main.c

#include <stdio.h>
#include "staticlib.h"
int main(void)
{
	printf("静态库链接示例: %d\n",foo(41));
	return 0;
}

Makefile

.PHONY:all staticlib main clean

all: staticlib main

staticlib:
	gcc -c staticlib.c -o staticlib.o
	ar -r staticlib.a staticlib.o

main:
	gcc main.c staticlib.a

clean:
	rm -f *.a *.o a.out

staticlib.c

#include "staticlib.h"
int foo(int a)
{
	return ++a;
}

staticlib.h

//filename: staticlib.h
//最简单的库函数演示头文件.
#ifndef STATICLIB_H
#define STATICLIB_H

int foo(int a);

#endif