Swift Package Index

Build Information

Failed to build PMTiles, reference 0.2.0 (3cca5d), with Swift 6.2 for macOS (SPM) on 9 Oct 2026 19:02:02 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Xenoglyphiq/pmtiles-swift.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Xenoglyphiq/pmtiles-swift
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at 3cca5df Spec v0.2.0; release 0.2.0 (#6)
Cloned https://github.com/Xenoglyphiq/pmtiles-swift.git
Revision (git rev-parse @):
3cca5df649f253316bda17382f455a4aeb338c8f
SUCCESS checkout https://github.com/Xenoglyphiq/pmtiles-swift.git at 0.2.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Xenoglyphiq/pmtiles-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Building for debugging...
[0/33] Write sources
[3/33] Write remote_metadata-entitlement.plist
[3/33] Write sources
[4/33] Write pmtiles-fuzz-entitlement.plist
[4/33] Write pmtiles-conformance-entitlement.plist
[10/33] Write inspect_archive-entitlement.plist
[11/33] Write fetch_one_tile-entitlement.plist
[11/33] Write sources
[11/33] Write pmtiles-bench-entitlement.plist
[14/33] Write swift-version--3CB7CFEC50E0D141.txt
[16/36] Compiling PMTiles Types.swift
[17/36] Emitting module PMTiles
[18/36] Compiling PMTiles Core.swift
[19/42] Compiling PMTilesIO IO.swift
[20/42] Compiling inspect_archive main.swift
[21/42] Emitting module inspect_archive
[21/42] Write Objects.LinkFileList
[22/42] Linking inspect_archive
[23/42] Applying inspect_archive
[25/42] Compiling PMTilesIO HTTPSource.swift
[26/42] Emitting module PMTilesIO
[27/42] Compiling PMTilesIO Gzip.swift
/Users/admin/builder/spi-builder-workspace/Sources/PMTilesIO/Gzip.swift:67:5: error: the compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions
 65 | package func crc32(_ bytes: [UInt8]) -> UInt32 {
 66 |     var c: UInt32 = 0xFFFF_FFFF
 67 |     crcTables.withUnsafeBufferPointer { t in
    |     `- error: the compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions
 68 |         bytes.withUnsafeBufferPointer { b in
 69 |             var i = 0
BUILD FAILURE 6.2 macosSpm