matrix:
  include:

    - name: "j"
      language: java
      env:      BUILD=ICU4J
      before_script:
        - cd icu4j
        - ant init
      script:
        - ant check
      after_failure:
          -  cat `find out/junit-results -name "*.txt" -exec grep -l FAILED {} \;`

    # gcc debug build.
    # Includes dependency checker.
    # Note - the dependency checker needs to be run on both a debug and an optimized build.
    # This one (gcc) for debug, and linux clang (below) for optimized.
    - name: "c: linux gcc"
      language: cpp
      compiler: gcc
      before_script:
        - cd icu4c/source
        - ./runConfigureICU --enable-debug --disable-release Linux
        - make -j2
      script:
        - make -j2 check
        - ( cd test/depstest && ./depstest.py ../../../source/ )

    - name: "c: linux clang"
      language: cpp
      compiler: clang
      before_script:
        - cd icu4c/source
        - ./runConfigureICU Linux
        - make -j2
      script:
        - make -j2 check
        - ( cd test/depstest && python3 depstest.py ../../../source/ )

    - name: "c: osx clang"
      language: cpp
      env:      BUILD=MACINTOSH
      os:       osx
      compiler: clang
      # Use the macOS target to test Python 2 in data build script.
      # TODO(ICU-20301): Change this back to the default Python version 3.
      script:   cd icu4c/source && PYTHON=python2 ./runConfigureICU MacOSX && make -j2 check

    # Clang Linux with address sanitizer.
    # Note - the 'sudo: true' option forces Travis to use a Virtual machine on GCE instead of
    #        a Container on EC2 or Packet. Asan builds of ICU fail otherwise.
    - name: "c: linux asan"
      language: cpp
      env:
        - CPPFLAGS="-fsanitize=address"
        - LDFLAGS="-fsanitize=address"
      os:       linux
      dist:     trusty
      sudo:     true
      compiler: clang
      addons:
          apt:
              update: true
              sources:
                  - llvm-toolchain-trusty-5.0
              packages:
                  - clang-5.0
      before_script:
        - cd icu4c/source
        - ./runConfigureICU --enable-debug --disable-release Linux --disable-renaming
        - make -j2
      script:
        - make -j2 check


    # Clang Linux with thread sanitizer.
    #
    - name: "c: linux tsan"
      language: cpp
      env:
          - INTLTEST_OPTS="utility/MultithreadTest rbbi/RBBIMonkeyTest format/CalendarLimitTest"
          - CPPFLAGS="-fsanitize=thread"
          - LDFLAGS=-fsanitize=thread
      os:       linux
      dist:     trusty
      sudo:     true
      compiler: clang
      addons:
          apt:
              update: true
              sources:
                  - llvm-toolchain-trusty-5.0
              packages:
                  - clang-5.0
      script:
          - cd icu4c/source &&
            ./runConfigureICU --enable-debug --disable-release Linux --disable-renaming &&
            make -j2  &&
            make -j2 -C test &&
            make -j2 -C test/intltest check

    # copyright scan / future linter
    - name: "lint"
      script:
          - perl tools/scripts/cpysearch/cpyscan.pl