swift-corelibs-foundation – Build Information

Build Information

Failed to build swift-corelibs-foundation, reference main (b40c41), with Swift 6.3 for macOS (SPM) on 20 Oct 2026 01:56:48 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-corelibs-foundation.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-corelibs-foundation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b40c41e Accept Set-Cookie response header fields regardless of case (#5613)
Cloned https://github.com/swiftlang/swift-corelibs-foundation.git
Revision (git rev-parse @):
b40c41e73612385c24be821bdfe95a67fdb157a5
SUCCESS checkout https://github.com/swiftlang/swift-corelibs-foundation.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/swiftlang/swift-corelibs-foundation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64
Building for debugging...
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-foundation-icu/icuSources/include/_foundation_unicode/module.modulemap:1:8: fatal error: import of shadowed module '_FoundationICU'
    1 | module _FoundationICU {
      |        ^
/Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/_FoundationICU.build/module.modulemap:1:8: note: previous definition is here
    1 | module _FoundationICU {
      |        ^
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CFICULogging.h:18:10: note: submodule of top-level module '_FoundationICU' implicitly imported here
   18 | #include <_foundation_unicode/ucal.h>
      |          ^
1 warning and 1 error generated.
[0/613] Compiling CoreFoundation CFDateFormatter.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBinaryPList.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBundle.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBundle_InfoPlist.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBitVector.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
1 warning generated.
[0/613] Compiling CoreFoundation CFBundle_DebugStrings.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
1 warning generated.
[0/613] Compiling CoreFoundation CFBundle_Executable.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBundle_Binary.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBundle_Grok.c
In file included from <built-in>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CoreFoundation/internalInclude/CoreFoundation_Prefix.h:20:5: warning: 'TARGET_OS_WASI' is not defined, evaluates to 0 [-Wundef-prefix=TARGET_OS_]
   20 | #if TARGET_OS_WASI
      |     ^
[0/613] Compiling CoreFoundation CFBuiltinConverters.c
Fetching https://github.com/apple/swift-foundation-icu
[1/4800] Fetching swift-foundation-icu
Fetched https://github.com/apple/swift-foundation-icu from cache (80.55s)
Fetching https://github.com/apple/swift-foundation
[1/38601] Fetching swift-foundation
Fetched https://github.com/apple/swift-foundation from cache (253.15s)
Fetching https://github.com/swiftlang/swift-syntax
[1/80878] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (9.80s)
Fetching https://github.com/apple/swift-collections
[1/28904] Fetching swift-collections
Fetched https://github.com/apple/swift-collections from cache (4.37s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.3 (5.06s)
Creating working copy for https://github.com/apple/swift-foundation-icu
Working copy of https://github.com/apple/swift-foundation-icu resolved at main (e8538d2)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at main (fbbd990)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-foundation
Working copy of https://github.com/apple/swift-foundation resolved at main (d7bae74)
BUILD FAILURE 6.3 macosSpm