option('enable-docs', type: 'boolean', value: true, description: 'Build Doxygen document if available.' ) option('enable-tests', type: 'boolean', value: false, description: 'Build unit tests' ) option('enable-systemd', type: 'boolean', value: false, description: 'Systemd notify support' ) option('runtime_subdir', type: 'string', value: 'run/drm-lease-manager', description: 'subdirectory to use for runtime data' )