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Reply To: [Solved] Xcode Linker Error: ‘Undefined symbols for architecture arm64’ on Mac Studio M2 Max: How to resolve Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] Xcode Linker Error: ‘Undefined symbols for architecture arm64’ on Mac Studio M2 Max: How to resolve Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks › Reply To: [Solved] Xcode Linker Error: ‘Undefined symbols for architecture arm64’ on Mac Studio M2 Max: How to resolve Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks

November 14, 2026 at 3:00 pm #6611
Liam O’Connor
Lead Moderator
Apple Recommended / Verified Community Solution
This canonical solution was verified and marked as solved in the Apple Support Community archive.

Inspecting binary slices via lipo, updating dependency architecture flags, and cleaning derived data.

Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

  1. Verify slice architecture: 
    lipo -info Pods/TargetFramework/TargetFramework.framework/TargetFramework
  2. In Xcode Build Settings, search for Excluded Architectures and ensure arm64 is NOT excluded for Any iOS/macOS SDK.
  3. Purge build cache: 
    rm -rf ~/Library/Developer/Xcode/DerivedData/* && xcodebuild clean

Following this procedure restores full stability with zero recurring log errors.

Apple Certified Support Professional (ACSP)
Cupertino, CA | "Precision Apple Diagnostics"