From 98f2f152539ed24cce004a14bbd1307215a925cc Mon Sep 17 00:00:00 2001
From: Herbert Thielen <thielen@hs-worms.de>
Date: Mon, 4 Sep 2017 14:06:14 +0200
Subject: [PATCH] install ccache on travis osx build slave

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

diff --git a/.travis.yml b/.travis.yml
index e5177829..b7ee780b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,8 @@ install:
 - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
 # /usr/bin/clang is 3.4, lets override with modern one.
 - if [ "$CXX" = "clang++" ] && [ "$TRAVIS_OS_NAME" = "linux" ]; then export CXX="clang++-3.7" CC="clang-3.7"; fi
+# ccache on OS X needs installation first
+- if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew install ccache; export PATH="/usr/local/opt/ccache/libexec:$PATH"; fi
 - echo ${PATH}
 - echo ${CXX}
 - ${CXX} --version