Swift Package Index

Build Information

Failed to build MadDrivers, reference main (131b70), with Swift 6.0 for macOS (SPM) on 28 Jan 2026 11:41:13 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/madmachineio/MadDrivers.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/madmachineio/MadDrivers
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 131b701 Add LCD driver for NV3007 (#85)
Cloned https://github.com/madmachineio/MadDrivers.git
Revision (git rev-parse @):
131b7011aae6cc76bb2ea1ca5fcd15bbba91135e
SUCCESS checkout https://github.com/madmachineio/MadDrivers.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/madmachineio/MadDrivers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/46] Write sources
[44/46] Write swift-version-5BDAB9E9C0126B9D.txt
[45/46] Compiling CSwiftIO empty.c
[47/64] Compiling SwiftIO UART.swift
[48/64] Compiling SwiftIO Thread.swift
[49/64] Compiling SwiftIO Timer.swift
[50/65] Compiling SwiftIO FileDescriptor.swift
[51/65] Compiling SwiftIO I2C.swift
[52/65] Compiling SwiftIO Errno.swift
[53/65] Compiling SwiftIO Ethernet.swift
[54/65] Compiling SwiftIO DigitalInOut.swift
[55/65] Compiling SwiftIO DigitalOut.swift
[56/65] Compiling SwiftIO Counter.swift
[57/65] Compiling SwiftIO DigitalIn.swift
[58/65] Compiling SwiftIO AnalogIn.swift
[59/65] Compiling SwiftIO BoardId.swift
[60/65] Compiling SwiftIO PWMOut.swift
[61/65] Compiling SwiftIO SPI.swift
[62/65] Compiling SwiftIO I2S.swift
[63/65] Compiling SwiftIO KernelTiming.swift
[64/65] Emitting module SwiftIO
[65/65] Compiling SwiftIO Utils.swift
[66/87] Emitting module TSL2591
[67/87] Compiling TSL2591 TSL2591.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[68/87] Emitting module TCS34725
/Users/admin/builder/spi-builder-workspace/Sources/TCS34725/TCS34725.swift:351:2: error: @_extern requires '-enable-experimental-feature Extern'
349 | }
350 |
351 | @_extern(c, "powf")
    |  `- error: @_extern requires '-enable-experimental-feature Extern'
352 | func powf(_: Float, _ : Float) -> Float
353 |
[69/87] Compiling TCS34725 TCS34725.swift
/Users/admin/builder/spi-builder-workspace/Sources/TCS34725/TCS34725.swift:351:2: error: @_extern requires '-enable-experimental-feature Extern'
349 | }
350 |
351 | @_extern(c, "powf")
    |  `- error: @_extern requires '-enable-experimental-feature Extern'
352 | func powf(_: Float, _ : Float) -> Float
353 |
/Users/admin/builder/spi-builder-workspace/Sources/TCS34725/TCS34725.swift:352:6: error: expected '{' in body of function declaration
350 |
351 | @_extern(c, "powf")
352 | func powf(_: Float, _ : Float) -> Float
    |      `- error: expected '{' in body of function declaration
353 |
354 | private extension Float {
[70/87] Emitting module SHT3x
[71/87] Compiling SHT3x SHT3x.swift
[72/87] Emitting module VL53L0x
[73/87] Emitting module VEML6070
[74/87] Emitting module VEML7700
[75/87] Emitting module ST7789
[76/87] Emitting module VEML6040
[77/87] Emitting module ST7796
[78/87] Compiling TMP102 Enums.swift
[79/87] Compiling TMP102 Configuration.swift
[80/87] Emitting module TMP102
Fetching https://github.com/madmachineio/SwiftIO.git
[1/5098] Fetching swiftio
Fetched https://github.com/madmachineio/SwiftIO.git from cache (1.43s)
Creating working copy for https://github.com/madmachineio/SwiftIO.git
Working copy of https://github.com/madmachineio/SwiftIO.git resolved at main (d3be5f3)
BUILD FAILURE 6.0 macosSpm