[ELDK] char type is being interpreted as 'unsigned char'

[Douglas, Jim (Jim)]

> -----Original Message-----
> From: eldk-bounces at lists.denx.de [mailto:eldk-bounces at lists.denx.de]
> 
> In message <22F058C3ED9D784E90CE473F2A9847F0028D1CB9 at in-exchange> you
> wrote:
> >
> > I'm using 'char' data types in my program. On Redhat enterprise
> > (2.6.9-55.ELsmp / gcc 3.4.6) it is being interpreted as 'signed
char'
> > and providing a value range of -128 to +127.
> >
> > When I cross compile for ELDK 4.1/PPC 8280 (using ARCH=powerpc /
> > CROSS_COMPILE=ppc_6xx-, ppc_6xx-gcc 4.0.0), char is getting
interpreted
> > as 'unsigned char' and providing a value range of 0 - 255.
> 
> Both of this is perfectly legal.
> 
> > Is there a way I can make 'char' being interpreted as 'signed char'
on
> > this ELDK platform?
> 
> Declare your variables as "signed char" types.
> 
> 
> I have to admit that I consider code that depends on such things to be
> broken.

[Jim Douglas] 
Or: export CFLAGS=-fsigned-char

> 
> Best regards,
> 
> Wolfgang Denk
> 
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> panic: kernel trap (ignored)
> _______________________________________________
> eldk mailing list
> eldk at lists.denx.de
> http://lists.denx.de/mailman/listinfo/eldk