[mod-security-users] Problems compiling mod_security on debian 3.1

[Tim K. <tim...@gm...>]

Problems compiling mod_security on debian 3.1 (SARGE) Linux debian 
2.6.8-2-386
Server version: Apache/2.0.54
Server built:   Sep  5 2005 11:15:09

Compiled in modules:
 core.c
 mod_access.c
 mod_auth.c
 mod_log_config.c
 mod_logio.c
 mod_env.c
 mod_setenvif.c
 prefork.c
 http_core.c
 mod_mime.c
 mod_status.c
 mod_autoindex.c
 mod_negotiation.c
 mod_dir.c
 mod_alias.c
 mod_so.c

I get this error:

debian:~/modsecurity-apache-1.9.1/apache2# apxs2 -cai mod_security.c
/usr/bin/libtool --silent --mode=compile gcc -prefer-pic -pipe 
-I/usr/include/xmltok -I/usr/include/openssl -Wall -O2 
-DAP_HAVE_DESIGNATED_INITIALIZER -DLINUX=2 -D_REENTRANT 
-D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_SVID_SOURCE -D_GNU_SOURCE -pipe 
-I/usr/include/xmltok -I/usr/include/openssl -Wall -O2 -pthread 
-I/usr/include/apache2  -I/usr/include/apr-0   -I/usr/include/apr-0 
-I/usr/include  -c -o mod_security.lo mod_security.c && touch 
mod_security.slo
mod_security.c:353: error: syntax error before "regex_t"
mod_security.c:353: warning: no semicolon at end of struct or union
mod_security.c:374: error: syntax error before '}' token
mod_security.c:374: warning: type defaults to `int' in declaration of 
`signature'
mod_security.c:374: warning: data definition has no type or storage class
mod_security.c:419: error: syntax error before "regex_t"
mod_security.c:419: warning: no semicolon at end of struct or union
mod_security.c:462: error: syntax error before '}' token
mod_security.c:633: error: syntax error before "signature"
mod_security.c:644: error: syntax error before "signature"
mod_security.c:645: error: syntax error before "signature"
mod_security.c:682: error: syntax error before "signature"
mod_security.c:683: error: syntax error before "signature"
mod_security.c:698: error: syntax error before "signature"
mod_security.c:1059: error: syntax error before "signature"
................................................ (cut a lot of error lines)
mod_security.c:7732: error: dereferencing pointer to incomplete type
mod_security.c:7800: error: dereferencing pointer to incomplete type
mod_security.c:7809: error: dereferencing pointer to incomplete type
mod_security.c:7809: error: dereferencing pointer to incomplete type
mod_security.c: In function `sec_insert_filter':
mod_security.c:7940: error: dereferencing pointer to incomplete type
apxs:Error: Command failed with rc=65536

Not sure what to do, got this error also on a clean install in VMWARE 
session.
Installed apache2-dev