centos 6.X 安装过程

yum install https://download.postgresql.org/pub/repos/yum/9.4/redhat/rhel-6-x86_64/pgdg-centos94-9.4-2.noarch.rpm
yum install postgresql94
yum install postgresql94-server
yum install postgresql94-devel
ln -sf /usr/pgsql-9.4/bin/pg_config /usr/bin/

编译php时候加参数 –with-pgsql –with-pdo-pgsql