Build Information
Failed to build Zlib, reference 0.1.6 (98b5ef), with Swift 6.3 for macOS (SPM) on 14 Apr 2026 04:03:31 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
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Clone URL: https://github.com/aestesis/Zlib.git
Reference: 0.1.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aestesis/Zlib
* tag 0.1.6 -> FETCH_HEAD
HEAD is now at 98b5ef3 fix 4.2
Cloned https://github.com/aestesis/Zlib.git
Revision (git rev-parse @):
98b5ef385a18e69c3aa023afdb77f25a44532ae5
SUCCESS checkout https://github.com/aestesis/Zlib.git at 0.1.6
========================================
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/aestesis/Zlib.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Zlib",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/aestesis/Zlib.git
[1/59] Fetching zlib
Fetched https://github.com/aestesis/Zlib.git from cache (0.50s)
Creating working copy for https://github.com/aestesis/Zlib.git
Working copy of https://github.com/aestesis/Zlib.git resolved at 0.1.6 (98b5ef3)
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/aestesis/Zlib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
BUILD FAILURE 6.3 macosSpm