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

[Michael Sharpe]

On Dec 5, 2009, at 10:43 AM, Herbert Schulz wrote:

> 
> On Dec 5, 2009, at 12:21 PM, Michael Hanson wrote:
> 
>> 
>> 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
> 
> Howdy,
> 
> One of the items in that thread said that the 64bit kernel was only the default on the XServe.
> 
> How do you tell whether the 64bit kernel is active or not and how do you activate it, if possible, on a given system? Is it really worth it? Oh... I've got a MacBook Pro 3.1.
> 

There is some useful information and a program that does this, if possible, at

http://www.ahatfullofsky.comuv.com/English/Programs/SMS/SMS.html

Michael