language: cpp

sudo: required
# not totally clear why this is required, but travis support recommended it
# to allow gcc-4.8 to be installed as the system gcc
services:
- docker

# need at least gcc 4.8 for -std=c++11
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - gcc-4.8
    - g++-4.8
 
script: make

compiler:
- clang
- gcc