Swift Package IndexBuild Information
Successful build of Glur, reference main (ba4f05), with Swift 6.1 for macOS (SPM) on 13 Aug 2026 12:48:23 UTC.
Swift 6 data race errors: 2
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCapturesBuild Log
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RunAll
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Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/joogps/Glur.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/joogps/Glur
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ba4f05d Merge pull request #28 from joogps/mac-backdrop-fix
Cloned https://github.com/joogps/Glur.git
Revision (git rev-parse @):
ba4f05d3c9a608ec773b9305f2af6089390de68a
SUCCESS checkout https://github.com/joogps/Glur.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/joogps/Glur.git
https://github.com/joogps/Glur.git
{
"dependencies" : [
],
"manifest_display_name" : "Glur",
"name" : "Glur",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "Glur",
"targets" : [
"Glur"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "GlurBackdrop",
"targets" : [
"GlurBackdrop"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GlurBackdrop",
"module_type" : "SwiftTarget",
"name" : "GlurBackdrop",
"path" : "Sources/GlurBackdrop",
"product_memberships" : [
"GlurBackdrop"
],
"sources" : [
"BackdropBlurFilter.swift",
"GlurBackdropNSView.swift",
"GlurBackdropUIView.swift",
"GlurView.swift"
],
"target_dependencies" : [
"Glur"
],
"type" : "library"
},
{
"c99name" : "Glur",
"module_type" : "SwiftTarget",
"name" : "Glur",
"path" : "Sources/Glur",
"product_memberships" : [
"Glur",
"GlurBackdrop"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Glur/Resources/blur.metal",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Glur/Resources/noise.metal",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"BlurDirection.swift",
"CompatibilityModifier.swift",
"Glur.swift",
"GlurMask.swift",
"GlurModifier.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/5] Write sources
[2/5] Copying noise.metal
[2/5] Copying blur.metal
[4/5] Write swift-version-2F0A5646E1D333AE.txt
[6/12] Compiling Glur resource_bundle_accessor.swift
[7/12] Compiling Glur GlurModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/Glur/GlurModifier.swift:64:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
62 |
63 | fileprivate struct SizePreferenceKey: PreferenceKey {
64 | static var defaultValue: CGSize = .zero
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
65 |
66 | static func reduce(value: inout CGSize, nextValue: () -> CGSize) {
[8/12] Compiling Glur GlurMask.swift
/Users/admin/builder/spi-builder-workspace/Sources/Glur/GlurMask.swift:272:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'GlurMask.Cache' may have shared mutable state; this is an error in the Swift 6 language mode
270 | }
271 |
272 | private static let cache = Cache()
| |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'GlurMask.Cache' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'cache' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
273 |
274 | /// Gradients depend only on their own parameters, never on the size of the view they
275 | /// end up on, so a rendered one can be held on to for as long as it's being used.
276 | private final class Cache {
| `- note: class 'Cache' does not conform to the 'Sendable' protocol
277 | private var storage: [Ramp: CGImage] = [:]
278 | private let lock = NSLock()
[9/12] Compiling Glur Glur.swift
[10/12] Compiling Glur CompatibilityModifier.swift
[11/12] Compiling Glur BlurDirection.swift
[12/12] Emitting module Glur
/Users/admin/builder/spi-builder-workspace/Sources/Glur/GlurMask.swift:272:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'GlurMask.Cache' may have shared mutable state; this is an error in the Swift 6 language mode
270 | }
271 |
272 | private static let cache = Cache()
| |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'GlurMask.Cache' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'cache' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
273 |
274 | /// Gradients depend only on their own parameters, never on the size of the view they
275 | /// end up on, so a rendered one can be held on to for as long as it's being used.
276 | private final class Cache {
| `- note: class 'Cache' does not conform to the 'Sendable' protocol
277 | private var storage: [Ramp: CGImage] = [:]
278 | private let lock = NSLock()
/Users/admin/builder/spi-builder-workspace/Sources/Glur/GlurModifier.swift:64:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
62 |
63 | fileprivate struct SizePreferenceKey: PreferenceKey {
64 | static var defaultValue: CGSize = .zero
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
65 |
66 | static func reduce(value: inout CGSize, nextValue: () -> CGSize) {
[13/17] Compiling GlurBackdrop GlurView.swift
[14/17] Compiling GlurBackdrop GlurBackdropUIView.swift
[15/17] Compiling GlurBackdrop BackdropBlurFilter.swift
[16/17] Emitting module GlurBackdrop
[17/17] Compiling GlurBackdrop GlurBackdropNSView.swift
Build complete! (9.43s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Glur",
"name" : "Glur",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "Glur",
"targets" : [
"Glur"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "GlurBackdrop",
"targets" : [
"GlurBackdrop"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GlurBackdrop",
"module_type" : "SwiftTarget",
"name" : "GlurBackdrop",
"path" : "Sources/GlurBackdrop",
"product_memberships" : [
"GlurBackdrop"
],
"sources" : [
"BackdropBlurFilter.swift",
"GlurBackdropNSView.swift",
"GlurBackdropUIView.swift",
"GlurView.swift"
],
"target_dependencies" : [
"Glur"
],
"type" : "library"
},
{
"c99name" : "Glur",
"module_type" : "SwiftTarget",
"name" : "Glur",
"path" : "Sources/Glur",
"product_memberships" : [
"Glur",
"GlurBackdrop"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Glur/Resources/blur.metal",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Glur/Resources/noise.metal",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"BlurDirection.swift",
"CompatibilityModifier.swift",
"Glur.swift",
"GlurMask.swift",
"GlurModifier.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.