menu "app lib"
    choice
            prompt "chose a kind of lib for app"
            default APP_SELECT_NEWLIB

            config APP_SELECT_NEWLIB
                bool "app select newlib"

            config APP_SELECT_OTHER_LIB
                bool "app select other lib"
    endchoice
    source "$APP_DIR/lib/cJSON/Kconfig"
    source "$APP_DIR/lib/queue/Kconfig"
    source "$APP_DIR/lib/lvgl/Kconfig"
    source "$APP_DIR/lib/embedded_database/Kconfig"
    source "$APP_DIR/lib/lorawan/Kconfig"
    source "$APP_DIR/lib/mqtt/Kconfig"
    source "$APP_DIR/lib/JerryScript/Kconfig"
    source "$APP_DIR/lib/SQLite/Kconfig"
endmenu