[Samba] Errors compiling samba 3.0.23a

[intel Man]

Hello to all:

When I compile samba 3.0.23a it shows me errors, some of these they are:

auth/auth_script.po(.text+0x21b): undefined reference to `safe_strcat_fn'
auth/auth_script.po(.text+0x240): undefined reference to `safe_strcat_fn'
auth/auth_script.po(.text+0x2aa): more undefined references to 
`safe_strcat_fn'
follow
auth/auth_script.po: In function `script_check_user_credentials':
auth/auth_script.po(.text+0x37a): undefined reference to `DEBUGLEVEL_CLASS'
auth/auth_script.po(.text+0x388): undefined reference to 
`DEBUGLEVEL_CLASS_ISSET
'
auth/auth_script.po(.text+0x3bd): undefined reference to `dbghdr'
auth/auth_script.po(.text+0x3dd): undefined reference to `dbgtext'
auth/auth_script.po(.text+0x3ef): undefined reference to `smbrunsecret'
auth/auth_script.po(.text+0x40c): undefined reference to `DEBUGLEVEL_CLASS'
auth/auth_script.po(.text+0x41a): undefined reference to 
`DEBUGLEVEL_CLASS_ISSET
'
auth/auth_script.po(.text+0x44f): undefined reference to `dbghdr'
auth/auth_script.po(.text+0x472): undefined reference to `dbgtext'
auth/auth_script.po: In function `auth_init_script':
auth/auth_script.po(.text+0x4c2): undefined reference to `make_auth_methods'
auth/auth_script.po(.text+0x50d): undefined reference to `load_auth_module'
auth/auth_script.po: In function `init_module':
auth/auth_script.po(.text+0x56e): undefined reference to `smb_register_auth'

[root at mail source]# uname -a
Linux mail.copiservice.com.pe 2.4.9-34enterprise #1 SMP Sat Jun 1 06:05:54 
EDT 2002 i686 unknown

My server: Linux Red Hat 7.2

Is this normal?

Thanx

Luis
Lima-Peru