[cctbxbb] build problem on ubuntu 12.04

[James Stroud]

On Jun 11, 2013, at 3:41 PM, Nathaniel Echols wrote:
> Okay, I've added the sys.maxsize check if the call to
> platform.architecture() doesn't work.  The only issue with this is
> that sys.maxsize wasn't introduced until Python 2.6, so we can't use
> it by default yet.
> 
> -Nat

The top answer here

http://stackoverflow.com/questions/1405913/how-do-i-determine-if-my-python-shell-is-executing-in-32bit-or-64bit-mode-on-os

gets around the python 2.6 dependency.

In a nutshell:

import struct
nbits = 8 * struct.calcsize("P")


James