Swift Package IndexBuild Information
Failed to build swift-kafka-client, reference 1.0.0-alpha.9 (434af1), with Swift 6.3 for macOS (SPM) on 16 Apr 2026 04:10:52 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/swift-server/swift-kafka-client.git
Reference: 1.0.0-alpha.9
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-server/swift-kafka-client
* tag 1.0.0-alpha.9 -> FETCH_HEAD
HEAD is now at 434af11 Use `openssl@3` when building on macOS (#193)
Submodule path 'Sources/Crdkafka/librdkafka': checked out 'b4c608570f796c18ff2211a7af876046d264d392'
Submodule 'Sources/Crdkafka/librdkafka' (https://github.com/confluentinc/librdkafka) registered for path 'Sources/Crdkafka/librdkafka'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka'...
Cloned https://github.com/swift-server/swift-kafka-client.git
Revision (git rev-parse @):
434af114fda74d87e344980917d196f957dab1ec
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-server/swift-kafka-client.git at 1.0.0-alpha.9
Fetching https://github.com/facebook/zstd.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-metrics
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[20859/179608] Fetching swift-metrics, swift-service-lifecycle, swift-log, zstd, swift-nio
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (6.10s)
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Fetched https://github.com/apple/swift-nio.git from cache (6.10s)
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Fetched https://github.com/apple/swift-log.git from cache (6.10s)
Computing version for https://github.com/facebook/zstd.git
Computed https://github.com/facebook/zstd.git at 1.5.7 (9.65s)
Computing version for https://github.com/apple/swift-metrics
Computed https://github.com/apple/swift-metrics at 2.10.0 (0.63s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.11.0 (0.60s)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/6241] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git from cache (1.01s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (1.69s)
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[1/23537] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.26s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (2.97s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.68s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (0.75s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-atomics.git
[1/1820] Fetching swift-atomics
[602/7421] Fetching swift-atomics, swift-system
Fetched https://github.com/apple/swift-atomics.git from cache (0.97s)
[1513/5601] Fetching swift-system
Fetched https://github.com/apple/swift-system.git from cache (1.21s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.93s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.68s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/facebook/zstd.git
Working copy of https://github.com/facebook/zstd.git resolved at 1.5.7
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.3
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.11.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-metrics
Working copy of https://github.com/apple/swift-metrics resolved at 2.10.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-kafka-client",
"name": "swift-kafka-client",
"url": "https://github.com/swift-server/swift-kafka-client.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-kafka-client",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-nio",
"name": "swift-nio",
"url": "https://github.com/apple/swift-nio.git",
"version": "2.97.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
"traits": [
"default"
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"dependencies": [
{
"identity": "swift-atomics",
"name": "swift-atomics",
"url": "https://github.com/apple/swift-atomics.git",
"version": "1.3.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-atomics",
"traits": [
"default"
],
"dependencies": [
]
},
{
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"name": "swift-collections",
"url": "https://github.com/apple/swift-collections.git",
"version": "1.4.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
"traits": [
"default"
],
"dependencies": [
]
},
{
"identity": "swift-system",
"name": "swift-system",
"url": "https://github.com/apple/swift-system.git",
"version": "1.6.4",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-system",
"traits": [
"default"
],
"dependencies": [
]
}
]
},
{
"identity": "swift-service-lifecycle",
"name": "swift-service-lifecycle",
"url": "https://github.com/swift-server/swift-service-lifecycle.git",
"version": "2.11.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-service-lifecycle",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-log",
"name": "swift-log",
"url": "https://github.com/apple/swift-log.git",
"version": "1.12.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
"traits": [
"default"
],
"dependencies": [
]
},
{
"identity": "swift-async-algorithms",
"name": "swift-async-algorithms",
"url": "https://github.com/apple/swift-async-algorithms.git",
"version": "1.1.3",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-async-algorithms",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-collections",
"name": "swift-collections",
"url": "https://github.com/apple/swift-collections.git",
"version": "1.4.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
},
{
"identity": "swift-log",
"name": "swift-log",
"url": "https://github.com/apple/swift-log.git",
"version": "1.12.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
"traits": [
"default"
],
"dependencies": [
]
},
{
"identity": "swift-metrics",
"name": "swift-metrics",
"url": "https://github.com/apple/swift-metrics",
"version": "2.10.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-metrics",
"traits": [
"default"
],
"dependencies": [
]
},
{
"identity": "zstd",
"name": "zstd",
"url": "https://github.com/facebook/zstd.git",
"version": "1.5.7",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/zstd",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/swift-server/swift-kafka-client.git
[1/5664] Fetching swift-kafka-client
Fetched https://github.com/swift-server/swift-kafka-client.git from cache (2.41s)
Fetching https://github.com/apple/swift-nio.git from cache
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/apple/swift-metrics from cache
Fetching https://github.com/swift-server/swift-service-lifecycle.git from cache
Fetching https://github.com/facebook/zstd.git from cache
Fetched https://github.com/apple/swift-nio.git from cache (0.91s)
Fetched https://github.com/apple/swift-metrics from cache (0.91s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (0.91s)
Fetched https://github.com/apple/swift-log.git from cache (0.91s)
Fetched https://github.com/facebook/zstd.git from cache (0.92s)
Computing version for https://github.com/facebook/zstd.git
Computed https://github.com/facebook/zstd.git at 1.5.7 (1.11s)
Computing version for https://github.com/apple/swift-metrics
Computed https://github.com/apple/swift-metrics at 2.10.0 (0.06s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.11.0 (0.04s)
Fetching https://github.com/apple/swift-async-algorithms.git from cache
Fetched https://github.com/apple/swift-async-algorithms.git from cache (0.48s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (0.57s)
Fetching https://github.com/apple/swift-collections.git from cache
Fetched https://github.com/apple/swift-collections.git from cache (0.56s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.66s)
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Computed https://github.com/apple/swift-log.git at 1.12.0 (0.05s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (0.04s)
Fetching https://github.com/apple/swift-system.git from cache
Fetching https://github.com/apple/swift-atomics.git from cache
Fetched https://github.com/apple/swift-system.git from cache (0.48s)
Fetched https://github.com/apple/swift-atomics.git from cache (0.48s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.54s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.03s)
Creating working copy for https://github.com/facebook/zstd.git
Working copy of https://github.com/facebook/zstd.git resolved at 1.5.7
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.3
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.11.0
Creating working copy for https://github.com/swift-server/swift-kafka-client.git
Working copy of https://github.com/swift-server/swift-kafka-client.git resolved at 1.0.0-alpha.9 (434af11)
Creating working copy for https://github.com/apple/swift-metrics
Working copy of https://github.com/apple/swift-metrics resolved at 2.10.0
warning: '.resolve-product-dependencies': dependency 'swift-kafka-client' is not used by any target
Found 5 product dependencies
- swift-nio
- swift-service-lifecycle
- swift-log
- swift-metrics
- zstd
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swift-server/swift-kafka-client.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/116] Compiling pb_common.c
[1/116] Compiling pb_decode.c
[2/116] Write sources
[4/116] Compiling common.pb.c
[5/116] Write sources
[16/116] Write swift-version--6988338F2F200930.txt
[17/116] Compiling _AtomicsShims.c
[18/120] Compiling tinycthread_extra.c
/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdbase64.c:32:10: fatal error: 'openssl/ssl.h' file not found
32 | #include <openssl/ssl.h>
| ^~~~~~~~~~~~~~~
1 error generated.
[19/120] Compiling rdbase64.c
[19/120] Compiling rdaddr.c
[19/120] Compiling rdcrc32.c
/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdkafka.c:31:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
31 | #define _GNU_SOURCE
| ^
<command line>:3:9: note: previous definition is here
3 | #define _GNU_SOURCE 1
| ^
[19/120] Compiling rdkafka.c
In file included from /Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdavl.c:29:
/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdkafka_int.h:34:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
34 | #define _GNU_SOURCE /* for strndup() */
| ^
<command line>:3:9: note: previous definition is here
3 | #define _GNU_SOURCE 1
| ^
In file included from /Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdavl.c:29:
/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdkafka_int.h:56:10: fatal error: 'openssl/ssl.h' file not found
56 | #include <openssl/ssl.h>
| ^~~~~~~~~~~~~~~
[19/120] Compiling rdavl.c
[19/120] Compiling rdbuf.c
[19/120] Compiling rddl.c
[19/120] Compiling tinycthread.c
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install openssl using your system-packager:
brew install openssl@3
warning: you may be able to install openssl using your system-packager:
brew install openssl@3
BUILD FAILURE 6.3 macosSpm