From: Michael Olbrich <m.olbrich@pengutronix.de>
To: ptxdist@pengutronix.de
Subject: Re: [ptxdist] [PATCH] rules/kernel: switch to xz compression
Date: Wed, 11 Apr 2012 20:49:13 +0200 [thread overview]
Message-ID: <20120411184913.GM32294@pengutronix.de> (raw)
In-Reply-To: <4F8189DB.3030502@biessmann.de>
On Sun, Apr 08, 2012 at 02:51:39PM +0200, Andreas Bießmann wrote:
> On 08.04.12 10:45, Michael Olbrich wrote:
> > On Fri, Apr 06, 2012 at 12:55:29PM +0200, Andreas Bießmann 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 := linux-$(KERNEL_VERSION)
> >> KERNEL_MD5 := $(call remove_quotes,$(PTXCONF_KERNEL_MD5))
> >> -KERNEL_SUFFIX := tar.bz2
>
> +KERNEL_SUFFIX := tar.$(call ptx/ifdef,
> PTXCONF_KERNEL_XZ_COMPRESSION,xz,bz2)
>
> >> KERNEL_DIR := $(KERNEL_BDIR)/$(KERNEL)
> >> KERNEL_CONFIG := $(call remove_quotes, $(PTXDIST_PLATFORMCONFIGDIR)/$(PTXCONF_KERNEL_CONFIG))
> >> KERNEL_LICENSE := GPLv2
>
> would that be better for existing BDPs?
No, unless there is a real problem I prefer a clean break.
Michael
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next prev parent reply other threads:[~2012-04-11 18:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-06 10:55 Andreas Bießmann
2012-04-08 8:45 ` Michael Olbrich
2012-04-08 12:51 ` Andreas Bießmann
2012-04-11 18:49 ` Michael Olbrich [this message]
2012-04-10 11:12 ` Bernhard Walle
2012-04-11 18:48 ` Michael Olbrich
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