linux-kernel - Re: [RFC PATCH] Add a 'minimal tree install' target

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Date:	Fri, 14 Sep 2007 12:04:31 +0200
From:	Oleg Verych <olecom@...wer.upol.cz>
To:	Chris Wedgwood <cw@...f.org>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>, davej@...hat.com,
	Eric Sandeen <sandeen@...deen.net>
Subject: Re: [RFC PATCH] Add a 'minimal tree install' target

On Thu, Sep 13, 2007 at 01:05:06PM -0700, Chris Wedgwood wrote:
> On Thu, Sep 13, 2007 at 10:17:27PM +0200, Oleg Verych wrote:
> 
> > That particular one-line `ALTARCH := i386' of course can be matched
> > simpler, because there's only *one* (as written above) whitespace and no
> > make's assignment variations,
> 
> The goal is to extract the RHS from ALTARCH := ...

printf "C=i386\n  ALTARCH =   i386
ALTARCH= i386
ALTARCH :=i386
A=i386
ALTARCH := i386
ALTARCH?=i386
" | sed -n '
/^[[:blank:]]*ALTARCH[^?]*=/{
    /[[:blank:]:]*=[[:blank:]]*i386[[:blank:]]*$/{
        s_.*_i386_;=;p;
    }
}'

Maybe this one then, to much as much valid assigments as possible :)
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