First generation Intel MacBook Pros use a Core Duo (not Core 2 Duo) chip and 
therefore can only run 32-bit code.  Earlier Intel Mac Minis are also 32-bit 
only, using Core Solo or Core Duo.

I'm writing this on one of those 32-bit only Intel MacBook Pros, so we're 
definitely out here.  I wouldn't abandon 32-bit Intel systems quite yet, unless 
you have a compelling need.

Jay O'Conor
joco...@gmail.com

-- 
All our dreams can come true, if we have the courage to pursue them.  -- Walt 
Disney



On May 6, 2010, at 12:36 PM, Patrick M. Rutkowski wrote:

> Is the "-arch i386" argument to gcc (for building for i386 as opposed
> to x86_64). My fairly new iMac, for example, seems to be x86_64. Are
> there any intel macs which really are i386, and could not run x86_64
> binaries?
> 
> -Patrick
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