.travis.yml

dist: trusty
sudo: required
language: cpp

script:
 - (CXXFLAGS=-O3 scons -k)

matrix:
  include:
   # - os: linux
   #   addons:
   #     apt:
   #       sources:
   #         - ubuntu-toolchain-r-test
   #       packages:
   #         - g++-6
   #   install:
   #     - sudo pip install colorama
   #   env:
   #     - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"

   #    # works on Precise and Trusty
   - os: linux
     addons:
       apt:
         sources:
           - ubuntu-toolchain-r-test
         packages:
           - g++-7
     install:
       - sudo pip install colorama
     env:
       - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"

before_install:
    - eval "${MATRIX_EVAL}"