The Swift Package Index logo.Swift Package Index

Build Information

Failed to build Python3, reference master (3efdfb), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 14:57:59 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kzaher/cpython3.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kzaher/cpython3
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3efdfb2 Fixes lib name.
Cloned https://github.com/kzaher/cpython3.git
Revision (git rev-parse @):
3efdfb22e6c5d0e6bd58c384f5ec4be3cf4171ab
SUCCESS checkout https://github.com/kzaher/cpython3.git at master
========================================
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": "cpython3",
      "name": "Python3",
      "url": "https://github.com/kzaher/cpython3.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/cpython3",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/kzaher/cpython3.git
[1/14] Fetching cpython3
Fetched https://github.com/kzaher/cpython3.git from cache (0.55s)
Creating working copy for https://github.com/kzaher/cpython3.git
Working copy of https://github.com/kzaher/cpython3.git resolved at master (3efdfb2)
warning: 'cpython3': ignoring declared target(s) 'Python3' in the system package
warning: '.resolve-product-dependencies': dependency 'cpython3' 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/kzaher/cpython3.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
warning: 'spi-builder-workspace': ignoring declared target(s) 'Python3' in the system package
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