Date: Fri, 14 Sep 2007 12:04:31 +0200
To: Chris Wedgwood <cw@f00f.org>
Cc: Sam Ravnborg <sam@ravnborg.org>, LKML <linux-kernel@vger.kernel.org>,
       davej@redhat.com, Eric Sandeen <sandeen@sandeen.net>
Subject: Re: [RFC PATCH] Add a 'minimal tree install' target
Message-ID: <20070914100431.GX475@flower.upol.cz>
References: <20070912232534.GA26868@puku.stupidest.org> <20070913183359.GA27146@uranus.ravnborg.org> <20070913185753.GA9259@puku.stupidest.org> <20070913191938.GD27146@uranus.ravnborg.org> <20070913201727.GW475@flower.upol.cz> <20070913200506.GA11582@puku.stupidest.org>
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From: Oleg Verych <olecom@flower.upol.cz>
Organization: Palacky University in Olomouc, experimental physics department
Sender: linux-kernel-owner@vger.kernel.org
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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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