Build Information
Successful build of Zlib, reference main (ad7db0), with Swift 6.3 for macOS (SPM) on 15 Apr 2026 23:06:45 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DLTAStudio/zlib.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DLTAStudio/zlib
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ad7db0f Add RFC 1950 Support
Cloned https://github.com/DLTAStudio/zlib.git
Revision (git rev-parse @):
ad7db0fdde74b88b3ac9b20d412c3129e7eade34
SUCCESS checkout https://github.com/DLTAStudio/zlib.git at main
========================================
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": "zlib",
"name": "Zlib",
"url": "https://github.com/DLTAStudio/zlib.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/zlib",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/DLTAStudio/zlib.git
[1/60] Fetching zlib
Fetched https://github.com/DLTAStudio/zlib.git from cache (0.58s)
Creating working copy for https://github.com/DLTAStudio/zlib.git
Working copy of https://github.com/DLTAStudio/zlib.git resolved at main (ad7db0f)
warning: '.resolve-product-dependencies': dependency 'zlib' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/DLTAStudio/zlib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[1/3] Write swift-version--6988338F2F200930.txt
[2/3] Compiling ZlibShims ZlibShim.c
[4/5] Compiling ZlibSwift Zlib.swift
[5/5] Emitting module ZlibSwift
Build complete! (4.11s)
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install zlib using your system-packager:
brew install zlib
warning: you may be able to install zlib using your system-packager:
brew install zlib
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Zlib",
"name" : "Zlib",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "maccatalyst",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "14.0"
},
{
"name" : "watchos",
"version" : "5.0"
}
],
"products" : [
{
"name" : "Zlib",
"targets" : [
"ZlibSwift"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ZlibTests",
"module_type" : "SwiftTarget",
"name" : "ZlibTests",
"path" : "Tests/ZlibTests",
"sources" : [
"ZlibTests.swift"
],
"target_dependencies" : [
"ZlibSwift"
],
"type" : "test"
},
{
"c99name" : "ZlibSwift",
"module_type" : "SwiftTarget",
"name" : "ZlibSwift",
"path" : "Sources/ZlibSwift",
"product_memberships" : [
"Zlib"
],
"sources" : [
"Zlib.swift"
],
"target_dependencies" : [
"ZlibShims"
],
"type" : "library"
},
{
"c99name" : "ZlibShims",
"module_type" : "ClangTarget",
"name" : "ZlibShims",
"path" : "Sources/ZlibShims",
"product_memberships" : [
"Zlib"
],
"sources" : [
"ZlibShim.c"
],
"target_dependencies" : [
"Zlib"
],
"type" : "library"
},
{
"c99name" : "Zlib",
"module_type" : "SystemLibraryTarget",
"name" : "Zlib",
"path" : "Sources/Zlib",
"product_memberships" : [
"Zlib"
],
"sources" : [
],
"type" : "system-target"
}
],
"tools_version" : "5.5"
}
Done.