64 bit DMD binary on the Mac

[Jacob Carlborg]

On 2011-06-29 18:59, Russel Winder wrote:
> On Wed, 2011-06-29 at 08:54 -0700, Sean Kelly wrote:
>> I think the original Core 2 Duo was 32-bit. People still use these at work, but they're getting rather long in the tooth. Most of them have failed already (mine did).
>
> Core Duo was 32-bit, Core 2 Duo was 64-bit. (*)
>
>> Sent from my iPhone
>>
>> On Jun 28, 2011, at 3:27 PM, Walter Bright<newshound2 at digitalmars.com>  wrote:
>>
>>> On 6/28/2011 3:22 PM, Nick Sabalausky wrote:
>>>> OTOH, It seems to be pretty typical, standard, accepted practice in the
>>>> Apple world for older machines to get abandoned *very* quickly, so maybe
>>>> 32-bit is already needless on Mac?
>>>
>>> Are there any 32 bit x86 Mac machines? My several-years-old mac mini is 64 bits.
>
> (*) But just because you have a 64-bit processor doesn't mean you can
> run a 64-bit OS.  Mac OS X selects whether to be 32-bit or 64-bit not on
> the word width processor, but on the word width of the boot PROM.  So my
> Core Duo Mac Mini is happily 32-bit, but my Core 2 Duo MacBook has a
> hell of a time since Mac OS X says 32-bit and the processor says 64-bit.
> One can only assume Apple assume that anything over 3 years old is
> broken and already disposed of to be replaced by a new Apple product.
> Rant elided.  I'll stick with Debian Testing for most of my work.

Yes exactly. Actually very few macs, what I've heard, run the kernel in 
64bit.

-- 
/Jacob Carlborg