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rocketraman

02/11/2021, 3:28 AM
Trying to include FirebaseAuth as a cocoapods dependency on my shared lib:
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cocoapods {
    summary = "x"
    homepage = "x"
    frameworkName = "shared"
    ios.deploymentTarget = "13.0"
    pod("FirebaseAuth", "~> 7.6.0")
  }
but the build fails at 
linkDebugFrameworkIosX64
with:
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error: Linking globals named 'cocoapods_FirebaseAuth_FIRAuthErrorDomain_getter_wrapper0': symbol multiply defined!
This was working fine with an older version of FirebaseAuth.
I think it's because I use GitLive Firebase Kotlin SDK in my project, and it references FirebaseAuth 7.3.0. I was also referencing FirebaseAuth in my 
cocoapods
section (as I have some platform-specific code in iosMain in my shared lib), and there was a symbol conflict of some type. May also be related to how Firebase is linked: https://github.com/firebase/firebase-ios-sdk/blob/master/docs/firebase_in_libraries.md. Removing 
FirebaseAuth
from my cocoapods definition has solved the problem.
Somehow our build works, even though I don't think it should be! This is the comment I have in our 
cocoapods
section in our shared `build.gradle.kts`:
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// We don't reference FirebaseAuth here, because firebase-kotlin-sdk references and there appears to be some
    // strangeness happening at link time when adding the dependency here also:
    // error: Linking globals named 'cocoapods_FirebaseAuth_FIRAuthErrorDomain_getter_wrapper0': symbol multiply defined!
    // -- the build appears to work fine without this here, though I'm not exactly sure why as we have code that
    // references it.
    // see also: <https://github.com/GitLiveApp/firebase-kotlin-sdk/issues/111>
    //pod("FirebaseAuth", "~> 8.11.0")
Check your ios Podfile and import Firebase/Auth there e.g. 
pod 'Firebase/Auth', '~> 8.11.0'
c

clark

06/30/2022, 2:45 PM
No luck moving it to the 
Podfile
This is my current cocoapods configuration in 
build.gradle.kts
. I have tried every combination of having both of the commented out lines being enabled or not and nothing working quite yet.
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cocoapods {
        summary = "*"
        homepage = "*"
        framework {
            isStatic = false // for SwiftUI preview
        }
        //  pod("FirebaseAuth", "~> 8.14.0")
        ios.deploymentTarget = "13.5"
        //  podfile = project.file("../ios/Podfile")
    }
Using kotlin version 
1.7.0
Is there a reason you use version 
8.11.0
instead of 
8.14.0
?
r

rocketraman

06/30/2022, 2:46 PM
Just haven't updated in a while
👍 1
As a point of comparison, I don't have 
isStatic = false
. In your podfile do you have 
use_frameworks!
?
c

clark

06/30/2022, 2:50 PM
Good to note. I do have 
use_frameworks!
in my Podfile.
r

rocketraman

06/30/2022, 2:50 PM
Do you have a reference to 
dev.gitlive:firebase-auth
in your 
commonMain
source set?
c

clark

06/30/2022, 2:54 PM
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val commonMain by getting {
  .
  .
  .
  // Firebase KMP (3rd party OSS)
  implementation("dev.gitlive:firebase-auth:1.6.1")
}
r

rocketraman

06/30/2022, 2:57 PM
Looks pretty much the same though we're still on 
1.4.3
.
c

clark

06/30/2022, 2:58 PM
Did you add the carthage related code to your build.gradle file from firebase-kotlin-sdk issue #111?
r

rocketraman

06/30/2022, 2:59 PM
No, don't use carthage
I'm assuming you tried the usual stuff with resetting cocoapods? Something like:
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rm -rf ~/Library/Developer/Xcode/DerivedData/
rm -rf ~/Library/Caches/CocoaPods/
cd iosApp
pod deintegrate
rm -rf iosApp.xcworkspace/
pod update
c

clark

06/30/2022, 3:01 PM
I've only been doing the 
pod deintegrate
step and cleaning gradle builds
I'll try those out
One other thing is we never use FirebaseAuth directly in iOS. Not sure if that would make a difference
Also, do you test by building your app or running the 
packForXcode
gradle task?
r

rocketraman

06/30/2022, 3:02 PM
No, don't need 
packForXcode
if you use cocoapods
c

clark

06/30/2022, 3:03 PM
We don't have our project set up as cocoapods dependency for iOS. But maybe that is the issue.
r

rocketraman

06/30/2022, 3:06 PM
Definitely. Do something like this in 
cocoapods
in build.gradle.kts:
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cocoapods {
  framework {
    baseName = "shared"
  }
}
and then in `Podfile`:
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target 'iosApp' do
  pod 'shared', :path => '../shared'
  ...
end
c

clark

06/30/2022, 3:12 PM
Giving this a try now. Will update when I have results.
So I have my shared code imported as a Cocoapod now
If I don't include the `pod("Firebase/Auth", "~> 8.14.0") in my shared 
build.gradle.kts
then I get the
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ld: framework not found FirebaseAuth
But if I do include it, then I start getting some other weird error:
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Exception in thread "main" java.lang.Error: /var/folders/sy/kt1x1x3s7tnc93dj8b1bzbdc0000gn/T/6822736881599445461.m:1:9: fatal error: module 'Firebase' not found
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