C++版本使用CMakeLists.txt编译（不同目录多个源文件）可执行文件

C++版本使用CMakeLists.txt编译（不同目录多个源文件）可执行文件


[root@localhost CMakeLists3]# ls
Add  CMakeLists.txt  main.cpp  Subtract
[root@localhost CMakeLists3]# ls Add
Add.cpp  Add.h  CMakeLists.txt
[root@localhost CMakeLists3]# ls Subtract/
CMakeLists.txt  Subtract.cpp  Subtract.h
[root@localhost CMakeLists3]# 


# 1.创建C++代码
[root@localhost CMakeLists3]# cat main.cpp 
/*!
* Copyright (c) 2020,ZYF.
* All Rights Reserved.
*
* \file main.cpp
* \brief C++版本使用CMakeLists.txt编译（同目录多个源文件）可执行文件
*
* \author ZYF
* \date 2020/7/11 10:58:42
* \version 1.0.0
*/

#include <stdio.h>
#include <iostream>
#include "Add/Add.h"
#include "Subtract/Subtract.h"

int main(int argc, char* argv[])
{
int nA = 5;
int nB = 3;

int nAdd = Add(nA, nB);
printf("%d+%d=%d\n", nA, nB, nAdd);

int nSubtract = Subtract(nA, nB);
printf("%d-%d=%d\n", nA, nB, nSubtract);

return 1;
}
[root@localhost CMakeLists3]# cat Add/Add.h
/*!
* Copyright (c) 2020,ZYF.
* All Rights Reserved.
*
* \file Add.h
* \brief 加法类声明
*
* \author ZYF
* \date 2020/7/11 23:28:20
* \version 1.0.0
*/

#include <iostream>
using namespace std;