.travis.yml

language: cpp

env:
  global:
    # limit parallel threads (default is 32!)
    - OMP_NUM_THREADS=4
  matrix:
    # gcc builds (default configurations, uses gnu_parallel without boost)
    - CMAKE_CC="gcc"     CMAKE_CXX="g++"     CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug   -DNO_CXX11=ON"
    - CMAKE_CC="gcc"     CMAKE_CXX="g++"     CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Release -DNO_CXX11=ON"
    # gcc-4.8 builds
    - CMAKE_CC="gcc-4.8" CMAKE_CXX="g++-4.8" CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug   -DUSE_GNU_PARALLEL=OFF"
    - CMAKE_CC="gcc-4.8" CMAKE_CXX="g++-4.8" CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug   -DUSE_GNU_PARALLEL=ON"
    - CMAKE_CC="gcc-4.8" CMAKE_CXX="g++-4.8" CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Release -DUSE_GNU_PARALLEL=OFF"
    #-tb compiler error: - CMAKE_CC="gcc-4.8" CMAKE_FLAGS=""     CMAKE_CXX="g++-4.8" CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Release -DUSE_GNU_PARALLEL=ON"
    # one boost build
    - CMAKE_CC="gcc"     CMAKE_CXX="g++"     CMAKE_FLAGS=""     CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug   -DUSE_GNU_PARALLEL=OFF" USE_BOOST=ON
    # one 32-bit build
    - CMAKE_CC="gcc"     CMAKE_CXX="g++"     CMAKE_FLAGS="-m32" CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug   -DUSE_GNU_PARALLEL=OFF" USE_BOOST=OFF
    # clang build
    - CMAKE_CC="clang"   CMAKE_CXX="clang++" CMAKE_FLAGS="-Wno-sign-conversion" CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Release"

install:
  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
  - sudo apt-get -qq update
  - if [ "$CMAKE_CXX" == "g++-4.8" ]; then sudo apt-get install g++-4.8; fi
  - if [ "$CMAKE_FLAGS" == "-m32" ]; then sudo apt-get install g++-multilib; fi
  - if [ "$USE_BOOST" == "ON" ]; then sudo apt-get install libboost-all-dev; fi

before_script:
  - mkdir build
  - cd build
  - cmake -DCMAKE_C_COMPILER=$CMAKE_CC -DCMAKE_CXX_COMPILER=$CMAKE_CXX
    -DCMAKE_C_FLAGS="-Wconversion -Werror $CMAKE_FLAGS" -DCMAKE_CXX_FLAGS="-Wconversion -Werror $CMAKE_FLAGS"
    -DBUILD_TESTS=ON -DTRY_COMPILE_HEADERS=ON
    -DUSE_BOOST=$USE_BOOST $CMAKE_ARGS ../

script:
  - make -j4 && ./tools/stxxl_tool info && ctest -V