我正在尝试使用以下命令配置apache：
./configure --prefix=/opt/nms/app/apache --with-apr=/home/kvanapal/httpd-2.4.20/srclib/apr --with-apr-util=/home/kvanapal/httpd-2.4.20/srclib/apr-util/apu--config --enable-mods-shared=all --with-ldap --with-included-apr --with-included-apr-util --enable-ldap
在此之后，我正在运行make命令，这会在结束时出现以下错误：
server/.libs/libmain.a(exports.o):(.data+0x3f0): undefined reference to `apr_ldap_url_parse' server/.libs/libmain.a(exports.o):(.data+0x3f8): undefined reference to `apr_ldap_url_parse_ext' server/.libs/libmain.a(exports.o):(.data+0x400): undefined reference to `apr_ldap_is_ldapi_url' server/.libs/libmain.a(exports.o):(.data+0x408): undefined reference to `apr_ldap_is_ldaps_url' server/.libs/libmain.a(exports.o):(.data+0x410): undefined reference to `apr_ldap_is_ldap_url' server/.libs/libmain.a(exports.o):(.data+0x418): undefined reference to `apr_ldap_rebind_remove' server/.libs/libmain.a(exports.o):(.data+0x420): undefined reference to `apr_ldap_rebind_add' server/.libs/libmain.a(exports.o):(.data+0x428): undefined reference to `apr_ldap_rebind_init' server/.libs/libmain.a(exports.o):(.data+0x430): undefined reference to `apr_ldap_set_option' server/.libs/libmain.a(exports.o):(.data+0x438): undefined reference to `apr_ldap_get_option' server/.libs/libmain.a(exports.o):(.data+0x440): undefined reference to `apr_ldap_info' server/.libs/libmain.a(exports.o):(.data+0x448): undefined reference to `apr_ldap_init' server/.libs/libmain.a(exports.o):(.data+0x450): undefined reference to `apr_ldap_ssl_deinit' server/.libs/libmain.a(exports.o):(.data+0x458): undefined reference to `apr_ldap_ssl_init' collect2: error: ld returned 1 exit status make[1]: *** [httpd] Error 1
可能导致此问题的原因是什么？