ESP-IDF版本：ESP-IDF v4.4-dev-2594-ga20df743f1-dirty
在进行examples/bluetooth/esp_ble_mesh/ble_mesh_node/onoff_client 蓝牙例程编译时
执行步骤：
idf.py set-target esp32
idf.py build
然后编译错误
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xtensa/esp32/libxt_hal.a && :
/home/jk007/.espressif/tools/xtensa-esp32-elf/esp-2021r1-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld: cannot find -lbtdm_app
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.
ninja failed with exit code 1
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这个 -lbtdm_app 是个啥阿，我查看这个路径确实没有这个 -lbtdm_app 文件
