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  1. #1

    Member Since
    Mar 25, 2014
    compilation problem on Qt c++ on mac os x 10.8.5

    I need to write some code for an application that uses a camera with ethernet connection. The company who made the camera has provided include files to read images from the camera. The files are : ImageLib.h , PvApi.h and PvRegIo.h and some librarie files libImagelib.a and libPvAPI.a and libPvAPI.dylib libPvJNI.dylib
    I put the librarie files in /opt/local/lib/. I put the include files in /opt/local/include/

    In the other hand, company provided some *.cpp examples that contains makefile for compilation. I compile some example and they worked perfectly.
    Now, I decide to compile one example provided by the company to list the connected cameras called ListCamerasProsilicaII.cpp.
    I create a new project on QT and just I copied the code of ListCameras.cpp.
    My is like this:

    QT += core

    QT -= gui

    TARGET = ListCamerasProsilicaII
    CONFIG += console
    CONFIG -= app_bundle

    TEMPLATE = app

    SOURCES += main.cpp

    LIBS+= -lPvAPI
    LIBS+= -lPvJNI
    DEFINES += _x64 _OSX

    I compiled and I generate the executable file but when I try to execute file from Qt, I got this error:

    dyld: Symbol not found: __cg_jpeg_resync_to_restart
    Referenced from: /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
    Expected in: /opt/local/lib/libJPEG.dylib
    in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO

    Any help please?
    Last edited by phdstudent; 03-27-2014 at 11:36 PM.

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