.travis.yml

sudo: required

language: cpp

services:
  - docker

cache: ccache

env:
  global:
    - DOCKER_CONTAINER_NAME=nikolausdemmel/ubuntu-dev-cv-gui
    - CC=/usr/bin/gcc
    - CXX=/usr/bin/g++
    - BUILD_TYPE=Release
matrix:
  include:
  - os: linux
    env: DIST_VERS=16.04 
  - os: linux
    env: DIST_VERS=16.04 CC=/usr/bin/clang-5.0 CXX=/usr/bin/clang++-5.0
  - os: linux
    env: DIST_VERS=16.04 BUILD_TYPE=Debug
  - os: linux
    env: DIST_VERS=14.04
  - os: osx

before_install:
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
  
install: |
  if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
    docker pull $DOCKER_CONTAINER_NAME:$DIST_VERS
  fi
  if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
    # upgrade python first, else linking python@2 fails (dependency of opencv@2)
    brew upgrade python
    # removing pip numpy, else installing brew numpy fails (dependency of opencv@2)
    brew install python@2
    /usr/bin/yes | pip uninstall numpy

    # upgrade already installed
    brew upgrade cmake
    # install additional dependencies
    brew install opencv@2 ccache
  fi



script: |
  if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
    docker run --name ci -it \
        -v ${TRAVIS_BUILD_DIR}:/repo \
        -v $HOME/.ccache:/root/.ccache \
        -e BUILD_TYPE -e CC -e CXX \
        $DOCKER_CONTAINER_NAME:$DIST_VERS \
        /bin/bash -c '
    export PS4='\''+ \e[33;1m($0 @ line $LINENO) \$\e[0m '\'' # quotes must be escaped
    set -e # exit on failure
    set -x # trace for debug
    mkdir build && cd build
    cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE /repo
    cmake --build .'
  fi
  if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
    mkdir build && cd build
    cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE ..
    cmake --build .
  fi


# TODO: try w/o docker, just installing from apt; compare speed.
#jobs:
#  foo: