.travis.yml

# After changing this file, check it on:
#   http://lint.travis-ci.org/

os:         linux
language:   python

python:
    - 2.7
    - 3.6

env:
    matrix:
        - TRAVIS_CK_CXX_COMPILER=llvm
        - TRAVIS_CK_CXX_COMPILER=gcc

matrix:
    include:
        - os: osx
          language: generic
          python:   2.7
          env:      TRAVIS_CK_CXX_COMPILER=llvm WANTED_PYTHON_VERSION=2.7
        - os: osx
          language: generic
          python:   3.7
          env:      TRAVIS_CK_CXX_COMPILER=llvm WANTED_PYTHON_VERSION=3.7
# Too slow installing (building) gcc or llvm
#        - os: osx
#          osx_image: xcode9.2
#          language: generic
#          python:   3.7
#          env:      TRAVIS_CK_CXX_COMPILER=gcc  WANTED_PYTHON_VERSION=3.7

before_install:
    - |
        if [ $TRAVIS_OS_NAME == "osx" ]; then
            brew update                                                         # this swaps python versions and makes 3 the default one

            if [ "$WANTED_PYTHON_VERSION" == "2.7" ]; then
                brew reinstall python\@2 || brew link --overwrite python\@2     # install and link python2 and pip2 to /usr/local/bin
                export PATH=/usr/local/opt/python\@2/bin:$PATH
                export PYTHON_EXE=python
            else
                brew reinstall python                                           # install and link python3 and pip3 to /usr/local/bin
                export PATH=/usr/local/opt/python/bin:$PATH
                export PYTHON_EXE=python3
            fi

            if [ "$TRAVIS_CK_CXX_COMPILER" == "llvm" ]; then
                brew install llvm\@5
                export TRAVIS_CK_COMPILER_CHOICE="Version 5"
            elif [ "$TRAVIS_CK_CXX_COMPILER" == "gcc" ]; then
                brew install gcc\@8 || brew link --overwrite gcc\@8             # to avoid symlink conflict with oclint
                export TRAVIS_CK_COMPILER_CHOICE="Version 8"
            fi

            export CK_PLATFORM_NAME="generic-macos "                            # used later by CK
        else
            sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
            sudo apt-get update -qq
            sudo apt-get install -qq g++-6
            sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 90
            sudo apt-get install python-pip
            export WANTED_PYTHON_VERSION=$TRAVIS_PYTHON_VERSION                 # since Python is supported in Linux, get it from Travis
            export CK_PLATFORM_NAME="generic-linux "                            # used later by CK (note the trailing space to make the choice unique)
            export PYTHON_EXE=python
        fi

install:
    - CWD=`pwd`
    - THIS_REPO_NAME=`basename $CWD`
    - echo "TRAVIS_OS_NAME=${TRAVIS_OS_NAME}, WANTED_PYTHON_VERSION=${WANTED_PYTHON_VERSION}, TRAVIS_CK_CXX_COMPILER=${TRAVIS_CK_CXX_COMPILER}"
    - echo "CWD=${CWD}, THIS_REPO_NAME=${THIS_REPO_NAME}, PATH=${PATH}"
    - which ${PYTHON_EXE}
    - ${PYTHON_EXE} --version
    - rm -f `which pip`                                                         # the file is removable, but not writeable
    - ${PYTHON_EXE} -m pip install --ignore-installed --verbose pip setuptools  # make sure pip is also up to date no matter what
    - ${PYTHON_EXE} -m pip install -r requirements.txt                          # ck kernel itself and some essential components
    - ck pull repo:${THIS_REPO_NAME}                                            # ...also trigger pulling dependent repositories
    - echo "$CK_PLATFORM_NAME" | ck detect platform.os --update_platform_init   # set the platform to generic-linux (1) or generic-macos (2)
    -       ck detect soft:compiler.python --full_path=`which ${PYTHON_EXE}`    # pick the one Travis has set for us in the PATH
    -       ck install package --tags=lib,python-package,scipy                  # install one Python package
    - echo | ck detect soft:compiler.${TRAVIS_CK_CXX_COMPILER} --default_selection="$TRAVIS_CK_COMPILER_CHOICE" --first_match  # force detection of a specific C/C++ compiler version
    -       ck install package:lib-lmdb-master-universal                        # install one C/C++ package

script:
    - ck show env                                                               # show everything that has been detected or installed