config BR2_PACKAGE_YAML_CPP bool "yaml-cpp" depends on BR2_INSTALL_LIBSTDCPP depends on BR2_TOOLCHAIN_HAS_THREADS # boost select BR2_PACKAGE_BOOST help yaml-cpp is a YAML parser and emitter in C++ matching the YAML 1.2 spec. https://code.google.com/p/yaml-cpp/ comment "yaml-cpp needs a toolchain w/ C++, threads" depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS