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    QtCreator vs. Xcode

    Installation and Deployment
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    • B
      basil_fawlty last edited by

      First of all:
      I am a complete newbie in Qt. I have developed an OpenGL-Project, which should now contain a nice GUI. Thats why I am trying to learn Qt.

      I have installed the Qt SDK. I have no problems at all to run the opengl-examples in QtCreator. Now I wanted to integrate Qt in Xcode. I have tried the same example. I have integrated all headers. In the code are no errors, but I get these messages, when push "Build and Run".

      @
      ld: warning: in /Developer/QtSDK/Simulator/Qt/gcc/lib/QtOpenGL.framework/QtOpenGL, file was built for unsupported file format which is not the architecture being linked (i386)
      Undefined symbols:
      "GLWidget::yRotationChanged(int)", referenced from:
      GLWidget::setYRotation(int) in glwidget.o
      "QString::free(QString::Data*)", referenced from:
      QString::~QString()in window.o
      "QWidget::~QWidget()", referenced from:
      Window::Window()in window.o
      Window::~Window()in main.o
      "QWidget::close()", referenced from:
      Window::keyPressEvent(QKeyEvent*) in window.o
      "QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType)", referenced from:
      Window::Window()in window.o
      "QWidget::setWindowTitle(QString const&)", referenced from:
      Window::Window()in window.o
      "QMetaObject::tr(char const*, char const*) const", referenced from:
      Window::tr(char const*, char const*)in window.o
      "QGLWidget::qglClearColor(QColor const&) const", referenced from:
      GLWidget::initializeGL() in glwidget.o
      "vtable for Window", referenced from:
      __ZTV6Window$non_lazy_ptr in window.o
      __ZTV6Window$non_lazy_ptr in main.o
      (maybe you meant: __ZTV6Window$non_lazy_ptr)
      "QHBoxLayout::QHBoxLayout()", referenced from:
      Window::Window()in window.o
      "QWidget::sizeHint() const", referenced from:
      _main in main.o
      "QColor::dark(int) const", referenced from:
      GLWidget::initializeGL() in glwidget.o
      "GLWidget::zRotationChanged(int)", referenced from:
      GLWidget::setZRotation(int) in glwidget.o
      "QAbstractSlider::setSingleStep(int)", referenced from:
      Window::createSlider() in window.o
      "QWidget::QWidget(QWidget*, QFlagsQt::WindowType)", referenced from:
      Window::Window()in window.o
      "vtable for GLWidget", referenced from:
      __ZTV8GLWidget$non_lazy_ptr in glwidget.o
      (maybe you meant: __ZTV8GLWidget$non_lazy_ptr)
      "qFlagLocation(char const*)", referenced from:
      Window::Window()in window.o
      "QWidget::resize(QSize const&)", referenced from:
      _main in main.o
      "QColor::operator=(QColor const&)", referenced from:
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QAbstractSlider::setValue(int)", referenced from:
      Window::Window()in window.o
      "QSlider::setTickPosition(QSlider::TickPosition)", referenced from:
      Window::createSlider() in window.o
      "QSlider::QSlider(Qt::Orientation, QWidget*)", referenced from:
      Window::createSlider() in window.o
      "QAbstractSlider::setRange(int, int)", referenced from:
      Window::createSlider() in window.o
      "QtLogo::setColor(QColor)", referenced from:
      GLWidget::initializeGL() in glwidget.o
      "QtLogo::QtLogo(QObject*, int, double)", referenced from:
      GLWidget::initializeGL() in glwidget.o
      "QApplication::desktop()", referenced from:
      _main in main.o
      "Window::staticMetaObject", referenced from:
      __ZN6Window16staticMetaObjectE$non_lazy_ptr in window.o
      (maybe you meant: __ZN6Window16staticMetaObjectE$non_lazy_ptr)
      "QColor::fromCmykF(double, double, double, double, double)", referenced from:
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QAbstractSlider::setPageStep(int)", referenced from:
      Window::createSlider() in window.o
      "QGLFormat::~QGLFormat()", referenced from:
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QWidget::showMaximized()", referenced from:
      _main in main.o
      "GLWidget::xRotationChanged(int)", referenced from:
      GLWidget::setXRotation(int) in glwidget.o
      "QApplication::QApplication(int&, char**, int)", referenced from:
      _main in main.o
      "QGLFormat::QGLFormat(QFlagsQGL::FormatOption, int)", referenced from:
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QSlider::setTickInterval(int)", referenced from:
      Window::createSlider() in window.o
      "QApplication::exec()", referenced from:
      _main in main.o
      "QWidget::setLayout(QLayout*)", referenced from:
      Window::Window()in window.o
      "QGLWidget::~QGLWidget()", referenced from:
      GLWidget::~GLWidget()in glwidget.o
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QWidget::keyPressEvent(QKeyEvent*)", referenced from:
      Window::keyPressEvent(QKeyEvent*) in window.o
      "QApplication::~QApplication()", referenced from:
      _main in main.o
      "QtLogo::draw() const", referenced from:
      GLWidget::paintGL() in glwidget.o
      "QColor::invalidate()", referenced from:
      QColor::QColor()in glwidget.o
      "QGLWidget::QGLWidget(QGLFormat const&, QWidget*, QGLWidget const*, QFlagsQt::WindowType)", referenced from:
      GLWidget::GLWidget(QWidget*)in glwidget.o
      "QWidget::show()", referenced from:
      _main in main.o
      "QBoxLayout::addWidget(QWidget*, int, QFlagsQt::AlignmentFlag)", referenced from:
      Window::Window()in window.o
      ld: symbol(s) not found
      collect2: ld returned 1 exit status
      @

      Now my questions:

      Is it possible that I get this message, because I am not using qmake.

      I have tried use qmake and pasted into the terminal the following line: qmake -spec macx-xcode project.pro

      but i only get the message qmake: command not found

      Is it adviseable to use QtCreator instead of Xcode? Is it possible to compile every opengl code with qt?

      1 Reply Last reply Reply Quote 0
      • G
        gedd last edited by

        I never had used xCode but it seems that it is a lib path problem.
        Try to indicate to xCode the path to the Qt libraries

        Gedd

        1 Reply Last reply Reply Quote 0
        • G
          goetz last edited by

          You will have to add at least QtCore and QtGui (and maybe some more) to the list of used frameworks in XCode.

          Regarding your qmake problem: You will have to call it by its full path. I don't know where it is located in the SDK. I'd try

          @
          mdfind -name qmake | grep bin
          @

          on the command line.

          http://www.catb.org/~esr/faqs/smart-questions.html

          1 Reply Last reply Reply Quote 1
          • B
            basil_fawlty last edited by

            Thanks for your answers: Somehow this qmake isnt working. My qmake file can be found here: /Developer/QtSDK/Simulator/Qt/gcc/bin/qmake

            Then I have typed in: /Developer/QtSDK/Simulator/Qt/gcc/bin/qmake -project -o /Developer/QtSDK/Examples/4.7/opengl/untitled

            Nothing happens!

            My biggest question right now is how to create this .pro-file. Because its not working with me.

            Thanks in Advance

            1 Reply Last reply Reply Quote 0
            • G
              goetz last edited by

              The argument to "-o" is the .pro file you want to create. It's unlikely that the path you provided is what you want :)

              So, go to a terminal and type:

              @
              cd /path/to/your/source
              /Developer/QtSDK/Simulator/Qt/gcc/bin/qmake -spec macx-xcode project.pro
              open project.xcodeproj
              @

              Regarding your 3rd question: yes that's possible and easy. Both XCode and Qt Creator just call gcc behind the scenes.

              [fixed strikethrouh error, Volker]

              http://www.catb.org/~esr/faqs/smart-questions.html

              1 Reply Last reply Reply Quote 0
              • B
                basil_fawlty last edited by

                Thank you it worked....

                1 Reply Last reply Reply Quote 0
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