config BR2_PACKAGE_CPPZMQ bool "cppzmq" depends on BR2_INSTALL_LIBSTDCPP depends on BR2_TOOLCHAIN_HAS_THREADS # zeromq select BR2_PACKAGE_ZEROMQ help C++ binding for zeromq (ZeroMQ, 0MQ, zmq). http://github.com/zeromq/cppzmq comment "cppzmq needs a toolchain w/ C++, threads" depends on !(BR2_INSTALL_LIBSTDCPP && BR2_TOOLCHAIN_HAS_THREADS)