dist: trusty
sudo: required
cache:
    apt: true
language:
  - cpp
compiler:
  - gcc
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - gcc-6
      - g++-6
      - cmake
script:
  # Link gcc-6 and g++-6 to their standard commands
  - sudo ln -s /usr/bin/gcc-6 /usr/local/bin/gcc
  - sudo ln -s /usr/bin/g++-6 /usr/local/bin/g++
  # Export CC and CXX to tell cmake which compiler to use
  - export CC=/usr/bin/gcc-6
  - export CXX=/usr/bin/g++-6
  # Check versions of gcc, g++ and cmake
  - gcc -v && g++ -v && cmake --version
  # Build commands
  - cmake .
  - make
  # Run tests
  - tests/_test