From 22d32bede0b0513565dc8af992919ca37eab3aa5 Mon Sep 17 00:00:00 2001
From: Peter Dave Hello <hsu@peterdavehello.org>
Date: Sun, 18 Nov 2018 16:38:36 +0800
Subject: [PATCH] [New] Enable ccache on Travis CI to speed up compilation

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

diff --git a/.travis.yml b/.travis.yml
index 8af8a2c..e032228 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ addons:
     #  - g++-4.8
 
 cache:
+  ccache: true
   directories:
     - $HOME/.npm
     - $TRAVIS_BUILD_DIR/.cache
@@ -37,6 +38,7 @@ env:
     - CXX=g++-4.8
     - CC=gcc-4.8
     - PATH="$(echo $PATH | sed 's/::/:/')"
+    - PATH="/usr/lib/ccache/:$PATH"
     - NVM_DIR="${TRAVIS_BUILD_DIR}"
   matrix:
     - MAKE_RELEASE=true