centos7.x安装python3.12.3

环境准备

安装依赖项

sudo yum update -y
sudo yum groupinstall -y "Development Tools"
sudo yum install -y \
    gcc \
    openssl-devel \
    bzip2-devel \
    libffi-devel \
    zlib-devel \
    wget

# 安装高版本gcc
sudo yum install -y centos-release-scl
sudo yum install -y devtoolset-10

scl enable devtoolset-10 bash

echo "source /opt/rh/devtoolset-10/enable" >> ~/.bashrc
source ~/.bashrc

sudo yum install -y wget gcc gcc-c++ kernel-devel make

cd /usr/local/src
sudo wget http://ftp.gnu.org/gnu/gcc/gcc-10.2.1/gcc-10.2.1.tar.gz
sudo tar -xzf gcc-10.2.1.tar.gz
cd gcc-10.2.1
sudo ./contrib/download_prerequisites
sudo mkdir build
cd build

sudo ../configure --prefix=/usr/local/gcc-10.2.1 --enable-languages=c,c++ --disable-multilib

sudo make -j$(nproc)
sudo make install

sudo ln -s /usr/local/gcc-10.2.1/bin/gcc /usr/bin/gcc-10.2.1
sudo ln -s /usr/local/gcc-10.2.1/bin/g++ /usr/bin/g++-10.2.1
sudo ln -s /usr/local/gcc-10.2.1/bin/cpp /usr/bin/cpp-10.2.1

echo 'export PATH=/usr/local/gcc-10.2.1/bin:$PATH' >> ~/.bashrc
source ~/.bashrc


gcc --version




# 安装高版本openssl
sudo yum remove openssl

wget https://www.openssl.org/source/openssl-1.1.1k.tar.gz
tar -zxf openssl-1.1.1k.tar.gz
cd openssl-1.1.1k

./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl shared zlib
make
sudo make install

sudo ln -s /usr/local/openssl/lib/libssl.so.1.1 /usr/lib64/libssl.so.1.1
sudo ln -s /usr/local/openssl/lib/libcrypto.so.1.1 /usr/lib64/libcrypto.so.1.1
sudo ldconfig

echo "source /opt/rh/devtoolset-10/enable" >> ~/.bashrc
source ~/.bashrc

openssl version

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python源码准备

cd /usr/src
sudo wget https://www.python.org/ftp/python/3.12.3/Python-3.12.3.tgz
sudo tar xzf Python-3.12.3.tgz
cd Python-3.12.3
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编译

sudo mkdir -p /data/opt/python/python3
sudo ./configure --prefix=/data/opt/python/python3 --enable-shared --enable-optimizations  --with-openssl=/usr/local/openssl
# --enable-shared 开启共享
# --with-openssl 指定openssl(OpenSSL 1.1.1k)家目录
sudo make altinstall

wget https://bootstrap.pypa.io/get-pip.py
sudo /data/opt/python/python3/bin/python3.12 get-pip.py

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验证

/data/opt/python/python3/bin/python3.12 --version
/data/opt/python/python3/bin/pip3.12 --version
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配置环境变量（可选）

sudo vim /etc/profile

export LD_LIBRARY_PATH=/data/opt/python/python3/lib:$LD_LIBRARY_PATH
# Set PATH for Python 3.12 installation
export PATH="/usr/local/bin/python3.12:$PATH"

export PYTHONUSERBASE=/data/opt/python/python3

# 保存并关闭文件，然后使更改生效：
source /etc/profile

ln -s xxx xxx
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