Message-ID: <4ACF977B.7060104@msgid.tls.msk.ru>
Date: Sat, 10 Oct 2009 00:05:15 +0400
From: Michael Tokarev <mjt@tls.msk.ru>
Organization: Telecom Service, JSC
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To: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: wrong final bzImage build (regading #14270)
References: <4ACF460E.7000901@msgid.tls.msk.ru> <20091009145825.GE5311@lenovo> <4ACF9184.9040104@msgid.tls.msk.ru>
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Michael Tokarev wrote:
> Ok, some more to this.
> 
> It turns out dash's built-in echo command interprets \nnn octal
> sequences by default, and there's no way to turn that off.  So,
> for example, sed-zoffset command from arch/x86/boot/Makefile
> (which includes \1 \2 etc substitutions for sed), when echoed
> in verbose mode (V=1), produces.. interesting characters (with
> ascii code 1 and 2).
> 
> It's not practival to replace V=1's echo with /bin/echo I think.
> 
> So I'd say it's not a bug in the build system after all, but
> a bug in dash.  Well, at least this expanding-by-default didn't
> trigger another very-difficult-to-find bug (hopefully), but it
> has good potential.
> 
> I'll file a bug report against dash.

For reference: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550399

> /mjt

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