From 79beb52b141d32470bfbf13389fb5340a9d7f814 Mon Sep 17 00:00:00 2001
From: Shikhar Jaiswal <jaiswalshikhar87@gmail.com>
Date: Mon, 17 Jul 2017 01:51:52 +0530
Subject: [PATCH] fixes #177

---
 .travis.yml           | 3 +++
 bin/install_travis.sh | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 72fe793c2..f24fcbccd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,9 @@ compiler:
 os:
   - linux
   - osx
+cache:
+  directories:
+  - $HOME/.ccache
 sudo: false
 addons:
   apt:
diff --git a/bin/install_travis.sh b/bin/install_travis.sh
index df3a52d98..e0f123f3b 100644
--- a/bin/install_travis.sh
+++ b/bin/install_travis.sh
@@ -3,7 +3,7 @@
 # symengine's bin/install_travis.sh will install miniconda
 conda update -q -n root conda
 
-export conda_pkgs="python=${PYTHON_VERSION} pip cython nose pytest"
+export conda_pkgs="python=${PYTHON_VERSION} pip cython nose pytest ccache"
 
 if [[ "${WITH_SYMPY}" != "no" ]]; then
     export conda_pkgs="${conda_pkgs} sympy";
@@ -21,3 +21,9 @@ fi
 
 conda install -q ${conda_pkgs}
 source activate $our_install_dir;
+
+# Use ccache
+export CXX="ccache ${CXX}"
+export CC="ccache ${CC}"
+export CCACHE_DIR=$HOME/.ccache
+ccache -M 400M