Swift Package Index

Build Information

Failed to build swift-usb, reference main (718095), with Swift 6.2 for visionOS using Xcode 26.3 on 27 Sep 2025 20:59:51 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-usb -destination generic/platform=xrOS

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jaekong/swift-usb.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jaekong/swift-usb
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7180954 fix: change to older libusb init API
Cloned https://github.com/jaekong/swift-usb.git
Revision (git rev-parse @):
7180954078ec99ab0952a05dda371b0e601cb7f2
SUCCESS checkout https://github.com/jaekong/swift-usb.git at main
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/jaekong/swift-usb.git
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libusb-1.0 using your system-packager:
    brew install libusb
Resolve Package Graph
you may be able to install libusb-1.0 using your system-packager:
    brew install libusb
Resolved source packages:
  swift-usb: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-usb
2025-09-27 16:59:38.905 xcodebuild[523:3051] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-usb",
  "name" : "swift-usb",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "USB",
      "targets" : [
        "USB"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "USB",
      "module_type" : "SwiftTarget",
      "name" : "USB",
      "path" : "Sources/USB",
      "product_memberships" : [
        "USB"
      ],
      "sources" : [
        "USB.swift",
        "USBConfiguration.swift",
        "USBDevice.swift",
        "USBDeviceClass.swift",
        "USBEndpoint.swift",
        "USBError.swift",
        "USBInterface.swift",
        "USBTransferError.swift",
        "Utility.swift"
      ],
      "target_dependencies" : [
        "CLibUSB"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CLibUSB",
      "module_type" : "SystemLibraryTarget",
      "name" : "CLibUSB",
      "path" : "Sources/CLibUSB",
      "product_memberships" : [
        "USB"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-usb"
    ]
  }
}
2025-09-27 16:59:43.486 xcodebuild[613:3679] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-usb -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme swift-usb -destination generic/platform=xrOS
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libusb-1.0 using your system-packager:
    brew install libusb
Resolved source packages:
  swift-usb: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'USB' in project 'swift-usb'
        ➜ Explicit dependency on target 'USB' in project 'swift-usb'
    Target 'USB' in project 'swift-usb'
        ➜ Explicit dependency on target 'CLibUSB' in project 'swift-usb'
    Target 'CLibUSB' in project 'swift-usb' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 57d52d2d154e6d711e1b5ceb939e8a3a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/57d52d2d154e6d711e1b5ceb939e8a3a.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.DependencyMetadataFileList (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.DependencyStaticMetadataFileList (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.modulemap (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.LinkFileList (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB_const_extract_protocols.json (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-OutputFileMap.json (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftConstValuesFileList (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftFileList (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/USB.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.modulemap (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/USB.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver USB normal arm64 com.apple.xcode.tools.swift.compiler (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name USB -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanner failure: While building module 'CLibUSB' imported from CLibUSB-1a40417a.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: fatal error: 'libusb.h' file not found
CLibUSB-1a40417a.input:1:1: fatal error: could not build module 'CLibUSB'
 (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: Unable to find module dependency: 'CLibUSB'
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: note: A dependency of main module 'USB'
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBConfiguration.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDevice.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDeviceClass.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBEndpoint.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBError.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBInterface.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBTransferError.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/Utility.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
2025-09-27 16:59:44.882 xcodebuild[622:3719] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
error: Clang dependency scanner failure: While building module 'CLibUSB' imported from CLibUSB-1a40417a.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: fatal error: 'libusb.h' file not found
CLibUSB-1a40417a.input:1:1: fatal error: could not build module 'CLibUSB'
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: Unable to find module dependency: 'CLibUSB'
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: note: a dependency of main module 'USB'
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBConfiguration.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDevice.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDeviceClass.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBEndpoint.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBError.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBInterface.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBTransferError.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/Utility.swift:1:8: note: also imported here
import CLibUSB
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver USB normal arm64 com.apple.xcode.tools.swift.compiler (in target 'USB' from project 'swift-usb')
	Building workspace spi-builder-workspace with scheme swift-usb
(2 failures)
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libusb-1.0 using your system-packager:
    brew install libusb
Resolved source packages:
  swift-usb: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-usb
2025-09-27 16:59:49.216 xcodebuild[654:3900] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-usb",
  "name" : "swift-usb",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "USB",
      "targets" : [
        "USB"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "USB",
      "module_type" : "SwiftTarget",
      "name" : "USB",
      "path" : "Sources/USB",
      "product_memberships" : [
        "USB"
      ],
      "sources" : [
        "USB.swift",
        "USBConfiguration.swift",
        "USBDevice.swift",
        "USBDeviceClass.swift",
        "USBEndpoint.swift",
        "USBError.swift",
        "USBInterface.swift",
        "USBTransferError.swift",
        "Utility.swift"
      ],
      "target_dependencies" : [
        "CLibUSB"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CLibUSB",
      "module_type" : "SystemLibraryTarget",
      "name" : "CLibUSB",
      "path" : "Sources/CLibUSB",
      "product_memberships" : [
        "USB"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-usb"
    ]
  }
}
2025-09-27 16:59:50.250 xcodebuild[669:3976] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-usb -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-26.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme swift-usb -destination generic/platform=xrOS
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libusb-1.0 using your system-packager:
    brew install libusb
Resolved source packages:
  swift-usb: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'USB' in project 'swift-usb'
        ➜ Explicit dependency on target 'USB' in project 'swift-usb'
    Target 'USB' in project 'swift-usb'
        ➜ Explicit dependency on target 'CLibUSB' in project 'swift-usb'
    Target 'CLibUSB' in project 'swift-usb' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache
SwiftDriver USB normal arm64 com.apple.xcode.tools.swift.compiler (in target 'USB' from project 'swift-usb')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name USB -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M336-8bc37e7eb40af32ceea9b4340296f08d.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-usb.build/Debug-xros/USB.build/Objects-normal/arm64/USB-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanner failure: While building module 'CLibUSB' imported from CLibUSB-decfdb1b.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: fatal error: 'libusb.h' file not found
CLibUSB-decfdb1b.input:1:1: fatal error: could not build module 'CLibUSB'
 (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: Unable to find module dependency: 'CLibUSB'
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: note: A dependency of main module 'USB'
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBConfiguration.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDevice.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDeviceClass.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBEndpoint.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBError.swift:2:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBInterface.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBTransferError.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
/Users/admin/builder/spi-builder-workspace/Sources/USB/Utility.swift:1:8: note: Also imported here
import CLibUSB
       ^ (in target 'USB' from project 'swift-usb')
2025-09-27 16:59:51.082 xcodebuild[678:4016] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
error: Clang dependency scanner failure: While building module 'CLibUSB' imported from CLibUSB-decfdb1b.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: fatal error: 'libusb.h' file not found
CLibUSB-decfdb1b.input:1:1: fatal error: could not build module 'CLibUSB'
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: Unable to find module dependency: 'CLibUSB'
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USB.swift:2:8: note: a dependency of main module 'USB'
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBConfiguration.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDevice.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBDeviceClass.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBEndpoint.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBError.swift:2:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBInterface.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/USBTransferError.swift:1:8: note: also imported here
import CLibUSB
       ^
/Users/admin/builder/spi-builder-workspace/Sources/USB/Utility.swift:1:8: note: also imported here
import CLibUSB
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver USB normal arm64 com.apple.xcode.tools.swift.compiler (in target 'USB' from project 'swift-usb')
	Building workspace spi-builder-workspace with scheme swift-usb
(2 failures)
BUILD FAILURE 6.2 visionOS