How to install only the required files for DBD to work

I'm trying to figure out how to install the DBI/DBD combination on a "clean" webserver machine and only install the required oracle libraries for the system to work. So far I have the following installed:

/home/oracle # ls -lR
.:
total 6

drwxr-xr-x   2 oracle   dba         1024 Mar 23 20:50 lib/
drwxr-xr-x   3 oracle   dba          512 Mar 19 20:08 network/
drwxr-xr-x   3 oracle   dba          512 Mar 23 19:08 ocommon/

./lib:
total 8482
-rwxr-xr-x 1 oracle dba 919902 Mar 23 20:48 libclient.a*
lrwxrwxrwx 1 root other 16 Mar 23 18:53 libclntsh.so -> libclntsh.so.1.0*
-rwxr-xr-x 1 oracle dba 3399584 Mar 19 20:08
libclntsh.so.1.0*

./network:
total 2
drwxr-xr-x 2 oracle dba 512 Mar 23 20:43 admin/

./network/admin:
total 4
-rw-r--r-- 1 oracle dba 48 Mar 23 20:43 sqlnet.ora
-rw-r--r-- 1 oracle dba 379 Mar 23 20:18 tnsnames.ora

./ocommon:
total 2
drwxr-xr-x 3 oracle dba 512 Mar 23 19:08 nls/

./ocommon/nls:
total 2
drwxr-xr-x 3 oracle dba 512 Mar 23 19:08 admin/

./ocommon/nls/admin:
total 2
drwxr-xr-x 2 oracle dba 512 Mar 23 21:19 data/

./ocommon/nls/admin/data:
total 64
-rwxr-xr-x 1 root other 482 Mar 23 21:19 lx00001.nlb*
-rwxr-xr-x 1 root other 269 Mar 23 21:19 lx10001.nlb*
-rwxr-xr-x 1 root other 15130 Mar 23 21:19 lx1boot.nlb*
-rwxr-xr-x 1 root other 3161 Mar 23 21:19 lx20001.nlb*
-rwxr-xr-x 1 root other 8170 Mar 23 21:19 lx30001.nlb*
-rwxr-xr-x 1 root other 2516 Mar 23 21:19 lx40001.nlb*
Received on Tue Mar 24 1998 - 00:00:00 CST