linux-kernel - Re: [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new streaming format

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Message-ID: <20130710093642.GC14873@pd.tnic>
Date:	Wed, 10 Jul 2013 11:36:42 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Kyungsik Lee <kyungsik.lee@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Marek <mmarek@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	CE Linux Developers List <celinux-dev@...ts.celinuxforum.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, hyojun.im@....com,
	chan.jeong@....com, raphael.andy.lee@...il.com,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <rmk@....linux.org.uk>,
	Florian Fainelli <florian@...nwrt.org>,
	Yann Collet <yann.collet.73@...il.com>,
	Chanho Min <chanho.min@....com>,
	Linux-Next <linux-next@...r.kernel.org>,
	"uclinux-dist-devel@...ckfin.uclinux.org" 
	<uclinux-dist-devel@...ckfin.uclinux.org>
Subject: Re: [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new
 streaming format

On Wed, Jul 10, 2013 at 10:12:46AM +0200, Geert Uytterhoeven wrote:
> >> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> >> index a0ab6d7..c9bfbb0 100644
> >> --- a/scripts/Makefile.lib
> >> +++ b/scripts/Makefile.lib
> >> @@ -313,7 +313,7 @@ cmd_lzo = (cat $(filter-out FORCE,$^) | \
> >>
> >>  quiet_cmd_lz4 = LZ4     $@
> >>  cmd_lz4 = (cat $(filter-out FORCE,$^) | \
> >> -     lz4demo -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
> >> +     lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
> >
> > You probably want to check for the presence of lz4c on the system and
> > bail with an informative message if absent.
> 
> Yep, x86_64-randconfig
> (http://kisskb.ellerman.id.au/kisskb/buildresult/9110794/):
> 
>   LZ4     arch/x86/boot/compressed/vmlinux.bin.lz4
> /bin/sh: lz4c: command not found

Sure, it had to be 2 months and to hit upstream for there still to be no
fix. Geez...

Anyone reading this and willing to try his skills with an
introductory-level patch, feel free to address this. I'll help testing
and upstreaming it.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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