def __cpu_arch(self):
        """Based on the CPU architecture, set values accordingly.  A user
           specified value overrides any defaults."""

        if not self.__archlabel:
            if hpccm.config.g_cpu_arch == cpu_arch.AARCH64:
                self.__archlabel = 'arm64-sbsa'
            elif hpccm.config.g_cpu_arch == cpu_arch.X86_64:
                self.__archlabel = 'x86_64'
            else: # pragma: no cover
                raise RuntimeError('Unknown CPU architecture')
Based on the CPU architecture, set values accordingly.  A user
           specified value overrides any defaults.
hpccm/building_blocks/doca_ofed.py