Re: [Qemu-devel] [PATCH] Fix char signedness

[Rob Landley]

On Friday 27 October 2006 7:09 pm, Paul Brook wrote:
> > > > It has been a really long time I have been working on a broken system
> > > > that did not default to "signed".
> > >
> > > The only thing that is broken is your knowlege of C.
> >
> > Okay.
> >
> > And what system did you encounter this behaviour on?
> 
> Common arm, ppc, s390 and mips systems all have default char as unsigned.
> As do a few other less common embedded systems.

BusyBox added "-funsigned-char" to our build to get consistent behavior.  (I 
picked unsigned because that way we were automatically 8-bit clean in things 
like sed.)

(I note that tcc doesn't work right if built with -funsigned-char, so I 
wouldn't be too surprised if qemu had the same problem.)  In both cases, 
specifying -fsigned-char in the build should fix it.

> Paul

Rob
-- 
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery