machine:
  timezone:
    America/Los_Angeles

dependencies:
  pre:
    - sudo apt-get update; sudo apt-get install gcc-5; sudo apt-get install g++-5
    - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 100
    - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 100

test:
  pre:
    - gcc --version
    - g++ --version
    - make

  post:
    - ./helloworld 

dependencies:
  pre:
    - sudo apt-get update; sudo apt-get install gcc-5; sudo apt-get install g++-5
    - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 100
    - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 100

test:
  pre:
    - gcc --version
    - g++ --version
    - make

  post:
    - ./helloworld 

Remove machine:timezone and just use UTC.
Remove machine:timezone and just use UTC.

Using UTC as a consistent timezone will probably be best in the
long term.
