Undefined symbols for architecture armv7: "_OBJC_CLASS_$_MLKTextLine"

[chitrakhatri-ios]

Hello,

I can run the application on device and simulator perfectly. But when I am trying Archive the application I am getting following error.

Undefined symbols for architecture armv7:
"OBJC_CLASS$_MLKTextLine", referenced from:
objc-class-ref in OCRViewController.o
"OBJC_CLASS$_MLKTextBlock", referenced from:
objc-class-ref in OCRViewController.o
"OBJC_CLASS$_MLKTextElement", referenced from:
objc-class-ref in OCRViewController.o
"OBJC_CLASS$_MLKTextRecognizer", referenced from:
objc-class-ref in OCRViewController.o
"OBJC_CLASS$_MLKVisionImage", referenced from:
objc-class-ref in OCRViewController.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Solutions I have Tried:

1. Active Architecture Only in pod and in Project->target
   Active Architecture Only -> set Yes in Build Settings

2. Link Search Libraries
   Build Settings -> Link Search Path -> Add $(inherited)

3. Framework Search Path
   In build Settings -> Framework Search path -> Add $(inherited)

4. Header Search Path
   In build settings -> header Search path -> Add $(inherited)

5. Deintegrate Cocoapods and re install again.

6. Cocoapods update

7. Pod file update
   post_install do |installer|
   installer.pods_project.targets.each do |target|
   target.build_configurations.each do |config|
   config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '10.0'
   end
   end
   end

Any help would be much appreciated.

Thanks,

[bcdj]

The "armv7" architecture shown in the error message is for 32-bit devices (iPhone 5c or older). ML Kit does not support 32-bit devices (armv7) or simulators (i386). It only support 64-bit devices (arm64) or simulators (x86_64). Does your app list armv7 as a supported architecture? If so, ML Kit cannot support that architecture.

[blyscuit]

I can get by using #if arch(arm64) to wrap the code that use MLKit

#if arch(arm64)
import MLKit

class MLKitPassportScannerController: PassportScannerController {

    override func doOCR(image: UIImage) -> String {
        let textRecognizer = TextRecognizer.textRecognizer()
        let visionImage = VisionImage(image: image)
        visionImage.orientation = image.imageOrientation
        do {
            return try textRecognizer.results(in: visionImage).text
        } catch {
            return ""
        }
    }
}
#else
import UIKit

class MLKitPassportScannerController: UIViewController {}
#endif