Swift Package Index

Build Information

Failed to build YubiKit, reference 4.7.0 (2c4206), with Swift 6.3 for macOS (SPM) on 15 Apr 2026 23:50:15 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Yubico/yubikit-ios.git
Reference: 4.7.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Yubico/yubikit-ios
 * tag               4.7.0      -> FETCH_HEAD
HEAD is now at 2c42062 Merge branch 'jens/version-4.7'
Cloned https://github.com/Yubico/yubikit-ios.git
Revision (git rev-parse @):
2c4206263763743a2f1ca3309b87432588be637f
SUCCESS checkout https://github.com/Yubico/yubikit-ios.git at 4.7.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "yubikit-ios",
      "name": "YubiKit",
      "url": "https://github.com/Yubico/yubikit-ios.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/yubikit-ios",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Yubico/yubikit-ios.git
[1/7981] Fetching yubikit-ios
Fetched https://github.com/Yubico/yubikit-ios.git from cache (1.26s)
Creating working copy for https://github.com/Yubico/yubikit-ios.git
Working copy of https://github.com/Yubico/yubikit-ios.git resolved at 4.7.0 (2c42062)
warning: '.resolve-product-dependencies': dependency 'yubikit-ios' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Yubico/yubikit-ios.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/127] Compiling YKFAccessoryDescription.m
[1/127] Compiling YKFNFCError.m
/Users/admin/builder/spi-builder-workspace/YubiKit/YubiKit/Connections/AccessoryConnection/YKFAccessoryConnectionController.m:198:22: warning: variable length array folded to constant array as an extension [-Wgnu-folding-constant]
  198 |     UInt8 readBuffer[YubiKeyConnectionControllerReadBufferSize];
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
[2/127] Compiling YKFAccessoryConnectionController.m
In file included from /Users/admin/builder/spi-builder-workspace/YubiKit/YubiKit/YubiKitManager.m:17:
/Users/admin/builder/spi-builder-workspace/YubiKit/YubiKit/YubiKitManager.h:16:9: fatal error: 'UIKit/UIKit.h' file not found
   16 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
1 error generated.
[3/127] Compiling YubiKit YubiKitManager.m
[3/127] Compiling YubiKit YubiKitExternalLocalization.m
[3/127] Compiling YKFPIVPadding.m
[3/127] Compiling YKFPIVSession.m
[3/127] Compiling YubiKit YubiKitLogger.m
[3/127] Compiling YKFPIVSessionFeatures.m
/Users/admin/builder/spi-builder-workspace/YubiKit/YubiKit/Connections/NFCConnection/Sessions/YKFNFCOTPSession.m:15:9: fatal error: 'CoreNFC/CoreNFC.h' file not found
   15 | #import <CoreNFC/CoreNFC.h>
      |         ^~~~~~~~~~~~~~~~~~~
[3/127] Compiling YKFNFCOTPSession.m
/Users/admin/builder/spi-builder-workspace/YubiKit/YubiKit/Connections/NFCConnection/YKFNFCConnection.m:15:9: fatal error: 'CoreNFC/CoreNFC.h' file not found
   15 | #import <CoreNFC/CoreNFC.h>
      |         ^~~~~~~~~~~~~~~~~~~
[3/127] Compiling YKFNFCConnection.m
[3/127] Compiling YKFSessionError.m
[3/127] Compiling YKFAccessoryConnectionConfiguration.m
BUILD FAILURE 6.3 macosSpm