linux-kernel - Re: [PATCH 1/1] makesystem: revive cscope target

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Message-ID: <493FBA3B.5010801@gmail.com>
Date:	Wed, 10 Dec 2008 13:46:51 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] makesystem: revive cscope target

On 12/10/2008 01:41 PM, Sam Ravnborg wrote:
> On Wed, Dec 10, 2008 at 01:10:13PM +0100, Jiri Slaby wrote:
>> - export src and obj, so that we can check them in tags.sh
>> - don't allow * expansion during sh function calls
> 
> What benefit does this patch give us?
> We do not use $obj neither $src in tags.sh.

I'm confused...

git kernel.org:/pub/scm/linux/kernel/git/sam/kbuild-next.git
says:
# Do not use full path is we do not use O=.. builds
if [ ${src} == ${obj} ]; then
        tree=
else
        tree=${srctree}
fi
in scripts/tags.sh.

> Likewise we do not pass it non-expanded parameters.

We do inside the script. Try to touch XYZ.S in your build tree, the tags.sh
won't work then.
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