The Swift Package Index logo.Swift Package Index

Build Information

Failed to build Termios, reference 0.1.1 (220485), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 16:35:49 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ponyboy47/Termios.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ponyboy47/Termios
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 2204850 Correct the example code
Cloned https://github.com/ponyboy47/Termios.git
Revision (git rev-parse @):
220485037f5a5932dfaf1aaba621cb53ce26a44c
SUCCESS checkout https://github.com/ponyboy47/Termios.git at 0.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ponyboy47/Termios.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[25 / 42]
[26 / 43] ErrNo
[35 / 63]
[39 / 63]
[41 / 63]
[42 / 63]
[46 / 63] ErrNo
[53 / 64] Termios
Fetching https://github.com/Ponyboy47/ErrNo.git
[1/294] Fetching errno
Fetched https://github.com/Ponyboy47/ErrNo.git (1.24s)
Computing version for https://github.com/Ponyboy47/ErrNo.git
Computed https://github.com/Ponyboy47/ErrNo.git at 0.5.2 (1.90s)
Creating working copy for https://github.com/Ponyboy47/ErrNo.git
Working copy of https://github.com/Ponyboy47/ErrNo.git resolved at 0.5.2
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift:36:43: error: cannot find 'CBAUD' in scope
34 |
35 |     /// (not in POSIX) Baud speed mask (4+1 bits). [requires _BSD_SOURCE or _SVID_SOURCE]
36 |     public static let baud = ControlFlags(CBAUD)
   |                                           `- error: cannot find 'CBAUD' in scope
37 |
38 |     /// (not in POSIX) Extra baud speed mask (1 bit), included in baud. [requires _BSD_SOURCE or _SVID_SOURCE]
/Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift:39:48: error: cannot find 'CBAUDEX' in scope
37 |
38 |     /// (not in POSIX) Extra baud speed mask (1 bit), included in baud. [requires _BSD_SOURCE or _SVID_SOURCE]
39 |     public static let baudExtra = ControlFlags(CBAUDEX)
   |                                                `- error: cannot find 'CBAUDEX' in scope
40 |
41 |     /// Character size mask. Values are s5, s6, s7, or s8.
/Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift:72:44: error: cannot find 'LOBLK' in scope
70 |     #if os(macOS)
71 |     /// (not in POSIX) Block output from a noncurrent shell layer. For use by shl (shell layers).
72 |     public static let block = ControlFlags(LOBLK)
   |                                            `- error: cannot find 'LOBLK' in scope
73 |     #endif
74 |
/Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift:79:48: error: cannot find 'CIBAUD' in scope
77 |     bits, shifted left IBSHIFT bits. [requires _BSD_SOURCE or _SVID_SOURCE] (Not implemented on Linux.)
78 |     */
79 |     public static let inputBaud = ControlFlags(CIBAUD)
   |                                                `- error: cannot find 'CIBAUD' in scope
80 |
81 |     /**
/Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift:86:48: error: cannot find 'CMSPAR' in scope
84 |     _SVID_SOURCE]
85 |     */
86 |     public static let cmsParity = ControlFlags(CMSPAR)
   |                                                `- error: cannot find 'CMSPAR' in scope
87 |
88 |     /// (not in POSIX) Enable RTS/CTS (hardware) flow control. [requires _BSD_SOURCE or _SVID_SOURCE]
/Users/admin/builder/spi-builder-workspace/Sources/Termios/InputFlags.swift:78:47: error: cannot find 'IUCLC' in scope
 76 |
 77 |     /// (not in POSIX) Map uppercase characters to lowercase on input.
 78 |     public static let lowercased = InputFlags(IUCLC)
    |                                               `- error: cannot find 'IUCLC' in scope
 79 |
 80 |     /// Enable XON/XOFF flow control on output.
/Users/admin/builder/spi-builder-workspace/Sources/Termios/LocalFlags.swift:46:42: error: cannot find 'XCASE' in scope
 44 |     characters are converted to uppercase. [requires _BSD_SOURCE, _SVID_SOURCE, or _XOPEN_SOURCE]
 45 |     */
 46 |     public static let xCase = LocalFlags(XCASE)
    |                                          `- error: cannot find 'XCASE' in scope
 47 |
 48 |     /// Echo input characters
/Users/admin/builder/spi-builder-workspace/Sources/Termios/LocalFlags.swift:84:45: error: cannot find 'DEFECHO' in scope
 82 |     #if os(macOS)
 83 |     /// (not in POSIX) Echo only when a process is reading. (Not implemented on Linux.)
 84 |     public static let deafEcho = LocalFlags(DEFECHO)
    |                                             `- error: cannot find 'DEFECHO' in scope
 85 |     #endif
 86 |
/Users/admin/builder/spi-builder-workspace/Sources/Termios/OutputFlags.swift:39:48: error: cannot find 'OLCUC' in scope
 37 |
 38 |     /// (not in POSIX) Map lowercase characters to uppercase on output.
 39 |     public static let uppercased = OutputFlags(OLCUC)
    |                                                `- error: cannot find 'OLCUC' in scope
 40 |
 41 |     /// (XSI) Map NL to CR-NL on output.
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Termios/ControlFlags.swift /Users/admin/builder/spi-builder-workspace/Sources/Termios/InputFlags.swift /Users/admin/builder/spi-builder-workspace/Sources/Termios/LocalFlags.swift /Users/admin/builder/spi-builder-workspace/Sources/Termios/OutputFlags.swift /Users/admin/builder/spi-builder-workspace/Sources/Termios/Termios.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -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 -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Termios -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Termios.build/Debug/Termios-t.build/Objects-normal/arm64/Termios.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm