boost library, hardtolink&compile, plz help

[eric lin]

Dear Jonathan or any g++ programers:
  after reading your email hint, I goto my download and extracted directory
/boost1_46_1/  directory
and then run
./bootstrap.sh

I don't know whether that is what you mean about ((install boost library) and (if it is where is boost library go))

then after that I run your suggest command in my cppcookbook/ directory which contain my example program about using boost lib's thread

this is what I do and get
------------------------
eric@eric-laptop:~/cppcookbook$ g++ -I/home/eric/boost1/boost_1_46_1/ example12-1.cpp  -L/home/eric/boost1/boost_1_46_1/boost/   -lboost_thread-mt
/usr/bin/ld: cannot find -lboost_thread-mt
collect2: ld returned 1 exit status
eric@eric-laptop:~/cppcookbook$ 

-----------------------------------
would you please tell me what is

boost_thread-mt

mean?

if that is a file, I indeed hard to find it in my /boost_1_46_1/  directory

thanks your help a lot, but still not solve
Eric