Re: randconfig build error with next-20140206, indrivers/hwmon/ltc2945.c

[Guenter Roeck]

On Thu, Feb 06, 2014 at 10:07:20AM -0500, Paul Gortmaker wrote:
> On Thu, Feb 6, 2014 at 9:07 AM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> > On 02/06/2014 05:57 AM, Jim Davis wrote:
> >>
> >> Building with the attached random configuration file,
> >>
> >> drivers/built-in.o: In function `ltc2945_set_value':
> >> ltc2945.c:(.text+0x58b1ad): undefined reference to `__udivdi3'
> >> ltc2945.c:(.text+0x58b1cc): undefined reference to `__udivdi3'
> >> ltc2945.c:(.text+0x58b1dd): undefined reference to `__udivdi3'
> >> ltc2945.c:(.text+0x58b1fb): undefined reference to `__udivdi3'
> >> make: *** [vmlinux] Error 1
> >>
> >
> > I really love those auto-builders :-)
> >
> > Should be fixed in the next version of -next.
> 
> Looks like the same problem cropped up in mips allmodconfig, but
> w/o the nice pointer to the line number in the source...
> 
>   CC [M]  lib/notifier-error-inject.o
>   CC [M]  lib/pm-notifier-error-inject.o
> ERROR: "__udivdi3" [drivers/hwmon/ltc2945.ko] undefined!
> make[2]: *** [__modpost] Error 1
> make[1]: *** [modules] Error 2
> make: *** [sub-make] Error 2
> 

Yeah, having 64 bit divides in 32 bit builds just isn't a good idea.

Something is wrong with my auto-build scripts ... they should catch
that kind of problem before it hits -next. I'll need to get that fixed.

Guenter
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