language: cpp

matrix:
  fast_finish: true
  include:
  - os: linux
    dist: bionic
    sudo: required
    compiler: gcc
    env: CERES_BUILD_TARGET=LINUX
  - os: linux
    dist: bionic
    sudo: required
    compiler: gcc
    env: CERES_BUILD_TARGET=ANDROID
  - os: osx
    osx_image: xcode11.2
    env: CERES_BUILD_TARGET=OSX
  - os: osx
    osx_image: xcode11.2
    env: CERES_BUILD_TARGET=IOS

env:
  # As per http://docs.travis-ci.com/user/languages/cpp/#OpenMP-projects don't be greedy with OpenMP.
  - OMP_NUM_THREADS=4

before_install:
  - if [ $TRAVIS_OS_NAME = linux ]; then sudo apt-get update -qq; fi
  - |
    if [[ "$CERES_BUILD_TARGET" == "ANDROID" ]]; then
      cd /tmp
      wget https://dl.google.com/android/repository/android-ndk-r20b-linux-x86_64.zip
      unzip -qq android-ndk-r20b-linux-x86_64.zip
    fi

install:
  - if [ $TRAVIS_OS_NAME = linux ]; then $TRAVIS_BUILD_DIR/travis/install_travis_linux_deps.sh; fi
  - if [ $TRAVIS_OS_NAME = osx ]; then $TRAVIS_BUILD_DIR/travis/install_travis_osx_deps.sh; fi

before_script:
  - mkdir /tmp/ceres-build
  - cd /tmp/ceres-build

script:
  # NOTE: TRAVIS_BUILD_DIR is actually the source directory for Ceres.
  - |
    if [[ "$CERES_BUILD_TARGET" == "LINUX" || "$CERES_BUILD_TARGET" == "OSX" ]]; then
      cmake $TRAVIS_BUILD_DIR
    fi
  - |
    if [[ "$CERES_BUILD_TARGET" == "ANDROID" ]]; then
      cmake -DCMAKE_TOOLCHAIN_FILE=/tmp/android-ndk-r20b/build/cmake/android.toolchain.cmake -DEigen3_DIR=/usr/lib/cmake/eigen3 -DANDROID_ABI=arm64-v8a -DANDROID_STL=c++_shared -DANDROID_NATIVE_API_LEVEL=android-29 -DMINIGLOG=ON -DBUILD_EXAMPLES=OFF $TRAVIS_BUILD_DIR
    fi
  - |
    if [[ "$CERES_BUILD_TARGET" == "IOS" ]]; then
      cmake -DCMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/iOS.cmake -DEigen3_DIR=/usr/local/share/eigen3/cmake -DIOS_PLATFORM=OS $TRAVIS_BUILD_DIR
    fi
  - make -j 4
  - |
    if [[ "$CERES_BUILD_TARGET" == "LINUX" || "$CERES_BUILD_TARGET" == "OSX" ]]; then
      sudo make install
      ctest --output-on-failure -j 4
    fi

notifications:
  email:
    - alexs.mac@gmail.com
    - sandwichmaker@gmail.com
    - keir@google.com
    - wjr@google.com