option(ENABLE_CASSANDRA "Enable Cassandra" ${ENABLE_LIBRARIES})

if (ENABLE_CASSANDRA)
    if (APPLE)
        SET(CMAKE_MACOSX_RPATH ON)
    endif()

    if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/libuv")
        message (ERROR "submodule contrib/libuv is missing. to fix try run: \n git submodule update --init --recursive")
    elseif (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/cassandra")
        message (ERROR "submodule contrib/cassandra is missing. to fix try run: \n git submodule update --init --recursive")
    else()
        set (LIBUV_ROOT_DIR "${ClickHouse_SOURCE_DIR}/contrib/libuv")
        set (CASSANDRA_INCLUDE_DIR
                "${ClickHouse_SOURCE_DIR}/contrib/cassandra/include/")
        if (USE_STATIC_LIBRARIES)
            set (LIBUV_LIBRARY uv_a)
            set (CASSANDRA_LIBRARY cassandra_static)
        else()
            set (LIBUV_LIBRARY uv)
            set (CASSANDRA_LIBRARY cassandra)
        endif()
        set (USE_CASSANDRA 1)
        set (CASS_ROOT_DIR "${ClickHouse_SOURCE_DIR}/contrib/cassandra")

    endif()
endif()

message (STATUS "Using cassandra=${USE_CASSANDRA}: ${CASSANDRA_INCLUDE_DIR} : ${CASSANDRA_LIBRARY}")
message (STATUS "Using libuv: ${LIBUV_ROOT_DIR} : ${LIBUV_LIBRARY}")