[ARROW-5827] [C++] Require c-ares CMake config

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.1, 0.15.0
• Component/s: C++
• Labels: pull-request-available
• Assignee: Kouhei Sutou
• Reporter: Kouhei Sutou
• Created: 03/Jul/19 01:05
• Updated: 01/Aug/19 22:35
• Resolved: 08/Jul/19 17:40

Description

Because gRPC requires c-ares' CMake config.

Issue Links

• links to: GitHub Pull Request #4783