#include "ev++.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
ev::io io;
class MyClass
{
public:
MyClass() {}
~MyClass() {}
public:
void stdin_cb(ev::io &io, int revents)
{
puts("stdin ready");
io.stop();
}
};
int main(int argc, char *argv[])
{
MyClass my_class;
ev::dynamic_loop loop;
io.set<MyClass, &MyClass::stdin_cb>(&my_class);
io.set(0, EV_READ);
//io.set(loop);
//loop.run();
return 0;
}
gcc -g -std=c++11 -L../libs -lev -Wl,-rpath,../libs -I../deps/libev test.cpp -o
test
I got these error when I compiled this program. If you have free time please
answer me why I got these error. Thank you...
/tmp/ccPE4ERN.o：在函数‘ev::bad_loop::bad_loop()’中：
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:121：对‘std::runtime_error::runtime_error(char
const*)’未定义的引用
/tmp/ccPE4ERN.o：在函数‘ev::dynamic_loop::dynamic_loop(unsigned int)’中：
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359：对‘__cxa_allocate_exception’未定义的引用
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359：对‘__cxa_throw’未定义的引用
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359：对‘__cxa_free_exception’未定义的引用
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:355：对‘__cxa_call_unexpected’未定义的引用
/tmp/ccPE4ERN.o：在函数‘ev::dynamic_loop::~dynamic_loop()’中：
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:362：对‘__cxa_call_unexpected’未定义的引用
/tmp/ccPE4ERN.o:(.rodata._ZTVN2ev8bad_loopE[_ZTVN2ev8bad_loopE]+0x20)：对‘std::runtime_error::what()
const’未定义的引用
/tmp/ccPE4ERN.o：在函数‘ev::bad_loop::~bad_loop()’中：
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:114：对‘std::runtime_error::~runtime_error()’未定义的引用
/tmp/ccPE4ERN.o：在函数‘ev::bad_loop::~bad_loop()’中：
/home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:114：对‘operator
delete(void*)’未定义的引用
/tmp/ccPE4ERN.o:(.rodata._ZTIN2ev8bad_loopE[_ZTIN2ev8bad_loopE]+0x0)：对‘vtable
for __cxxabiv1::__si_class_type_info’未定义的引用
/tmp/ccPE4ERN.o:(.rodata._ZTIN2ev8bad_loopE[_ZTIN2ev8bad_loopE]+0x10)：对‘typeinfo
for std::runtime_error’未定义的引用
/tmp/ccPE4ERN.o:(.eh_frame+0x8b)：对‘__gxx_personality_v0’未定义的引用
collect2: error: ld returned 1 exit status
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