language: cpp

compiler:
  - clang

addons:
  apt:
    packages:
      - clang-4.0
      - g++-6
    sources:
      - ubuntu-toolchain-r-test
      - llvm-toolchain-trusty-4.0

install:
  - export CXX=clang++-4.0
  - JOBS=2
  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
  - mkdir -p "${DEPS_DIR}" && cd "${DEPS_DIR}"

  ############################################################################
  # Install a recent CMake
  ############################################################################
  - CMAKE_URL="https://cmake.org/files/v3.9/cmake-3.9.0-Linux-x86_64.tar.gz"
  - mkdir -p cmake && travis_retry wget --no-check-certificate --quiet -O - "${CMAKE_URL}" | tar --strip-components=1 -xz -C cmake
  - export PATH="${DEPS_DIR}/cmake/bin:${PATH}"

  - sudo pip install conan

script:
  - cd "${TRAVIS_BUILD_DIR}"
  - mkdir build
  - cd build
  - cmake ..
  - cmake --build .
  - ctest
  - cd ..
  - conan create . erikvalkering/unstable

language: cpp

compiler:
  - clang

addons:
  apt:
    packages:
      - clang-4.0
      - g++-6
    sources:
      - ubuntu-toolchain-r-test
      - llvm-toolchain-trusty-4.0

install:
  - export CXX=clang++-4.0
  - JOBS=2
  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
  - mkdir -p "${DEPS_DIR}" && cd "${DEPS_DIR}"

  ############################################################################
  # Install a recent CMake
  ############################################################################
  - CMAKE_URL="https://cmake.org/files/v3.9/cmake-3.9.0-Linux-x86_64.tar.gz"
  - mkdir -p cmake && travis_retry wget --no-check-certificate --quiet -O - "${CMAKE_URL}" | tar --strip-components=1 -xz -C cmake
  - export PATH="${DEPS_DIR}/cmake/bin:${PATH}"

  - sudo pip install conan

script:
  - cd "${TRAVIS_BUILD_DIR}"
  - mkdir build
  - cd build
  - cmake ..
  - cmake --build .
  - ctest
  - cd ..
  - conan create . erikvalkering/unstable -s compiler.version=4

Set compiler used to clang version 4
Set compiler used to clang version 4
