The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build SF2Lib, reference 6.5.0 (5e6688), with Swift 6.2 (beta) for macOS (SPM) on 28 Jun 2025 12:49:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bradhowes/SF2Lib.git
Reference: 6.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bradhowes/SF2Lib
 * tag               6.5.0      -> FETCH_HEAD
HEAD is now at 5e6688d Fix messaging commands
Cloned https://github.com/bradhowes/SF2Lib.git
Revision (git rev-parse @):
5e6688d336d2ee7efb7c839de71fbd56ed7482cc
SUCCESS checkout https://github.com/bradhowes/SF2Lib.git at 6.5.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/bradhowes/SF2Lib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/55] Copying Configuration.plist
[0/55] Copying GeneralUser GS MuseScore v1.442.sf2
[0/55] Copying FreeFont.sf2
[1/55] Copying ZZZ1.sf2
[4/55] Copying RolandNicePiano.sf2
[5/55] Copying ZZZ2.sf2
[6/55] Compiling Base64.mm
[7/55] Compiling StringUtils.mm
[8/55] Compiling SF2Lib resource_bundle_accessor.m
[9/55] Compiling Preset.mm
[10/55] Compiling Zone.mm
[10/55] Compiling Instrument.mm
[12/55] Compiling State.mm
[13/55] Compiling Modulator.mm
[14/55] Compiling Voice.mm
[15/55] Compiling TestUtils resource_bundle_accessor.m
[16/55] Compiling Engine FileInfo.mm
In file included from /Users/admin/builder/spi-builder-workspace/Sources/SF2Lib/Render/Voice/Sample/Pitch.mm:3:
In file included from /Users/admin/builder/spi-builder-workspace/Sources/SF2Lib/include/SF2Lib/Entity/SampleHeader.hpp:7:
/Users/admin/builder/spi-builder-workspace/Sources/SF2Lib/include/SF2Lib/Types.hpp:49:26: error: no template named 'is_bounded_array_v' in namespace 'std'; did you mean 'is_unbounded_array_v'?
   49 | concept CharArray = std::is_bounded_array_v<T> && requires(T v) { { v[0] } -> std::same_as<char&>; };
      |                     ~~~~~^~~~~~~~~~~~~~~~~~
      |                          is_unbounded_array_v
/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk/usr/include/c++/v1/__type_traits/is_unbounded_array.h:40:50: note: 'is_unbounded_array_v' declared here
   40 | _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_unbounded_array_v = is_unbounded_array<_Tp>::value;
      |                                                  ^
1 error generated.
[17/55] Compiling Pitch.mm
[17/55] Compiling Preset.mm
[17/55] Compiling SampleSourceCollection.mm
[17/55] Compiling PresetCollection.mm
[17/55] Compiling TestUtils TestResources.mm
[17/55] Compiling Bounds.mm
[17/55] Compiling Generator.mm
[17/55] Compiling TestUtils SampleBasedContexts.mm
[17/55] Compiling Config.mm
[17/55] Compiling Engine Engine.mm
BUILD FAILURE 6.2 macosSpm