dist: trusty
sudo: false

language: cpp

compiler:
  - clang
  - gcc

cache:
  apt: true

addons:
  apt:
    packages:
        - build-essential 
        - python-dev 
        - libboost-python-dev 
        - python-numpy-dev
        - libeigen3-dev

env:
  global:
    # CMAKE minimal required version 3.1.0
    - CMAKE_URL="https://cmake.org/files/v3.1/cmake-3.1.3-Linux-x86_64.tar.gz"
    - CMAKE_ROOT=${TRAVIS_BUILD_DIR}/cmake
    - CMAKE_SOURCE=${CMAKE_ROOT}/source
    - CMAKE_INSTALL=${CMAKE_ROOT}/install

before_install:
 # CMAKE most recent version
 - >
    if [ "$(ls -A ${CMAKE_INSTALL})" ]; then
      echo "CMake found in cache.";
      ls -A ${CMAKE_INSTALL}
      export PATH=${CMAKE_INSTALL}/bin:${PATH};
      cmake --version
    else
      mkdir --parent ${CMAKE_SOURCE}
      mkdir --parent ${CMAKE_INSTALL}
      ls -A ${CMAKE_INSTALL}
      travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C ${CMAKE_INSTALL}
      export PATH=${CMAKE_INSTALL}/bin:${PATH};
      cmake --version
    fi


before_script:
  - mkdir build
  - cd build
  - >
     if [ $CXX = "clang++" ]; then
        cmake .. -DBUILD_TESTS:BOOL=ON -DBUILD_PYTHON:BOOL=ON -DCMAKE_CXX_FLAGS="-Wno-deprecated-register"
     else
        cmake .. -DBUILD_TESTS:BOOL=ON -DBUILD_PYTHON:BOOL=ON
     fi

script:
  - make -j2 VERBOSE=1
  - make test

cache:
  directories:
    - $CMAKE_INSTALL