CMake Cookbook

Getting ready

Let us go back to our very first example. However, instead of having one single source file for the executable, we will now introduce a class to wrap the message to be printed out to screen. This is our updated hello-world.cpp:

#include "Message.hpp"  #include <cstdlib>#include <iostream>int main() {  Message say_hello("Hello, CMake World!");  std::cout << say_hello << std::endl;  Message say_goodbye("Goodbye, CMake World");  std::cout << say_goodbye << std::endl;  return EXIT_SUCCESS;}

The Message class wraps a string, provides an overload for the << operator, and consists of two source files: the Message.hpp header file and the corresponding Message.cpp source file. The Message.hpp interface file contains the following:

#pragma ...