Loro – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Loro, reference main (742c70), with Swift 5.10 for watchOS using Xcode 15.4 on 10 Dec 2025 06:33:05 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Loro -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/loro-dev/loro-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/loro-dev/loro-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 742c709 chore: update version to 1.10.3 (#30)
Cloned https://github.com/loro-dev/loro-swift.git
Revision (git rev-parse @):
742c70948521f0f793a1f9af4a85185dfe9df5d1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/loro-dev/loro-swift.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             5.10
Building package at path:  $PWD
https://github.com/loro-dev/loro-swift.git
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Loro: /Users/admin/builder/spi-builder-workspace
resolved source packages: Loro
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Loro",
  "name" : "Loro",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Loro",
      "targets" : [
        "Loro"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoroTests",
      "module_type" : "SwiftTarget",
      "name" : "LoroTests",
      "path" : "Tests/LoroTests",
      "sources" : [
        "EphemeralStoreTests.swift",
        "LoroTests.swift"
      ],
      "target_dependencies" : [
        "Loro"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LoroFFI",
      "module_type" : "BinaryTarget",
      "name" : "LoroFFI",
      "path" : "remote/archive/loroFFI.xcframework.zip",
      "product_memberships" : [
        "Loro"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "Loro",
      "module_type" : "SwiftTarget",
      "name" : "Loro",
      "path" : "Sources/Loro",
      "product_memberships" : [
        "Loro"
      ],
      "sources" : [
        "Container.swift",
        "Ephemeral.swift",
        "Event.swift",
        "Loro.swift",
        "LoroFFI.swift",
        "Value.swift",
        "Version.swift"
      ],
      "target_dependencies" : [
        "LoroFFI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Loro"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Loro -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-15.4.0.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 Loro -destination generic/platform=watchOS
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Loro: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'Loro' in project 'Loro'
        ➜ Explicit dependency on target 'Loro' in project 'Loro'
    Target 'Loro' in project 'Loro' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -v
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 4c3552eb120d601aef870eb3077dd742
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4c3552eb120d601aef870eb3077dd742.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework'. (in target 'Loro' from project 'Loro')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework'. (in target 'Loro' from project 'Loro')
** BUILD FAILED **
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Loro: /Users/admin/builder/spi-builder-workspace
resolved source packages: Loro
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Loro",
  "name" : "Loro",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Loro",
      "targets" : [
        "Loro"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoroTests",
      "module_type" : "SwiftTarget",
      "name" : "LoroTests",
      "path" : "Tests/LoroTests",
      "sources" : [
        "EphemeralStoreTests.swift",
        "LoroTests.swift"
      ],
      "target_dependencies" : [
        "Loro"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LoroFFI",
      "module_type" : "BinaryTarget",
      "name" : "LoroFFI",
      "path" : "remote/archive/loroFFI.xcframework.zip",
      "product_memberships" : [
        "Loro"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "Loro",
      "module_type" : "SwiftTarget",
      "name" : "Loro",
      "path" : "Sources/Loro",
      "product_memberships" : [
        "Loro"
      ],
      "sources" : [
        "Container.swift",
        "Ephemeral.swift",
        "Event.swift",
        "Loro.swift",
        "LoroFFI.swift",
        "Value.swift",
        "Version.swift"
      ],
      "target_dependencies" : [
        "LoroFFI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Loro"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Loro -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-15.4.0.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 Loro -destination generic/platform=watchOS
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Loro: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'Loro' in project 'Loro'
        ➜ Explicit dependency on target 'Loro' in project 'Loro'
    Target 'Loro' in project 'Loro' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -v
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 4c3552eb120d601aef870eb3077dd742
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4c3552eb120d601aef870eb3077dd742.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework'. (in target 'Loro' from project 'Loro')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LoroFFI/loroFFI.xcframework'. (in target 'Loro' from project 'Loro')
** BUILD FAILED **
BUILD FAILURE 5.10 watchOS