undefined reference to 'Bockchain::Blockchain()'

[sourajeetmohanty]

ide used : codeblocks

[Sivaprasath05]

how to recover this issue

[cloudlakecho]

@sourajeetmohanty Have you tried "g++" compiler instead of "gcc". For example, g++ -std=c++11 main.cpp Block.cpp Blockchain.cpp sha256.cpp -o TestChain?

I also don't see entire error message. It would be helpful if you paste entire error message instead of screenshot.