linux-kernel - Re: Faster way to run through building single modules

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Message-ID: <20080210195540.GE13733@uranus.ravnborg.org>
Date:	Sun, 10 Feb 2008 20:55:40 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Faster way to run through building single modules

On Sun, Feb 10, 2008 at 08:38:19PM +0100, Jan Engelhardt wrote:
> 
> On Feb 10 2008 20:28, Sam Ravnborg wrote:
> >On Sun, Feb 10, 2008 at 07:51:29PM +0100, Jan Engelhardt wrote:
> >> 
> >> I was wondering whether there is a shortcut in kbuild I can take if I 
> >> just want to rebuild one module. Currently, I have:
> >> 
> >> make net/bridge/netfilter/ebtables.ko
> >
> >Fool kbuild to think this is an external module using:
> >make M=`pwd` net/bridge/netfilter/ebtables.ko
> >
> >That should do the trick.
> 
> How would I combine that with O=? Not quite doing the right thing yet.

O=tells where to find the kernel output files.
We do not have a possibility to do so for external
modules - so they will alwys build in same dir as the source.

Bad luck :-(

	Sam
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