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[Solved] How to fix Xcode Linker Error: ‘Undefined symbols for architecture arm64’ caused by Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks on MacBook Pro 16″ M3 Max

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] How to fix Xcode Linker Error: ‘Undefined symbols for architecture arm64’ caused by Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks on MacBook Pro 16″ M3 Max

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  • November 14, 2026 at 11:23 pm #14467
    Mason Anderson
    Community Contributor
    Diagnostic Hardware Specs: MacBook Pro 16″ M3 Max (64GB) | OS Version: macOS Sequoia 15.1 + Xcode 16.1 | Archive Source: Apple Support Community #256147660

    I am running into a persistent issue on my MacBook Pro 16″ M3 Max (64GB) running macOS Sequoia 15.1 + Xcode 16.1.
    Whenever the machine encounters Missing universal arm64 binary slice in legacy CocoaPods or precompiled dylib frameworks, the following diagnostic log appears in Console:

    ld: symbol(s) not found for architecture arm64; clang: error: linker command failed with exit code 1 (use -v to see invocation)

    I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

    Apple Vision Pro (1TB) | Mac mini M4 Pro (48GB) | Studio Display | Brisbane, AU
    visionOS Spatial Computing Developer | "Verified Apple Discussions Archive"
    November 14, 2026 at 11:23 pm #14468
    Kevin Reynolds
    Community Contributor
    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.

    Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Barcelona, ES
    Apple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)
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