Hi all I m trying to install `FirebaseAuth` dependency using kotlinlang #ios

Hi all. I'm trying to install `FirebaseAuth` depen...

Vincent

06/15/2023, 3:29 PM

Hi all. I'm trying to install

FirebaseAuth

dependency using the kotlin cocoapods plugin when targeting macOS, but I'm unable to do it. I'm creating a KMM project targeting iOS and macOS with the cocoapods plugin. I have successfully added the

FirebaseAuth

dep when targeting iOS only, but after adding macOS target, I am not able to make it work. After gradle sync, the error stack trace is very long, but here is the end:

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> Task :shared:podBuildFirebaseAuthMacosx FAILED

[...]

2023-06-15 15:42:08.926 xcodebuild[29125:2268708] DVTCoreDeviceEnabledState: DVTCoreDeviceEnabledState_Disabled set via user default (DVTEnableCoreDevice=disabled)
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:00006000-0012708E0A23801E }
{ platform:macOS, arch:x86_64, id:00006000-0012708E0A23801E }
{ platform:macOS, name:Any Mac }
** BUILD FAILED **


The following build commands failed:
	Ld /Users/vincent/AndroidStudioProjects/Testuning5/shared/build/cocoapods/synthetic/OSX/build/Pods.build/Release/PromisesObjC.build/Objects-normal/x86_64/Binary/FBLPromises normal x86_64 (in target 'PromisesObjC' from project 'Pods')
(1 failure)

Do you have any idea?

Vincent

06/15/2023, 3:29 PM

To reproduce the problem: • Create a new KMM project using the KMM Plugin in Android Studio. Enable cocoapods dependency manager. • Update the shared/build.gradle

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kotlin {
    targetHierarchy.default()

    android {
        compilations.all {
            kotlinOptions {
                jvmTarget = "1.8"
            }
        }
    }

    iosX64()
    iosArm64()
    iosSimulatorArm64()
    macosX64()             // Add this line
    macosArm64()           // Add this line

    cocoapods {
        summary = "Some description for the Shared Module"
        homepage = "Link to the Shared Module homepage"
        version = "1.0"
        ios.deploymentTarget = "14.1"
        osx.deploymentTarget = "13.0"           // Add this line
        podfile = project.file("../iosApp/Podfile")
        framework {
            baseName = "shared"
        }
        
        pod("FirebaseAuth")           // Add this line
    }

    [...]

Jeff Lockhart

06/15/2023, 3:49 PM

Are you using an Apple Silicon or Intel Mac?

Vincent

06/15/2023, 3:50 PM

I'm using an Apple Silicon (M1 Pro)

Jeff Lockhart

06/15/2023, 3:53 PM

The error looks to be that it is building for "any Mac" and choosing between arm64 (Apple Silicon) and x86_64 (Intel). Then it's failing to link to an x86_64 binary.

Jeff Lockhart

06/15/2023, 3:54 PM

Are you targeting both

macosX64

and

macosArm64

in your project?

Jeff Lockhart

06/15/2023, 3:55 PM

Oh, yes. Just read your build.gradle.kts file.

Jeff Lockhart

06/15/2023, 3:58 PM

Does it work if you remove the

macosX64

target?

Vincent

06/15/2023, 4:06 PM

When removing the

macosX64

, I'm faced with the

MPP / Gradle: Consumable configurations must have unique attributes

bug. I fixed it thanks to this workaround. But at the end, I'm still having the exact same problem with the same stack trace

Jeff Lockhart

06/15/2023, 4:08 PM

I've run into that before as well.

Jeff Lockhart

06/15/2023, 4:09 PM

Not sure why it's failing to link the x86_64 binary for the macosX64 target.

Jeff Lockhart

06/15/2023, 4:20 PM

I get the same error on my Intel Mac.

Vincent

06/15/2023, 4:21 PM

I experimented importing another library using the same method and targeting

macosX64

and

macosArm64

SwiftDate

and it works well. So, I'm not sure if it's a problem related to Firebase dependencies or anything else

Jeff Lockhart

06/15/2023, 4:25 PM

It seems to be specific to building this pod dependency. I have both macOS targets in my projects with another pod that works.

Jeff Lockhart

06/15/2023, 4:25 PM

The error output is much larger than what you shared. I'm sifting through it to see if there are any more relevant details.

Jeff Lockhart

06/15/2023, 4:50 PM

I wonder if these warnings are related:

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../build/cocoapods/synthetic/OSX/Pods/Pods.xcodeproj: warning: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 10.13 to 13.3.99. (in target 'GoogleUtilities' from project 'Pods')
../build/cocoapods/synthetic/OSX/Pods/Pods.xcodeproj: warning: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 10.13 to 13.3.99. (in target 'GTMSessionFetcher' from project 'Pods')
../build/cocoapods/synthetic/OSX/Pods/Pods.xcodeproj: warning: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 10.13 to 13.3.99. (in target 'PromisesObjC' from project 'Pods')

It might be that the project needs to be updated to support the latest version of Xcode. I'm assuming you're running Xcode 14.3.1 or similar?

Jeff Lockhart

06/15/2023, 4:53 PM

https://github.com/google/promises/blob/master/PromisesObjC.podspec#L16 needs to be updated to at least 10.13. https://github.com/google/GoogleUtilities/blob/main/GoogleUtilities.podspec#L21 and https://github.com/google/gtm-session-fetcher/blob/main/GTMSessionFetcher.podspec#L21 may also need to as well (they weren't specifically in the build error, but might not have been reached yet).

Jeff Lockhart

06/15/2023, 4:53 PM

You could try downgrading Xcode and seeing if it builds then.

Vincent

06/15/2023, 6:26 PM

Yes exactly I'm running Xcode 14.3.1

Vincent

06/15/2023, 6:31 PM

If I understand well, the problem is not related to the version I put in the cocoapods config (

osx.deploymentTarget = "13.0

) but instead it's related to the version of Xcode I'm running because Xcode doesn't support any more targets like 10.10 and 10.12 that are needed to build the Firebase dependency

Vincent

06/15/2023, 6:32 PM

I'm not sure the version of Xcode I need to download, but I will try the version 13.4.1

Jeff Lockhart

06/15/2023, 6:42 PM

The deployment target declares the minimum OS version supported. I don't think it necessarily means a project can't successfully build on a version of Xcode that no longer supports that OS version. But if the project does use any old APIs that are now removed and no longer supported, then it would fail to build.

Jeff Lockhart

06/15/2023, 6:43 PM

There's some discussion on working around the warning in cocoapods here. But I don't think that would solve it if the project is using APIs that Xcode no longer supports.

Jeff Lockhart

06/15/2023, 6:46 PM

I'd try the last 13.x version of Xcode, so yeah, 13.4.1. Hopefully you won't need to try 12.x as well. Oh, the hours I've spent installing past versions of Xcode! 😅

Jeff Lockhart

06/15/2023, 6:50 PM

After you finish the Xcode install, make sure to open it and install the command line tools. Then change the command line tools version in the settings.

Vincent

06/15/2023, 10:44 PM

Ok, you're just my hero! Thank you so much for your time and your explanations 🙏 You literally saved me hours. I tried with Xcode 14.0 and it worked 🎉

Jeff Lockhart

06/15/2023, 11:16 PM

Nice, glad to hear. Didn't need to go back a whole version at least. Apple somehow gets away with deprecating things much faster than most others dare.

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