(1)
configure: error: readline library notfound
If you have readline already installed, see config.log for detailson the
failure. It is possible the compiler isnt lookingin the proper directory.
Use --without-readline to disable readlinesupport.
如果出现以上错误，说明你的系统缺少readline库，这时输入：
rpm -qa | grep readline
如果提示：readline-6.0-4.el6.x86_64
那么，你的电脑缺少readline-devel库，你只要安装一下readline-devel就行了：
yum -y install readline-devel
再次rpm -qa | grep readline
提示：
readline-devel-6.0-4.el6.x86_64
readline-6.0-4.el6.x86_64
说明readline-devel安装成功。

(2).
checking for inflate in -
lz
... noconfigure: error: zlib library not foundIf you have zlib already installed, see config.log for details on thefailure. It is possible the compiler isn't looking in the proper directory.Use --without-zlib to disable zlib support.出现这种错误，说明你的系统缺少zlib库，输入：rpm -qa | grep zlib，如果出现如下提示：zlib-1.2.3-29.el6.x86_64zlib-1.2.3-29.el6.i686jzlib-1.0.7-7.5.el6.x86_64则说明，你的电脑缺少zlib-devel库，安装一下即可：yum install zlib-devel;这时，再rpm -aq | grep zlibzlib-1.2.3-29.el6.x86_64zlib-1.2.3-29.el6.i686jzlib-1.0.7-7.5.el6.x86_64zlib-devel-1.2.3-29.el6.x86_64说明zlib-devel安装成功。如果你的系统以上库均缺失，则要全部安装。

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如果从本地访问数据库，出现如下提示：
FATAL:no pg-hba.conf entry for host "xxxxxxxx",user "xxx" database "xxxxx"......
则说明，本地访问被设置了非trust模式，请检查$POSTGRESQL_HOME/data/pg-hba.conf配置文件是否有如下配置信息：
host all all 127.0.0.1/32 trust