[Qt-interest] Qt 4.5.3 and target architecture mismatch

[Joshua Senecal]

Hi All,

Using the Nokia-provided binary installer (.exe) I recently installed Qt 
on a new machine for development, and I can't get any code using Qt to 
compile. Not even a simple "Hello, World"-type app.

The Microsoft compiler (I'm using Visual Studio Standard 2008) is giving 
me this error:

QtCored4.lib(QtCored4.dll) : fatal error LNK1112: module machine type 
'X86' conflicts with target machine type 'x64'

I've done the usual search, on Microsoft's sites and elsewhere, and my 
understanding is the message is telling me that I've essentially got an 
architecture mispatch: the library was compiled for one architecture, 
the code for another.

The problem is the operating system *is* 32-bit (Server 2008), so there 
shouldn't be anything targeting x64. The configuration settings show the 
platform as Win32. The property at Properties->linker->advanced->Target 
Machine is "Not Set" but if I set it to x86, I get the following error:

.\Debug\main.obj : fatal error LNK1112: module machine type 'x64' 
conflicts with target machine type 'X86'.

Is this a configuration issue with Qt, or with the Microsoft 
compiler/project settings? Can anyone offer any pointers on how to fix 
it?

Thanks!

-Josh Senecal