Swift Package Index

Build Information

Successful build of zstd, reference v1.5.7 (f8745d), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 20:52:50 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/facebook/zstd.git
Reference: v1.5.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/facebook/zstd
 * tag               v1.5.7     -> FETCH_HEAD
HEAD is now at f8745da Merge pull request #4298 from facebook/dev
Cloned https://github.com/facebook/zstd.git
Revision (git rev-parse @):
f8745da6ff1ad1e7bab384bd1f9d742439278e99
SUCCESS checkout https://github.com/facebook/zstd.git at v1.5.7
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/facebook/zstd.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[16 / 79]
[27 / 79] libzstd
[55 / 90]
[60 / 90]
[73 / 90] libzstd
[83 / 90] libzstd
[88 / 90] libzstd
Build complete! (4.43 sec)
Build complete.
{
  "c_language_standard" : "gnu11",
  "cxx_language_standard" : "gnu++14",
  "dependencies" : [
  ],
  "manifest_display_name" : "zstd",
  "name" : "zstd",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "libzstd",
      "targets" : [
        "libzstd"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "libzstd",
      "module_type" : "ClangTarget",
      "name" : "libzstd",
      "path" : "lib",
      "product_memberships" : [
        "libzstd"
      ],
      "sources" : [
        "common/debug.c",
        "common/entropy_common.c",
        "common/error_private.c",
        "common/fse_decompress.c",
        "common/pool.c",
        "common/threading.c",
        "common/xxhash.c",
        "common/zstd_common.c",
        "compress/fse_compress.c",
        "compress/hist.c",
        "compress/huf_compress.c",
        "compress/zstd_compress.c",
        "compress/zstd_compress_literals.c",
        "compress/zstd_compress_sequences.c",
        "compress/zstd_compress_superblock.c",
        "compress/zstd_double_fast.c",
        "compress/zstd_fast.c",
        "compress/zstd_lazy.c",
        "compress/zstd_ldm.c",
        "compress/zstd_opt.c",
        "compress/zstd_preSplit.c",
        "compress/zstdmt_compress.c",
        "decompress/huf_decompress.c",
        "decompress/huf_decompress_amd64.S",
        "decompress/zstd_ddict.c",
        "decompress/zstd_decompress.c",
        "decompress/zstd_decompress_block.c",
        "dictBuilder/cover.c",
        "dictBuilder/divsufsort.c",
        "dictBuilder/fastcover.c",
        "dictBuilder/zdict.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.