[root@ba2 etc]# yum install httpd-devel
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Package httpd-devel.i386 0:2.0.52-32.3.ent.centos4 set to be updated
--> Running transaction check
--> Processing Dependency: apr-util-devel for package: httpd-devel
--> Processing Dependency: httpd = 2.0.52 for package: httpd-devel
--> Processing Dependency: apr-devel for package: httpd-devel
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package apr-devel.i386 0:0.9.4-24.5.c4.2 set to be updated
---> Package apr-util-devel.i386 0:0.9.4-21 set to be updated
--> Running transaction check
--> Processing Dependency: httpd = 2.0.52 for package: httpd-devel
--> Finished Dependency Resolution
Error: Missing Dependency: httpd = 2.0.52 is needed by package httpd-devel
[root@ba2 etc]#