enabled, it will not become enabled -- i.e.,
>>> select does not follow the dependency chain.  So usually the
>>> kernel will not build unless SCSI is enabled by the user.
...
>> I checked the dependencies.  ATA depends on SCSI (actually, selects
>> SCSI), so all is well.  Otherwise I would have added more dependencies
>> to ATA_SD.
> 
> Ah, that's good, then.

Not completely though.  Whenever a 'select' is inserted into the
dependency graph, the whole thing becomes more fragile WRT future changes.
-- 
Stefan Richter
-=====-=-=== =--= -=---
http://arcgraph.de/sr/
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