linux-kernel - Re: linux-next: build failure after merge of the final tree (akpm tree related)

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Message-ID: <20120913132408.GZ2608@spacedout.fries.net>
Date:	Thu, 13 Sep 2012 08:24:08 -0500
From:	David Fries <david@...es.net>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (akpm
 tree related)

On Thu, Sep 13, 2012 at 06:11:27PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the final tree, today's linux-next build (sparc64 defconfig)
> failed like this:
> 
> drivers/built-in.o: In function `rtc_hctosys':
> hctosys.c:(.init.text+0x4a98): undefined reference to `rtc_hctosys_ret'
> hctosys.c:(.init.text+0x4b54): undefined reference to `rtc_hctosys_ret'
> hctosys.c:(.init.text+0x4b58): undefined reference to `rtc_hctosys_ret'

Can you post your .config?  `grep RTC .config`
It would seem to me that drivers/rtc/hctosys.c is being compiled
without drivers/rtc/class.c which now holds the global variable, but
Kconfig says that RTC_HCTOSYS 'depends on RTC_CLASS = y'.

config RTC_HCTOSYS
	depends on RTC_HCTOSYS_DEVICE
Or, how do you depend on a string value being set?

config RTC_HCTOSYS_DEVICE
	depends on RTC_CLASS = y

> Caused by commit "rtc_sysfs_show_hctosys(): display 0 if resume failed"
> from the akpm tree.  rtc_hctosys_ret was moved into class.c but protected
> by defined(CONFIG_PM) && defined(CONFIG_RTC_HCTOSYS_DEVICE) and this
> build does not have CONFIG_PM set.
> 
> I have reverted that commit for today.
> -- 
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au



-- 
David Fries <david@...es.net>    PGP pub CB1EE8F0
http://fries.net/~david/

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