machine:
  timezone:
    America/Los_Angeles

dependencies:
  pre:
    - sudo apt-get update; \
      sudo apt-get install gcc-5 \
      sudo apt-get install g++-5

test:
  pre:
    - make

  post:
    - ./helloworld 

machine:
  timezone:
    America/Los_Angeles

dependencies:
  pre:
    - sudo apt-get update; sudo apt-get install gcc-5; sudo apt-get install g++-5

test:
  pre:
    - make

  post:
    - ./helloworld 

Change to a single line with semi-colon
Change to a single line with semi-colon
