[PATCH] unify all common build system parts

[Artem Bityutskiy]

On Wed, 2008-12-10 at 16:28 -0500, Mike Frysinger wrote:
> Rather than duplicating the same thing over and over in every Makefile, move
> it all to common.mk.
> 
> Other things fixed here:
>  - doing subdirs in parallel
>  - fix src!=build compiling in subdirs
> 
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>

I'm sorry, but frankly, I am very bad in Makefile stuff, so I cannot
really review your patch. So let's hope other people do this and wait a
little. If they do not, I'll try to do what I can later.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)