On 12/22/2011 06:57 PM, Michal Marek wrote:
> Dne 22.12.2011 06:58, Stephen Rothwell napsal(a):
>> Hi ,
>>
>> After merging the final tree, today's linux-next build (powerpc
>> allyesconfig) failed like this:
>>
>> drivers/net/wireless/ath/ath6kl/cfg80211.c:27:1: error: expected ')' before 'KBUILD_MODNAME'
>> drivers/net/wireless/ath/ath6kl/cfg80211.c:27:1: error: 'KBUILD_MODNAME' undeclared here (not in a function)
> [...]
>>
>> I can't figure out what goes wrong here. On the compile command line,
>> KBUILD_MODNAME is not defined, but KBUILD_BASE_NAME is.
>
> scripts/Makefile.lib says
> # Note: It's possible that one object gets potentially linked into more
> # than one module. In that case KBUILD_MODNAME will be set to foo_bar,
> # where foo and bar are the name of the modules.
>
> but reality does not match this comment:
> modname_flags = $(if $(filter 1,$(words $(modname))),\
> -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
>
> But I wonder why you need to link all the object files twice?
No particular reason. I just didn't know that it's not allowed.
> Usually, drivers have a foo_common.ko and foo_{usb,pci,whatever}.ko
that provide
> the pci/usb/whatever driver.
I have been planning to do the same for ath6kl. I just need to do a bit
of interface cleanup before I can cleanly separate the core module. I'll
start looking at that next.
Kalle
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