[c/c++] linux c生成静态库&共享库 - bluefrog - 博客园

谁践踏了优雅 2022-03-27 08:06 158阅读 0赞

[\[c/c++\] linux c生成静态库&共享库 - bluefrog - 博客园][c_c_ linux c_ - bluefrog -]

> ## [\[c/c++\] linux c生成静态库&共享库][c_c_ linux c_ - bluefrog -] ##
> 
> **静态库**
> 
> libdemo.h
> 
> ![复制代码][copycode.gif]
> 
>     1 // libdemo.h
>     2 #ifndef _LIBDEMO_H
>     3 #define _LIBDEMO_H
>     4
>     5 void demo_call(char *msg);
>     6
>     7 #endif
> 
> ![复制代码][copycode.gif]
> 
> libdemo.c
> 
> ![复制代码][copycode.gif]
> 
>     1 // libdemo.c
>     2 #include "libdemo.h"
>     3 #include <stdio.h>
>     4
>     5 void demo_call(char *msg)
>     6 {
>     7     printf("%s\n",msg);
>     8 }
> 
> ![复制代码][copycode.gif]
> 
> 编译库文件
> 
>     # 编辑成目标文件
>     gcc -c libdemo.c -o libdemo.o
>     # 创建存档文件
>     ar rcs libdemo.a libdemo.o
> 
> 测试文件testdemo.c
> 
> ![复制代码][copycode.gif]
> 
>     1 #include "libdemo.h"
>     2
>     3 int main()
>     4 {
>     5     demo_call("hello");
>     6     return 0;
>     7 }
> 
> ![复制代码][copycode.gif]
> 
>     gcc testdemo.c -o testdemo -static -L. -ldemo
>     ./testdemo
> 
> **共享库**
> 
> ![复制代码][copycode.gif]
> 
>     gcc -fPIC -g -c libdemo.c -o libdemo.o
>     gcc -g -shared -WL,-soname,libdemo.so -o libdemo.so.1.0.0 libdemo.o -lc
>     ln -s libdemo.so.1.0.0 libdemo.so
>     gcc testdemo.c -o -L. -ldemo
>     # 为了能让./testdemo执行需要将.so 加入到库里
>     export LD_LIBRARY_PATH=$(pwd)
>     ./testdemo
> 
> ![复制代码][copycode.gif]
> 
> think in coding

[c_c_ linux c_ - bluefrog -]: http://www.cnblogs.com/bluefrog/archive/2012/05/31/2527206.html
[copycode.gif]: /images/20220327/f1108317073f405ab7331b2e62c592dd.png