From 2f449dea0baa905ee1c871d4bef013d97b6a3370 Mon Sep 17 00:00:00 2001
From: Tom Finegan <tomfinegan@google.com>
Date: Thu, 7 Sep 2017 12:14:33 -0700
Subject: [PATCH] Add mac support to travis config.

---
 .travis.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 7122892..b07e219 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
-os: linux
+os:
+  - linux
+  - osx
 dist: trusty
+osx_image: xcode8.3
 language: cpp
 compiler:
   - clang
@@ -14,6 +17,9 @@ addons:
     - ccache
     - cmake
 
+before_install:
+  - if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then brew install ccache; fi
+
 script:
   # Output version info for compilers, cmake, and make
   - ${CC} -v