6.自己也能实现make install

前戏:

之前的makefile已经不能满足了,因为已经引入了动态链接库。修改一下,顺便实现下make install这个命令

正文:

以之前功能为例,主要做了如下操作

1、生成libme.so 文件

2、利用这个so文件,编译可执行程序shenyi

3、把libme.so拷贝到/lib或/usr/lib中

4 、执行ldconfig 更新缓存

?

Makefile

fatsnake:fatsnake.c libme.so

????gcc -L /root -l me fatsnake.c -o fatsnake

libme.so:me.c

????gcc -shared me.c -o libme.so

install:

????cp /root/libme.so /usr/lib

????ldconfig

?

ps:

1.当你输入install命令时会执行其下的命令

2.执行时不会按照编写顺序,而是编译时根据查找依赖的顺序

命令:

  1. rm 文件名 代表删除文件

    rm libme.so

    ?

  2. rm -f 文件名 代表不提示删除文件

    rm -f libme.so

    ?

  3. 命令1 && 命令2

前者执行成功,则会执行第二个命令

Make && make install

?

尾声:

略懂 make install是个什么鬼了!可以安心睡觉了

时间: 2024-10-11 01:39:59

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