Mac OS X users should download the cross-platform version of POPFile and unzip to your Library directory. An excellent write up of Mac OS X installation is here.
In addition, you will have to install latest BerkeleyDB from sleepycat.com.
LIB = /usr/local/BerkeleyDB.4.1/lib
instead of
LIB = /usr/local/BerkeleyDB/lib
Should you find anything in the documentation that is incomplete, unclear, outdated or just plain wrong, please let us know and leave a note in the Documentation Forum.