-We use the Smart Pointer library. Most systems already have the boost
-libraries available. In the unlikely event that yours doesn't,
-download the source and follow the build instructions. They're
-different from the normal ./configure && make
+(6) The Boost C++ Libraries (1.35 or later) http://www.boost.org
+
+We use Smart Pointers, the thread library and a bunch of other boost stuff.
+If your system doesn't have boost 1.35 or later, see README.building-boost
+for additional info. (Note: Mac OSX systems require 1.37 or later.)