is it really wanted to have php 5 depend on mysql 5 AND postgres 8 ? its installing the mysql client 14 for the installed mysql 4.1.20. but why the others ?
yum update php
============================================================================= Package Arch Version Repository Size ============================================================================= Updating: php x86_64 5.1.6-3.el4s1.5 centosplus 1.2 M Installing for dependencies: mysqlclient14 x86_64 4.1.22-1.el4s1.1 centosplus 1.2M php-cli x86_64 5.1.6-3.el4s1.5 centosplus 2.3 M php-common x86_64 5.1.6-3.el4s1.5 centosplus 135 k Updating for dependencies: mysql x86_64 5.0.27-1.el4.centos centosplus 3.3 M mysql-server x86_64 5.0.27-1.el4.centos centosplus 10 M php-devel x86_64 5.1.6-3.el4s1.5 centosplus 489 k php-gd x86_64 5.1.6-3.el4s1.5 centosplus 108 k php-imap x86_64 5.1.6-3.el4s1.5 centosplus 50 k php-ldap x86_64 5.1.6-3.el4s1.5 centosplus 33 k php-mbstring x86_64 5.1.6-3.el4s1.5 centosplus 990 k php-mysql x86_64 5.1.6-3.el4s1.5 centosplus 85 k php-ncurses x86_64 5.1.6-3.el4s1.5 centosplus 39 k php-odbc x86_64 5.1.6-3.el4s1.5 centosplus 50 k php-pdo x86_64 5.1.6-3.el4s1.5 centosplus 228 k php-pgsql x86_64 5.1.6-3.el4s1.5 centosplus 66 k php-snmp x86_64 5.1.6-3.el4s1.5 centosplus 26 k php-xmlrpc x86_64 5.1.6-3.el4s1.5 centosplus 52 k postgresql x86_64 8.1.8-1.el4s1.1 centosplus 2.8 M postgresql-libs x86_64 8.1.8-1.el4s1.1 centosplus 192 k postgresql-server x86_64 8.1.8-1.el4s1.1 centosplus 4.0 M