build system: no module target ending with slash?

[Christian Hesse <mail@earthworm.de>]

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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