Re: Is 64-bit PowerPC disabled on Cygwin Hosts?

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

On 06/10/17 07:23, Alan Modra wrote:

> On Fri, Oct 06, 2017 at 07:00:18AM +0200, Sebastian Huber wrote:
> > On 06/10/17 01:40, Alan Modra wrote:
> >
> > > On Thu, Oct 05, 2017 at 09:28:53AM -0500, Joel Sherrill wrote:
> > > > Does anyone have any hints on what could be going on?
> > > If you're expecting to get powerpc64 support with powerpc-*-rtems*,
> > > then you will need to add --enable-64-bit-bfd on a 32-bit host.
> > Wouldn't it make sense to enable this option by default if you build cross
> > tools?
> No, if you are hosting on a 32-bit machine for a 32-bit target, why
> should you pay the penalty of calculating addresses, relocs etc. using
> 64-bit arithmetic?  Your compiler might not even support long long, or
> if it does, the support might have bugs.

For native tools I completely agree with this point of view, but for 
cross tools I think the situation is different. If you have a broken 
compiler, then you can still use --disable-64-bit-bfd.

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Sebastian Huber, embedded brains GmbH

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