/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/output/moorgen_plc_gw_1.0.0/.objs/./src/mg_ssl_con_host.c.o：在函数‘mg_ssl_con_init’中：
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:91：对‘mbedtls_net_init’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:104：对‘mbedtls_net_connect’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:138：对‘mbedtls_net_recv’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:138：对‘mbedtls_net_recv’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:138：对‘mbedtls_net_send’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:138：对‘mbedtls_net_send’未定义的引用
/home/kylin/Desktop/mg_tuya_gw/software/TuyaOS/apps/moorgen_plc_gw/src/mg_ssl_con_host.c:141：对‘mbedtls_net_free’未定义的引用
makefile中添加头文件路劲：
USER_INC_BASE_DIR += $(shell find $(ROOT_DIR)/include -name "*include" -type d | grep include/)
问题：为啥找不到这几个函数啊？