Full error message


/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:89: undefined reference to `jpeg_std_error'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:90: undefined reference to `jpeg_CreateDecompress'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:91: undefined reference to `jpeg_stdio_src'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:92: undefined reference to `jpeg_read_header'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:98: undefined reference to `jpeg_destroy_decompress'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:102: undefined reference to `jpeg_start_decompress'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:111: undefined reference to `jpeg_read_scanlines'

/MyProject/../../../boost_1_42_0/boost/gil/extension/io/jpeg_io_private.hpp:115: undefined reference to `jpeg_finish_decompress'

:-1: error: collect2: ld returned 1 exit status

Cause

IDE: Qt Creator 1.3.1

Project type: Qt4 Console Application

Selected required modules: QtCore

Compiler: G++ 4.4.1

Boost version: 1.42.0

Additional libraries: jpeg-8a from the Independent JPEG Group

The following source code was used:


#include <boost/gil/gil_all.hpp>

#include <boost/gil/extension/io/jpeg_io.hpp>



int main()

{

  using namespace boost::gil;

  rgb8_image_t img;

  jpeg_read_image("test.jpg",img);

}

The following project file was used:


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

#

# Project created by QtCreator 2010-05-02T08:31:54

#

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

QT       -= gui

TARGET = MyProject

CONFIG   += console

CONFIG   -= app_bundle

INCLUDEPATH += ../../../boost_1_42_0 ../../../jpeg-8a

TEMPLATE = app

SOURCES += main.cpp

Solution

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


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

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

Go back to Richel Bilderbeek's homepage.

(C++) Undefined reference to 'jpeg_std_error'

Full error message

Cause

Solution