Build Information
Failed to build swift-create-xcframework, reference v2.3.0 (0be3a6), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 15:04:52 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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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/unsignedapps/swift-create-xcframework.git
Reference: v2.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/unsignedapps/swift-create-xcframework
* tag v2.3.0 -> FETCH_HEAD
HEAD is now at 0be3a68 Bump Command.swift
Cloned https://github.com/unsignedapps/swift-create-xcframework.git
Revision (git rev-parse @):
0be3a68c84987493a7d7298027274a0862bc5ccd
SUCCESS checkout https://github.com/unsignedapps/swift-create-xcframework.git at v2.3.0
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/unsignedapps/swift-create-xcframework.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1248]
[Planning deferred tasks]
[Constructing 939 / 3458]
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[244 / 1313] ArgumentParserToolInfo
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[315 / 1429] llvmSupport
[322 / 1429] TSCLibc
[332 / 1429]
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[337 / 1429] SystemPackage
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[356 / 1429] llvmSupport
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[396 / 1429] PackageCollectionsModel
[411 / 1429] llbuildCore
[414 / 1429] Yams
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[439 / 1429] libllbuild
[440 / 1429] libllbuild
Fetching https://github.com/apple/swift-package-manager.git
[1/191665] Fetching swift-package-manager
Fetched https://github.com/apple/swift-package-manager.git (29.44s)
Fetching https://github.com/apple/swift-tools-support-core.git
[1/7390] Fetching swift-tools-support-core
Fetched https://github.com/apple/swift-tools-support-core.git (1.61s)
Fetching https://github.com/apple/swift-llbuild.git
[1/29880] Fetching swift-llbuild
Fetched https://github.com/apple/swift-llbuild.git (4.40s)
Fetching https://github.com/apple/swift-driver.git
[1/38833] Fetching swift-driver
Fetched https://github.com/apple/swift-driver.git (2.60s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/apple/swift-argument-parser.git
[1/18542] Fetching swift-crypto
[2/30403] Fetching swift-crypto, yams
[3/37301] Fetching swift-crypto, yams, swift-system
[835/56219] Fetching swift-crypto, yams, swift-system, swift-argument-parser
[1457/83539] Fetching swift-crypto, yams, swift-system, swift-argument-parser, swift-collections
Fetched https://github.com/apple/swift-system.git (3.84s)
Fetched https://github.com/apple/swift-argument-parser.git (3.98s)
Fetched https://github.com/jpsim/Yams.git (3.98s)
Fetched https://github.com/apple/swift-collections.git (3.98s)
Fetched https://github.com/apple/swift-crypto.git (3.98s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.0.3 (4.69s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.1.1 (0.69s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 1.1.7 (0.72s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (0.70s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 4.0.6 (0.67s)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 1.1.7
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 4.0.6
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.0.6
Creating working copy for https://github.com/apple/swift-package-manager.git
Working copy of https://github.com/apple/swift-package-manager.git resolved at release/5.7 (c6e40ad)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at release/5.7 (564424d)
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at release/5.7 (286b48b)
Creating working copy for https://github.com/apple/swift-driver.git
Working copy of https://github.com/apple/swift-driver.git resolved at release/5.7 (82b274a)
[1m/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp:88:12: [0m[0;1;31merror: [0m[1mstatic declaration of 'posix_spawn_file_actions_addchdir' follows non-static declaration[0m
88 | [0;34mstatic[0m [0;34mint[0m posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t * __restrict file_actions,[0m
| [0;1;32m ^
[0mIn file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp:42:
[1m/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/spawn.h:72:9: [0m[0;1;36mnote: [0mprevious declaration is here[0m
72 | [0;34mint[0m posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t *,[0m
| [0;1;32m ^
[0m1 error generated.
error: CompileC /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp normal arm64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /Users/admin/builder
Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.dia -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o -index-unit-output-path /llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o
error: Build failed
BUILD FAILURE 6.4 macosSpm