include_directories( . ) set(example_SRCS tls_client.c ) IF(WIN32) set_source_files_properties(${example_SRCS} PROPERTIES LANGUAGE CXX) ENDIF(WIN32) configure_file(client1-key.pem client1-key.pem COPYONLY) configure_file(client1.cer client1.cer COPYONLY) configure_file(root.cer root.cer COPYONLY) configure_file(server.cer server.cer COPYONLY) add_executable(tls_client ${example_SRCS} ) target_link_libraries(tls_client lib60870 )