Full error message


/MyFolder/main.o:: In function '__static_initialization_and_destruction_0':

/usr/include/boost/system/error_code.hpp:205: error: undefined reference to 'boost::system::get_system_category()'

/usr/include/boost/system/error_code.hpp:206: error: undefined reference to 'boost::system::get_generic_category()'

/usr/include/boost/system/error_code.hpp:211: error: undefined reference to 'boost::system::get_generic_category()'

/usr/include/boost/system/error_code.hpp:212: error: undefined reference to 'boost::system::get_generic_category()'

/usr/include/boost/system/error_code.hpp:213: error: undefined reference to 'boost::system::get_system_category()'

/MyFolder/main.o:: In function 'boost::asio::error::get_system_category()':

/usr/include/boost/asio/error.hpp:218: error: undefined reference to 'boost::system::get_system_category()'

:: error: collect2: ld returned 1 exit status

Cause

IDE: Qt Creator 1.2.0

Project type: Qt4 Console Application

Compiler: G++ 4.4.1

Libraries used:

Boost: version 1.40

The following source code was used:


#include <boost/asio.hpp>



int main()

{

  boost::asio::io_service io_service;

}

The following project file was used:


#-------------------------------------------------

#

# Project created by QtCreator 2010-07-21T19:37:18

#

#-------------------------------------------------

QT       += core

QT       -= gui

TARGET = MyTarget

CONFIG   += console

CONFIG   -= app_bundle

TEMPLATE = app

SOURCES += main.cpp

Solution

You need to link against the Asio library. Add the following line to your project file:


LIBS += -L/usr/local/lib -lboost_system

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.

(C++) undefined reference to 'boost::system::get_system_category()'

Full error message

Cause

Solution