Compiling Error for eosio-cpp for ridl_token contract

[SheldonHH]

trying to re-compile ridl_token.wast by using eosio-cpp version 1.1.1
eosio-cpp -o ridl_token.wast ridl_token.cpp

In file included from ridl_token.cpp:1:
In file included from ./ridl_token.hpp:3:
In file included from /usr/local/eosio.wasmsdk/bin/../include/eosiolib/asset.hpp:2:
/usr/local/eosio.wasmsdk/bin/../include/eosiolib/serialize.hpp:1:10: fatal error:
      'boost/preprocessor/seq/for_each.hpp' file not found
#include <boost/preprocessor/seq/for_each.hpp>
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.