Text archives Help

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Alark Joshi <alark1@gmail.com> writes:
> Hello,
> 
> I have downloaded and installed Qt 4.6.3 SDK for Windows from
> http://qt.nokia.com/downloads/.

We don't support the SDK, only building from source.

Not that you won't be able to get it to work, just that we're not
experienced here and will be little help ;)

There's a .bat to compile from source under Scripts/.

Also note that Qt 4.7 is out.

> When I tried to Build the Visual Studio Project after 'qmake
> -recursive', it keeps looking for QtOpenGL.lib, QtGui.lib, whereas
> the library files that come with Qt 4.5.x onwards have a '4' appended
> to the library name. So QtOpenGL.lib is now QtOpenGL4.lib and so on.
> Similary, qjpeg.lib is now qjpeg4.lib.

If you want to use the sdk, you should make sure to delete all our
distributed .sln and .vcproj files before you run `qmake'.  I would
*hope* that version of the Qt SDK would build QtOpenGL4.lib/dll as well
as have its qmake look for QtOpenGL4.lib/dll.  If not, would you mind
filing a bug w/ Qt [1]?

> I went through every project and fixed the library names to look for
> Qt*4.lib, but when I ask it to look for qjpeg4.lib, it gives me the
> following error.
> 
> Creating library Build\ImageVis3D.lib and object Build\ImageVis3D.exp
> 2>main.obj : error LNK2001: unresolved external symbol "class QObject
> * __cdecl qt_plugin_instance_qjpeg(void)"

We expect the JPEG, PNG, TIFF, etc. libraries to be statically linked
in to Qt, which it is not if you're using the binary SDK.  Try defining
QT_SHARED in all your project files and rebuilding everything.

-tom

[1] http://bugreports.qt.nokia.com/secure/Dashboard.jspa

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• [IV3D-USERS] Building imagevis on Vista 32-bit with Qt 4.6.3, Alark Joshi, 09/29/2010
  • [IV3D-USERS] Re: Building imagevis on Vista 32-bit with Qt 4.6.3, tom fogal, 09/29/2010
    • [IV3D-USERS] Re: Re: Building imagevis on Vista 32-bit with Qt 4.6.3, Jens Krueger, 09/29/2010

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