linux-kernel - Re: [PATCH] Remove the new perl dependency from build.

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Message-ID: <47B64FE9.3000304@zytor.com>
Date:	Fri, 15 Feb 2008 18:52:25 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Rob Landley <rob@...dley.net>
CC:	linux-kernel@...r.kernel.org, miltonm@....com,
	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Remove the new perl dependency from build.

Rob Landley wrote:
> 
> Removed the special case "canned" logic from the perl script (it always requires
> Math::bigint when it runs now).  Moved the list of canned values into
> kernel/Makefile.  (It's already a selection menu in kconfig, so you can't
> just feed arbitrary values into it anyway.  If you add a new value to kconfig,
> add it to kernel/Makefile as well and delete kernel/timeconst.h so the build
> recreates it.)
> 

The problem is that for at least one architecture, CONFIG_HZ is settable 
to arbitrary values, so you need a way to invoke the generic code if you 
don't have a pre-canned value available.

I have to admit to having very little interest in this kind of 
minimality exercises, which seem to have pretty much academic value only 
-- in reality, people cross-compile the kernel to go onto this kind of 
minimal boxes.

	-hpa
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