UNIX 공유객체(shared object) 만들기

#include <cstdio>
using namespace std;

extern "C"
{
extern void hello(void);
}

void
hello(void)
{
    printf("void hello(void);\n");
}

g++ -c -fPIC hello.cpp
g++ -shared -lc -o hello.so hello.o

#include <dlfcn.h>
void (*func)(void);

int
main(int,char**)
{
    void* handle(dlopen("./hello.so", RTLD_LAZY));
    func = (void (*)(void))dlsym(handle,"hello");
    func();
    return 0;
}

g++ -o dltest dltest.cpp -ldl

원본 위치: http://purewell.egloos.com/3177776