Swift Package Index

Build Information

Failed to build x11-example, reference master (143d4a), with Swift 6.3 for watchOS using Xcode 26.4 on 10 Apr 2026 20:13:47 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme x11-example -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/terhechte/swift-x11-example.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/terhechte/swift-x11-example
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 143d4ab Merge pull request #3 from aestesis/master
Cloned https://github.com/terhechte/swift-x11-example.git
Revision (git rev-parse @):
143d4abfd517fdca5500b04783479df07ed97429
SUCCESS checkout https://github.com/terhechte/swift-x11-example.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/terhechte/swift-x11-example.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/aestesis/X11.git
Creating working copy of package ‘X11’
Checking out 1.0.2 of package ‘X11’
ignoring declared target(s) 'X11' in the system packageResolve Package Graph
ignoring declared target(s) 'X11' in the system package
Resolved source packages:
  x11-example: /Users/admin/builder/spi-builder-workspace
  X11: https://github.com/aestesis/X11.git @ 1.0.2
resolved source packages: x11-example, X11
2026-04-10 16:13:31.157 xcodebuild[529:3032] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "x11",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/aestesis/X11.git"
    }
  ],
  "manifest_display_name" : "x11-example",
  "name" : "x11-example",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "x11-example",
      "targets" : [
        "DEMO"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DEMO",
      "module_type" : "SwiftTarget",
      "name" : "DEMO",
      "path" : ".",
      "product_dependencies" : [
        "X11"
      ],
      "product_memberships" : [
        "x11-example"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "x11-example"
    ]
  }
}
2026-04-10 16:13:38.955 xcodebuild[665:3924] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme x11-example -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 x11-example -destination generic/platform=watchOS
Resolve Package Graph
ignoring declared target(s) 'X11' in the system package
Resolve Package Graph
ignoring declared target(s) 'X11' in the system package
Resolved source packages:
  x11-example: /Users/admin/builder/spi-builder-workspace
  X11: https://github.com/aestesis/X11.git @ 1.0.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'x11-example' in project 'x11-example'
        ➜ Explicit dependency on target 'X11' in project 'X11'
        ➜ Explicit dependency on target 'X11' in project 'X11'
    Target 'X11' in project 'X11'
        ➜ Explicit dependency on target 'X11' in project 'X11'
    Target 'X11' in project 'X11' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 3f4dffbfb9add536d732cc355eb31a43
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3f4dffbfb9add536d732cc355eb31a43.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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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/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-watchos
    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-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/x11-example.DependencyStaticMetadataFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/x11-example.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/x11-example.DependencyMetadataFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/x11-example.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.SwiftFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.SwiftFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.LinkFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-OutputFileMap.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.LinkFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-OutputFileMap.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.SwiftFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.LinkFileList (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-OutputFileMap.json (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-OutputFileMap.json
SwiftDriver x11-example normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64_32-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver x11-example normal arm64 com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver x11-example normal armv7k com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target armv7k-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal armv7k Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target armv7k-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.abi.json
SwiftCompile normal armv7k Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target arm64_32-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.abi.json
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
SwiftCompile normal arm64_32 Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target arm64-apple-watchos5.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.abi.json
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
2026-04-10 16:13:40.976 xcodebuild[672:3995] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal armv7k Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal arm64_32 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	Building workspace spi-builder-workspace with scheme x11-example
(7 failures)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
ignoring declared target(s) 'X11' in the system package
Resolved source packages:
  x11-example: /Users/admin/builder/spi-builder-workspace
  X11: https://github.com/aestesis/X11.git @ 1.0.2
resolved source packages: x11-example, X11
2026-04-10 16:13:44.445 xcodebuild[703:4189] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "x11",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/aestesis/X11.git"
    }
  ],
  "manifest_display_name" : "x11-example",
  "name" : "x11-example",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "x11-example",
      "targets" : [
        "DEMO"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DEMO",
      "module_type" : "SwiftTarget",
      "name" : "DEMO",
      "path" : ".",
      "product_dependencies" : [
        "X11"
      ],
      "product_memberships" : [
        "x11-example"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "x11-example"
    ]
  }
}
2026-04-10 16:13:45.716 xcodebuild[713:4265] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme x11-example -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 x11-example -destination generic/platform=watchOS
Resolve Package Graph
ignoring declared target(s) 'X11' in the system package
Resolved source packages:
  x11-example: /Users/admin/builder/spi-builder-workspace
  X11: https://github.com/aestesis/X11.git @ 1.0.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'x11-example' in project 'x11-example'
        ➜ Explicit dependency on target 'X11' in project 'X11'
        ➜ Explicit dependency on target 'X11' in project 'X11'
    Target 'X11' in project 'X11'
        ➜ Explicit dependency on target 'X11' in project 'X11'
    Target 'X11' in project 'X11' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
SwiftDriver x11-example normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64_32-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver x11-example normal arm64 com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target arm64-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver x11-example normal armv7k com.apple.xcode.tools.swift.compiler (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name x11_example -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -target armv7k-apple-watchos5.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal armv7k Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target armv7k-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/armv7k/x11_example.abi.json
SwiftEmitModule normal arm64 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target arm64-apple-watchos5.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64/x11_example.abi.json
SwiftCompile normal armv7k Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/main.swift -target arm64_32-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name x11_example -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name watchos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftsourceinfo -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11-example-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/x11-example.build/Debug-watchos/x11-example.build/Objects-normal/arm64_32/x11_example.abi.json
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/X11/module.modulemap:4:16: error: header '/usr/include/X11/Xlib.h' not found
        header "/usr/include/X11/Xlib.h"
               ^
/Users/admin/builder/spi-builder-workspace/main.swift:1:8: error: could not build Objective-C module 'X11'
import X11.Xlib
       ^
SwiftCompile normal arm64_32 Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ main.swift /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

2026-04-10 16:13:46.566 xcodebuild[716:4297] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal armv7k Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftEmitModule normal arm64_32 Emitting\ module\ for\ x11_example (in target 'x11-example' from project 'x11-example')
	SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/main.swift (in target 'x11-example' from project 'x11-example')
	Building workspace spi-builder-workspace with scheme x11-example
(7 failures)
BUILD FAILURE 6.3 watchOS