编译esp-iot-solution的例出现错误

[linyaqiang]

编译esp-iot-solution的例程时候，出现如下错误：
Administrator@DE-0011 MSYS /d/lin_work/esp32_work/esp32_prj/empty_project
# make all
/d/lin_work/esp32_work/esp32_prj/esp/esp-iot-solution/submodule/esp-idf//make/project.mk:60: esp-idf build system only supports MSYS2 in "MINGW32" mode. Consult the ESP-IDF documentation for details.
WARNING: Failed to find Xtensa toolchain, may need to alter PATH or set one in the configuration menu
/d/lin_work/esp32_work/esp32_prj/esp/esp-iot-solution/submodule/esp-idf/make/project.mk:60: esp-idf build system only supports MSYS2 in "MINGW32" mode. Consult the ESP-IDF documentation for details.
WARNING: Failed to find Xtensa toolchain, may need to alter PATH or set one in the configuration menu
WARNING: Missing submodule components/bootloader/subproject/components/micro-ecc/micro-ecc...
Attempting 'git submodule update --init components/bootloader/subproject/components/micro-ecc/micro-ecc' in esp-idf root directory...
error: 路径规格 'components/bootloader/subproject/components/micro-ecc/micro-ecc' 未匹配任何 git 已知文件
make[1]: *** [/d/lin_work/esp32_work/esp32_prj/esp/esp-iot-solution/submodule/esp-idf/make/project.mk:531：/d/lin_work/esp32_work/esp32_prj/esp/esp-iot-solution/submodule/esp-idf/components/bootloader/subproject/components/micro-ecc/micro-ecc/.git] 错误 1
make: *** [/d/lin_work/esp32_work/esp32_prj/esp/esp-iot-solution/submodule/esp-idf/components/bootloader/Makefile.projbuild:41：/d/lin_work/esp32_work/esp32_prj/empty_project/build/bootloader/bootloader.bin] 错误 2

请问这个怎么解决？