linux-kernel - Re: m68k allmodconfig build errors

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Date:   Mon, 23 Jul 2018 18:52:27 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andreas Schwab <schwab@...ux-m68k.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org
Subject: Re: m68k allmodconfig build errors

On 07/20/2018 12:20 AM, Andreas Schwab wrote:
> On Jul 19 2018, Randy Dunlap <rdunlap@...radead.org> wrote:
> 
>> block/partitions/ldm.o: In function `ldm_partition':
>> ldm.c:(.text+0x1900): undefined reference to `strcmp'
>> ldm.c:(.text+0x1964): undefined reference to `strcmp'
>> drivers/rtc/rtc-proc.o: In function `is_rtc_hctosys':
>> rtc-proc.c:(.text+0x290): undefined reference to `strcmp'
>> drivers/watchdog/watchdog_pretimeout.o: In function `watchdog_register_governor':
>> (.text+0x142): undefined reference to `strcmp'
> 
> GCC has optimized strncmp to strcmp, but at a stage where macros are no
> longer available.  I think the right fix is to use strcmp directly,
> since strncmp doesn't make sense here.

Hi Andreas,

I don't see that all of these string compare fields are null-terminated.

How does one convert strncmp() users to strcmp()?

thanks,
-- 
~Randy