Merge "Detect non x86_64 machine in build script."

import argparse

import multiprocessing

import os

import platform

import shutil

import six

import subprocess

    # Make sure we get absolute path + expanded path for bootstrap directory

    args.bootstrap_dir = os.path.abspath(os.path.expanduser(args.bootstrap_dir))

    # Possible values for machine() come from 'uname -m'

    # Since this script only runs on Linux, x86_64 machines must have this value

    if platform.machine() != 'x86_64':

        raise Exception("Only x86_64 machines are currently supported by this build script.")

    if args.run_bootstrap:

        bootstrap = Bootstrap(args.bootstrap_dir, os.path.dirname(__file__))

        bootstrap.bootstrap()