Thrift：TNonblockingServer 链接错误 undefined reference to …… TNonblockingServer::serve

使用TNonblockingServer 时，如果遇到：

undefined reference to `apache::thrift::server::TNonblockingServer::serve()'
undefined reference to `apache::thrift::server::TNonblockingServer::~TNonblockingServer()'
undefined reference to `apache::thrift::server::TNonblockingServer::~TNonblockingServer()'

这种错误，是缺少  thriftnb.so 的库，在g++后加上 -lthriftnb

如果遇到：

/usr/local/lib/libthriftnb.so: undefined reference to `evhttp_free'
/usr/local/lib/libthriftnb.so: undefined reference to `evhttp_new'
/usr/local/lib/libthriftnb.so: undefined reference to `evbuffer_free'

是缺少libevent 的库，在g++后加上-levent