在Linux CentOS 6.6上安装Python 2.7.9
@H_403_6@CentOS 6.6自带的是Python 2.6.6,而编译llvm需要Python 2.7以上。
@H_403_6@yum中最新的也是Python 2.6.6,只能下载Python2.7.9的源代码自己编译安装。
@H_403_6@操作步骤如下:
@H_403_6@1)安装devtoolset
@H_403_6@2)安装编译Python需要的包包
@H_403_6@3)下载并解压Python 2.7.9的源代码
@H_403_6@4)编译与安装Python 2.7.9
@H_403_6@5)将python命令指向Python 2.7.9
@H_403_6@6)检查Python版本
checking for python... /usr/bin/python checking for python >= 2.7... not found configure: error: found python 2.6.6 (/usr/bin/python); required >= 2.7
yum groupinstall "Development tools"
yum install zlib-devel yum install bzip2-devel yum install openssl-devel yum install ncurses-devel yum install sqlite-devel
cd /opt wget --no-check-certificate https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tar.xz tar xf Python-2.7.9.tar.xz cd Python-2.7.9
./configure --prefix=/usr/local make && make altinstall
ln -s /usr/local/bin/python2.7 /usr/local/bin/python
sh sh-4.1# python -V Python 2.7.9