Need help installing the CpryptoPP library on Ubuntu 16.04?

Question

C++ / C#

I installed everything as written on the official website according to the manual.
but when copying in netbins, it gives such errors

build/Debug/GNU-Linux/Crypto.o: In function `CryptoPP::Base64Decoder::Base64Decoder(CryptoPP::BufferedTransformation*)':
/usr/include/crypto++/base64.h:66: undefined reference to `vtable for CryptoPP::Base64Decoder'
/usr/include/crypto++/base64.h:66: undefined reference to `vtable for CryptoPP::Base64Decoder'
build/Debug/GNU-Linux/Crypto.o: In function `CryptoPP::TF_ES<CryptoPP::OAEP<CryptoPP::SHA1, CryptoPP::P1363_MGF1>, CryptoPP::RSA, int>::StaticAlgorithmName[abi:cxx11]()':
/usr/include/crypto++/pubkey.h:2165: undefined reference to `CryptoPP::OAEP<CryptoPP::SHA1, CryptoPP::P1363_MGF1>::StaticAlgorithmName[abi:cxx11]()'