Linker command failed with exit code 1

Hi guys.

I'm using Unity 2018.2.15.f1. Our App is an ARFoundation project. My Xcode is 10.1 (10B61). Everything works, but when we used Xcode to post our work to Apple Connect we get the same error:

linker command failed with exit code 1 (use -v to see invocation)
clang

The @smiletastekittens suggested solution didn't work (sadly). Do you have any other suggestions?

Thanks.

 

We encountered the same problem with our ARFoundation project. We're using preview 20.

 

I think I have solved this problem by unchecking Edit -> Project Settings -> ARCore -> Unchecking iOS support enabled.
I think "ARCore Supported" in Player Settings -> XR Settings could be a source of error.

My actual settings are these two unchecked and it builds and works.

 

Same error with Unity 2018.2.14f1, Unity 2018.2.17f1 and xCode 10.
Cut all!!! Ads, Purchase, analitics... All plugins... How to see what the error is? Double click on the error does not provide additional information... New empty project is building... Heeelp!!!!! Sos!!!!

 

I had this issue when I had installed the latest Ads SDK from here https://assetstore.unity.com/packages/add-ons/services/unity-ads-66123

.. but also had the Unity.Ads package installed (Package Manager).. which got installed via integrated Ads being enabled in Services.

Using one or the other should fix this if the clang error is related to Unity Ads.

 

I've been away from my project for 2 months and upgraded to latest unity and xcode today (Version 10.1 (10B61))
I now have an error ONLY when I build to device (tried on both iphone and ipad) but it runs fine on simulator.

Error is:

/clang:-1: linker command failed with exit code 1 (use -v to see invocation)

Any ideas? IPad has plenty of memory, so it's not that. Runs fine in Unity Editor as well.
I tried the disabling of built-in ads extension and imported from the asset store instead, but this has made no difference.
(And how do I "use -v to see invocation??)

Pulling my hair out here!
Thanks for any help


EDIT: More info from log:
Undefined symbols for architecture arm64:

"_OBJC_CLASS_$_MPMoviePlayerViewController", referenced from:

objc-class-ref in MediaLibraryHandler.o

"_MPMoviePlayerPlaybackDidFinishReasonUserInfoKey", referenced from:

-[MediaLibraryHandler moviePlayerDidFinishReason:] in MediaLibraryHandler.o

"_MPMoviePlayerPlaybackDidFinishNotification", referenced from:

-[MediaLibraryHandler playVideoAtURL:fullscreen:] in MediaLibraryHandler.o

-[MediaLibraryHandler moviePlayerDidFinishReason:] in MediaLibraryHandler.o

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

 

Did you find a solution?

 

Are you targeting ARM64 and is that causing the issue?

https://docs.unity3d.com/Manual/iphone-64bit.html

Also, you can Right-click the error in the Issue Navigator in xCode - Choose "Reveal in Log" or "Reveal in Project Navigator "and you might see more info about the error...

 

Yes the log says:

"Movieplayer" ??? Only thing i can think of in my app that would need this is UnityAds?

 

When I had the issue with Unity Ads, I had to remove the ads package via package manager, turn off ads in services and just have the plugin installed from asset store.. as far as I remember.

I'll double check the project tomorrow for you. I didnt have movieplayer issue specifically, but it didnt like the multiple unity ads implementations when building in xcode.

I also remember someone having issue which was due to symlinking when building initial project in unity? Turn that off maybe if its on in ios build settings on mac?

 

Yes, tried that with the ads but still an issue. Thanks for helping out.

 

Solved! Problem was with Voxel Busters' Cross Platform Native plug-in. They have a patch/fix here for future reference for anyone who uses the plug in: https://www.voxelbusters.com/produc...linker-command-failed-with-exit-code-1#latest

 

got this error after uninstalling unity ads, reinstalling it didn't help, good I have git =)

 

We are having this problem also with a clean import of the ARFoundation, ARKit, ARCore packages in all versions of 2018.3 we have tried. We are forced to set to ARM64 due to ARKit and then it will not link with that set.

 

This fixed the issue for me! I was seeing linker errors regarding IOS specific _share and _medialibrary functions while building in Xcode. I am using "Cross Platform Native Plugins" and it stopped compiling after upgrading the project to a newer Unity version as well as updating Xcode itself.

Make sure to import the downloaded package from Assets -> Import Package... -> Custom Package

I also had to set the target minimum IOS version back to 10 in the player settings after increasing that some time ago, seems the native plugins don't work with higher minimum IOS versions.

Though, I would be glad if Unity could start supporting these system specific features from the C# scripting backend without additional assets or plugins from the asset store. I am using Unity's native IOS reminder notification feature, and it implements well in IOS, so why do we not have other IOS (and Android) system features supported natively yet?

 

I updated all my native plugins in unity and that seemed to solve it. Hope it helps you too.