Re: [PATCH v3 1/9] string: introduce memweight

[Akinobu Mita <akinobu.mita@xxxxxxxxx>]

2012/6/21 Tony Luck <tony.luck@xxxxxxxxx>:
> On Fri, Jun 8, 2012 at 5:50 PM, Akinobu Mita <akinobu.mita@xxxxxxxxx> wrote:
>>  lib/string.c           |   36 ++++++++++++++++++++++++++++++++++++
>
> Is lib/string.c the right place for this?  I get a build error on the
> ia64 sim_defconfig:
>
>  LD      arch/ia64/hp/sim/boot/bootloader
>
> It fails because it pulls in lib/lib.a(string.o) to get some
> innocuous function like strcpy() ... but it also gets
> given memweight() which relies on __bitmap_weight()
> which it doesn't have, because it doesn't include lib/built-in.o
> (which is where bitmap.o, the definer of __bitmap_weight(), has
> been linked).
>
> Moving memweight() to lib/bitmap.c fixes the problem. But it
> isn't really clear that it belongs there either.  Perhaps it should
> be its own file lib/memweight.c that gets included in lib/lib.a?

I'll fix it by making lib/memweight.c as you suggested.
Thanks for your report and suggestion.
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