linux-kernel - Re: build system: no module target ending with slash?

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Date:	Thu, 3 May 2007 08:15:33 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Christian Hesse <mail@...thworm.de>
Cc:	linux-kernel@...r.kernel.org,
	James Ketrenos <jketreno@...ux.intel.com>
Subject: Re: build system: no module target ending with slash?

On Thu, May 03, 2007 at 06:25:11AM +0200, Sam Ravnborg wrote:
> On Thu, May 03, 2007 at 12:43:43AM +0200, Christian Hesse wrote:
> > Hi James, hi everybody,
> > 
> > playing with iwlwifi I try to patch it into the kernel and to build it from 
> > there. But I have a problem with the build system.
> > 
> > The file drivers/net/wireless/mac80211/Makefile contains one single line:
> > 
> > obj-$(CONFIG_IWLWIFI)   += iwlwifi/
> > 
> > When CONFIG_IWLWIFI=m in scripts/Makefile.lib line 29 the target is filtered 
> > as it ends with a slash. That results in 
> > drivers/net/wireless/mac80211/built-in.o not being built and the build 
> > process breaks with an error. What is the correct way to handle this? Why are 
> > targets ending with a slash filtered?
> 
> Looks buggy. I will take a look tonight.
After some coffee...

Line 29 in Kbuild.include find all modules and a directory is not a module.
In line 26 in same file the directory iwlwifi is included in the list
of directories to visit.
So there is something else going on.

Anywhere I can get access to the combined source or could you try to post the full
Makefile.

	Sam
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