The naming is more than a little confusing. AIUI, in Ubuntu's terminology, the
`powerpc` packages are for 32-bit machines, the `ppc64-powerpc` packages are for
Big Endian 64-bit machines, and the `ppc64el` packages are for Little Endian
64-bit machines.
Everyone seems to have agreed that the long-term answer for 64-bit PowerPC is
Little Endian (Debian maintains an unofficial BE port, but Canonical/Ubuntu,
RedHat, and SUSE all seem to have standardized on LE).
For maximal confusion, the appropriate triple's first component is, however,
`powerpc64le`.
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