how to install buildbot on os x 10.9 with apple llvm 5.1

install_buildbot.sh

#!/bin/bash

# from http://stackoverflow.com/questions/22313407/clang-error-unknown-argument-mno-fused-madd-python-package-installation-fa
export ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future

# from http://docs.buildbot.net/current/tutorial/firstrun.html
cd
mkdir -p tmp/buildbot
cd tmp/buildbot
virtualenv --no-site-packages sandbox
source sandbox/bin/activate
easy_install sqlalchemy==0.7.10
easy_install buildbot