当前版本是否支持 CentOS 8 环境下的编译安装？根据编译指南，尝试在 CentOS 8 操作时，遇到些问题没法编译过。

**Is this a BUG REPORT or FEATURE REQUEST?**:

> Uncomment only one, leave it on its own line: 
>
> - bug
报错信息如下。 gcc 用的是编译的 7.3 版本
1. mysql fdw checksum failed。
2. 编译 cffi 报 gcc 编译选项不识别。
---------------------------------cffi----------------------------------------------------
gcc: error: unrecognized command line option ‘-fstack-clash-protection’; did you mean ‘-fstack-protector’?
gcc: error: unrecognized command line option ‘-fcf-protection’; did you mean ‘-fstack-protector’?
gcc: error: unrecognized command line option ‘-fstack-clash-protection’; did you mean ‘-fstack-protector’?
gcc: error: unrecognized command line option ‘-fcf-protection’; did you mean ‘-fstack-protector’?

No working compiler found, or bogus compiler options passed to
    the compiler from Python's standard "distutils" module.  See
    the error messages above.  Likely, the problem is not related
    to CFFI but generic to the setup.py of any Python package that
    tries to compile C code.  (Hints: on OS/X 10.8, for errors about
    -mno-fused-madd see http://stackoverflow.com/questions/22313407/
    Otherwise, see https://wiki.python.org/moin/CompLangPython or
    the IRC channel #python on irc.libera.chat.)

Trying to continue anyway.  If you are trying to install CFFI from
    a build done in a different context, you can ignore this warning.
    
gcc: error: unrecognized command line option ‘-fstack-clash-protection’; did you mean ‘-fstack-protector’?
gcc: error: unrecognized command line option ‘-fcf-protection’; did you mean ‘-fstack-protector’?
error: command '/data/og_3rd_package/gcc/bin/gcc' failed with exit status 1
> - feature

**What happened**:

**What you expected to happen**:

**How to reproduce it (as minimally and precisely as possible)**:

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**Environment**:
- Version:
- OS (e.g. from /etc/os-release):
- Kernel (e.g. `uname -a`):
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