Re: host endianness

[Iain Hibbert <plunky%rya-online.net@localhost>]

On Sun, 7 Feb 2010, Iain Hibbert wrote:

> Hi,
>
> (think this might be toolchain related, flame away if not :)
>
> In the native build of pcc(1), we use a pre-generated config.h which
> contains HOST_(BIG|LITTLE)_ENDIAN and TARGET_(BIG|LITTLE)_ENDIAN
> definitions which should really be provided at build time. I found
> <bsd.endian.mk> which supplies TARGET_ENDIANNESS but nothing about the
> host.
>
> Is it ok to add the test below so I can supply the HOST_*_ENDIAN symbol to
> the pcc build as appropriate? Its basically a copy of the
> MACHINE_ARCH/TARGET_ENDIANNESS test already there..

Hm, except that test doesn't actually work.. seems that HOST_ARCH is
actually _HOST_ARCH and it's not always set.

any other suggestions to get the host endianness at build time?

iain