From fd7d35464bb39df917d4a2f3503892092889f375 Mon Sep 17 00:00:00 2001
From: "Jonathan B. Coe" <jbcoe@me.com>
Date: Sat, 24 Sep 2016 19:38:43 +0100
Subject: [PATCH] quick fix for failing travis builds on os x

---
 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index b54f9d52..675507d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -149,7 +149,8 @@ install:
       mkdir cmake && travis_retry wget --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
       export PATH=${DEPS_DIR}/cmake/bin:${PATH}
     elif [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
-      brew install cmake ccache
+      which cmake || brew install cmake 
+      which ccache || brew install ccache
     fi
 
 before_script: