Python build finished successfully!
The necessary bits to build these optional modules were not found:
_ssl
To find the necessary bits, look in setup.py in detect_modules() for the module's name.

The following modules found by detect_modules() in setup.py, have been
built by the Makefile instead, as configured by the Setup files:
_abc atexit pwd
time

Failed to build these modules:
_ctypes

make[2]: *** [sharedmods] Error 1
make[1]: *** [/home/qianyou/下载/app/t113-s-v1.1-2.1/out/t113/s3_roc/longan/buildroot/build/host-python3-3.7.2/.stamp_built] Error 2
make: *** [_all] Error 2
make: Leaving directory `/home/qianyou/下载/app/t113-s-v1.1-2.1/buildroot/buildroot-201902'
ERROR: build buildroot Failed
INFO: mkbr failed
也做过sudo apt-get install libffi-devel 都没有改善，请大家指教一下，谢谢