can we use Qt(64) to produce an application that will work on both 32bit windows and 64bit windows?

Question

http://qt-project.org/downloads . I downloaded the openGL since many say this set standard is better. but now i got requirement from my prof that I need to provide something that can work on windows 32/64. Is there any way that i do not have to install Qt for windows 32 and produce an application that can be run on windows 32?

what I am saying is that I only installed Qt for win64 but now I want something can work on win32 platform. so I suppose one way is to install Qt for win32 and create a new project. But I want to ask whether I can maybe do some configuration and produce something that can work on win32 using the installed Qt on win64 on my com

thanks!

Answer 1

1. For Windows Vista and up, there's no reason not to use the ANGLE implementation of OpenGL that's bundled with Qt. "many say tis set standard is better" - this is false unless you can guarantee that your customers have a decent OpenGL-supporting graphics card driver installed on their machine. I'd suggest forgetting about system OpenGL, and use ANGLE implementations.

2. It's trivial to compile your project for both 32 and 64 bit Qt, if you really need the 64 bit address space. For many applications, there's no reason at all to provide a 64 bit version.

Answer 2

No, you can't do it directly. The only way to launch 64-bit applications on 32-bit Windows is to use emulators and virtual machines, for instance VMWare. But it reduces the application performance.