Xcode : How to add support OS 3.0 in XCode 3.2.3

Is there any way to detect the SDK prior to 3.1.3 in the 开发者_如何学Clatest XCode that is 3.2.3.

Looking for answers.

Thank You.

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If you haven't found it already, here is a good article on how to set it up

http://cocoawithlove.com/2010/07/tips-tricks-for-conditional-ios3-ios32.html