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Re: Should sh-*-* enable 64bit targets?
On Wed, May 24, 2006 at 07:33:03PM -0700, H. J. Lu wrote:
> On Thu, May 25, 2006 at 10:48:25AM +0930, Alan Modra wrote:
> > On Wed, May 24, 2006 at 05:58:22PM -0700, H. J. Lu wrote:
> > > sh-*-linux*)
> > > targ_defvec=bfd_elf32_shblin_vec
> > > targ_selvecs=bfd_elf32_shlin_vec
> > > -#ifdef BFD64
> > > - targ_selvecs="${targ_selvecs} bfd_elf32_sh64lin_vec bfd_elf32_sh64blin_vec bfd_elf64_sh64lin_vec bfd_elf64_sh64blin_vec"
> > > -#endif
> > > + targ64_selvecs="bfd_elf32_sh64lin_vec bfd_elf32_sh64blin_vec bfd_elf64_sh64lin_vec bfd_elf64_sh64blin_vec"
> > > ;;
> >
> > You should have set want64=true here and in the other sh cases you
> > changed to use targ64_selvecs.
>
> I am not sure what the original intention was. I assume they wanted
> to enable 64bit targets if BFD was 64bit. That is what my change does
> by setting targ64_selvecs.
#ifdef in a shell script is just a comment. So the original config.bfd
always included the 64-bit sh targets in target_selvecs. Your patch
to use targ64_selvecs changes that behaviour. Please add want64=true.
--
Alan Modra
IBM OzLabs - Linux Technology Centre