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I have some difficulties with QT, which I need for school for some GUI applications.

I have recently done these steps:

1) mingw-get-inst-20120426.exefrom SourceForge installed to C:\MinGW\ with default settings.

2) Qt libraries 4.8.4 for Windows (minGW 4.4, 317 MB) from QT Project installed to C:\Qt\ with default settings. Here an error occurs:

    !!!There is a problem with your MinQW instalation
    !!!g++ not found in c:\MinGW\bin\
    !!!Do you still want to continue? Yes

I checked c:\MinGW\bin\ there is no such file

3) Qt Creator 2.6.0 for Windows (51 MB)also from QT installed to C:\Qt\gtcreator-2.6.0 with default settings

4) Run the QT IDE

5) Open project or create new project. Another error occurs here

!!!No valid kits fond.

Qt Creator uses the invalid kit Desktop to parse the project.

6) Open Options->Build & Run->Kits (But I don't know how should I set Kits and where to find them).

7) Can you also help me, how to set Qt version (Options->Buid&Run->Qt Version)? Where do I find qmake.exe?

I also didn't find how to create GUI Application. There is no such option in New File or Project...

Thanks for help.

Corey Adler
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Barbora Vyskocilova
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3 Answers3

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That is quite tricky ;)

Precompiled Qt (MinGW) is only win32 (not win64).

Precompiled Qt is compiled with MinGW-g++ 4.4 and won't work with other.

You have to download this one: http://get.qt.nokia.com/misc/MinGW-gcc440_1.zip

//// Edit: With this version of MinGW, gdb won't work (it's not python-enabled). Although QtSDK is depracted (and you won't find it on qt-project.org), I highly recommend downloading this online installer and, during the selection of components mark only MinGW. It will come with folder named "pythongdb".

http://www.developer.nokia.com/info/sw.nokia.com/id/da8df288-e615-443d-be5c-00c8a72435f8/Qt_SDK.html (You may need to register. It's free.) ////

Add "Compiler" by g++.exe

Add "Qt Version" by qmake.exe.

Add "Kit" with Compiler and Qt Version configured above. You can try to change debugger from CDB to GDB.

cubuspl42
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When you installed mingw, did you select the C++ compiler? It is not selected by default but you need it. Re-run the wizard and select that.

The kit is not valid because the C++ compiler cannot be found: try to install it first. If you still cannot setup this read the manual: http://doc-snapshot.qt-project.org/qtcreator-2.6/creator-targets.html. It is very complete.

qmake.exe is in *qt_directory*/bin/qmake.exe.

Luca Carlon
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Try this out:

http://sourceforge.net/projects/mingw-w64/ (Since the mingw-w64 project on sourceforge.net is moving to mingw-w64.org i suggest to use mingw-w64.org)

It works for me.

POQDavid
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Adan
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