[ARROW-5789] [C++] Small Warning/Linkage cleanups

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22210
• Assignee: Micah Kornfield
• Reporter: Micah Kornfield
• Created: 29/Jun/19 13:12
• Updated: 11/Jan/23 07:42
• Resolved: 04/Jul/19 08:06

Description

• Cleanup some unused warning generated on MacOS, when asserts are turned off
• Change linkage of ubsan.h nullptr replacement from from internal to external (actually build ubsan.cc). An alternative would be to delete ubsan.cc

Issue Links

• is duplicated by: ARROW-5840 [C++][OSX] Unused variable warning in python/common.h in release mode
• links to: GitHub Pull Request #4750