The source could be in httpd-2.2.x source tree.
The ./buildconf must be run again and the configure need at least:
./configure --enable-advertise

The source could build with a installed version of httpd-2-2.x:
sh buildconf
./configure --with-apache=apache_installation_directory.
make
The mod_advertise.so need to be copied to apache_installation_directory/modules

Configuration use something like the following in httpd.conf:
LoadModule advertise_module modules/mod_advertise.so
ServerAdvertise on
AdvertiseGroup 232.0.0.2
AdvertiseFrequency 30

Note default port is 23364.
