linux-kernel - Re: how about KBUILD

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Date:	Tue, 3 Aug 2010 18:15:44 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Boaz Harrosh <openosd@...il.com>
Cc:	hacklu <embedway.linux@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: how about KBUILD_MODNAME

On Tue, Aug 03, 2010 at 12:56:59PM +0300, Boaz Harrosh wrote:
>On 08/03/2010 12:52 PM, Boaz Harrosh wrote:
>> On 08/03/2010 10:11 AM, hacklu wrote:
>>>
>>> I don't understand the macro KBUILD_MODNAME .
>>> when I compile a  driver program. It returns me "linux/pci.h:655: error: 'KBUILD_MODNAME' undeclared (first use in this function) "
>>>
>>> In the makefile I had used the "-D" options
>>>
>>> thanks a lot
>>>
>>> 2010-08-03 
>>>
>>> hacklu 
>>>
>> 
>> The KBUILD_MODNAME fails to be set when there are two drivers built from the same
>> directory. There are many directories in the source tree with more then one driver
>> but they don't use the pr_debug macro.
>> 
>> Cheers
>> Boaz
>
>Rrr it was a long time since I fought this. Maybe it's not the problem with two
>drivers in same dir, maybe it's when two drivers share the same foo.c file.
>

No, it is not, you can find many drivers under drivers/net/. ;)

And it doesn't make sense to hold two drivers in one .c file.
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