[patch] Find if we are big endian at compile time

[Joerg Sonnenberger]

On Sun, Apr 14, 2013 at 12:43:33PM -0400, Rafael Espíndola wrote:
> > Only for Linux. For the BSDs it is either machine/endian.h or
> > sys/endian.h.
> 
> Looks like machine/endian.h works on free, net and open. A new patch
> is attached.

sys/endian.h is the prefered public interface, but I forgot if there is
any version we should care about that doesn't have it. I'd go as far as
just using that one and see if anyone complains.

Joerg