.travis.yml

language: cpp
os: linux
dist: bionic

compiler:
  - gcc

before_script:
  # setup OpenCV
  # OpenCV dependencies - Details available at: http://docs.opencv.org/trunk/doc/tutorials/introduction/linux_install/linux_install.html
  - sudo apt-get install -y build-essential
  - sudo apt-get install -y cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
  - sudo apt-get install -y libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev

  - git clone https://github.com/opencv/opencv.git
  - git clone https://github.com/opencv/opencv_contrib.git
  - cd opencv

  # Create a new 'build' folder.
  - mkdir build
  - cd build

  # Set build instructions for Ubuntu distro, avoid building modules that are not needed for this project
  - cmake -D CMAKE_BUILD_TYPE=RELEASE -D BUILD_EXAMPLES=OFF -DBUILD_opencv_gapi=OFF -DBUILD_opencv_flann=OFF -DBUILD_opencv_dnn=OFF -DBUILD_opencv_calib3d=OFF -DBUILD_opencv_video=OFF -DBUILD_opencv_videoio=OFF -D BUILD_opencv_apps=OFF -D BUILD_DOCS=OFF -D BUILD_opencv_java=OFF -D BUILD_opencv_python=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_TESTS=OFF -D CMAKE_INSTALL_PREFIX=/usr/local ..

  # Run 'make' with four threads.
  - make -j4

  # Install to OS.
  - sudo make install

  # Add configuration to OpenCV to tell it where the library files are located on the file system (/usr/local/lib)
  - sudo sh -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
  - sudo ldconfig
  # run cmake; here we assume that the project's
  # top-level CMakeLists.txt is located at '..'
  - cd ../..
  - mkdir build
  - cd build
  - cmake ..


script:
  # once CMake has done its job we just build using make as usual
  - make
  # if the project uses ctest we can run the tests like this
  # - make test