Find out if x86_64 is supported

[Jann Röšder]

I know about the platform x86_64 but it does not seem to be selected on
my new MacBook.

On the macports command line I get:
Platform: darwin 10 i386

It should be
Platform: darwin 10 x86_64

though.

Jann Röšder schrieb:
> Hi,
> for the eiffelstudio port I need a way to find out if the processor
> supports the 64bit extension. AFAIK the first intel iMacs don't have a
> 64bit CPU.
> 
> What's the best way to do this in a portfile ?
> 
> Thanks,
> Jann
>