error when building caffe

[Bowen Kang]

I'm new to caffe and I'm trying to set up the environment on my Mac. I get the following error:

Can some one help me solve this? Thanks in advance!!!!

$ make all

CXX src/caffe/blob.cpp

In file included from src/caffe/blob.cpp:4:

In file included from ./include/caffe/blob.hpp:8:

./include/caffe/common.hpp:4:10: fatal error: 'boost/shared_ptr.hpp' file not found

#include <boost/shared_ptr.hpp>

         ^

1 error generated.

make: *** [.build_release/src/caffe/blob.o] Error 1