Swift Package Index

Build Information

Successful build of FlatBuffers, reference master (bab107), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 04:04:08 UTC.

Swift 6 data race errors: 0

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/google/flatbuffers.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/google/flatbuffers
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at bab1075 Stage the Python license file during builds (#9015)
Cloned https://github.com/google/flatbuffers.git
Revision (git rev-parse @):
bab10754d93d74d1ff44d46de63558bc4127f7d8
SUCCESS checkout https://github.com/google/flatbuffers.git at master
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========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "flatbuffers",
      "name": "FlatBuffers",
      "url": "https://github.com/google/flatbuffers.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/flatbuffers",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/google/flatbuffers.git
[1/99040] Fetching flatbuffers
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Creating working copy for https://github.com/google/flatbuffers.git
Working copy of https://github.com/google/flatbuffers.git resolved at master (bab1075)
warning: '.resolve-product-dependencies': dependency 'flatbuffers' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/google/flatbuffers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin GRPCSwiftPlugin
[2/2] Compiling plugin SwiftProtobufPlugin
Building for debugging...
[2/6] Write sources
[5/6] Write swift-version--6988338F2F200930.txt
[7/10] Compiling Common padding.swift
[8/10] Compiling Common Int+extension.swift
[9/10] Emitting module Common
[10/10] Compiling Common Scalar.swift
[11/47] Emitting module FlatBuffers
[12/49] Compiling FlatBuffers VeriferOptions.swift
[13/49] Compiling FlatBuffers Verifiable.swift
[14/49] Compiling FlatBuffers ByteBuffer.swift
[15/49] Compiling FlatBuffers Constants.swift
[16/49] Compiling FlatBuffers Enum.swift
[17/49] Compiling FlatBuffers TableVerifier.swift
[18/49] Compiling FlatBuffers FlatbufferVector.swift
[19/49] Compiling FlatBuffers NativeObject.swift
[20/49] Compiling FlatBuffers Offset.swift
[21/49] Compiling FlatBuffers Root.swift
[22/49] Compiling FlatBuffers String+extension.swift
[23/49] Compiling FlexBuffers Constants.swift
[24/49] Compiling FlatBuffers FlatBufferBuilder.swift
[25/49] Compiling FlatBuffers FlatBufferObject.swift
[32/49] Emitting module FlexBuffers
[33/49] Compiling FlexBuffers FlexBuffersWriter.swift
[34/49] Compiling FlexBuffers Value.swift
[35/49] Compiling FlatBuffers FlatBuffersUtils.swift
[37/49] Compiling FlexBuffers functions.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/Utils/functions.swift:106:41: warning: 'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead. [#DeprecatedDeclaration]
104 | @inline(__always)
105 | func isTypedVectorType(type: FlexBufferType) -> Bool {
106 |   return type >= .vectorInt && type <= .vectorString || type == .vectorBool
    |                                         `- warning: 'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead. [#DeprecatedDeclaration]
107 | }
108 |
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[41/50] Compiling FlatBuffers Verifier.swift
[42/50] Compiling FlatBuffers _InternalByteBuffer.swift
[43/50] Compiling FlexBuffers _InternalByteBuffer.swift
[44/50] Compiling FlatBuffers FlatbuffersVectorInitializable.swift
[45/50] Compiling FlatBuffers UnionFlatbufferVector.swift
[46/50] Compiling FlatBuffers FlatbuffersErrors.swift
[47/50] Compiling FlatBuffers Message.swift
[48/50] Compiling FlatBuffers Mutable.swift
[49/50] Compiling FlatBuffers Struct.swift
[50/50] Compiling FlatBuffers Table.swift
Build complete! (20.56s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "grpc-swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.1",
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      "type" : "sourceControl",
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  "manifest_display_name" : "FlatBuffers",
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    },
    {
      "name" : "FlexBuffers",
      "targets" : [
        "FlexBuffers"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlexbuffersTests",
      "module_type" : "SwiftTarget",
      "name" : "FlexbuffersTests",
      "path" : "tests/swift/Tests/Flexbuffers",
      "sources" : [
        "FlexBuffersJSONTests.swift",
        "FlexBuffersReaderTests.swift",
        "FlexBuffersStringTests.swift",
        "FlexBuffersWriterTests.swift",
        "Mocks.swift"
      ],
      "target_dependencies" : [
        "FlexBuffers"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlexBuffers",
      "module_type" : "SwiftTarget",
      "name" : "FlexBuffers",
      "path" : "swift/Sources/FlexBuffers",
      "product_memberships" : [
        "FlexBuffers"
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      "sources" : [
        "ByteBuffer.swift",
        "FlexBufferType.swift",
        "Reader/FixedTypedVector.swift",
        "Reader/FlexBufferVector.swift",
        "Reader/Map.swift",
        "Reader/Reference.swift",
        "Reader/Sized.swift",
        "Reader/TypedVector.swift",
        "Reader/Vector.swift",
        "Utils/BitWidth.swift",
        "Utils/Constants.swift",
        "Utils/Value.swift",
        "Utils/functions.swift",
        "Writer/FlexBuffersWriter.swift",
        "_InternalByteBuffer.swift"
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      "type" : "library"
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    {
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      "module_type" : "SwiftTarget",
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      "sources" : [
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        "FlatBuffersArraysTests.swift",
        "FlatBuffersMonsterWriterTests.swift",
        "FlatBuffersNanInfTests.swift",
        "FlatBuffersStructsTests.swift",
        "FlatBuffersTests.swift",
        "FlatBuffersUnionTests.swift",
        "FlatBuffersVectorsTests.swift",
        "FlatbuffersDoubleTests.swift",
        "FlatbuffersMoreDefaults.swift",
        "FlatbuffersVerifierTests.swift",
        "MutatingBool_generated.swift",
        "arrays_test_generated.swift",
        "empty_vtable_generated.swift",
        "monster_test.grpc.swift",
        "monster_test_generated.swift",
        "more_defaults_generated.swift",
        "nan_inf_test_generated.swift",
        "optional_scalars_generated.swift",
        "union_vector_generated.swift",
        "vector_has_test_generated.swift"
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        "FlatBufferObject.swift",
        "FlatBuffersUtils.swift",
        "FlatbuffersErrors.swift",
        "Message.swift",
        "Mutable.swift",
        "NativeObject.swift",
        "Offset.swift",
        "Root.swift",
        "String+extension.swift",
        "Struct.swift",
        "Table.swift",
        "TableVerifier.swift",
        "Vectors/FlatbufferVector.swift",
        "Vectors/FlatbuffersVectorInitializable.swift",
        "Vectors/UnionFlatbufferVector.swift",
        "VeriferOptions.swift",
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        "_InternalByteBuffer.swift"
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  ],
  "tools_version" : "5.10"
}
Done.