I did OpenSSL setup referencing How to install OpenSSL 1.1.1 and libSSL package? on windows subsystem Ubuntu 18.04. Writing CPP file in which using OpenSSL files:

#include <cstring> #include <string> #include <cmath> #include <openssl/bn.h>

When compile, It is giving me an error:

fatal error: 'openssl/bn.h' file not found

If I check, this file exists in /usr/include/openssl/ and /opt/openssl/include/openssl. New to such errors, please help.

Edit:

I am writing a EOSIO smart contract in which I am including the above file. And when compiling using:

eosio-cpp catcatshamir.cpp -o catcatshamir.abi

Getting the above errors. EOS files are stored here /usr/opt/ and no errors for included header files from here.

1 Answer

I think you are probably missing libssl-dev.

 sudo apt-get install libssl-dev
3

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