config BR2_PACKAGE_LEVELDB bool "leveldb" depends on BR2_INSTALL_LIBSTDCPP depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11 depends on BR2_TOOLCHAIN_HAS_THREADS help LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values. https://github.com/google/leveldb comment "leveldb needs a toolchain w/ C++, threads, gcc >= 4.8" depends on !BR2_INSTALL_LIBSTDCPP || \ !BR2_TOOLCHAIN_HAS_THREADS || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8