[ARROW-4017] [C++] Check and update vendored libraries

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11.1
• Fix Version/s: 0.12.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20619
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 13/Dec/18 11:16
• Updated: 11/Jan/23 07:31
• Resolved: 17/Dec/18 16:08

Description

Some vendored libraries, like util::variant, seem old. Also, perhaps we should put them all in a vendored/ directory, to make inspection easier?

Issue Links

• links to: GitHub Pull Request #3184