gcc-8 and g++-8 on ubuntu 14 for Travis CI

.travis.yml

# -Just to install gcc-8 and g++-8 on ubuntu 14-
sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt-get install gcc-8 g++-8
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 60
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 60


# -Travis script-
language: c
sudo: enabled
before_install:
  # Install gcc-! and g++-8
  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
  - sudo apt update
  - sudo apt-get install gcc-8 g++-8
  # To point to the new install
  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 60
  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 60
  # Depencies I needed to compile
  - sudo apt-get install libsdl1.2-dev libsdl-image1.2-dev libglew-dev libboost-test-dev
  # Cmake: make the buildfiles
  - cmake . -DCMAKE_BUILD_TYPE=Debug
# The tests Travis as to run
script:
  # Try to compile main program
  - make -j 2 puzzle_bots_part1
  # Try to compile the tests 
  - make -j 2 puzzle_bots_part1_test
  # Run the test
  - ./puzzle_bots_part1_test