self._b2_variation['address-model'] = {
                'x86': '32', 'x86_64': '64',
                'ppc64le': '64', 'ppc64': '64', 'ppc32': '32',
                'armv5el': '32', 'armv5hf': '32',
                'armv6': '32', 'armv7': '32', 'armv7s': '32', 'armv7k': '32', 'armv7hf': '32',