language: cpp os: linux dist: bionic addons: apt: update: true packages: - g++-multilib env: script: - ./boost/build/build.py download 1.58.0 - ./boost/build/build.py build --configuration Debug --platform x86 -- ./boost_1_58_0 --with-filesystem - ./boost/build/build.py download --cache . 1.71.0 - ./boost/build/build.py build --configuration Release --platform x64 -- ./boost_1_71_0 link=static --with-filesystem