From: Rob Biedenharn <Rob@...>
Date: 2007-12-28T13:38:27+09:00
Subject: Re: testing for 64-bit environment

On Dec 27, 2007, at 11:20 PM, yermej wrote:
> On Dec 27, 9:59 pm, Tom Metge <t...@accident-prone.com> wrote:
>> in case anyone else is wondering, my solution:
>>
>> arch = `uname -i`
>>
>> tom
>>
>> On Dec 27, 2007, at 8:15 PM, Tom Metge wrote:
>>
>>> subject says it all- anyone know a way to determine if the host
>>> system is 64-bit?  i need to load a different module for different
>>> environments.
>>
>>> thanks,
>>> tom
>
> You might want to use the constant RUBY_PLATFORM for better
> portability. On our x86_64 Linux box, uname -i only returns
> AuthenticAMD with no indication that it's 64 bit. On Windows, -i isn't
> a valid option for uname.

It's not a valid option on Mac OS X either (and there's no other  
option to uname that indicates the word-size of the  CPU).

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com