Whew! It's working now. It's a lot easier, in fact, if one follows the docs at /packages/openfts-driver/www/doc/INSTALL...
The only thing I needed to alter was the configure statement:
./configure --with-aolserver-src=/usr/local/src/aolserver-3.3-ad13-nsvhr/aolserver/ --with-tcl=/usr/lib
Thanks to everyone involved and Neophytos who helped me via email!