# Linux Build Configuration for Travis

sudo: false # Use Travis docker infrastructure

language: cpp

os:
  - linux

env:
  matrix:
    # Each line is a set of environment variables set before a build.
    # Thus each line represents a different build configuration.
    - BUILD_TYPE=Release
    - BUILD_TYPE=Debug

compiler:
  - clang
  - gcc

cache:
  apt: true

branches:
  only:
    - master

# Travis CI is powered with Ubuntu 12.04, whose toolchain is outdated.
addons:
  apt:
    # Travis white list of ppa.
    # https://github.com/travis-ci/apt-source-whitelist/blob/master/ubuntu.json
    sources:
      - ubuntu-toolchain-r-test     # For gcc 4.9
      - kubuntu-backports           # For cmake 2.8.12
      - llvm-toolchain-precise-3.7  # For clang 3.7
    # Travis whitelist of packages.
    # https://github.com/travis-ci/apt-package-whitelist/blob/master/ubuntu-precise
    packages:
      - cmake
      - g++-4.9
      - clang-3.7
      - ninja-build

install:
  - if [ "$CC" = "gcc"   ]; then export CC=gcc-4.9 CXX=g++-4.9; fi       # Make sure that gcc-4.9 is selected.
  - if [ "$CC" = "clang" ]; then export CC=clang-3.7 CXX=clang++-3.7; fi # Make sure that clang-3.7 is selected.

before_script:
  - git clone https://github.com/google/googletest.git external/googletest

script:
  - mkdir build && cd build
  - cmake -GNinja -DCMAKE_BUILD_TYPE=${BUILD_TYPE} ..
    # Sometimes g++-4.9 flakes with an ICE. This may be an OOM thing when
    # expanding many templates.
    # If we fail the build the first time, then try to continue in
    # single-process mode.
  - ninja || ninja -j 1
  - ./UnitSPIRV --gtest_break_on_failure


notifications:
  email:
    recipients:
      - antiagainst@google.com
      - awoloszyn@google.com
      - deki@google.com
      - dneto@google.com
      - qining@google.com
    on_success: change
    on_failure: always