Build Information
Failed to build Seagull, reference master (4c9a7f), with Swift 6.4 for Android on 15 Sep 2026 20:47:18 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/gavrilaf/seagull.git
Reference: master
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/gavrilaf/seagull
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 4c9a7f6 Update README.md
Cloned https://github.com/gavrilaf/seagull.git
Revision (git rev-parse @):
4c9a7f6c9cd8d8a306a70c08174eaea77b96e46e
SUCCESS checkout https://github.com/gavrilaf/seagull.git at master
========================================
Build
========================================
Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/gavrilaf/seagull.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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
Fetching https://github.com/gavrilaf/SgRouter.git
Fetching https://github.com/antitypical/Result.git
Fetching https://github.com/gavrilaf/SwiftPerfTool.git
Fetching https://github.com/apple/swift-nio.git
[1/90] Fetching sgrouter
[45/162] Fetching sgrouter, swiftperftool
[163/2695] Fetching sgrouter, swiftperftool, result
[2696/88642] Fetching sgrouter, swiftperftool, result, swift-nio
Fetched https://github.com/gavrilaf/SwiftPerfTool.git (2.98s)
Fetched https://github.com/gavrilaf/SgRouter.git (2.98s)
Fetched https://github.com/antitypical/Result.git (2.99s)
Fetched https://github.com/apple/swift-nio.git (3.02s)
Computing version for https://github.com/gavrilaf/SwiftPerfTool.git
Computed https://github.com/gavrilaf/SwiftPerfTool.git at 0.1.1 (3.21s)
Computing version for https://github.com/gavrilaf/SgRouter.git
Computed https://github.com/gavrilaf/SgRouter.git at 0.1.1 (0.18s)
Computing version for https://github.com/antitypical/Result.git
Computed https://github.com/antitypical/Result.git at 4.1.0 (1.06s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (0.21s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git (0.43s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.61s)
Creating working copy for https://github.com/gavrilaf/SwiftPerfTool.git
Working copy of https://github.com/gavrilaf/SwiftPerfTool.git resolved at 0.1.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/gavrilaf/SgRouter.git
Working copy of https://github.com/gavrilaf/SgRouter.git resolved at 0.1.1
Creating working copy for https://github.com/antitypical/Result.git
Working copy of https://github.com/antitypical/Result.git resolved at 4.1.0
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
Building for debugging...
[Computing dependencies]
[Provisioning 24 / 25]
[Pre-planning 1 / 514]
[Creating build graph]
[100 / 175] NIOConcurrencyHelpers
[1m/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:50:16: [0m[0;1;31merror: [0m[1mcall to undeclared function 'TEMP_FAILURE_RETRY'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
50 | [0;34mreturn[0m TEMP_FAILURE_RETRY(prctl(PR_GET_NAME, name)) == -[0;32m1[0m ? -[0;32m1[0m : [0;32m0[0m;[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:55:14: [0m[0;1;31merror: [0m[1mcall to undeclared function 'TEMP_FAILURE_RETRY'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
55 | [0;34mint[0m fd = TEMP_FAILURE_RETRY(open(comm_name, O_CLOEXEC | O_RDONLY));[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:59:36: [0m[0;1;31merror: [0m[1mcall to undeclared function 'read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
59 | ssize_t n = TEMP_FAILURE_RETRY(read(fd, name, len));[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:59:36: [0m[0;1;36mnote: [0mdid you mean 'fread'?[0m
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:17:
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/include/CNIOLinux.h:17:
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/include/ifaddrs-android.h:37:
[1m/android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/stdio.h:116:8: [0m[0;1;36mnote: [0m'fread' declared here[0m
116 | size_t fread([0;34mvoid[0m* [0;34m_Nonnull[0m __buf, size_t __size, size_t __count, FILE* [0;34m_Nonnull[0m __fp);[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c:60:5: [0m[0;1;31merror: [0m[1mcall to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
60 | close(fd);[0m
| [0;1;32m ^
[0m4 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/shim.o /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c normal aarch64 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/clang -x c -target aarch64-unknown-linux-android28 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -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 -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/shim.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/shim.dia -c /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/shim.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-android-aarch64/CNIOLinux-t.build/Objects-normal/aarch64/shim.o
error: Build failed
BUILD FAILURE 6.4 android