Yum error

[Clovis Tristao]

Hello,

When I ran "yum -y update", appear this errors,

My System: Kernel 2.6.13-1.1627_FC5
# yum -y update
Setting up Update Process
Setting up repositories
development               100% |=========================| 1.1 kB    00:00
livna                     100% |=========================|  951 B    00:00
extras-development        100% |=========================| 1.1 kB    00:00
Reading repository metadata in from local files
primary.xml.gz            100% |=========================| 1.0 MB    00:03
developmen: ################################################## 3768/3768
Added 129 new packages, deleted 125 old in 7.72 seconds
primary.xml.gz            100% |=========================| 841 kB    00:03
extras-dev: ################################################## 2341/2341
Added 560 new packages, deleted 546 old in 9.67 seconds

Error: Missing Dependency: XFree86-devel is needed by package lesstif-devel
Error: Missing Dependency: XFree86-devel is needed by package imlib-devel
Error: Missing Dependency: XFree86-devel >= 4.2.99 is needed by package 
pango-devel
Error: Missing Dependency: XFree86-devel is needed by package gtk2-devel
Error: Missing Dependency: XFree86-devel is needed by package SDL-devel
Error: Missing Dependency: libnetsnmp.so.5 is needed by package kdeutils
Error: Missing Dependency: XFree86-devel is needed by package gtk+-devel

What's happening?
Thanks a lot,

Clóvis

-- 
Clovis Tristao - UNICAMP/Faculdade de Engenharia Agricola
Administrador de Redes - Secao de Informatica (SINFO)
E-mail: mailto:clovis at agr.unicamp.br http://www.agr.unicamp.br
Fone(0xx19) 37881031-37881038 ou FAX(55xx19) 37881005/37881010