.travis.yml

language: cpp
compiler: gcc

os: linux
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - g++-7


# Rather then compile protobuf 3 from source, use the binaries now available
# to speed up build time and reduce surprises until Ubuntu adds protobuf3
# packages to the repository.
install:
    - mkdir -p $HOME/protobuf && pushd $HOME/protobuf
      && curl -LO 'https://github.com/protocolbuffers/protobuf/releases/download/v3.11.2/protoc-3.11.2-linux-x86_64.zip'
      && unzip protoc-3.11.2-linux-x86_64.zip
      && popd

script:
  - export CC=gcc-7
  - export CXX=g++-7
  - cmake --version
  - cmake -DProtobuf_USE_STATIC_LIBS=ON -DProtobuf_LIBRARY=/usr/lib/libprotobuf.so -DProtobuf_INCLUDE_DIR=/usr/include -DProtobuf_PROTOC_EXECUTABLE=/usr/bin/protoc -DProtobuf_PROTOC_LIBRARY=/usr/lib/libprotoc.a CMakeLists.txt
  - cmake  --build .