Re: compile error on latest git m68k kernel

[Andreas Schwab <schwab@linux-m68k.org>]

Geert Uytterhoeven <geert@linux-m68k.org> writes:

> On Wed, Nov 10, 2010 at 11:02, Andreas Schwab <schwab@linux-m68k.org> wrote:
>> Geert Uytterhoeven <geert@linux-m68k.org> writes:
>>> On Wed, Nov 10, 2010 at 08:08, Michael Schmitz
>>> <schmitzmic@googlemail.com> wrote:
>>>> seen this before?
>>>
>>> Not this particular one...
>>>
>>>>  LD      .tmp_vmlinux1
>>>> fs/built-in.o: In function `alignfile':
>>>> binfmt_elf.c:(.text+0x307bc): undefined reference to `__divdi3'
>>>> fs/built-in.o: In function `elf_core_dump':
>>>> binfmt_elf.c:(.text+0x3139c): undefined reference to `__divdi3'
>>>> make: *** [.tmp_vmlinux1] Error 1
>>
>> Where is that called?  The right fix in most cases is to use do_div from
>> <asm/div64.h>.
>
> alignfile: roundup(*foffset, 4)
> elf_core_dump: roundup(offset, ELF_EXEC_PAGESIZE)
> (assumed it's caused by the roundup() calls, assembly output?)
>
> Both are divisions by a power-of-two, but the dividend is a (signed!) long long.

I cannot reproduce that.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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