cmake最简用法

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最新推荐文章于 2025-01-06 13:36:39 发布

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安装cmake

sudo apt-get install cmake

测试源码文件

#include<stdio.h>
int main(void)
{
    printf("hello world");
    return 0;
}

创建CMakeLists.txt

CMAKE_MINIMUM_REQUIRED(VERSION 2.8)     #指定最小的版本号
PROJECT(HELLOWORLD)                     #工程名
AUX_SOURCE_DIRECTORY(. SRC_LIST)        #源码目录下所有源码文件指定一个别名SRC_LIST
ADD_EXECUTABLE(hello ${SRC_LIST})       #指定生成目标

cmake中内置命令是不区分大小写的。

创建一个编译目录build，cmake之后make，就能编译出可执行文件

test@ubuntu:~/testcmake$ mkdir build
test@ubuntu:~/testcmake$ cd build
test@ubuntu:~/testcmake/build$ cmake ..
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/test/testcmake/build
test@ubuntu:~/testcmake/build$ ll
total 36
drwxrwxr-x 3 test test  4096 Jul 21 07:36 ./
drwxrwxr-x 3 test test  4096 Jul 21 07:36 ../
-rw-rw-r-- 1 test test 10704 Jul 21 07:36 CMakeCache.txt
drwxrwxr-x 6 test test  4096 Jul 21 07:36 CMakeFiles/
-rw-rw-r-- 1 test test  1582 Jul 21 07:36 cmake_install.cmake
-rw-rw-r-- 1 test test  4493 Jul 21 07:36 Makefile
test@ubuntu:~/testcmake/build$ make
Scanning dependencies of target hello
[100%] Building C object CMakeFiles/hello.dir/main.c.o
Linking C executable hello
[100%] Built target hello
test@ubuntu:~/testcmake/build$ ll
total 48
drwxrwxr-x 3 test test  4096 Jul 21 07:37 ./
drwxrwxr-x 3 test test  4096 Jul 21 07:36 ../
-rw-rw-r-- 1 test test 10704 Jul 21 07:36 CMakeCache.txt
drwxrwxr-x 6 test test  4096 Jul 21 07:37 CMakeFiles/
-rw-rw-r-- 1 test test  1582 Jul 21 07:36 cmake_install.cmake
-rwxrwxr-x 1 test test  8378 Jul 21 07:37 hello*
-rw-rw-r-- 1 test test  4493 Jul 21 07:36 Makefile
test@ubuntu:~/testcmake/build$ ./hello 
hello world