linux-kernel - Re: PATCH [0/3]: Simplify the kernel build by removing perl.

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Date:	Sat, 3 Jan 2009 23:54:30 +0100
From:	"Leon Woestenberg" <leon.woestenberg@...il.com>
To:	"Rob Landley" <rob@...dley.net>
Cc:	"Embedded Linux mailing list" <linux-embedded@...r.kernel.org>,
	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, "Sam Ravnborg" <sam@...nborg.org>
Subject: Re: PATCH [0/3]: Simplify the kernel build by removing perl.

Hello all,

On Fri, Jan 2, 2009 at 9:07 AM, Rob Landley <rob@...dley.net> wrote:
> Before 2.6.25 (specifically git bdc807871d58285737d50dc6163d0feb72cb0dc2 )
> building a Linux kernel never required perl to be installed on the build
> system.  (Various development and debugging scripts were written in perl and
> python and such, but they weren't involved in actually building a kernel.)
> Building a kernel before 2.6.25 could be done with a minimal system built from
> gcc, binutils, bash, make, busybox, uClibc, and the Linux kernel, and nothing
> else.  (Embedded developers creating clean cross compile environments that
>

I agree with Rob that the amount of required dependencies should be
kept to a minimum.

If we only use 0.5% of a certain language (or: dependent package),
then rather implement
that 0.5% in the existing language.

Dependencies very quickly become dependency hell. If A requires B,
then A also inherits all
(future) requirements of B, etc. etc.

In my daily software development work with Linux and GNU software in
general, 10% of it is spent fighting/removing these extremely "thin"
or false depencies, so that it is usuable in embedded devices.


Regards,
-- 
Leon
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