set(example_SRCS tls_client_example.c ) IF(MSVC) set_source_files_properties(${example_SRCS} PROPERTIES LANGUAGE CXX) ENDIF(MSVC) configure_file(client1-key.pem client1-key.pem COPYONLY) configure_file(client1.cer client1.cer COPYONLY) configure_file(root.cer root.cer COPYONLY) add_executable(tls_client_example ${example_SRCS} ) target_link_libraries(tls_client_example iec61850 )