How to compile a project with multiple versions of sdk?

Some projects in development will require the specified sdk version, otherwise errors will occur due to some outdated APIs. If these functions that require a specified version of the sdk are separated into a component, compiled with the old version of the sdk, and then applied to the application of the new version of the sdk, is this feasible? The answer is no.

Is any one can tell me the solution?

This may be possible but it’s not something I recommend. I’d like to dig into this:

Some projects in development will require the specified sdk version, otherwise errors will occur due to some outdated APIs.

What APIs? And what platform are you targeting? And what version of that platform?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

How to compile a project with multiple versions of sdk?
 
 
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