From f289c596b517949be60ad945b231a1171c8be2f8 Mon Sep 17 00:00:00 2001
From: Francisco Ferreira <francisco-ferreira@mail.telepac.pt>
Date: Fri, 15 Apr 2016 02:03:18 +0100
Subject: [PATCH] travis: add cache

---
 .travis.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 32961d6eec..90bbf31c21 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,12 @@ addons:
       - clang-3.7
       - llvm-3.7
 
+cache:
+  ccache: true
+  directories:
+    - $HOME/.cache/pip
+    - $HOME/opt
+
 before_install:
   - Tools/scripts/configure-ci.sh