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iOS framework addition failed due to a CocoaPods installation failure

I got this error whenever I try to build for iOS platform on Unity:

iOS framework addition failed due to a CocoaPods installation failure. This will will likely result in an non-functional Xcode project.

After the failure, "pod repo update" was executed and succeeded. "pod install" was then attempted again, and still failed. This may be due to a broken CocoaPods installation. See: https://guides.cocoapods.org/using/troubleshooting.html for potential solutions.

pod install output:

Analyzing dependencies
[!] CocoaPods could not find compatible versions for pod "FirebaseCore":
  In Podfile:
    Firebase/Auth (= 11.4.2) was resolved to 11.4.2, which depends on
      Firebase/CoreOnly (= 11.4.2) was resolved to 11.4.2, which depends on
        FirebaseCore (= 11.4.2)

    Firebase/Auth (= 11.4.2) was resolved to 11.4.2, which depends on
      FirebaseAuth (~> 11.4.0) was resolved to 11.4.0, which depends on
        FirebaseCore (~> 11.4)

    Firebase/Core (= 11.4.2) was resolved to 11.4.2, which depends on
      FirebaseAnalytics (~> 11.4.0) was resolved to 11.4.0, which depends on
        FirebaseCore (~> 11.0)

    Firebase/Core (= 11.4.2) was resolved to 11.4.2, which depends on
      FirebaseAnalytics (~> 11.4.0) was resolved to 11.4.0, which depends on
        FirebaseInstallations (~> 11.0) was resolved to 11.5.0, which depends on
          FirebaseCore (= 11.5)

CocoaPods could not find compatible versions for pod "GTMSessionFetcher/Core":
  In Podfile:
    Firebase/Auth (= 11.4.2) was resolved to 11.4.2, which depends on
      FirebaseAuth (~> 11.4.0) was resolved to 11.4.0, which depends on
        GTMSessionFetcher/Core (< 5.0, >= 3.4)

    GoogleSignIn (~> 6.0.2) was resolved to 6.0.2, which depends on
      GTMAppAuth (~> 1.0) was resolved to 1.0.0, which depends on
        GTMSessionFetcher (~> 1.1) was resolved to 1.1.0, which depends on
          GTMSessionFetcher/Full (= 1.1.0) was resolved to 1.1.0, which depends on
            GTMSessionFetcher/Core (= 1.1.0)

    GoogleSignIn (~> 6.0.2) was resolved to 6.0.2, which depends on
      GTMSessionFetcher/Core (< 4.0, >= 2.1)





pod repo update output:

Updating spec repo `trunk`



UnityEngine.Debug:LogError (object)
Google.Logger:Log (string,Google.LogLevel) (at /Users/amaurice/Documents/GitHub/unity-jar-resolver/source/VersionHandlerImpl/src/Logger.cs:136)
Google.IOSResolver:Log (string,bool,Google.LogLevel) (at /Users/amaurice/Documents/GitHub/unity-jar-resolver/source/IOSResolver/src/IOSResolver.cs:1247)
Google.IOSResolver:OnPostProcessInstallPods (UnityEditor.BuildTarget,string) (at /Users/amaurice/Documents/GitHub/unity-jar-resolver/source/IOSResolver/src/IOSResolver.cs:2799)
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:203)

Another problem is, when I check the Firebase version on my unity, it says I'm using Firebase Realtime Database: [12.4.1], Firebase Authentication: [12.4.1], External Dependency Manager: [1.2.183]

but on my podfile it says I'm using version 11.4.2 for the Firebase package:

source 'https://cdn.cocoapods.org/'

platform :ios, '13.0'

target 'UnityFramework' do
  pod 'Firebase/Auth', '11.4.2'
  pod 'Firebase/Core', '11.4.2'
  pod 'Firebase/Database', '11.4.2'
  pod 'GoogleSignIn', '~> 6.0.2'
end
target 'Unity-iPhone' do
end
use_frameworks! :linkage => :static

What I have tried: downgrade the cocoapods to v1.10.2, disable Use Shell to Execute Cocoapod Tool, still get the same errors.

If I just try to build it from the Unity-iPhone.xcodeproj, I will get googlesignin/gidsignin.h file not found.

For now I just try to use the latest version cocoapods. Thank you

Solution

  • Update to a later version of GoogleSignIn.

    As can be seen in the logs, GoogleSignIn 6.0.2's dependencies are incompatible with Firebase 11.