From 4a01dbdb06c2712cdee348fede60f4ad7c86cd94 Mon Sep 17 00:00:00 2001
From: John Hood <cgull@glup.org>
Date: Thu, 24 Sep 2015 12:44:25 -0400
Subject: [PATCH] .travis.yml:  add OS X build, APT caching

---
 .travis.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 96f4cc9..c153184 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,10 @@
+os:
+  - linux
+  - osx
+
+cache:
+  - apt
+
 language: cpp
 sudo: required
 services: docker
@@ -10,6 +17,9 @@ addons:
     - libutempter-dev
 
 before_install:
+  - if test "$TRAVIS_OS_NAME" = osx; then brew update; fi
+  - if test "$TRAVIS_OS_NAME" = osx; then brew install protobuf tmux; fi
+  - if test "$TRAVIS_OS_NAME" = osx; then brew outdated protobuf tmux || brew upgrade protobuf tmux; fi
   - git fetch --tags --unshallow
 
 script: