ESP32-LyraT speech_recognition \ asr例程报错怎么解决？

g:/esp32/.espressif/tools/xtensa-esp32-elf/esp-2020r2-8.2.0/xtensa-esp32-elf/bin/..

/lib/gcc/xtensa-esp32-elf/8.2.0/../../../../xtensa-esp32-elf/bin/ld.exe: G:/ESP32/a

df/esp-adf/components/esp-sr/liblibwakenet.a(mfcc_runner_straight.o): in function

`run':

/home/sunxiangyu/esp/esp_sr_lib/components/wakenet/mfcc_runner_straight.c:60: undef

ined reference to `csf_mfcc_HTK'

collect2.exe: error: ld returned 1 exit status

ninja: build stopped: subcommand failed.

ninja failed with exit code 1



这是什么错误，要如何解决？