python如何确保--with-system-expat=no生效

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1.卸载系统中expat

yum remove expat

2.python构建静态expat

./configure \
    --prefix=/usr/local/python3.9 \
    --enable-optimizations \
    --enable-shared \
    --with-openssl=/usr/local/openssl-1.1 \
    --with-system-expat=no \  ### 自编译非引用系统
    --with-ensurepip=install

# 编译/安装
make -s -j4 && make -s install

expat -> 编译 expat 源码 -> 静态编译进 python

3.检查

ldd /usr/local/python3.9/lib/python3.9/lib-dynload/pyexpat*.so