[Boost-users] newbie question: missing libs ?

After building Boost 1.31.0 on Linux and on Irix, I expected to see a smart pointer library, something like libboost_smart_ptr-gcc-mt.so If fact, it looks like only date_time, filesystem, prg_exec, regex, signals, test_exec_monitor, thread, and unit_test_framework were built. I didn't see any error messages. Did I do something wrong? Thanks, Randy