From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <ptxdist-bounces@pengutronix.de>
Received: from hulk.biessmann.org ([62.75.166.25])
	by metis.ext.pengutronix.de with esmtp (Exim 4.72)
	(envelope-from <andreas@biessmann.de>) id 1SGras-0005IE-KM
	for ptxdist@pengutronix.de; Sun, 08 Apr 2012 14:51:47 +0200
Received: from p4fd49e7d.dip.t-dialin.net ([79.212.158.125]
	helo=andreas-mbp.kleinbardorf.biessmann.tld)
	by hulk.biessmann.org with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
	(Exim 4.72) (envelope-from <andreas@biessmann.de>)
	id 1SGrao-0005fA-G2
	for ptxdist@pengutronix.de; Sun, 08 Apr 2012 14:51:46 +0200
Message-ID: <4F8189DB.3030502@biessmann.de>
Date: Sun, 08 Apr 2012 14:51:39 +0200
From: =?ISO-8859-1?Q?Andreas_Bie=DFmann?= <andreas@biessmann.de>
MIME-Version: 1.0
References: <1333709729-67003-1-git-send-email-andreas@biessmann.de>
	<20120408084510.GH13585@pengutronix.de>
In-Reply-To: <20120408084510.GH13585@pengutronix.de>
Subject: Re: [ptxdist] [PATCH] rules/kernel: switch to xz compression
Reply-To: ptxdist@pengutronix.de
List-Id: PTXdist Development Mailing List <ptxdist.pengutronix.de>
List-Unsubscribe: <http://metis.pengutronix.de/cgi-bin/mailman/options/ptxdist>, 
	<mailto:ptxdist-request@pengutronix.de?subject=unsubscribe>
List-Archive: <http://metis.pengutronix.de/pipermail/ptxdist>
List-Post: <mailto:ptxdist@pengutronix.de>
List-Help: <mailto:ptxdist-request@pengutronix.de?subject=help>
List-Subscribe: <http://metis.pengutronix.de/cgi-bin/mailman/listinfo/ptxdist>, 
	<mailto:ptxdist-request@pengutronix.de?subject=subscribe>
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Sender: ptxdist-bounces@pengutronix.de
Errors-To: ptxdist-bounces@pengutronix.de
To: ptxdist@pengutronix.de

Hi Michael,

On 08.04.12 10:45, Michael Olbrich wrote:
> On Fri, Apr 06, 2012 at 12:55:29PM +0200, Andreas Bie=DFmann wrote:
>> kernel is provided since 2.6.0 with xz compression. The main aim to use =
xz
>> compression here is to save significant space for local mirrors.
>>
>> linux-3.3.tar.bz2 is about 75 MiB
>> linux-3.3.tar.xz is about 63 MiB
>>  -> saves about 15 %
> =

> True, and I like that too. However, if I apply this, all BSPs on ptxdist
> master will download a new kernel and complain about a wrong md5sum.
> But I guess, people using master should be able to deal with this.

So how about ...

>> index 336b76d..4a45a3f 100644
>> --- a/rules/kernel.make
>> +++ b/rules/kernel.make
>> @@ -31,7 +31,7 @@ endif
>>  #
>>  KERNEL			:=3D linux-$(KERNEL_VERSION)
>>  KERNEL_MD5		:=3D $(call remove_quotes,$(PTXCONF_KERNEL_MD5))
>> -KERNEL_SUFFIX		:=3D tar.bz2

+KERNEL_SUFFIX :=3D tar.$(call ptx/ifdef,
PTXCONF_KERNEL_XZ_COMPRESSION,xz,bz2)

>>  KERNEL_DIR		:=3D $(KERNEL_BDIR)/$(KERNEL)
>>  KERNEL_CONFIG		:=3D $(call remove_quotes, $(PTXDIST_PLATFORMCONFIGDIR)/=
$(PTXCONF_KERNEL_CONFIG))
>>  KERNEL_LICENSE		:=3D GPLv2

would that be better for existing BDPs?

regards

Andreas Bie=DFmann

-- =

ptxdist mailing list
ptxdist@pengutronix.de