? ? ? ? ? ? ? 靜態鏈接庫：編譯時就完成鏈接過程,文件名擴展名為.a

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[xxx@localhost staticLibrary]$ ls main.c test.c test.h [mapan@localhost staticLibrary]$ ls main.c test.c test.h [xxx@localhost staticLibrary]$ cat main.c #include<stdio.h> #include"test.h"int main() {int num=test(2,3);printf("num=%d\n",num);return 0; } [xxx@localhost staticLibrary]$ cat test.c #include"test.h"int test(int a,int b) { return a*b; } [xxx@localhost staticLibrary]$ cat test.h int test(int a,int b);[xxx@localhost staticLibrary]$

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再看：

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[xxx@localhost staticLibrary]$ gcc -c test.c [xxx@localhost staticLibrary]$ ls main.c test.c test.h test.o [xxx@localhost staticLibrary]$ ar cr libtest.a test.o [xxx@localhost staticLibrary]$ ls libtest.a main.c test.c test.h test.o [xxx@localhost staticLibrary]$

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調用靜態庫：

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[xxx@localhost staticLibrary]$ gcc main.c -L. -ltest [xxx@localhost staticLibrary]$ ls a.out libtest.a main.c test.c test.h test.o [xxx@localhost staticLibrary]$ ./a.out num=6 [xxx@localhost staticLibrary]$

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查看庫信息：

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[xxx@localhost staticLibrary]$ ar tv libtest.a rw-rw-r-- 511/511 1240 Jul 26 19:52 2017 test.o [xxx@localhost staticLibrary]$

一個靜態鏈接庫可以由多個.o文件組成。

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總結

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