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[Solved] MacBook Pro 16″ M3 Max encountering Xcode Linker Error: ‘Undefined symbols for architecture arm64’ after update (macOS Sequoia 15.1 + Xcode 16.1)

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] MacBook Pro 16″ M3 Max encountering Xcode Linker Error: ‘Undefined symbols for architecture arm64’ after update (macOS Sequoia 15.1 + Xcode 16.1)

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  • November 15, 2026 at 2:34 am #17646
    Frances Morales
    Senior Specialist (Lvl 8)
    Diagnostic Hardware Specs: MacBook Pro 16″ M3 Max (64GB) | OS Version: macOS Sequoia 15.1 + Xcode 16.1 | Archive Source: Apple Support Community #256253107

    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?

    Mac Studio M2 Max (64GB) | Neumann KM184 Pair | Logic Pro 11 | Kyoto, JP
    Classical Pianist & Spatial Audio Arranger | "Verified Apple Discussions Archive"
    November 15, 2026 at 2:34 am #17647
    Mark Schwarz
    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 M4 (24GB) | PreSonus Quantum HD 8 | Audio-Technica ATH-R70x | San Diego, CA
    Apple Certified Support Professional (ACSP) | Classical Pianist & Spatial Audio Arranger
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