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Date: Wed, 28 Sep 2011 16:28:14 +0200
From: Georg Bauhaus <rm.dash-bauhaus@futureapps.de>
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Subject: Re: 64 bit codes
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Date: 2011-09-28T16:28:15+02:00
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On 28.09.11 14:26, Fritz Wuehler wrote:
> Georg Bauhaus <rm.dash-bauhaus@futureapps.de> wrote:
> 
>> A 32-bit GNAT works on older Macs that don't have a 64 bit CPU,
>> such as a Core Solo or Core Duo.  Good to have one.
> 
> As far as I know, all the Core Duos are 64 bit. I have several Core Duo
> boxes all running 64 bit OS. Never heard of Core Solo though.

No, the Core 2 Duos are 64 bit, the Core Duos aren't.

http://en.wikipedia.org/wiki/Intel_Core#Enhanced_Pentium_M_based


$ /opt/gnat.2009/bin/gcc
-bash: /opt/gnat.2009/bin/gcc: Bad CPU type in executable


$ file /opt/gnat.2009/bin/gcc
/opt/gnat.2009/bin/gcc: Mach-O 64-bit executable x86_64


$ system_profiler -detailLevel mini SPHardwareDataType
Hardware:

    Hardware Overview:

      Model Name: Mac mini
      Model Identifier: Macmini1,1
      Processor Name: Intel Core Duo
      Processor Speed: 1,66 GHz
      Number Of Processors: 1
      Total Number Of Cores: 2
      L2 Cache: 2 MB
      Memory: 2 GB
      Bus Speed: 667 MHz
      Boot ROM Version: MM11.0055.B08
      SMC Version (system): 1.3f4


ioreg then shows

"firmware-abi" = <"EFI32">