From mboxrd@z Thu Jan  1 00:00:00 1970
From: horserivers@gmail.com (horseriver)
Date: Mon, 14 Jan 2013 15:23:28 +0800
Subject: where is the build rule for kernel's subdirs?
In-Reply-To: <50F43339.4040701@infradead.org>
References: <20130114043314.GA3968@debian.localdomain>
	<50F43339.4040701@infradead.org>
Message-ID: <20130114072328.GD4289@debian.localdomain>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On Mon, Jan 14, 2013 at 08:32:57AM -0800, Randy Dunlap wrote:
> On 01/13/13 20:33, horseriver wrote:
> > hi:
> > 
> >    How does   kbuild   build objects for subdirs of kernel source ? 
> 
> It goes into subdirs recursively.
> 
> 
> From top-level Makefile:
> 
> # Objects we will link into vmlinux / subdirs we need to visit
> init-y		:= init/
> drivers-y	:= drivers/ sound/ firmware/
> net-y		:= net/
> libs-y		:= lib/
> core-y		:= usr/
> 
> 
> Then each subdir's Makefile has its own rules.

  I do not think so !

  every makefile in these subdirs only have defined obj files ,but not contained build rules .

  Thanks!
> 
> -- 
> ~Randy