mpd_security 2.5.4 설치중의 에러메세지

mpd_security 2.5.4 설치를 위해 소스를 다운받아 압축을 풀고 설치 명령을 내렸더니

아래와 같은 메세지가 나옵니다.

어떤 문제인지 좀 알려주시기를 부탁드립니다.

서버의 아파치 버젼은 2.2.8입니다.

/apache2/modsecurity.c
/usr/local/apache/build/libtool --silent --mode=compile gcc -prefer-pic   -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -g -O2 -pthread -I/usr/local/apache/include  -I/usr/local/apache/include   -I/usr/local/apache/include   -c -o /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.lo /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.c && touch /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.slo
In file included from /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.h:44,
                 from /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.c:15:
/usr/local/src/modsecurity-apache_2.5.4/apache2/msc_xml.h:17:31: error: libxml/xmlschemas.h: No such file or directory
/usr/local/src/modsecurity-apache_2.5.4/apache2/msc_xml.h:18:26: error: libxml/xpath.h: No such file or directory
In file included from /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.h:44,
                 from /usr/local/src/modsecurity-apache_2.5.4/apache2/modsecurity.c:15:
/usr/local/src/modsecurity-apache_2.5.4/apache2/msc_xml.h:23: error: expected specifier-qualifier-list before 'xmlSAXHandler'