[OS X TeX] 64-bit binaries in TeXLive 2010

[Michael Hanson]

On Dec 5, 2009, at 12:46 PM, Adam R. Maxwell wrote:

>> ioreg -l -p IODeviceTree | grep firmware-abi
>>
>> If you see "EFI64", then your Mac supports the 64-bit kernel;  
>> otherwise it does not.  Again, any Mac with a 64-bit processor  
>> should still be able to run 64-bit applications under OS X 10.5 or  
>> 10.6, regardless of whether the kernel is 32- or 64-bit.
>
> My MacBook Pro has EFI64, but won't boot the 64-bit kernel.  This  
> doesn't bother me, but it confuses the issue a bit more.
>
> http://lists.apple.com/archives/darwin-dev/2009/Aug/msg00217.html


Thanks for that refinement.  Apparently a necessary but not sufficient  
condition...?

Best,
Mike