CMake Cookbook

Getting ready

We start with a simple hello world example (hello-world.cpp):

#include <cstdlib>#include <iostream>#include <string>const std::string cmake_system_name = SYSTEM_NAME;int main() {  std::cout << "Hello from " << cmake_system_name << std::endl;  return EXIT_SUCCESS;}

We will also use the unchanged CMakeLists.txt from the previous recipe:

# set minimum cmake versioncmake_minimum_required(VERSION 3.5 FATAL_ERROR)# project name and languageproject(recipe-01 LANGUAGES CXX)set(CMAKE_CXX_STANDARD 11)set(CMAKE_CXX_EXTENSIONS OFF)set(CMAKE_CXX_STANDARD_REQUIRED ON)include(GNUInstallDirs)set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY  ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}) ...