no longer correct since update to libevent 1.x; it now uses libtool and
generates a shlib.
Remove the offending bl3 line, and bump all dependents' PKGREVISIONs, since
the binary pkg changes for any OS that doesn't have a sufficient builtin
libevent version (or the package has requested a non-builtin version).
memcached is a high-performance, distributed memory object caching
system, generic in nature, but intended for use in speeding up dynamic
web applications by alleviating database load.