[MESOS-9405] Allow for optionally unbundled protobuf from CMake builds.

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.8.0
• Component/s: build, cmake
• Labels: cmake unbundled-dependencies
• Epic Link: cmake-unbundling
• Story Points: 2
• Assignee: Unassigned
• Reporter: Till Toenshoff
• Created: 20/Nov/18 01:04
• Updated: 29/Apr/19 09:27

Description

Following the example of unbundled libevent and lib archive, we should allow for unbundled protobuf if the user wishes so.