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

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Message-ID: <20090102094934.GB17841@infradead.org>
Date:	Fri, 2 Jan 2009 04:49:34 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
Cc:	linux-kernel@...r.kernel.org, Rob Landley <rob@...dley.net>,
	Embedded Linux mailing list <linux-embedded@...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.

On Fri, Jan 02, 2009 at 10:26:37AM +0100, Arkadiusz Miskiewicz wrote:
> On Friday 02 of January 2009, Rob Landley 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.
> 
> And now bash is going to be required... while some distros don't need/have 
> bash. /bin/sh should be enough.

*nod*  bash is in many ways a worse requirement than perl.  strict posix
/bin/sh + awk + sed would be nicest, but if that's too much work perl
seems reasonable.

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