From 6af3f13a1db71a84fdc9ef8d0eb2af3cb4530a29 Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Fri, 17 Apr 2015 22:27:36 -0400
Subject: [PATCH] travis-ci enable ccache

---
 .travis.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 125ce4c09c..d0d7254ce8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,6 +41,13 @@ before_script:
   - if grep -Fxq "$exportline" ~/.profile; then echo nothing to do ; else echo $exportline >> ~/.profile; fi
   - . ~/.profile
   - popd
+# setup ccache
+  - mkdir -p ~/bin
+  - ln -s /usr/bin/ccache ~/bin/arm-none-eabi-g++
+  - ln -s /usr/bin/ccache ~/bin/arm-none-eabi-gcc
+  - ln -s /usr/bin/ccache ~/bin/g++-4.8
+  - ln -s /usr/bin/ccache ~/bin/gcc-4.8
+  - export PATH=~/bin:$PATH
 
 git:
   depth: 500
@@ -59,6 +66,7 @@ env:
     - BUILD_URI=https://px4-travis.s3.amazonaws.com/archives/Firmware/$TRAVIS_BRANCH/$TRAVIS_BUILD_ID/Firmware.zip
 
 script:
+  - ccache -z
   - arm-none-eabi-gcc --version
   - echo 'Running Tests..' && echo -en 'travis_fold:start:script.1\\r'
   - make tests
@@ -66,9 +74,11 @@ script:
   - echo -en 'travis_fold:end:script.1\\r'
   - echo 'Building NuttX..' && echo -en 'travis_fold:start:script.2\\r'
   - make archives
+  - ccache -s
   - echo -en 'travis_fold:end:script.2\\r'
   - echo 'Building Firmware..' && echo -en 'travis_fold:start:script.3\\r'
   - make -j6
+  - ccache -s
   - echo -en 'travis_fold:end:script.3\\r'
   - zip Firmware.zip Images/*.px4