XCode can't find base SDK

Question

XCode 3.2.3 Beta does not allow building for below 3.2.

I opened a project that was made in an earlier XCode. For some reason, the base SDK is reported as missing even after changing it to 4.0. Other projects from earlier XCode do not have this issue.

What can I do?

Answer 1

If you can't choose the SDK at the top left of x-code you have to first set the base SDK in the project settings. Project -> Edit Project Settings. Then choose the "General" tab. At the bottom you can choose "Base SDK for all Configurations:"

Answer 2

Happy to hear it worked!

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Editing the .pbxproj in your .xcodeproj might help. In the XCBuildConfiguration section there are values for SDKROOT.