Re: [s390] next Feb 18: defconfig build break

[Mike Frysinger]

On Thu, Feb 19, 2009 at 06:40, Rusty Russell wrote:
> On Thursday 19 February 2009 12:25:13 Mike Frysinger wrote:
>> > +char *strncpy(char *dest, const char *src, size_t n);
>> >  #define strncpy __inline_strncpy
>> >  #include <asm/string.h>
>> >  #undef strncpy
>>
>> size_t is not a builtin type so there needs to be a linux/types.h
>> include right above these two prototypes.  then things build up fine
>> for me.
>
> OK, this time for sure!
>
>
> blackfin: allow usage of string functions in linux/string.h
>
> In introducing a trivial "strstarts()" function in linux/string.h, we
> hit the following error on blackfin:
>
> file included from include/linux/bitmap.h:9,
>                 from include/linux/nodemask.h:90,
>                 from include/linux/mmzone.h:17,
>                 from include/linux/gfp.h:5,
>                 from include/linux/kmod.h:23,
>                 from include/linux/module.h:14,
>                 from arch/blackfin/lib/strncmp.c:14:
> include/linux/string.h: In function 'strstarts':
> include/linux/string.h:124: error: implicit declaration of function 'strncmp'
>
> Because when including asm/string.h from arch/blackfin/lib/strncmp.c,
> we don't declare the string op we are about to define, and
> linux/string.h barfs.
>
> The fix is to declare the function whose definition we steal via the
> #define trick.  I do this for all of them, so this won't bite us in
> future.
>
> Reported-by: linux-next
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

Tested-by: Mike Frysinger <vapier@xxxxxxxxxx>
-mike
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