language: cpp

matrix:
  include:
    ## ----- ##
    ## GCC.  ##
    ## ----- ##
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-8
      env:
        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-7
      env:
        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7 && CPPFLAGS=-DNDEBUG && CFLAGS=-O3 && CXXFLAGS=-O3"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-6
      env:
        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-5
      env:
         - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.9
      env:
         - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.6
      env:
         - MATRIX_EVAL="CC=gcc-4.6 && CXX=g++-4.6"

    ## ------- ##
    ## Clang.  ##
    ## ------- ##
    - os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
      env:
        - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0 && CPPFLAGS=-DNDEBUG && CFLAGS=-O3 && CXXFLAGS=-O3 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
      env:
        - MATRIX_EVAL="CC='clang-5.0 -fsanitize=address' && CXX='clang++-5.0 -fsanitize=address' && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-4.0
          packages:
            - clang-4.0
      env:
        - MATRIX_EVAL="CC=clang-4.0 && CXX=clang++-4.0 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-3.9
          packages:
            - clang-3.9
      env:
        - MATRIX_EVAL="CC=clang-3.9 && CXX=clang++-3.9 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.8
          packages:
            - clang-3.8
      env:
        - MATRIX_EVAL="CC=clang-3.8 && CXX=clang++-3.8 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.7
          packages:
            - clang-3.7
      env:
        - MATRIX_EVAL="CC=clang-3.7 && CXX=clang++-3.7 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.6
          packages:
            - clang-3.6
      env:
        - MATRIX_EVAL="CC=clang-3.6 && CXX=clang++-3.6 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-precise-3.5
          packages:
            - clang-3.5
      env:
        - MATRIX_EVAL="CC=clang-3.5 && CXX=clang++-3.5 && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          packages:
            - clang-3.4
      env:
        # No versioned name installed.
        - MATRIX_EVAL="CC=clang && CXX=clang++ && CXXFLAGS=-stdlib=libc++"

    - os: linux
      addons:
        apt:
          packages:
            - clang-3.3
      env:
        # No versioned name installed.
        - MATRIX_EVAL="CC=clang && CXX=clang++ && CXXFLAGS=-stdlib=libc++"

before_install:
  - sudo apt-get update -qq
  - sudo apt-get install -qq autoconf automake autopoint flex gettext graphviz help2man m4 texinfo valgrind
  - autoconf --version
  - automake --version
  - autopoint --version
  - flex --version
  - gettext --version
  - dot -V
  - help2man --version
  - m4 --version
  - makeinfo --version
  - valgrind --version
  - eval "${MATRIX_EVAL}"

script:
  - ./bootstrap
  - ./configure --enable-gcc-warnings CC="$CC" CXX="$CXX" || cat config.log
  - make -j2
  - make check                     VERBOSE=1 TESTSUITEFLAGS=-j2 || cat tests/testsuite.log
  - make maintainer-check-posix    VERBOSE=1 TESTSUITEFLAGS=-j2 || cat tests/testsuite.log
#  - make maintainer-check-valgrind VERBOSE=1 TESTSUITEFLAGS=-j2 || cat tests/testsuite.log
  - make maintainer-check-g++      VERBOSE=1 TESTSUITEFLAGS=-j2 || cat tests/testsuite.log