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i have 4 errors and the project is not compiling.

  Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_FBAppCall", referenced from:
  objc-class-ref in AppDelegate.o
  "_OBJC_CLASS_$_FBSession", referenced from:
  objc-class-ref in AppDelegate.o
  "_OBJC_CLASS_$_Facebook", referenced from:
  objc-class-ref in AppDelegate.o

I have the facebook ios sdk 3.13.1

What are the consequences if I put $(ARCHS_STANDARD_32_BIT)?

Oswaldo Leon
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  • possible duplicate of [Xcode 5.1 build opencv failed on 64 bit simulator](http://stackoverflow.com/questions/22446060/xcode-5-1-build-opencv-failed-on-64-bit-simulator) (Different framework but same problem). The consequence is that, like this library, your app will not contain a 64-bit slice. That's OK though, for now, since arm64 is backwards compatible with armv7s. – borrrden Apr 15 '14 at 03:33
  • in facebook ios sdk 3.8 say: "This version also supports 64 bit applications and can be linked to by applications that target the arm64 architecture" so Do not the library contain 64-bits? – Oswaldo Leon Apr 15 '14 at 04:47
  • The linker says otherwise. Either that or you are accidentally using another version. – borrrden Apr 15 '14 at 05:14

3 Answers3

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Build phases -> "Link Binary with Libraries" -> + (add) -> "Add Other" -> point to the location of FacebookSDk.framework

Hope this helps.

user2783166
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Although this isn't for a Facebook application, I believe it is the same issue. I found this task to be difficult myself so I made a video explaining how to remove the arm64 from the valid architectures. Hope it helps!

https://www.youtube.com/watch?v=d-pJLRy4rVk&feature=youtube_gdata_player

Brandon J Brotsky
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  • Thanks for information, the problem was that the project called for the old facebook sdk, moving the project to another path resolved the problem for my. – Oswaldo Leon May 30 '14 at 19:55
  • That makes sense because SDK takes advantage of the 64bit processor. – Brandon J Brotsky May 31 '14 at 17:03
  • But removing arm64 will cause a failure in uploading to App store, it causes (Missing 64-bit support) error. How to solve this issue and keep old facebook sdk? – Eman87 Apr 12 '15 at 14:14
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I have found the fix in this stackoverflow post thread

"The current instructions on Facebook's SDK Getting Started page forget to mention this. In version < 4 of the SDK, there was just one file to drag in to your project."

In my case i have to include FBSDKShareKit.frameworkto build successfully.

Community
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Umair
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