Re: Reg. endianity, 32/64-bit and GCC macros.

["Carlos O'Donell" <carlos@systemhalted.org>]

On 1/22/07, Kumar Appaiah <akumar@ee.iitm.ac.in> wrote:
> I am the maintainer for thre new package libitpp (source), a C++
> library with functions for mathematical operations and signal
> processing. Now, the problem is that it doesn't build on HP PA-RISC,
> refer http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=407984
>
> Now, I have contacted upstream, and they want to know the
> following. I've tried to do some finding out, but please confirm:
>
> 1. Confirm endianity: I guess it is big endian, right?
> 2. Confirm 32/64-bit: It is 64-bit, right?
> 3. Is __hppa__ a sufficient macro to confirm this platform on GCC?

1. hppa-linux is a big-endian target.
2. hppa-linux only supports a 32-bit userspace.
3. You can use "__hppa__" to determine you are compiling for hppa-linux.

Thanks!

Cheers,
Carlos.