[Qt-interest] Qt newbie needs some help with Xcode
Karol Krizka
kkrizka at gmail.com
Fri May 29 15:53:14 CEST 2009
On Fri, 2009-05-29 at 15:46 +0200, Norman Rosner wrote:
> On 29.05.2009, at 15:30, Karol Krizka wrote:
>
> > Hi,
> >
> > I didn't read your full build log yet, but one thing came to mind
> > right
> > now. In your MainWindow class, do you call the Q_OBJECT macro?
>
> Yes because it inherits from QObject. Here's my MainWindow.h
>
Good, I just though you might have been missing it.
Um, did you implement the destructor (~MainWindow) somewhere? I don't
see it in the implantation you pasted and the error message just
complains about missing the vtable for it...
--
Cheers,
Karol Krizka
http://www.krizka.net
>
> #ifndef MAINWINDOW_H
> #define MAINWINDOW_H
>
> #include "ui_MainWindow.h"
>
> #include <QtGui/QMainWindow>
>
> class MainWindow : public QMainWindow, public Ui::MainWindow {
>
> Q_OBJECT
>
> public:
> MainWindow(QWidget *parent = 0);
> ~MainWindow();
>
> private slots:
>
> void on_processButton_clicked();
> };
>
>
> #endif
>
> and here is my simple MainWindow.cpp
>
> #include "MainWindow.h"
>
> #include <QtGui>
>
> #include <iostream>
>
> using namespace std;
>
> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
> setupUi(this);
> connect(processButton, SIGNAL(clicked()),
> SLOT(on_processButton_clicked()));
> }
>
> void MainWindow::on_processButton_clicked() {
> cout << "Button clicked!" << endl;
> }
>
>
>
>
> >
> >
> > --
> > Cheers,
> > Karol Krizka
> > http://www.krizka.net
> >
> > On Fri, 2009-05-29 at 15:18 +0200, Norman Rosner wrote:
> >> mbp:TextEditor jeckyll$ make clean
> >> rm -f moc_MainWindow.cpp
> >> rm -f ui_MainWindow.h
> >> rm -f main.o MainWindow.o moc_MainWindow.o
> >> rm -f *~ core *.core
> >>
> >> mbp:TextEditor jeckyll$ qmake -spec macx-g++
> >>
> >> mbp:TextEditor jeckyll$ make
> >> /Developer/Tools/Qt/uic MainWindow.ui -o ui_MainWindow.h
> >> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
> >> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
> >> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
> >> QtCore -
> >> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
> >> include/
> >> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o main.o
> >> main.cpp
> >> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
> >> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
> >> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
> >> QtCore -
> >> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
> >> include/
> >> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o
> >> MainWindow.o
> >> MainWindow.cpp
> >> /Developer/Tools/Qt/moc -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/
> >> usr/
> >> local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/Frameworks/
> >> QtCore.framework/Versions/4/Headers -I/usr/include/QtCore -I/Library/
> >> Frameworks/QtGui.framework/Versions/4/Headers -I/usr/include/QtGui -
> >> I/
> >> usr/include -I. -I. -I. -F/Library/Frameworks -D__APPLE__ -D__GNUC__
> >> MainWindow.h -o moc_MainWindow.cpp
> >> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
> >> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
> >> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
> >> QtCore -
> >> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
> >> include/
> >> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o
> >> moc_MainWindow.o moc_MainWindow.cpp
> >> g++ -headerpad_max_install_names -o TextEditor.app/Contents/MacOS/
> >> TextEditor main.o MainWindow.o moc_MainWindow.o -F/Library/
> >> Frameworks -L/Library/Frameworks -framework QtGui -framework Carbon -
> >> framework AppKit -framework QtCore -lz -lm -framework
> >> ApplicationServices
> >> Undefined symbols:
> >> "MainWindow::~MainWindow()", referenced from:
> >> vtable for MainWindowin moc_MainWindow.o
> >> "MainWindow::~MainWindow()", referenced from:
> >> vtable for MainWindowin moc_MainWindow.o
> >> "non-virtual thunk to MainWindow::~MainWindow()", referenced from:
> >> vtable for MainWindowin moc_MainWindow.o
> >> "non-virtual thunk to MainWindow::~MainWindow()", referenced from:
> >> vtable for MainWindowin moc_MainWindow.o
> >> ld: symbol(s) not found
> >> collect2: ld returned 1 exit status
> >> make: *** [TextEditor.app/Contents/MacOS/TextEditor] Error 1
> >>
> >> mbp:TextEditor jeckyll$ make clean
> >> rm -f moc_MainWindow.cpp
> >> rm -f ui_MainWindow.h
> >> rm -f main.o MainWindow.o moc_MainWindow.o
> >> rm -f *~ core *.core
> >>
> >> On 29.05.2009, at 15:15, Karol Krizka wrote:
> >>
> >>> On Fri, 2009-05-29 at 15:03 +0200, Norman Rosner wrote:
> >>>> After running
> >>>>
> >>>> qmake -spec macx-g++ && make the same errors occurred. Also with -
> >>>> spec
> >>>> macx-g++42. So what now? I'm clueless ;(
> >>>>
> >>> That's pretty weird, vtable errors almost 100% of the time mean that
> >>> you
> >>> just forgot to regenerate the Makefile by running qmake again. Can
> >>> you
> >>> post the entire output of:
> >>> make clean && make
> >>>
> >>> --
> >>> Cheers,
> >>> Karol Krizka
> >>> http://www.krizka.net
> >>>
> >>>> cheers,
> >>>>
> >>>> norman
> >>>> On 29.05.2009, at 14:42, Karol Krizka wrote:
> >>>>
> >>>>> On Fri, 2009-05-29 at 14:36 +0200, Norman Rosner wrote:
> >>>>>> Thanks for the quick answer. This is my project file:
> >>>>>>
> >>>>>> ######################################################################
> >>>>>> # Automatically generated by qmake (2.01a) Di Mai 26 17:42:20
> >>>>>> 2009
> >>>>>> ######################################################################
> >>>>>>
> >>>>>> TEMPLATE = app
> >>>>>> TARGET =
> >>>>>> DEPENDPATH += .
> >>>>>> INCLUDEPATH += /Users/jeckyll/studium/cpp/cpp2/TextEditor/. .
> >>>>>>
> >>>>>> # Input
> >>>>>> HEADERS += MainWindow.h
> >>>>>> FORMS += MainWindow.ui
> >>>>>> SOURCES += main.cpp MainWindow.cpp
> >>>>>>
> >>>>> Try compiling from Terminal. See if you get the same errors or
> >>>>> if it
> >>>>> is
> >>>>> something XCode specific.
> >>>>>
> >>>>> qmake -spec-gcc && make
> >>>>>
> >>>>>> It seems to me that all headers and sources are where they should
> >>>>>> be
> >>>>>> right?
> >>>>>> But it's not compiling. I get the same errors.
> >>>>>>
> >>>>>> On 29.05.2009, at 14:11, Karol Krizka wrote:
> >>>>>>
> >>>>>>> On Fri, 2009-05-29 at 14:00 +0200, Norman Rosner wrote:
> >>>>>>>> Hi folks,
> >>>>>>>>
> >>>>>>>> I'm stuck in a problem and I can't find a solution to it. I'm
> >>>>>>>> using
> >>>>>>>> the current version of Qt with Xcode. Here is what I did:
> >>>>>>>> In my Project Folder there's a main.cpp and i have set up a
> >>>>>>>> MainWindow.ui file.
> >>>>>>>>
> >>>>>>>> I set up a project using qmake -project in a folder.
> >>>>>>>> Then I ran qmake -spec mac-xcode
> >>>>>>>>
> >>>>>>>> Now when I start up the created Xcode project I created a new
> >>>>>>>> Class
> >>>>>>>> that inherits from Ui::MainWindow and QMainWindow in
> >>>>>>>> MainWindow.h
> >>>>>>>> and
> >>>>>>>> MainWindow.cpp.
> >>>>>>>>
> >>>>>>>> So now, when I run Build and Go I get errors like this one:
> >>>>>>>>
> >>>>>>>> "MainWindow::~MainWindow()", referenced from:
> >>>>>>>> vtable for MainWindowin moc_MainWindow.o
> >>>>>>>>
> >>>>>>>> I think it has something to do with moc and compiling
> >>>>>>>> MainWindow.ui
> >>>>>>>>
> >>>>>>>> So what am I doing wrong?
> >>>>>>>>
> >>>>>>>> Do i always have to run qmake -spec macx-xcode when I added new
> >>>>>>>> files?
> >>>>>>>>
> >>>>>>> I'm pretty sure you have to run that everytime you add new
> >>>>>>> files.
> >>>>>>> The
> >>>>>>> command only generates the initial XCode Project, but it does
> >>>>>>> not
> >>>>>>> updated it after you add new classes. Also make sure that
> >>>>>>> your .pro
> >>>>>>> file
> >>>>>>> has the headers for the new class.
> >>>>>>>
> >>>>>>> HEADERS += MainWindow.h
> >>>>>>> SOURCES += main.cpp MainWindow.cpp
> >>>>>>>
> >>>>>>>> I looked into two books about Qt but i didn't find the answer.
> >>>>>>>>
> >>>>>>>> Would be nice to get some help from somebody who works with
> >>>>>>>> Xcode
> >>>>>>>> and
> >>>>>>>> Qt too.
> >>>>>>>
> >>>>>
> >>>>> --
> >>>>> Cheers,
> >>>>> Karol Krizka
> >>>>> http://www.krizka.net
> >>>>>
> >>>>
> >>>> _______________________________________________
> >>>> Qt-interest mailing list
> >>>> Qt-interest at trolltech.com
> >>>> http://lists.trolltech.com/mailman/listinfo/qt-interest
> >>>
> >>
> >> _______________________________________________
> >> Qt-interest mailing list
> >> Qt-interest at trolltech.com
> >> http://lists.trolltech.com/mailman/listinfo/qt-interest
> >
>
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