Swift Package Index

Build Information

Successful build of LibPNG, reference 1.6.58 (575e1a), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 04:58:53 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/EvgenijLutz/LibPNG.git
Reference: 1.6.58
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/EvgenijLutz/LibPNG
 * tag               1.6.58     -> FETCH_HEAD
HEAD is now at 575e1aa Update to Swift 6.4, use sized_by instead of counted_by for raw memory buffers
Cloned https://github.com/EvgenijLutz/LibPNG.git
Revision (git rev-parse @):
575e1aa26d73b385cf79a6d59a1d8a020c8613ae
SUCCESS checkout https://github.com/EvgenijLutz/LibPNG.git at 1.6.58
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/EvgenijLutz/LibPNG.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 156]
[Planning deferred tasks]
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[31 / 42] LibPNGC
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[89 / 98] LibPNG
[95 / 98] LibPNG
Build complete! (10.75 sec)
Build complete.
{
  "c_language_standard" : "c17",
  "cxx_language_standard" : "c++20",
  "dependencies" : [
  ],
  "manifest_display_name" : "LibPNG",
  "name" : "LibPNG",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "Android",
      "version" : "5.0"
    }
  ],
  "products" : [
    {
      "name" : "LibPNG",
      "targets" : [
        "LibPNG"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "LibPNGC",
      "targets" : [
        "LibPNGC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "png",
      "targets" : [
        "png"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "png",
      "module_type" : "BinaryTarget",
      "name" : "png",
      "path" : "Binaries/png.xcframework",
      "product_memberships" : [
        "LibPNG",
        "LibPNGC",
        "png"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "LibPNGC",
      "module_type" : "ClangTarget",
      "name" : "LibPNGC",
      "path" : "Sources/LibPNGC",
      "product_memberships" : [
        "LibPNG",
        "LibPNGC"
      ],
      "sources" : [
        "Common.cpp",
        "LibPNGC.cpp",
        "PNGImage.cpp"
      ],
      "target_dependencies" : [
        "png"
      ],
      "type" : "library"
    },
    {
      "c99name" : "LibPNG",
      "module_type" : "SwiftTarget",
      "name" : "LibPNG",
      "path" : "Sources/LibPNG",
      "product_memberships" : [
        "LibPNG"
      ],
      "sources" : [
        "LibPNG.swift"
      ],
      "target_dependencies" : [
        "LibPNGC"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.4"
}
Done.