Build Instructions:

curl -O ftp://ftp.proftpd.org/distrib/source/proftpd-1.2.8.tar.gz
gunzip proftpd-1.2.8.tar.gz
tar -xvf proftpd-1.2.8.tar
cd proftpd-1.2.8/

./configure --with-modules=mod_sql:mod_sql_mysql \
--with-includes=/usr/include/mysql \
--with-libraries=/usr/lib/mysql

make
make install