yaml_cpp_cmake_options = cmake.subproject_options() yaml_cpp_cmake_options.add_cmake_defines({ 'CMAKE_POLICY_VERSION_MINIMUM': '3.5', 'BUILD_SHARED_LIBS': 'ON', 'CMAKE_SKIP_INSTALL_RULES': 'ON', 'YAML_CPP_BUILD_TESTS': 'OFF' }) yaml_cpp_sp = cmake.subproject( 'yaml-cpp', options: yaml_cpp_cmake_options, ) yaml_cpp_dep = yaml_cpp_sp.dependency('yaml-cpp')