-fsigned-char on all arches

[Will Newton]

On 4/13/07, Dave Dodge <dododge at dododge.net> wrote:
> On Fri, Apr 13, 2007 at 12:29:53PM +0100, Will Newton wrote:
> > Is there a reason why signed char has been made the default rather
> > than unsigned char? Because i386 is signed?
>
> I assume it's just following the System V ABI for i386, which states
> that plain char corresponds to a signed byte.  This choice probably
> dates back to Xenix in the mid 1980s.

The uClibc build process unconditionally passes gcc -fsigned-char on
all architectures. I don't think it's the correct choice and will lead
to suboptimal code generation on some platforms. I fail to see what
relevance the System V ABI for i386 has to this discussion.