APR library version 1.2.7 and HTTPD library version is 2.2.3.

Any suggestions? thanks


        -lpthread -lcrypt ../mod_security/nginx/modsecurity/../../standalone/.libs/standalone.a -L/usr/local/apr/lib -lapr-1 -L/usr/local/apr/lib -laprutil-1 -lpcre -lxml2 -lz -lm -ldl -lpcre -lcrypto -lcrypto -lz
../mod_security/nginx/modsecurity/../../standalone/.libs/standalone.a(standalone_la-mod_security2.o): In function `hook_post_config':
/home/vagrant/mod_security/standalone/../apache2/mod_security2.c:641: undefined reference to `ap_get_server_version'
../mod_security/nginx/modsecurity/../../standalone/.libs/standalone.a(standalone_la-mod_security2.o): In function `change_server_signature':
/home/vagrant/mod_security/standalone/../apache2/mod_security2.c:542: undefined reference to `ap_get_server_version'
/home/vagrant/mod_security/standalone/../apache2/mod_security2.c:563: undefined reference to `ap_get_server_version'
../mod_security/nginx/modsecurity/../../standalone/.libs/standalone.a(standalone_la-msc_crypt.o): In function `inject_hashed_response_body':
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1079: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1110: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1122: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1132: undefined reference to `xmlOutputBufferGetContent'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1135: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1081: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1093: undefined reference to `xmlOutputBufferGetSize'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1103: undefined reference to `xmlOutputBufferGetContent'
/home/vagrant/mod_security/standalone/../apache2/msc_crypt.c:1106: undefined reference to `xmlOutputBufferGetSize'