Problem Building Qt C++ Examples

alexander · wrote on 2 Dec 2010, 20:25

blex, yes, path to libs

JoDi · wrote on 3 Dec 2010, 07:32

Thanks all for your replies. Unfortunatly, it didn't help me any further.

I wanted to evaluate Qt, and given the fact that after a default installation on XP I can't build the included examples is a bit frustrating and definatly not what I expected. So currently thumbs down on Qt, but I don't give up yet!

In the environment settings, I've added C:\Qt\2010.05\qt\bin to the PATH. Further I noticed that in Projects -> Run settings one can make also change the build, clean and environment settings, but I am not sure what to look for here what could be wrong...

Any further help appreciated.

blex · wrote on 3 Dec 2010, 07:45

Please look at option

@
-L”c:Program FilesSQLXML 4.0bin”
@

in your output. I think it is a forum bug that no back-slash are present. It contains space in the directory name. Try to remove this path - I do not know where your environment got it.

blex · wrote on 3 Dec 2010, 07:49

I have just compile you example using QtCreator but from build 2010.01

Instead of make try the IDE:

open project in QtCreator,
select the proper version of Qt (Tools - Options - Qt4 - Qt Versions - Default Qt version): in your case it should be c:\qt\2010.05\qt\bin\qmake.exe
Build - Run qmake
Build - Run

JoDi · wrote on 3 Dec 2010, 08:31

Hi Blex,

Thanks! It was indeed related to the environment setting for lib ”c:\Program Files\SQLXML 4.0\bin”.

Once I removed it from the environment settings I was able to build an run the examples.

Thumps up again!

blex · wrote on 3 Dec 2010, 08:37

So, the resolution: Never use spaces in path to library files.

kamalakshantv · wrote on 3 Dec 2010, 12:25

Just noticed the topic header. If you can correct it - its Qt and not QT(Quick Time)

osiris2600 · wrote on 15 Dec 2010, 03:55

I'm having the exact same problem and I cannot figure it out for the life of me. I went as far as to put the lib directory into the system path and I am still unable to compile the example applications.

Below is the compile output. I was able to get it to compile once. Then I took the lib dir out of the path to make sure that was the solution and I haven't been able to get it to compile since. I have no idea whats wrong and I'm pretty disappointed that the default installation does not work. Any help would be appreciated.

_Running build steps for project animatedtiles...
Configuration unchanged, skipping qmake step.
Starting: "C:/Qt4/2010.05/mingw/bin/mingw32-make.exe" -w
mingw32-make: Entering directory `C:/Qt4/2010.05/qt/examples/animation/animatedtiles'

C:/Qt4/2010.05/mingw/bin/mingw32-make -f Makefile.Debug all

mingw32-make[1]: Entering directory `C:/Qt4/2010.05/qt/examples/animation/animatedtiles'

g++ -enable-stdcall-fixup -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -mthreads -Wl -Wl,-subsystem,windows -o debug\animatedtiles.exe tmp/obj/debug_shared/main.o tmp/obj/debug_shared/qrc_animatedtiles.o -L"c:\Qt4\2010.05\qt\lib" -L"C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Lib" -L"c:\Qt4\2010.05\qt\lib" -lmingw32 -lqtmaind -lQtGuid4 -lQtCored4

mingw32-make[1]: Leaving directory `C:/Qt4/2010.05/qt/examples/animation/animatedtiles'

mingw32-make: Leaving directory `C:/Qt4/2010.05/qt/examples/animation/animatedtiles'

tmp/obj/debug_shared/main.o: In function `Z5qMainiPPc':

C:\Qt4\2010.05\qt\examples\animation\animatedtiles/main.cpp:136: undefined reference to `imp___ZN12QApplicationC1ERiPPci'_

JoDi · wrote on 15 Dec 2010, 06:42

The problem appears to be caused by the lib C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Lib\

Please check your system properties -> Environment settings on your Windows machine. Likely there is a variable with name LIB listed and which has the value C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Lib. Delete this entry and try again to run qmake and to rebuild the application.

This was what caused my problem as well.

osiris2600 · wrote on 15 Dec 2010, 13:07

Thanks, that got me a bit futher but then i ran into another known problem -> http://bugreports.qt.nokia.com/browse/QTCREATORBUG-1889

I was eventually able to get past this but why hasn't this been bug resolved? Should I reopen this bug? This is experience does not leave a good impression especially as a first time user.