language: cpp

dist: trusty
sudo: required

matrix:
  include:
    # works on Precise and Trusty
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - automake
            - bash
            - build-essential
            - cmake
            - ctags
            - curl
            - doxygen
            - gcc-4.9
            - gcc-7
            - g++-4.9
            - gdb
            - git
            - gperf
            - perl
            - libx11-dev

      env:
         - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"

# Compiler
compiler:
  - clang
  - gcc

before_install:
 - eval "${MATRIX_EVAL}"

install:
 - make

script:

after_failure:
  - echo "success"

after_success:
  - echo "failure"