Question 68836 in IOS Swift Question posted in
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Only run code if on a certain version of Xcode – Ios swift

I’m making a library that uses the variants variable of AVAsset. That’s less important; the significant part is that it has an Xcode 13+ requirement. This library may be used by apps running Xcode 12. Is there a compiler flag that can run code only if on a certain version of Xcode?

Something like how you would do this for a Swift version:

#if swift(>=5.0)
   // code
#else
   // code
#endif

I’d want to do

#if xcode(>=13.0)

   // use variants

#endif
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3

Answers


  1. Chosen as BEST ANSWER
    0

    I found that #if compiler(>=5.5) works here. Note, this is different than if swift(>=5.5), which will not necessarily work depending on the swift version you have set in your project.


  2. 0

    From what I know, there’s no way of directly checking the Xcode version. However, Xcode 13 supports iOS 15, Xcode 12 doesn’t. You can use that as a workaround to check if Xcode version is 13 or higher.

    #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 150000 // iOS 15 or greater
// Xcode 12 will not see this code.
#else
// Xcode 12 and lower will see this
#endif
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  3. 0

    Actual Post Link

    Xcode 12.5   :      Swift version 5.4.2

Xcode 12.3   :      Swift version 5.3.2

Xcode 12.2   :      Swift version 5.3.1

Xcode 11.6   :      Swift version 5.2.4

Xcode 11.5   :      Swift version 5.2.4

Xcode 11.4   :      Swift version 5.2

Xcode 11.3   :      Swift version 5.1.3

Xcode 11.2.1 :      Swift version 5.1.2

Xcode 11.1   :      Swift version 5.1

    And then here’s how to check:

    #if compiler(>=5) //4.2, 3.0, 2.0 replace whatever swift version you wants to check
print("Hello Swift 5")
#endif

    All the best 😊

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