sudo: required
dist: trusty
language: cpp

# Operating system selection
os:
    - linux
    - osx
# Compiler selection
compiler:
    - clang
    - gcc

matrix:
   # Remove default jobs.
   exclude:
      - compiler: gcc
      - compiler: clang
   # Add non-default jobs.
   include:
      - compiler: gcc
        os: linux
        addons:
            apt:
                sources:
                     # add PPAs with more up-to-date toolchains
                     - ubuntu-toolchain-r-test
                     - george-edison55-precise-backports
                     - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.8 main'
                       key_url: 'http://apt.llvm.org/llvm-snapshot.gpg.key'
                packages:
                     # GCC 6
                     - gcc-6
                     - g++-6
                     # PhysFS
                     - libphysfs-dev
                     # SDL 2
                     - libsdl2-dev
                     - libsdl2-image-dev
                     - libsdl2-mixer-dev
                     - libsdl2-ttf-dev
                     # CMake (outdated)
                     - cmake-data
                     - cmake
        env:
          - MATRIX_EVAL_BEFORE_INSTALL="CC=gcc-6 && CXX=g++-6"
          - MATRIX_EVAL_BEFORE_SCRIPT="export CC=gcc-6 && export CXX=g++-6"
      - compiler: clang
        os: linux
        addons:
            apt:
                sources:
                     # add PPAs with more up-to-date toolchains
                     - ubuntu-toolchain-r-test
                     - george-edison55-precise-backports
                     - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-4.0 main'
                       key_url: 'http://apt.llvm.org/llvm-snapshot.gpg.key'
                packages:
                     # GCC 6
                     - gcc-6
                     - g++-6
                     # CLANG 4.0
                     - clang-4.0
                     - libc++-dev
                     # PhysFS
                     - libphysfs-dev
                     # SDL 2
                     - libsdl2-dev
                     - libsdl2-image-dev
                     - libsdl2-mixer-dev
                     - libsdl2-ttf-dev
                     # CMake (outdated)
                     - cmake-data
                     - cmake
        env:
          - MATRIX_EVAL_BEFORE_INSTALL="CC=clang-4.0 && CXX=clang++-4.0 && CXXFLAGS=\"-ftemplate-depth=1024 -std=c++11\""
          - MATRIX_EVAL_BEFORE_SCRIPT="export CC=clang-4.0 && CXX=clang++-4.0 && CXXFLAGS=\"-ftemplate-depth=1024 -std=c++11 -stdlib=libc++\""
      - compiler: clang
        os: osx

before_install:
- eval "${MATRIX_EVAL_BEFORE_INSTALL}"
- if [ "${TRAVIS_OS_NAME}" = "osx" ]; then 
   brew update;
   brew install sdl2;
   brew info sdl2;
   brew install sdl2_image;
   brew info sdl2_image;
   brew install sdl2_mixer;
   brew info sdl2_mixer;
   brew install sdl2_ttf;
   brew info sdl2_ttf;
   brew install physfs;
  fi
  
# Donwload CMake binaries.
install:
- DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
- mkdir -p "${DEPS_DIR}" && cd "${DEPS_DIR}"
# Download CMake 3.10.1 binary.
- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then CMAKE_BIN_URL="https://cmake.org/files/v3.10/cmake-3.10.1-Darwin-x86_64.tar.gz" ; fi
- if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then CMAKE_BIN_URL="https://cmake.org/files/v3.10/cmake-3.10.1-Linux-x86_64.tar.gz" ; fi
- |
  mkdir -p cmake-bin
  cd cmake-bin
  wget --no-check-certificate -O - -q "${CMAKE_BIN_URL}" | tar xsz --strip-components=1 -f -
  cd ..
  export PATH="${DEPS_DIR}/cmake-bin/bin:${PATH}"
  
# Invoke CMake on CMakeLists.txt. 
before_script:  
- eval "${MATRIX_EVAL_BEFORE_SCRIPT}"
- cd "${TRAVIS_BUILD_DIR}"
- cmake CMakeLists.txt

script:
- cd "${TRAVIS_BUILD_DIR}"
- make all && make check

notifications:
  webhooks:
    urls:
      - https://webhooks.gitter.im/e/bf24f1666021dc4df89a
    on_success: always  # options: [always|never|change] default: always
    on_failure: always  # options: [always|never|change] default: always
    on_start:   false   # default: false