.travis.yml

# Copyright (c) 2017, Tom Honermann
#
# This file is distributed under the MIT License. See the accompanying file
# LICENSE.txt or http://www.opensource.org/licenses/mit-license.php for terms
# and conditions.

sudo: false
language: cpp

matrix:
  include:
    # Last known good range-v3 commit:
    - os: linux
      addons: &gcc6
        apt:
          packages:
            - g++-6
            - lcov
          sources:
            - ubuntu-toolchain-r-test
      compiler: gcc
      env: COMPILER=g++-6
           BUILD_TYPE=RELEASE
           LAST_KNOWN_GOOD_RANGE_V3=e07976393f8811d06c14cebed111005462a4b98c

    # Linux, gcc 6:
    - os: linux
      addons: *gcc6
      compiler: gcc
      env: COMPILER=g++-6 BUILD_TYPE=RELEASE
    - os: linux
      addons: *gcc6
      compiler: gcc
      env: COMPILER=g++-6 BUILD_TYPE=DEBUG
    - os: linux
      addons: *gcc6
      compiler: gcc
      env: COMPILER=g++-6 BUILD_TYPE=DEBUG GCOV=true

    # Linux, clang 3.6:
    - os: linux
      addons: &clang36
        apt:
          packages:
            - clang-3.6
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.6
      compiler: clang
      env: COMPILER=clang++-3.6 BUILD_TYPE=RELEASE
    - os: linux
      addons: *clang36
      compiler: clang
      env: COMPILER=clang++-3.6 BUILD_TYPE=DEBUG

    # Mac OS X, clang (default version):
    - os: osx
      compiler: clang
      env: COMPILER=clang++ BUILD_TYPE=RELEASE
    - os: osx
      compiler: clang
      env: COMPILER=clang++ BUILD_TYPE=DEBUG

cache:
  directories:
    - cache

install:
  - |
    if [ "${TRAVIS_OS_NAME}" == "linux" ]; then
      if [ "!" -x cache/cmake/bin/cmake ]; then
        CMAKE_URL="http://www.cmake.org/files/v3.5/cmake-3.5.2-Linux-x86_64.tar.gz"
        mkdir -p cache/cmake
        travis_retry wget --no-check-certificate --quiet -O - "${CMAKE_URL}" | tar --strip-components=1 -xz -C cache/cmake
      fi
      export PATH="$TRAVIS_BUILD_DIR/cache/cmake/bin:$PATH"
    elif [ "${TRAVIS_OS_NAME}" == "osx" ]; then
      if "!" brew ls --version cmake; then
        brew install cmake
      fi
    fi
  - travis_retry git clone https://github.com/ericniebler/range-v3.git range-v3
  - |
    if [ -n "$LAST_KNOWN_GOOD_RANGE_V3" ]; then
      git -C range-v3 checkout $LAST_KNOWN_GOOD_RANGE_V3
    fi
  - export RANGE_V3_INSTALL_PATH="$TRAVIS_BUILD_DIR/range-v3"

before_script:
  - uname -a
  - which cmake
  - cmake --version
  - export CXX="$COMPILER"
  - echo "CXX=$CXX"
  - which $CXX
  - $CXX --version
  - "echo \"range-v3 commit: $(git -C range-v3 rev-parse HEAD)\""

script:
  - mkdir build
  - |
    if [ -n "$GCOV" ]; then
      CXXFLAGS="-O0 --coverage -fprofile-arcs -ftest-coverage"; export CXXFLAGS
      LDFLAGS="--coverage"; export LDFLAGS
    fi
  - (cd build && cmake -DCMAKE_BUILD_TYPE="$BUILD_TYPE" ..)
  - (cd build && cmake --build . --config "$BUILD_TYPE" --target check-install)

after_success:
  - |
    if [ -n "$GCOV" ]; then
      lcov --directory . --capture --output-file coverage.info
      lcov --extract coverage.info "$PWD/*" --output-file coverage.info
      lcov --remove coverage.info "$PWD/build/*" --output-file coverage.info
      lcov --list coverage.info
      bash <(curl -s https://codecov.io/bash)
    fi