where:
-* ``ARCH`` can be: ``i686``, ``x86_64``, ``ppc_64``
+* ``ARCH`` can be: ``i686``, ``x86_64``, ``ppc_64``, ``arm64``
-* ``MACHINE`` can be: ``native``, ``power8``
+* ``MACHINE`` can be: ``native``, ``power8``, ``armv8a``
* ``EXECENV`` can be: ``linuxapp``, ``bsdapp``