编译 代码示例--echo-server后出错

[jievince]

/tmp/ccrj5xT1.o: In function main::{lambda()#1}::operator()() const': me.cpp:(.text+0xbd): undefined reference to handy::EventBase::exit()'
/tmp/ccrj5xT1.o: In function main::{lambda(std::shared_ptr<handy::TcpConn> const&)#2}::operator()(std::shared_ptr<handy::TcpConn> const&) const': me.cpp:(.text+0xff): undefined reference to handy::TcpConn::send(handy::Buffer&)'
/tmp/ccrj5xT1.o: In function main': me.cpp:(.text+0x136): undefined reference to handy::EventBase::EventBase(int)'
me.cpp:(.text+0x166): undefined reference to handy::Signal::signal(int, std::function<void ()> const&)' me.cpp:(.text+0x1bd): undefined reference to handy::TcpServer::startServer(handy::EventBases*, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, unsigned short, bool)'
me.cpp:(.text+0x1f2): undefined reference to handy::Logger::getLogger()' me.cpp:(.text+0x223): undefined reference to handy::Logger::getLogger()'
me.cpp:(.text+0x24f): undefined reference to handy::Logger::logv(int, char const*, int, char const*, char const*, ...)' me.cpp:(.text+0x2ab): undefined reference to handy::EventBase::loop()'
me.cpp:(.text+0x2c9): undefined reference to handy::EventBase::~EventBase()' me.cpp:(.text+0x33d): undefined reference to handy::EventBase::~EventBase()'
collect2: error: ld returned 1 exit status

[jovany-wang]

能给出你的环境和配置吗？