Github user ogoodman commented on the issue:
https://github.com/apache/trafficserver/pull/824
I've added some '#includes' and '#defines' to ensure that be64toh is
available on what is hopefully a superset of all supported platforms, based on
https://gist.github.com/panzi/6856583. It (the portable be64toh code) works on
Ubuntu 14.04 and Mac OS 10.11.6 at least.
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