Bro fails to build on OS X 10.11 (El Capitan) due to OpenSSL header removal

Description

It looks like Apple removed the OpenSSL headers with El Capitan[1] (OS X
10.11), and now Bro fails to build on OS X. Apple's recommendation is
that we either include a copy of OpenSSL ourselves or we use their
Secure Transport API.

[1] - <https://lists.apple.com/archives/macnetworkprog/2015/Jun/msg00025.html>

Environment

None

Assignee

Johanna Amann

Reporter

Vlad Grigorescu

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Priority

Normal
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