Swift Package Index

Build Information

Failed to build LLVM, reference main (ff7a88), with Swift 6.3 for macOS (SPM) on 12 Apr 2026 03:46:54 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/llvm-swift/llvmswift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/llvm-swift/llvmswift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ff7a881 Merge pull request #241 from Snowy1803/master
Cloned https://github.com/llvm-swift/llvmswift.git
Revision (git rev-parse @):
ff7a881eabf97cbd43006223494850a970761533
SUCCESS checkout https://github.com/llvm-swift/llvmswift.git at main
Fetching https://github.com/llvm-swift/FileCheck.git
[1/479] Fetching filecheck
Fetched https://github.com/llvm-swift/FileCheck.git from cache (0.65s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (1.33s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/17523] Fetching swift-argument-parser
[2/17604] Fetching swift-argument-parser, chalk
Fetched https://github.com/apple/swift-argument-parser from cache (1.47s)
Fetched https://github.com/mxcl/Chalk.git from cache (1.47s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (2.17s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.63s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.2.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
========================================
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": "llvmswift",
      "name": "LLVM",
      "url": "https://github.com/llvm-swift/llvmswift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/llvmswift",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/llvm-swift/llvmswift.git
[1/5119] Fetching llvmswift
Fetched https://github.com/llvm-swift/llvmswift.git from cache (1.42s)
Creating working copy for https://github.com/llvm-swift/llvmswift.git
Working copy of https://github.com/llvm-swift/llvmswift.git resolved at main (ff7a881)
warning: '.resolve-product-dependencies': dependency 'llvmswift' 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/llvm-swift/llvmswift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/5] Write sources
/Users/admin/builder/spi-builder-workspace/Sources/llvmshims/src/shim.cpp:1:10: fatal error: 'llvm-c/Core.h' file not found
    1 | #include "llvm-c/Core.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
[3/5] Compiling shim.cpp
[3/5] Write swift-version--6988338F2F200930.txt
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install cllvm using your system-packager:
    brew install llvm
warning: you may be able to install cllvm using your system-packager:
    brew install llvm
BUILD FAILURE 6.3 macosSpm