Apple Mach-O Linker Error armv7s & libGoogleAdMobAds.a

Asked 13/9, 2012 at 9:50 Answered 10/10, 2012 at 13:26

I've just upgraded my app to run on the new iPhone5 simulator, however when I try to build it for my iPhone 4S device, I get this Apple Mach-O Liner error.

ld: file is universal (3 slices) but does not contain a(n) armv7s slice: /Users/Darren/Documents/Dev stuff/My App/GoogleAdMobAdsSDKiOS-5.0.5/libGoogleAdMobAds.a for architecture armv7s clang: error: linker command failed with exit code 1 (use -v to see invocation)

Can someone shed some light on what this error it and how to fix it? I am using adWhirl with AdMob.

Thanks

EDIT --- I am also getting this error in another project for the file libfacebook_ios_sdk.a

Sesqui answered 13/9, 2012 at 9:50 Comment(8)

What's your Deployment Target? – Westering 13/9, 2012 at 9:54

I've just looked at another of my apps, and it has the same error when building for device. – Sesqui 13/9, 2012 at 10:11

I've just started editing a third, and this time get the error for libfacebook_ios_sdk.a – Sesqui 13/9, 2012 at 11:33

This question talks about information that is still under the NDA that you signed (which you broke by posting here), so please try the apple developer forums instead. – Jerrybuilt 13/9, 2012 at 11:38

The iPhone 5 became public knowledge last night so I'm not sure which part of my question breaks the NDA – Sesqui 13/9, 2012 at 11:52

I got this working now. But I guess I can't say how. – Sesqui 13/9, 2012 at 12:34

The part about Xcode 4.5 and iOS 6 SDK, which are clearly still under NDA in bold letters when you log into your developer account. – Equator 13/9, 2012 at 12:37

I found the answer here: [Is there a compiler flag to indicate lack of armv7s architecture][1]. [1]: #12405878 – Denton 13/9, 2012 at 23:41

The same answer as I gave in this thread:

If you want to remove the support for any architecture, try this:

Project -> Build Settings -> remove the architecture from "valid architectures"

You can use this as a temporary solution until the library has been updated. You have to remove the flag from your own project.

Senegal answered 16/9, 2012 at 12:10 Comment(0)

iPhone5's cpu is A6(armv7s). The existing Admob sdk does not support it. We have to wait for admob to update the sdk.

Knockknee answered 14/9, 2012 at 9:33 Comment(4)

Their new sdk wont work with AdWhirl, so we either have to move to AdMob mediation, drop AdMob or stick with AdWhirl & AdMob but remove armv7s support from the build. – Sesqui 14/9, 2012 at 10:5

The admob page says it's not compatible with AdWhirl cl.ly/image/1u2b2F1M0P1p – Sesqui 16/9, 2012 at 12:17

@Darren, that says you can not use admob sdk as an AdSense SDK in Adwhirl – Sextuplet 21/9, 2012 at 12:20

This is the google group thread for news about it, for the moment still nothing. groups.google.com/forum/?fromgroups=#!topic/… – Aleras 26/9, 2012 at 17:34

Update to Admob 6.2.0 or later.

See this post: http://googleadsdeveloper.blogspot.com/2012/09/migrating-to-admob-v62-for-ios.html.

Also, include the AdSupport framework and remove the -all_load flag. You've got to use the -ObjC flag however.

This works for me, finally!!

Madrid answered 27/9, 2012 at 16:55 Comment(0)

Try this:

This article copy an armv7 lib code as an armv7s and build into the original lib. so xcode will see that lib has an armv7s code/arch

http://www.galloway.me.uk/2012/09/hacking-up-an-armv7s-library/

Cullender answered 10/10, 2012 at 13:26 Comment(0)

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