Hi,
I am working on a FC2 PC.When I tried to run a qt program,It is giving lot of errors.
Everything is fine with the program.Infact it is a small program.Then I installed qt 3.3 from net.
Even now it is giving errors like undefined reference to QGlist::~QGlist.
Can Anybody tell me how to get rid of this problem.
Or
Any other resource(in windows) to do QT.
thank you.

Please post the commands that you are using to compile the program. Have you specified -lqt on the command-line?

If so, try adding the directory where libqt.so (or libqt-mt.so) resides to your LD_PATH environment variable then re-running to make sure that the system can find the file.

Thank you very much for your response.

I am using the following commands.

1. qmake -project
2. qmake
3. make

I didn't understand what is "-lqt"
Please knidly explain how to do this?

libqt.so is present in LD_PATH directory.
thank you.

PS:Please help .I am in desprate need of qt.

Its a linker flag telling g++ to link the executable with the libqt shared library. qmake adds these for you, so I wouldn't worry about it.
Try running make clean in the directory with the Qt project file and then running make again.

Which version of Qt did you originally write your program with? Undefined symbols mean the definitions of the functions you use in your program are not found in the library you're linking to. If your program used to work fine with an older version of Qt but not with 3.3, then I'd suspect that the functions that now cause the "undefined symbols" error are not supported by the latest version of Qt anymore.

That kind of problem is usually caught when you re-link your program with the new version of the library (Qt in this case). Did you not get any such errors at that time?

I've just checked; QGlist seems to have been dropped somewhere between 2.2.0 and 3.3.1. This usually means that there's now a more efficient way of doing the same thing that you should be using instead. (If you upgrade Qt by one minor version at a time, you can expect to get depracation warnings a version before any class or method is dropped. )

You might want to look at the porting.html file in the documentation directory, which gives some advice on how to upgrade from one version to another.

I am using qt-3.3 version.
I have downloaded new rpms from net.
Now when I tried to uninstall the rpms ( using rpm -e qt-3.3.2-2 command),It is giving
Error-failed dependencies.
libqt-mt.so.3 is needed by (installed) arts-1.2.2-2
libqt-mt.so.3 is needed by (installed) chromium-0.9.12-25
libqt-mt.so.3 is needed by (installed) kdelibs-3.2.2-4
libqt-mt.so.3 is needed by (installed) kdebase-3.2.2-4
libqt-mt.so.3 is needed by (installed) kdepim-3.2.2-2
libqt-mt.so.3 is needed by (installed) koffice-1.3-6
libqt-mt.so.3 is needed by (installed) k3b-0.11.9-3
libqt-mt.so.3 is needed by (installed) kdemultimedia-3.2.2-2
libqt-mt.so.3 is needed by (installed) kdegames-3.2.2-1
libqt-mt.so.3 is needed by (installed) kdegraphics-3.2.2-1
libqt-mt.so.3 is needed by (installed) quanta-3.2.2-1
libqt-mt.so.3 is needed by (installed) kdeartwork-3.2.2-1
libqt-mt.so.3 is needed by (installed) kdeutils-3.2.2-3
libqt-mt.so.3 is needed by (installed) kdeadmin-3.2.2-2
libqt-mt.so.3 is needed by (installed) kdeaddons-3.2.2-1
libqt-mt.so.3 is needed by (installed) kdenetwork-3.2.2-1

Plz tell me how Can reinstall qt by removing the existing one.
thank you.

You can't unless you uninstall the entire KDE 3.2.2 too. All KDE components rely upon Qt. IMO the easiest path would be to replace the unsupported function(s) with the supported ones and rebuild your application with Qt 3.3.2.

I forgot write .
It is notonly giving undefined reference to QGlist but also "undefined reference to QPushButton"
and "QString".
thank you.

Did you read rjlee's and my replies above?

Here's the porting documentation he referred to:

http://doc.trolltech.com/3.2/porting.html

Like I said, you most probably have to rewrite some portions of your application. Let me repeat my question again... which version of Qt did you originally write it with?