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1£® ´´½¨Ä¿Â¼
 mkdir –p test/sub
2£® ÔÚ×ÓĿ¼sub/ϱàдhello.cºÍhello.h
 /*****hello.c*****/
 #include <stdio.h>
 #include “hello.h”
 void hello()
 {
 printf(“Hello!\n”);
 }
 
 /*****hello.h*****/
 #include <stdio.h>
 void hello();
3£® ±àÒëÁ´½Ó/´ò°ü
 gcc –c hello.c –o hello.o
 ar cqs libhello.a hello.o
4£® ÔÚÖ÷Ŀ¼test/ϱàдmain.c
 #include <stdio.h>
 #include “sub/hello.h”
 int main()
 {
 hello();
 retrun 0;
 }
5£® ±àÒëÁ´½Ó
 gcc –c main.c –o main.o
 gcc main.o –o main.exe –L “sub/” –lhello          #dynamically linked (uses shared libs)
 »ògcc main.o –o main.exe –static –L “sub/” –lhello  # statically linked
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