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

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Message-Id: <200705030043.49208.mail@earthworm.de>
Date:	Thu, 3 May 2007 00:43:43 +0200
From:	Christian Hesse <mail@...thworm.de>
To:	linux-kernel@...r.kernel.org
Cc:	James Ketrenos <jketreno@...ux.intel.com>
Subject: build system: no module target ending with slash?

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?
-- 
Regards,
Chris

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