# Travis defines and exports CC and CXX *after* we have defined our
# environment variables via 'env'.  So, do not use 'env' to define
# them.  Instead, put their definitions in MATRIX_EVAL, which we eval
# after the definitions from Travis.

language: cpp

env:
  global:
    # ICC serial number.
    secure: 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

matrix:
  include:
    ## ----- ##
    ## GCC.  ##
    ## ----- ##
    #- name: "GCC 8 with sanitizers"
    #  os: linux
    #  addons:
    #    apt:
    #      sources:
    #        - ubuntu-toolchain-r-test
    #      packages:
    #        - g++-8
    #  env:
    #    # Can't use UBSAN: I get:
    #    # configure:4951: gcc-8 -fsanitize=undefined,address -fno-omit-frame-pointer conftest.c
    #    # /usr/bin/ld: unrecognized option '--push-state'
    #    - MATRIX_EVAL="CC='gcc-8 -fsanitize=undefined,address -fno-omit-frame-pointer' CXX='g++-8 -fsanitize=undefined,address -fno-omit-frame-pointer'"

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

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

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

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

    - name: "GCC 4.8"
      os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.8
      env:
         - MATRIX_EVAL="CC=gcc-4.8 && CXX=g++-4.8"

    - name: "GCC 4.7"
      os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.7
      env:
         - MATRIX_EVAL="CC=gcc-4.7 && CXX=g++-4.7"

    - name: "GCC 4.6"
      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.  ##
    ## ------- ##

    - name: "Clang 7 libc++ and ASAN"
      os: linux
      addons:
        apt:
          sources:
            # Travis is not ready yet:
            # - llvm-toolchain-trusty-7
            - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-7 main'
              key_url: 'http://apt.llvm.org/llvm-snapshot.gpg.key'
            - ubuntu-toolchain-r-test
          packages:
            - clang-7
            - libc++-7-dev
            - libc++abi-7-dev
      env:
        # Do not use ASAN with ubuntu's libc++: https://bugs.llvm.org/show_bug.cgi?id=17379
        - MATRIX_EVAL="CC='clang-7 -fsanitize=address' CXX='clang++-7 -fsanitize=address -stdlib=libc++'"

    - name: "Clang 6 -O3 and libc++"
      os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-6.0
            - ubuntu-toolchain-r-test
          packages:
            - clang-6.0
            - libc++-dev
      env:
        - MATRIX_EVAL="CC=clang-6.0 && CXX='clang++-6.0 -stdlib=libc++'"
        - CONFIGUREFLAGS='CPPFLAGS=-DNDEBUG CFLAGS=-O3 CXXFLAGS=-O3'

    - name: "Clang 5"
      os: linux
      addons:
        apt:
          sources:
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
            - libc++-dev
      env:
        - MATRIX_EVAL="CC='clang-5.0' CXX='clang++-5.0'"

    - name: "Clang 4"
      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"

    - name: "Clang 3.9"
      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"

    - name: "Clang 3.8"
      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"

    - name: "CLang 3.7"
      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"

    - name: "Clang 3.6"
      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"

    - name: "Clang 3.5"
      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"

    - name: "Clang 3.4"
      os: linux
      addons:
        apt:
          packages:
            - clang-3.4
      env:
        # No versioned name installed, but beware that Travis installs
        # a more modern clang earlier in the default PATH.
        - MATRIX_EVAL='CC=/usr/bin/clang && CXX=/usr/bin/clang++'

    - name: "Clang 3.3"
      os: linux
      addons:
        apt:
          packages:
            - clang-3.3
      env:
        # See comment for 3.4.
        - MATRIX_EVAL='CC=/usr/bin/clang && CXX=/usr/bin/clang++'

    ## ----- ##
    ## ICC.  ##
    ## ----- ##
    - name: "ICC"
      os: linux
      env:
        # ICC's warnings are often very wrong (e.g., it thinks foo ?
        # "bar" : "baz" is char* instead of const char*), so don't try
        # to work around the, and obviously, don't die on them.
        - MATRIX_EVAL="CC=icc && CXX=icpc"
        - MAKE_ARGS='WERROR_CFLAGS= WERROR_CXXFLAGS='

before_install:
  - eval "$MATRIX_EVAL"
  - env
  - sudo apt-get update -qq
  - sudo apt-get install -qq autoconf automake autopoint doxygen flex gettext graphviz help2man m4 texinfo
  - if [[ $CC == "icc" ]]; then build-aux/install-icc.sh; fi
  - if [[ -f ~/.bashrc ]]; then source ~/.bashrc; fi
  - autoconf --version
  - automake --version
  - autopoint --version
  - $CC --version
  - $CXX --version
  - doxygen --version
  - flex --version
  - gettext --version
  - dot -V
  - help2man --version
  - m4 --version
  - makeinfo --version

script:
  - git show
  - git tag -l
  # For some reasons, sometimes the checkout does not have any tags,
  # so `git describe` fails, so bootstrap fails.
  - git describe || git tag v3.0 -m "Fake version 3.0."
  - git describe
  - ./bootstrap
  - if [[ -f ~/.bashrc ]]; then source ~/.bashrc; fi
  - ./configure --enable-gcc-warnings CC="$CC" CXX="$CXX" $CONFIGUREFLAGS || { cat config.log && false; }
  - make -j2 $MAKE_ARGS
  - make check                  VERBOSE=1 TESTSUITEFLAGS=-j2 || { cat tests/testsuite.log && false; }
  - make maintainer-check-posix VERBOSE=1 TESTSUITEFLAGS=-j2 || { cat tests/testsuite.log && false; }
  - make maintainer-check-g++   VERBOSE=1 TESTSUITEFLAGS=-j2 || { cat tests/testsuite.log && false; }

after_script:
  - if [[ $CC == "icc" ]]; then uninstall_intel_software; fi