linux-kernel - Re: New build failures in v3.13-rc1

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Message-ID: <52910C3C.5020408@roeck-us.net>
Date:	Sat, 23 Nov 2013 12:12:44 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Anton Blanchard <anton@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Kirill Tkhai <tkhai@...dex.ru>,
	Sergei Trofimovich <slyfox@...too.org>
Subject: Re: New build failures in v3.13-rc1

On 11/23/2013 10:51 AM, Geert Uytterhoeven wrote:
> On Sat, Nov 23, 2013 at 7:40 PM, Guenter Roeck <linux@...ck-us.net> wrote:
>> drivers/tty/ehv_bytechan.c:363:1: error: type defaults to 'int' in
>> declaration of 'console_initcall' [-Werror=implicit-int]
>>
>> Not really surprising as console_initcall() is not defined for modules.
>> I am a bit at loss why this is only seen now, though.
>
> On kissb that's been seens since v3.2-rc1.
>

This used to be a warning, now it is an error.

It is a side effect / result of commit 8097047217 (Makefile: enable -Werror=implicit-int
and -Werror=strict-prototypes by default). Reverting that commit fixes
this build problem, only to uncover the problem also seen with xtensa:allmodconfig:

drivers/built-in.o: In function `as3722_i2c_probe':
drivers/mfd/as3722.c:372: undefined reference to `.devm_regmap_init_i2c'
drivers/built-in.o: In function `as3722_i2c_driver_init':
drivers/mfd/as3722.c:444: undefined reference to `.i2c_register_driver'
drivers/built-in.o: In function `as3722_i2c_driver_exit':
drivers/mfd/as3722.c:444: undefined reference to `.i2c_del_driver'

Guenter

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