Error messages from "yum update"

Error: Missing Dependency: httpd = 2.0.52-12.ent.centos4 is needed by package httpd-suexec
Error: Missing Dependency: gcc = 3.4.3-22.1 is needed by package gcc-g77
Error: Missing Dependency: gcc = 3.4.3-22.1 is needed by package gcc-c++
Error: Missing Dependency: lockdev = 1.0.1-3 is needed by package lockdev-devel
Error: Missing Dependency: xorg-x11-deprecated-libs = 6.8.2-1.EL.13.6 is needed by package xorg-x11-deprecated-libs-devel
Error: Missing Dependency: iiimf-libs = 1:12.1-13.EL is needed by package iiimf-libs-devel
Error: Missing Dependency: dbus = 0.22-12.EL.2 is needed by package dbus-devel
Error: Missing Dependency: openldap = 2.2.13-2 is needed by package openldap-devel
Error: Missing Dependency: rpm = 4.3.3-9_nonptl is needed by package rpm-build
Error: Missing Dependency: xorg-x11-devel = 6.8.2-1.EL.13.6 is needed by package xorg-x11-deprecated-libs-devel
Error: Missing Dependency: pam = 0.77-66.5 is needed by package pam-devel
Error: Missing Dependency: httpd = 2.0.52-12.ent.centos4 is needed by package httpd-manual
Error: initscripts conflicts with diskdumputils < 1.1.0
Error: Missing Dependency: rpm = 4.3.3-9_nonptl is needed by package rpm-devel


 

output from "rpm -qa httpd gcc lockdev xorg-x11-deprecated-libs iiimf-libs dbus openldap rpm xorg-x11-devel pam" :

openldap-2.2.13-2
gcc-3.4.3-22.1
xorg-x11-devel-6.8.2-1.EL.13.6
dbus-0.22-12.EL.2
pam-0.77-66.5
xorg-x11-deprecated-libs-6.8.2-1.EL.13.6
rpm-4.3.3-9_nonptl
lockdev-1.0.1-3
httpd-2.0.52-12.ent.centos4
iiimf-libs-12.1-13.EL