GLMSwift – Build Information – Swift Package Index

Build Information

Failed to build GLMSwift, reference main (fa5158), with Swift 6.4 for Android on 18 Sep 2026 12:56:45 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/MarSe32m/GLMSwift.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/MarSe32m/GLMSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fa51582 Update windows.yml
Cloned https://github.com/MarSe32m/GLMSwift.git
Revision (git rev-parse @):
fa51582279ddc337dbd6c839d5389169dd59100e
SUCCESS checkout https://github.com/MarSe32m/GLMSwift.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/MarSe32m/GLMSwift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Building for debugging...
[Planning deferred tasks]
[28 / 36] GLMSwift
[33 / 36] GLMSwift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/GLMSwift/Vector3.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Vector3.swift
/host/spi-builder-workspace/Sources/GLMSwift/Vector3.swift:102:16: [1;31merror: [1;39mcannot convert return expression of type 'Double' to return type 'T'[0;0m
[0;36m100 |[0;0m
[0;36m101 |[0;0m     var length: T {
[0;36m102 |[0;0m         return [4;39msqrt(lengthSquared)[0;0m
    [0;36m|[0;0m                `- [1;31merror: [1;39mcannot convert return expression of type 'Double' to return type 'T'[0;0m
[0;36m103 |[0;0m     }
[0;36m104 |[0;0m
/host/spi-builder-workspace/Sources/GLMSwift/Vector3.swift:102:21: [1;31merror: [1;39mcannot convert value of type 'T' to expected argument type 'Double'[0;0m
[0;36m100 |[0;0m
[0;36m101 |[0;0m     var length: T {
[0;36m102 |[0;0m         return sqrt(lengthSquared)
    [0;36m|[0;0m                     `- [1;31merror: [1;39mcannot convert value of type 'T' to expected argument type 'Double'[0;0m
[0;36m103 |[0;0m     }
[0;36m104 |[0;0m
/host/spi-builder-workspace/Sources/GLMSwift/Vector3.swift:116:24: [1;31merror: [1;39mno exact matches in call to global function 'acos'[0;0m
[0;36m114 |[0;0m                 return acos(x) as? T ?? 0
[0;36m115 |[0;0m             case let x as Float:
[0;36m116 |[0;0m                 return acos(x) as? T ?? 0
    [0;36m|[0;0m                        `- [1;31merror: [1;39mno exact matches in call to global function 'acos'[0;0m
[0;36m117 |[0;0m             default:
[0;36m118 |[0;0m                 return 0 as T
Foundation.acos:1:13: [1;39mnote: [1;39mcandidate expects value of type 'CGFloat' for parameter #1 (got 'Float')[0;0m
[0;36m1 |[0;0m public func acos(_ x: CGFloat) -> CGFloat
  [0;36m|[0;0m             `- [1;39mnote: [1;39mcandidate expects value of type 'CGFloat' for parameter #1 (got 'Float')[0;0m
/android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:76:8: [1;39mnote: [1;39mcandidate expects value of type 'Double' for parameter #1 (got 'Float')[0;0m
 [0;36m74 |[0;0m     : __builtin_signbitl(x))
 [0;36m75 |[0;0m
 [0;36m76 |[0;0m double acos(double __x);
    [0;36m|[0;0m        `- [1;39mnote: [1;39mcandidate expects value of type 'Double' for parameter #1 (got 'Float')[0;0m
 [0;36m77 |[0;0m float acosf(float __x);
 [0;36m78 |[0;0m long double acosl(long double __x);
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/GLMSwift/Matrix2.swift /host/spi-builder-workspace/Sources/GLMSwift/Matrix3.swift /host/spi-builder-workspace/Sources/GLMSwift/Matrix4.swift /host/spi-builder-workspace/Sources/GLMSwift/Matrix4A.swift /host/spi-builder-workspace/Sources/GLMSwift/Vector2.swift -primary-file /host/spi-builder-workspace/Sources/GLMSwift/Vector3.swift /host/spi-builder-workspace/Sources/GLMSwift/Vector4.swift /host/spi-builder-workspace/Sources/GLMSwift/glm.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.dia -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name GLMSwift -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/GLMSwift_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.o -index-unit-output-path /GLMSwift.build/Debug-android-aarch64/GLMSwift-t.build/Objects-normal/aarch64/Vector3.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android