Linux cmake高级用法

目录结构
[email protected]:~/test$ tree
.
├── build
├── CMakeLists.txt
├── include
│   └── hello.h
├── main.cpp
└── src

    └── hello.cpp

文件内容

[email protected]:~/test$ cat include/hello.h 
#pragma once

void printHello();

[email protected]:~/test$ cat src/hello.cpp 
#include <iostream>
#include "hello.h"
using namespace std;

void printHello()
{
	cout << "hello" << endl;
}

[email protected]:~/test$ cat main.cpp 
#include "hello.h"

int main(int argc, char **argv) 
{
	printHello();
	return 0;
}

[email protected]:~/test$ cat CMakeLists.txt 
# 工程名
project(testCMake)
# 包含头文件目录
include_directories("include")
# 生成库 libTest
add_library(libTest src/hello.cpp)
#生成可执行文件test
add_executable(test main.cpp)
# 链接库 libTest
target_link_libraries(test libTest)

编译

[email protected]:~/test$ cd build/
[email protected]:~/test/build$ ls
[email protected]:~/test/build$ 
[email protected]:~/test/build$ cmake ..
[email protected]:~/test/build$ ls
CMakeCache.txt  CMakeFiles  cmake_install.cmake  Makefile
[email protected]:~/test/build$ make 
Scanning dependencies of target libTest
[ 50%] Building CXX object CMakeFiles/libTest.dir/src/hello.o
Linking CXX static library liblibTest.a
[ 50%] Built target libTest
Scanning dependencies of target test
[100%] Building CXX object CMakeFiles/test.dir/main.o
Linking CXX executable test
[100%] Built target test
[email protected]:~/test/build$ ./test 
hello
[email protected]:~/test/build$