Re: [Qemu-devel] Git head build problem (popcountl vs. system headers)

[Martin Husemann]

On Thu, Apr 25, 2013 at 06:09:36PM +0100, Richard Henderson wrote:
> On 2013-04-25 14:38, Laszlo Ersek wrote:
> >><strings.h> is the K&R header supplanted by ISO <string.h>.
> >>Is there any good reason that we're including it at all?
> >
> >- <strings.h> is a portable SUS/POSIX header:
> >
> >http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/strings.h.html
> 
> Huh.  Ok, fine, but what do we think we're using out of it that
> isn't in <string.h>?

Ok, I can fix the namespace issue (which is real) easily.
But this still leaves two questions open:

 - why not use an unsigned return value for your homegrown version?
 - would it be preferable to use official/optimized versions if
   available?

Thanks,

Martin