linux-kernel - Re: possible build system oddity

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Date:	Fri, 31 Aug 2007 11:00:27 -0400
From:	Valdis.Kletnieks@...edu
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Oliver Neukum <oliver@...kum.org>, linux-kernel@...r.kernel.org
Subject: Re: possible build system oddity

On Fri, 31 Aug 2007 10:42:29 +0200, Adrian Bunk said:
> On Fri, Aug 31, 2007 at 10:37:28AM +0200, Oliver Neukum wrote:
> > Hi,
> > 
> > I only touched sound/usb/usbaudio.c
> > Nevertheless the whole subtree und sound/ is recompiling. What's
> > happening?
> 
> The only file that gets compiled (CC) should be sound/usb/usbaudio.c
> 
> It seems you are confused by the fact that this recompilation results in 
> several relinks (LD)?

Or something else changed that he didn't realize.  Just the other day, I
applied a one-line patch that hit one .c file, and *the entire kernel*
started rebuilding.

Took me a while to figure out that I'd been looking for something else, and
done a 'vi Makefile' in the top level, and exited with 'ZZ' rather than ':q' ;)


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