install postgres on linux

i want to install postgres on centos 5.3 via rpm, i execute command

 rpm -ihv postgres-9.0.3-1.i386.openscg.rpm

shows error

error: Failed dependencies:
        libperl.so is needed by postgr开发者_Go百科es-9.0-9.0.3-1.i386

it seems that it required perl (i think), but perl version 5.8 is already install

any suggestion ?

got solution

by installing

rpm -hiv ../inc/postgresql-8.1.23-1.el5_6.1.x86_64.rpm
rpm -hiv ../inc/postgresql-server-8.1.23-1.el5_6.1.x86_64.rpm