def build(self, shutit):
		"""Sets up the machine ready for building.
		"""
		shutit_pexpect_session = ShutItPexpectSession(shutit, 'target_child','/bin/bash')
		target_child = shutit_pexpect_session.pexpect_child
		shutit_pexpect_session.expect(shutit_global.shutit_global_object.base_prompt.strip(), timeout=10)
		self.setup_host_child(shutit)
		self.setup_target_child(shutit, target_child)
		return True
Sets up the machine ready for building.