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From: Tilman Schmidt <tilman@imap.cc>
To: Adrian Bunk <bunk@stusta.de>
Cc: Hansjoerg Lipp <hjlipp@web.de>,
	gigaset307x-common@lists.sourceforge.net, kkeil@suse.de,
	kai.germaschewski@gmx.de, isdn4linux@listserv.isdn4linux.de,
	linux-kernel@vger.kernel.org
Subject: Re: Kbuild problem
Date: Sat, 17 Feb 2007 19:36:54 +0100	[thread overview]
Message-ID: <45D74B46.3090602@imap.cc> (raw)
In-Reply-To: <20070217105203.GR13958@stusta.de>

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Am 17.02.2007 11:52 schrieb Adrian Bunk:
> On Sat, Feb 17, 2007 at 01:04:33AM +0100, Tilman Schmidt wrote:
>> [...] I'd prefer a
>> Makefile which builds modular usb_gigaset.ko and/or ser_gigaset.ko
>> like the present one (including asyncdata.o), but when linking
>> usb-gigaset.o and ser-gigaset.o into the kernel includes asyncdata.o
>> only once. Trouble is, I don't know how to express that in Kbuild.
>>
>> Any ideas?
> 
> CONFIG_GIGASET_M105=y, CONFIG_GIGASET_M101=m and similar problems might 
> make this quite tricky.

I am no judge of that. All I know about the possibilities of Kbuild
is what the files in Documentation/kbuild tell me. From browsing
through other kernel Makefiles it would appear that there are more
possibilities though, such as if/then/else constructs.

> Shared functionality simply doesn't belong into any of the affected 
> modules, but to a different place where all users can access it.

Alright, then so be it. But that raises another question:
asyncdata.o is only needed for M105 and M101, not for the base
driver. How do I express in Kbuild that asyncdata.o is to be added
to gigaset-y only if CONFIG_GIGASET_M105 and CONFIG_GIGASET_M101
are not both 'n'?

Thanks,
Tilman

-- 
Tilman Schmidt                          E-Mail: tilman@imap.cc
Bonn, Germany
Diese Nachricht besteht zu 100% aus wiederverwerteten Bits.
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  reply	other threads:[~2007-02-17 18:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-15 21:56 [2.6 patch] drivers/isdn/gigaset/: build asyncdata.o into the gigaset module Adrian Bunk
2007-02-16  0:17 ` Tilman Schmidt
2007-02-16  8:33   ` Adrian Bunk
2007-02-17  0:04     ` Kbuild problem (was: [2.6 patch] drivers/isdn/gigaset/: build asyncdata.o into the gigaset module) Tilman Schmidt
2007-02-17 10:52       ` Adrian Bunk
2007-02-17 18:36         ` Tilman Schmidt [this message]
2007-02-18  5:22           ` Kbuild problem Kai Germaschewski
2007-02-18 10:40             ` Adrian Bunk
2007-02-20 13:56               ` Tilman Schmidt
2007-02-20 14:12                 ` Joerg Dorchain
2007-02-20 14:59                 ` Adrian Bunk
2007-02-20 21:55                   ` Tilman Schmidt
2007-11-01  1:39 kbuild problem Randy Dunlap
2007-11-01  5:21 ` Sam Ravnborg
2007-11-01 17:11   ` Randy Dunlap
2007-11-01 17:59     ` Sam Ravnborg

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