.travis.yml

sudo: false # allows containers instead of VMs
language: cpp
cache:
  directories:
  - mpich
  
os: linux
dist: xenial

addons:
  apt:
    sources: &common_sources
      - ubuntu-toolchain-r-test
    packages: &common_packages
      - cmake-data
      - cmake

env:
  global:
    - LINUX_DIST=xenial
    - CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror"
    - MAKE_FLAGS="-j4" # VERBOSE=1

jobs:
  include:
    # GCC 4.9
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-4.9
      env:
        - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9 && CNAME=gcc-4.9"

    # GCC 5
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-5
      env:
        - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5 && CNAME=gcc-5"
    
    # GCC 6
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-6
      env:
        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6 && CNAME=gcc-6"
        - CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror -Wno-error=unused-but-set-variable"
    
    # GCC 7
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-7
      env:
        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7 && CNAME=gcc-7"
        - CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror -Wno-error=unused-but-set-variable"

    # GCC 8
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-8
      env:
        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8 && CNAME=gcc-8"
        - CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror"

    # GCC 9
    - addons:
        apt:
          sources: *common_sources
          packages:
            - *common_packages
            - g++-9
      env:
        - MATRIX_EVAL="CC=gcc-9 && CXX=g++-9"
        - CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror"

# Clang 3.9
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-3.9
          packages:
            - *common_packages
            - clang-3.9
      env:
        - MATRIX_EVAL="CC=clang-3.9 && CXX=clang++-3.9 && CNAME=clang-3.9"

    # Clang 4.0
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-4.0
          packages:
            - *common_packages
            - clang-4.0
      env:
        - MATRIX_EVAL="CC=clang-4.0 && CXX=clang++-4.0 && CNAME=clang-4.0"

    # Clang 5.0
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-5.0
          packages:
            - *common_packages
            - clang-5.0
      env:
        - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0 && CNAME=clang-5.0"

    # Clang 6.0
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-6.0
          packages:
            - *common_packages
            - clang-6.0
      env:
        - MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0 && CNAME=clang-6.0"

    # Clang 7
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-7
          packages:
            - *common_packages
            - clang-7
      env:
        - MATRIX_EVAL="CC=clang-7 && CXX=clang++-7 && CNAME=clang-7"

    # Clang 8
    - addons:
        apt:
          sources:
            - llvm-toolchain-xenial-8
          packages:
            - *common_packages
            - clang-8
      env:
        - MATRIX_EVAL="CC=clang-8 && CXX=clang++-8 && CNAME=clang-8"

# NOT YET SUPPORTED
#    # Clang 9 
#    - addons:
#        apt:
#          sources:
#            - llvm-toolchain-xenial-9
#          packages:
#            - *common_packages
#            - clang-9
#      env:
#        - MATRIX_EVAL="CC=clang-9 && CXX=clang++-9 && CNAME=clang-9"


before_install:
  - eval "${MATRIX_EVAL}"
  - ${CXX} --version
  - source ./ci/build_mpich.sh ${CNAME}
  - export CMAKE_OPTIONS=${CMAKE_OPTIONS}" "${ENV_CMAKE_OPTIONS}
  - export CXX_FLAGS=${CXX_FLAGS}" "${ENV_CXX_FLAGS}
  
script:
# info
  - echo "CXX_FLAGE=${CXX_FLAGS}"
  - echo "MAKE_FLAGS=${MAKE_FLAGS}"
  - which ${CC}
  - which ${CXX}
  - echo "PATH=${PATH}"
  - echo "LD_LIBRARY_PATH=${LD_LIBRARY_PATH}"
  - which mpirun
  - which mpicc
  - which mpicxx
# build HAM
  - mkdir -p build
  - cd build
  - cmake -DCMAKE_CXX_FLAGS="${CXX_FLAGS}" ../ham
  - make ${MAKE_FLAGS}
# test HAM
  - mpirun -n 2 ./test_argument_transfer_mpi
  - mpirun -n 3 ./test_data_transfer_mpi
  - mpirun -n 5 ./test_multiple_targets_mpi
  - mpirun -n 3 ./ham_offload_test_mpi
  - mpirun -n 3 ./ham_offload_test_explicit_mpi
  - cd ..
# build example
  - cd examples
  - mkdir build.hello_world
  - cd build.hello_world
  - cmake -DCMAKE_CXX_FLAGS="${CXX_FLAGS}" ../hello_world
  - make ${MAKE_FLAGS}
# test example
  - mpirun -n 2 ./hello_world_mpi