[Firebase 10] Placeholder for addressing distribution macros (e.g. FIREBASE_BUILD_CARTHAGE)

[ncooke3]

Description

FIREBASE_BUILD_CARTHAGE is used in GoogleUtilities but is never properly defined when building with the ZipBuilder. This affects Zip and Carthage builds.

Reproducing the issue

No response

Firebase SDK Version

9.5.0

Xcode Version

13.3.1

Installation Method

Zip

Firebase Product(s)

All

Targeted Platforms

iOS, tvOS, watchOS, macOS, macCatalyst

Relevant Log Output

No response

If using Swift Package Manager, the project's Package.resolved

Expand Package.resolved snippet

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If using CocoaPods, the project's Podfile.lock

Expand Podfile.lock snippet

Replace this line with the contents of your Podfile.lock!