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# We use generic to avoid Travis from overriding our compiler choices.
# Variables that can be set:
#
# CC - compiler name to use, e.g. clang-4.0
# BUILD_TYPE - defaults to Debug, can be Release
# CLANG_FORMAT - defaults to "no", set to name of clang-format-4.0 or better
# COVERAGE - defaults to OFF, set to ON to enable code coverage
# 
language: generic
sudo: false
matrix:
  include:
    # clang 4.0 -  we also do a clang-format check here.
    - os: linux
      dist: trusty
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-4.0
          packages:
            - colordiff
            - clang-4.0
            - clang-format-4.0
            - ninja-build
      env: CC=clang-4.0 CLANG_FORMAT=clang-format-4.0
  
    # code coverage build
    - os: linux
      dist: trusty
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-7
            - g++-7
            - ninja-build
      env: CC=gcc-7 CXX=g++-7 COVERAGE=ON GCOV=gcov-7

    # mac OS is currently unusable at Travis, so disabled.
    # - os: osx
    #   env: CC=clang

before_script:
  - uname -a
  - cmake --version

script:
  # Perform out-of-source build
  - mkdir build
  - cd build
  - cmake -G Ninja -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DNNG_ENABLE_COVERAGE=${COVERAGE:-OFF} ..
  - ninja
  - env CTEST_OUTPUT_ON_FAILURE=1 ninja test
  - env CLANG_FORMAT=${CLANG_FORMAT:-no} ../etc/format-check.sh

after_success:
  - ../etc/codecov.sh