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Undefined symbols for architecture i386, only on iPad simulator

There is a framework imported via CocoaPods named JPush in my project.

Everything was just fine on iPhone device and iPhone Simulator. But the complier kept complaining the following when I switched to iPad simulator (I didn't try it on iPad devices because I didn't have any iPad with me).

enter image description here

I gathered all iOS devices architecture

arm64：iPhone6s | iphone6s plus｜iPhone6｜ iPhone6 plus｜iPhone5S | iPad Air｜ iPad mini2(iPad mini with Retina Display)
armv7s：iPhone5｜iPhone5C｜iPad4(iPad with Retina Display)
armv7：iPhone4｜iPhone4S｜iPad｜iPad2｜iPad3(The New iPad)｜iPad mini｜iPod Touch 3G｜iPod Touch4

32-bits processor:
simulator: i386
real device: armv7 or armv7s
64-bits processor: 
simulator: x86_64
real device: arm64

So when you come up with the same error, try use file FILENAME command to show what architecture your static lib supports.

Solution

  • The framework you're trying to link against doesn't include an i386 slice:

    libjpush-ios-3.0.9.a: Mach-O universal binary with 4 architectures: [arm_v7:current ar archive] [arm64]
libjpush-ios-3.0.9.a (for architecture armv7):  current ar archive
libjpush-ios-3.0.9.a (for architecture armv7s): current ar archive
libjpush-ios-3.0.9.a (for architecture x86_64): current ar archive random library
libjpush-ios-3.0.9.a (for architecture arm64):  current ar archive

    It does include an x86_64 slice, though. Select a 64-bit iOS device for simulation (iPhone 5S or later) and rebuild.