language:
    - c
    - cpp

# Use Trusty VM
sudo: required
dist: trusty

matrix:
  include:
    # Test clang-3.6
    # TODO: clang 3.7+ packages from http://llvm.org/apt do not support sanitizers yet, see https://llvm.org/bugs/show_bug.cgi?id=22757
    - env: CLANG_VERSION=3.6
      os: linux
      addons:
        apt:
          packages:
            - valgrind
            - util-linux
            - clang-3.6
            - libclang-common-3.6-dev
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.6

    # Test default gcc
    - env: GCC_VERSION=4.8
      os: linux
      compiler: gcc
      addons:
        apt:
          packages:
            - lcov
            - valgrind

    # Test gcc-5.0
    - env: GCC_VERSION=5
      os: linux
      addons:
        apt:
          packages:
            - valgrind
            - g++-5
            - gcc-5
          sources:
            - ubuntu-toolchain-r-test
env:
    global:
        - PROTOBUF_VERSION=2.6.1
        - PKG_CONFIG_PATH=$HOME/protobuf-$PROTOBUF_VERSION-bin/lib/pkgconfig

before_install:
    - if [ -n "$GCC_VERSION" ]; then export CXX="g++-${GCC_VERSION}" CC="gcc-${GCC_VERSION}"; fi
    - if [ -n "$CLANG_VERSION" ]; then export CXX="clang++-${CLANG_VERSION}" CC="clang-${CLANG_VERSION}"; fi
    - if [ "$GCC_VERSION" == "4.8" ]; then export CXX="g++" CC="gcc"; fi
    - which $CXX
    - which $CC
    - which valgrind

install:
    - pip install --user cpp-coveralls
    - wget https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protobuf-$PROTOBUF_VERSION.tar.gz
    - tar xf protobuf-$PROTOBUF_VERSION.tar.gz
    - ( cd protobuf-$PROTOBUF_VERSION && ./configure --prefix=$HOME/protobuf-$PROTOBUF_VERSION-bin && make -j2 && make install )

script:
    - ./autogen.sh
    - ./configure && make -j2 distcheck VERBOSE=1 && make clean
    - if [ "$GCC_VERSION" != "4.8" ]; then ./configure --enable-valgrind-tests CFLAGS="-fsanitize=undefined -fno-sanitize-recover=undefined" && make -j2 distcheck DISTCHECK_CONFIGURE_FLAGS="--enable-valgrind-tests CFLAGS=\"-fsanitize=undefined -fno-sanitize-recover=undefined\"" VERBOSE=1 && make clean; fi
    - if [ "$CC" = "gcc" ]; then ./configure --enable-code-coverage && make -j2 && make check; fi

after_success:
    - if [ "$CC" = "gcc" ]; then cpp-coveralls --build-root . --exclude t/ --exclude /usr/include --exclude protobuf-$PROTOBUF_VERSION --exclude protoc-c; fi