extraction:
  cpp:
    prepare:
      packages: # Assuming package base of cosmic
      - ninja-build
      - qt5-default
      - qtmultimedia5-dev
    after_prepare:
    - git clone https://gitlab.matrix.org/matrix-org/olm.git
    - pushd olm
    - cmake . -Bbuild -GNinja
    - cmake --build build
    - popd
    configure:
      command: "cmake . -GNinja -DOlm_DIR=olm/build"