[root@chat ~]# yum install  libpqxx.i386
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
epel/metalink                                                                                                                                                                                 |  12 kB     00:00
 * base: mirror.wiredtree.com
 * epel: mirror.steadfast.net
 * extras: mirror.steadfast.net
 * updates: pubmirrors.reflected.net
base                                                                                                                                                                                          | 3.7 kB     00:00
extras                                                                                                                                                                                        | 3.5 kB     00:00
updates                                                                                                                                                                                       | 3.5 kB     00:00
763 packages excluded due to repository priority protections
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package libpqxx.i386 0:2.6.8-13.el5 will be installed
--> Processing Dependency: libpq.so.4 for package: libpqxx-2.6.8-13.el5.i386
--> Finished Dependency Resolution
Error: Package: libpqxx-2.6.8-13.el5.i386 (epel)
           Requires: libpq.so.4
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest
[root@chat ~]#