ref: c69cc4ce1f384827d0a0aef349b9c6396b07014f
parent: 3e04114f3d6d1bc746a376f375dc18c5a941e5aa
parent: 0dfede2e7937586fff529916dc2ea0a93dc5b669
author: James Bankoski <jimbankoski@google.com>
date: Mon Jul 18 20:57:45 EDT 2016
Merge "configure: turn on all unused warnings by default"