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SubjectRe: lib/string.h build failure in linux-next
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On Tue, Mar 6, 2012 at 2:55 PM, Paul Gortmaker
<paul.gortmaker@windriver.com> wrote:
> On Tue, Mar 6, 2012 at 11:16 AM, Mark Salter <msalter@redhat.com> wrote:
>> On Tue, 2012-03-06 at 16:02 +0000, Arnd Bergmann wrote:
>>> On Tuesday 06 March 2012, Mark Salter wrote:
>>> > I'm seeing a build failure in lib/string.h in linux-next:
>>> >
>>> > /es/linux/linux-next/lib/string.c: In function 'strlcat':
>>> > /es/linux/linux-next/lib/string.c:225:2: error: implicit declaration of function 'printk'
>>> > /es/linux/linux-next/lib/string.c:225:2: error: implicit declaration of function 'panic'
>>> >
>>> > Commit e2950c2b6ecb928bfd3a13dd237df1f29f712704 removed an include of
>>> > linux/module.h which triggered the problem for arch/c6x and probably
>>> > other architectures using the asm-generic BUG macro.
>>> >
>>> > I think this needs fixing in asm-generic/bug.h which should include
>>> > linux/kernel.h for panic and linux/printk.h for printk.
>>>
>>> I think you cannot do that as long as linux/kernel.h includes asm/bug.h,
>>> or you will get a lot of other build failures.
>>
>> It didn't for my build, but to tell the truth, I really wasn't too keen
>> on adding an include of kernel.h to asm/bug.h since kernel.h pulls in so
>> much other stuff.
>>
>>>
>>> The safer option is probably to add the two missing headers separately
>>> to string.c.
>>
>> Okay, I can put together a patch that does that.
>
> I can deal with this, since it is interaction between my bug commits and my
> module commits that trigger it.  Can you tell me what config you are using, so
> I can double check I have it sorted properly?

Never mind the config. I missed the arch/c6x initially. I've got a
c6x toolchain
now and can reproduce it with the dsk6455_defconfig. Will be fixed for this
evening's linux-next.

Thanks for the report.
Paul.


> Thanks.
> Paul.
>
>>
>> --Mark
>>
>>
>> --
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