Build Information
Successful build of FlatBuffers, reference v25.12.19 (7e1630), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 09:27:35 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/google/flatbuffers.git
Reference: v25.12.19
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/google/flatbuffers
* tag v25.12.19 -> FETCH_HEAD
HEAD is now at 7e16302 FlatBuffers Version 25.12.19 (#8871)
Cloned https://github.com/google/flatbuffers.git
Revision (git rev-parse @):
7e163021e59cca4f8e1e35a7c828b5c6b7915953
SUCCESS checkout https://github.com/google/flatbuffers.git at v25.12.19
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/google/flatbuffers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
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warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/tests/swift/Tests/Flatbuffers/monsterdata_test.mon
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/Utils/functions.swift:106:41: [1;33mwarning: [1;39m'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m104 |[0;0m @inline(__always)
[0;36m105 |[0;0m func isTypedVectorType(type: FlexBufferType) -> Bool {
[0;36m106 |[0;0m return type >= .vectorInt && type <= .vectorString || type == .vectorBool
[0;36m|[0;0m `- [1;33mwarning: [1;39m'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m107 |[0;0m }
[0;36m108 |[0;0m
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
{
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Done.