linux-kernel - Re: tip: bzip2/lzma now in tip:x86/setup-lzma

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Date:	Mon, 05 Jan 2009 23:24:05 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jaswinder Singh Rajput <jaswinderlinux@...il.com>
CC:	Alain Knaff <alain@...ff.lu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: tip: bzip2/lzma now in tip:x86/setup-lzma

Jaswinder Singh Rajput wrote:
> On Tue, Jan 6, 2009 at 3:41 AM, H. Peter Anvin <hpa@...or.com> wrote:
>> I'm thinking that with "preferred" we might just use the first one in the
>> priority list "lzma, bzip2, gzip, uncompressed" depending on what is
>> installed in the kernel.
> 
> Only problem I faced with lzma is that, in some machines /usr/bin/lzma
> is not installed by default which leads to error in kernel
> compilations.
> 
> Can we check in kernel config that lzma is installed on machine or not.

For building the default initramfs, we'd do it in a script.  I don't 
think there is any way to check the system for configuration options, 
and I would argue that it *shouldn't* be, because it creates a
silent failure condition.

	-hpa
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