error: Apple Mach-O Linker(Id)Error, 20 duplicate symbols for architecture arm64

[JookiTsui]

Hi, I use Git-LFS download the really iOS framework , But When I build in Xcode, I got the error:

Ld /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Products/Debug-iphoneos/UnityFramework.framework/UnityFramework normal arm64
    cd /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios
    export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -target arm64-apple-ios10.0 -dynamiclib -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.6.sdk -L/Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Products/Debug-iphoneos -L/Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Libraries -F/Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Products/Debug-iphoneos -F/Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS -filelist /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Intermediates.noindex/Unity-iPhone.build/Debug-iphoneos/UnityFramework.build/Objects-normal/arm64/UnityFramework.LinkFileList -install_name @rpath/UnityFramework.framework/UnityFramework -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -rpath -Xlinker @loader_path/Frameworks -Xlinker -map -Xlinker /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Intermediates.noindex/Unity-iPhone.build/Debug-iphoneos/UnityFramework.build/UnityFramework-LinkMap-normal-arm64.txt -dead_strip -Xlinker -object_path_lto -Xlinker /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Intermediates.noindex/Unity-iPhone.build/Debug-iphoneos/UnityFramework.build/Objects-normal/arm64/UnityFramework_lto.o -Xlinker -no_deduplicate -fembed-bitcode-marker -stdlib=libc++ -fobjc-arc -fobjc-link-runtime -weak_framework CoreMotion -weak-lSystem -ObjC -framework CoreTelephony -liPhone-lib -framework Security -framework MediaToolbox -framework CoreText -framework AudioToolbox -weak_framework AVFoundation -framework AVKit -framework CFNetwork -framework CoreGraphics -framework CoreMedia -weak_framework CoreMotion -framework CoreVideo -framework Foundation -framework OpenAL -framework OpenGLES -framework QuartzCore -framework SystemConfiguration -framework UIKit -liconv.2 -lil2cpp -framework tensorflow_lite_gpu_framework -framework TensorFlowLiteC -weak_framework Metal -Xlinker -dependency_info -Xlinker /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Intermediates.noindex/Unity-iPhone.build/Debug-iphoneos/UnityFramework.build/Objects-normal/arm64/UnityFramework_dependency_info.dat -o /Users/jookitsui/Library/Developer/Xcode/DerivedData/Unity-iPhone-bakojvifnzgcachjxtdntfmekqxg/Build/Products/Debug-iphoneos/UnityFramework.framework/UnityFramework

ld: warning: arm64 function not 4-byte aligned: _unwind_tester from /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Libraries/libiPhone-lib.a(unwind_test_arm64.o)
duplicate symbol '_OBJC_CLASS_$_TFLBufferConvert' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(buffer_convert_4c6415a43f9d8b0f5f2c3c820a73836d.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(buffer_convert_1a8577b686ad6fd069f9bf8253b9c536.o)
duplicate symbol '_OBJC_METACLASS_$_TFLBufferConvert' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(buffer_convert_4c6415a43f9d8b0f5f2c3c820a73836d.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(buffer_convert_1a8577b686ad6fd069f9bf8253b9c536.o)
duplicate symbol '_OBJC_IVAR_$_TFLBufferConvert._program' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(buffer_convert_4c6415a43f9d8b0f5f2c3c820a73836d.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(buffer_convert_1a8577b686ad6fd069f9bf8253b9c536.o)
duplicate symbol '_OBJC_CLASS_$_TFLInferenceContext' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_METACLASS_$_TFLInferenceContext' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_IVAR_$_TFLInferenceContext._options' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_IVAR_$_TFLInferenceContext._computeTasks' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_IVAR_$_TFLInferenceContext._outputIds' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_IVAR_$_TFLInferenceContext._device' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(inference_context_4388ba43df0236018021471a95720412.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(inference_context_3b4506901a38350266cb9ff0d71fb2ad.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._groupsCount' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._outputBuffers' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._inputBuffers' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._uniformBuffers' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._immutableBuffers' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._description' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._resizeFunction' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._program' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_CLASS_$_TFLComputeTask' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_METACLASS_$_TFLComputeTask' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
duplicate symbol '_OBJC_IVAR_$_TFLComputeTask._groupsSize' in:
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/tensorflow_lite_gpu_framework.framework/tensorflow_lite_gpu_framework(compute_task_3a62ce7feb0bef230c7ce3c0a61aa542.o)
    /Users/jookitsui/bbwansha/titian_yuwen/Builds/ios/Frameworks/TensorFlowLite/Plugins/iOS/TensorFlowLiteC.framework/TensorFlowLiteC(compute_task_b8b24220c272524ddb5f7078254c21d9.o)
ld: 20 duplicate symbols for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I have no idea what I can do. Could you do me a favor ?

[asus4]

Hi, @JookiTsui I couldn't reproduce the error. Can you provide the following info?

• Unity version
• Xcode version
• clang version

---

My environment

• Unity version: Unity 2019.3.3f1

> xcodebuild -version
Xcode 11.5
Build version 11E608c

> clang --version
Apple clang version 11.0.3 (clang-1103.0.32.62)
Target: x86_64-apple-darwin19.5.0
Thread model: posix
InstalledDir: /Applications/Xcode11.5.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

[JookiTsui]

Hi，My environment

Unity version: Unity 2019.3.14f1

xcodebuild -version
Xcode 11.6
Build version 11E708

clang --version
Apple clang version 11.0.3 (clang-1103.0.32.62)
Target: x86_64-apple-darwin19.5.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

Hi, @JookiTsui I couldn't reproduce the error. Can you provide the following info?

• Unity version
• Xcode version
• clang version

My environment

• Unity version: Unity 2019.3.3f1

> xcodebuild -version
Xcode 11.5
Build version 11E608c

> clang --version
Apple clang version 11.0.3 (clang-1103.0.32.62)
Target: x86_64-apple-darwin19.5.0
Thread model: posix
InstalledDir: /Applications/Xcode11.5.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

[JookiTsui]

@asus4 I download the new project, and replaced the old iOS framworks with newer in my project. It works fine now. Thank you so much.