/usr/local/apache2/bin/apxs -cia mod_security.c
/usr/local/apache2/build/libtool --silent --mode=compile gcc -prefer-pic   -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -g -O2 -pthread -I/usr/local/apache2/include  -I/usr/local/apache2/include   -I/usr/local/apache2/include -I/usr/local/include  -c -o mod_security.lo mod_security.c && touch mod_security.slo
mod_security.c: In function `is_response_status_relevant':
mod_security.c:4905: error: `REG_NOMATCH' undeclared (first use in this function)
mod_security.c:4905: error: (Each undeclared identifier is reported only once
mod_security.c:4905: error: for each function it appears in.)
apxs:Error: Command failed with rc=65536