跪求！！安装python 时无法自动安装 ctype 库

操作系统 CentOS 8.2
GCC版本： 8.3.1
glibc : 2.28
安装 python 3.9.0 时，能编译成功、也能安装完成；但总是报 ctypes 模块未安装
网上查了很多资料，说依赖库找不到，但 tcl, ffi , zlib, sqlite3 等这些都安装了，但始终 在 安装 python 时有如下信息：
Python build finished successfully!
The necessary bits to build these optional modules were not found:
_bz2 _curses _curses_panel
_dbm _gdbm _lzma
_sqlite3 _tkinter _uuid
nis readline
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
折腾好几天了，很崩溃。。。