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ÌåÑéÒ»ÏÂlinuxϱàдºÍʹÓö¯Ì¬¿âÓ뾲̬¿â£¬·¶Àý£ºhelloworld³ÌÐò¡£
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hellos.h
 #ifndef _HELLO_S_H
#define _HELLO_S_H
void prints(char *str);
#endif
 
hellos.c
#include "hellos.h"
#include <stdio.h>
void prints(char *str)
{
printf("print in static way:%s",str);
}
 
¿ªÊ¼±àÒë³É¾²Ì¬¿â£º
gcc -c -o hellos.o hellos.c
ar cqs libhellos.a hellos.o
main.c
#include "hellos.h"
int main(void)
{
char *text = "hello,world\n";
prints(text);
}

ʹÓþ²Ì¬¿â±àÒ룺gcc -o hello main.c -static -L. -lhellos
È»ºóÔËÐÐhello,Êä³ö£º
print in static way: Hello World!
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libhellos.aºÍ
hellos.*ºó, ³ÌÐòÈÔÈ»Õý³£ÔËÐС£
±àд¶¯Ì¬¿â
£º
hellod.h
#ifndef _HELLO_D_H
#define _HELLO_D_H
void printd(char *str);
#endif

hellod.c
#include "hellod.h"
#include <stdio.h>
void printd(char *str)
{
printf("print in dynamic way:%s",str);
}

±àÒëÉú³É¶¯Ì¬¿â£ºgcc -shared -o libhellod.so hellod.c
ÕâÑù£¬libhellod.so¾ÍÊÇÉú³ÉµÄ¶¯Ì¬¿â¡£
export LD_LIBRARY_PATH=/root/program/link/dynamic/:$LD_LIBRARY_PATH£¬Ö¸¶¨¿âÎļþ·¾¶¡£
Èç¹ûϵͳװÁËSELINUXµÄ»°£¬ÒªÖ´ÐÐchcon -t textrel_shlib_t /root/program/link/dynamic/libhellod.so¸Ä±äȨÏÞ¡£
main.c
#include "hellod.h"
int main(void)
{
char *text = "hello,world\n";
printd(text);
}

gcc -o hello main.c -L./ -lhellod
È»ºóÔËÐÐhello¿ÉÒÔ¿´µ½Êä³ö
print in dynamic way: Hello World!
Èç¹ûɾ³ý¿âÎļþ£¬»á³öÏÖ£º./hello: error while loading shared libraries: libhellod.so: cannot open shared object file: No such file or directory


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