问ndnSIM安装失败的=> cryptoPP已存在，但无法使用。

EN

Setting top to                           : /home/juhyun-park/다운로드/ndnSIM/ns-3/src/ndnSIM/ndn-cxx 
Setting out to                           : /home/juhyun-park/다운로드/ndnSIM/ns-3/src/ndnSIM/ndn-cxx/build 
Building static library                  : no 
Building shared library                  : yes 
Checking for 'g++' (C++ compiler)        : /usr/bin/g++ 
Checking supported CXXFLAGS              : -std=c++11 
Checking supported CXXFLAGS              : -pedantic -Wall -O2 -g 
Checking for program 'doxygen'           : /usr/bin/doxygen 
Checking for program 'tar'               : /bin/tar 
Checking for program 'sphinx-build'      : /usr/bin/sphinx-build 
Checking for std::is_default_constructible : yes 
Checking for std::is_nothrow_move_constructible : yes 
Checking for std::is_nothrow_move_assignable    : yes 
Checking for friend typename-specifier          : yes 
Checking for override and final specifiers      : yes 
Checking for std::vector::insert with const_iterators : no 
Checking for program 'sh'                             : /bin/sh 
Checking for library pthread                          : yes 
Checking for library rt                               : yes 
Checking for function getpass                         : yes 
Checking for rtnetlink                                : yes 
Checking for program 'pkg-config'                     : /usr/bin/pkg-config 
Checking for 'sqlite3'                                : yes 
Checking Crypto++ lib                                 : 561 
Checking if CryptoPP library works                    : no 
Checking if CryptoPP library works                    : no 
CryptoPP is present, but is not usable
(complete log in /home/juhyun-park/다운로드/ndnSIM/ns-3/src/ndnSIM/ndn-cxx/build/config.log)