Swift Package Index

Build Information

Failed to build StockfishKit, reference v0.1.1 (c8567e), with Swift 6.1 for macOS (SPM) on 12 Jul 2026 12:06:48 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/varton86/StockfishKit.git
Reference: v0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/varton86/StockfishKit
 * tag               v0.1.1     -> FETCH_HEAD
HEAD is now at c8567ee Add explicit FEN search APIs
Cloned https://github.com/varton86/StockfishKit.git
Revision (git rev-parse @):
c8567ee01df5d42d552bf795c565faa61baf9592
SUCCESS checkout https://github.com/varton86/StockfishKit.git at v0.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/varton86/StockfishKit.git
https://github.com/varton86/StockfishKit.git
{
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "StockfishKit",
  "name" : "StockfishKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "StockfishKit",
      "targets" : [
        "StockfishKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StockfishKitTests",
      "module_type" : "SwiftTarget",
      "name" : "StockfishKitTests",
      "path" : "Tests/StockfishKitTests",
      "sources" : [
        "StockfishKitTests.swift"
      ],
      "target_dependencies" : [
        "StockfishKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StockfishKit",
      "module_type" : "SwiftTarget",
      "name" : "StockfishKit",
      "path" : "Sources/StockfishKit",
      "product_memberships" : [
        "StockfishKit"
      ],
      "sources" : [
        "StockfishKit.swift"
      ],
      "target_dependencies" : [
        "CStockfish"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CStockfish",
      "module_type" : "ClangTarget",
      "name" : "CStockfish",
      "path" : "vendor/Stockfish/src",
      "product_memberships" : [
        "StockfishKit"
      ],
      "sources" : [
        "benchmark.cpp",
        "bitboard.cpp",
        "engine.cpp",
        "evaluate.cpp",
        "memory.cpp",
        "misc.cpp",
        "movegen.cpp",
        "movepick.cpp",
        "nnue/features/full_threats.cpp",
        "nnue/features/half_ka_v2_hm.cpp",
        "nnue/network.cpp",
        "nnue/nnue_accumulator.cpp",
        "nnue/nnue_misc.cpp",
        "position.cpp",
        "score.cpp",
        "search.cpp",
        "syzygy/tbprobe.cpp",
        "thread.cpp",
        "timeman.cpp",
        "tt.cpp",
        "tune.cpp",
        "uci.cpp",
        "ucioption.cpp"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/25] Write sources
[1/25] Write swift-version-2F0A5646E1D333AE.txt
[2/25] Compiling CStockfish memory.cpp
[3/25] Compiling CStockfish tune.cpp
[4/25] Compiling CStockfish ucioption.cpp
[5/25] Compiling CStockfish movegen.cpp
[6/25] Compiling CStockfish timeman.cpp
[7/25] Compiling CStockfish tt.cpp
[8/25] Compiling CStockfish evaluate.cpp
[9/25] Compiling half_ka_v2_hm.cpp
[10/25] Compiling CStockfish score.cpp
[11/25] Compiling CStockfish thread.cpp
[12/25] Compiling nnue_misc.cpp
[13/25] Compiling nnue_accumulator.cpp
[14/25] Compiling CStockfish uci.cpp
[15/25] Compiling CStockfish position.cpp
<inline asm>:5:9: error: Could not find incbin file 'nn-9a0cc2a62c52.nnue'
    5 | .incbin "nn-9a0cc2a62c52.nnue"
      |         ^
<inline asm>:20:9: error: Could not find incbin file 'nn-47fc8b7fff06.nnue'
   20 | .incbin "nn-47fc8b7fff06.nnue"
      |         ^
2 errors generated.
[16/25] Compiling network.cpp
[16/25] Compiling CStockfish movepick.cpp
[16/25] Compiling CStockfish benchmark.cpp
[16/25] Compiling CStockfish misc.cpp
[16/25] Compiling full_threats.cpp
[16/25] Compiling CStockfish bitboard.cpp
[16/25] Compiling CStockfish engine.cpp
[16/25] Compiling CStockfish search.cpp
[16/25] Compiling tbprobe.cpp
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/10] Write swift-version-2F0A5646E1D333AE.txt
[1/10] Compiling CStockfish bitboard.cpp
[2/10] Compiling CStockfish movepick.cpp
[3/10] Compiling CStockfish misc.cpp
[4/10] Compiling full_threats.cpp
[5/10] Compiling CStockfish benchmark.cpp
<inline asm>:5:9: error: Could not find incbin file 'nn-9a0cc2a62c52.nnue'
    5 | .incbin "nn-9a0cc2a62c52.nnue"
      |         ^
<inline asm>:20:9: error: Could not find incbin file 'nn-47fc8b7fff06.nnue'
   20 | .incbin "nn-47fc8b7fff06.nnue"
      |         ^
2 errors generated.
[6/10] Compiling network.cpp
[6/10] Compiling CStockfish search.cpp
[6/10] Compiling tbprobe.cpp
[6/10] Compiling CStockfish engine.cpp
BUILD FAILURE 6.1 macosSpm