“Base SDK Missing” after installing to Xcode 4

Hello after开发者_如何学Go installing xcode 4 preview 5 I've tried to build a project created with Xcode 3.2.3. Unfortunately an error message is displayed:

Missing SDK: There is no SDK with the name or path '/User/Me/Desktop/Project/IPhone4.0'

any idea to fix it?

thanks a lot

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Agreed with Kristopher Jhonson. That should work.

Ref: "Base SDK Missing" after upgrading to Xcode 3.2.5

Project->Edit Project Settings->Build->Base SDK->Latest SDK (4.2)
Project->Edit Project Settings->Build->iOS Target Deployment->iOS 4.2

Project->Edit Active Target (myTarget)->Base SDK->Latest SDK (4.2)
Project->Edit Active Target (myTarget)->iOS Target Deployment->iOS 4.2

And, If you still have problems:

Click the box that says base SDK missing, and select:

Simulator -> Debug

That should do it."

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These are due to inappropriate Base SDK selection for Project. Follow these steps to resolve it :

1. Select Project
2. Build Setting
3. Base SDK -> Latest iOS SDK