QtCreator on Windows to Cross Compile for Linux ARM with CodeSourcery Toolchain

I have Qt Creator installed on my Windows 7 machine and my target is an OMAP3 Embedded Linux board. I downloaded the target toolchain, Sourcery-G++ Lite for Windows, and also installed MinGW ( http://www.mingw.org/ ) on my Windows Machine. In QT Creator I added the CodeSourcery toolchain as a 'Manual' toolchain as shown in the image below. Then, I tried to build the demo Qt App 'analogclock' using this toolchain by editing 'Build Settings' under 'Projects' for the 'analogclock' demo app. But the toolchain is not available here under Build Settings as shown in the second image.

How can I achieve building this demo app, or any Qt app, from Qt Creator using the Code Sourcery Toolchain in the Build Options? I absolutely must use Windows to accomplish this ( cannot use Linux VM... ).

I believe it may have to do with building the Qt library for the target but am not sure if that is true or how to do that on Windows. I greatly appreciate your help and insight.

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