[Linux] gcc 动态编译

[root@74-82-173-217 shared]# cat add.c 
int add (int x, int y) { 
return x + y; 
}

[root@74-82-173-217 shared]# cat print.c 
#include <stdio.h> 
void print (int x) { 
printf ("%d\n",x); 
}

[root@74-82-173-217 shared]# cat head.h 
#ifndf HEAD_H 
#define HEAD_H 
int add (int ,int); 
void print (int); 
#endif

[root@74-82-173-217 shared]# cat main.c 
#include <stdio.h> 
#include "head.h" 
int main () { 
int x = add(3, 5); 
print(x); 
}

[root@74-82-173-217 shared]# ldd main 
linux-gate.so.1 => (0x0070c000) 
libd.so => not found 
libc.so.6 => /lib/i686/nosegneg/libc.so.6 (0x0050e000) 
/lib/ld-linux.so.2 (0x00ea6000)