ios build error with undefined symbols for armv7

[zszen]

Godot version:
3.1.1
xcode 10.2.1
build error
I combined the three .a file with lipo command.

Issue description:

Undefined symbols for architecture armv7:
  "_OBJC_CLASS_$_GADRewardBasedVideoAd", referenced from:
      objc-class-ref in PyramidPoker.a(AdmobRewarded.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADBannerView", referenced from:
      objc-class-ref in PyramidPoker.a(AdmobBanner.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADRequest", referenced from:
      objc-class-ref in PyramidPoker.a(AdmobBanner.iphone.opt.arm.o)
      objc-class-ref in PyramidPoker.a(AdmobInterstitial.iphone.opt.arm.o)
      objc-class-ref in PyramidPoker.a(AdmobRewarded.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADInterstitial", referenced from:
      objc-class-ref in PyramidPoker.a(AdmobInterstitial.iphone.opt.arm.o)
  "_kGADAdSizeSmartBannerLandscape", referenced from:
      -[AdmobBanner loadBanner::] in PyramidPoker.a(AdmobBanner.iphone.opt.arm.o)
  "_kGADAdSizeSmartBannerPortrait", referenced from:
      -[AdmobBanner loadBanner::] in PyramidPoker.a(AdmobBanner.iphone.opt.arm.o)
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

[wombatwingdings]

I had this. It is a bug in xcode. Open up the project in xcode, go to "General" tab, remove "GoogleMobileAds.framework" from frameworks, then re-add it. Should build then. Also, make sure you have directory godot/modules/admob/ios/lib added to framework search path (“Build Settings”).

[wombatwingdings]

Maybe this should be mentioned in the readme?

[Shin-NiL]

@wombatwingdings I'll do that, thanks :)

[zszen]

@wombatwingdings @Shin-NiL
Thanks for reply. I try to re-added. But don't work.
I give the step of the build:

1. download godot resource 3.1 from https://github.com/godotengine/godot
2. download godot-admob resource from https://github.com/kloder-games/godot-admob
3. copy the godot-admob/admob folder to godot /modules/admob
4. add GoogleMobileAds.framework to godot /modules/admob/ios/lib
5. modify the godot /modules/admob/config.py

env.Append(FRAMEWORKPATH=['/modules/admob/ios/lib'])

to

env.Append( CPPPATH=['full path of godot/opensource/core'] )
env.Append(FRAMEWORKPATH=['full path of godot/opensource/modules/admob/ios/lib'])

6. build with code :

scons p=iphone tools=no target=release arch=arm
scons p=iphone tools=no target=release arch=arm64
scons p=iphone tools=no target=release arch=x86_64

I build those with three tabs at the same time.
then combin them

lipo -create bin/libgodot.iphone.opt.arm.a bin/libgodot.iphone.opt.arm64.a bin/libgodot.iphone.opt.x86_64.a -output bin/godot.iphone.opt.a

7. copy the godot.iphone.opt.a file to xcode project and overwrite the {gameName}.a file.

8. add GoogleMobileAds.framework to xcode project. And then and the required framework

9. check the framework search path

10. build with error info:

Undefined symbols for architecture armv7:
  "_OBJC_CLASS_$_GADRewardBasedVideoAd", referenced from:
      objc-class-ref in godot.iphone.opt.a(AdmobRewarded.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADBannerView", referenced from:
      objc-class-ref in godot.iphone.opt.a(AdmobBanner.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADRequest", referenced from:
      objc-class-ref in godot.iphone.opt.a(AdmobBanner.iphone.opt.arm.o)
      objc-class-ref in godot.iphone.opt.a(AdmobInterstitial.iphone.opt.arm.o)
      objc-class-ref in godot.iphone.opt.a(AdmobRewarded.iphone.opt.arm.o)
  "_OBJC_CLASS_$_GADInterstitial", referenced from:
      objc-class-ref in godot.iphone.opt.a(AdmobInterstitial.iphone.opt.arm.o)
  "_kGADAdSizeSmartBannerLandscape", referenced from:
      -[AdmobBanner loadBanner::] in godot.iphone.opt.a(AdmobBanner.iphone.opt.arm.o)
  "_kGADAdSizeSmartBannerPortrait", referenced from:
      -[AdmobBanner loadBanner::] in godot.iphone.opt.a(AdmobBanner.iphone.opt.arm.o)
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

[zszen]

Now I can run on device with Set "Build Active Architecture Only" to YES.