Swift Package Index

Build Information

Failed to build MadDrivers, reference main (131b70), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 23:30:14 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/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
Fetching https://github.com/madmachineio/SwiftIO.git
[1/5098] Fetching swiftio
Fetched https://github.com/madmachineio/SwiftIO.git from cache (1.34s)
Creating working copy for https://github.com/madmachineio/SwiftIO.git
Working copy of https://github.com/madmachineio/SwiftIO.git resolved at main (d3be5f3)
========================================
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": "maddrivers",
      "name": "MadDrivers",
      "url": "https://github.com/madmachineio/MadDrivers.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MadDrivers",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swiftio",
          "name": "SwiftIO",
          "url": "https://github.com/madmachineio/SwiftIO.git",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftIO",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/madmachineio/MadDrivers.git
[1/3872] Fetching maddrivers
Fetched https://github.com/madmachineio/MadDrivers.git from cache (1.15s)
Fetching https://github.com/madmachineio/SwiftIO.git from cache
Fetched https://github.com/madmachineio/SwiftIO.git from cache (0.46s)
Creating working copy for https://github.com/madmachineio/MadDrivers.git
Working copy of https://github.com/madmachineio/MadDrivers.git resolved at main (131b701)
Creating working copy for https://github.com/madmachineio/SwiftIO.git
Working copy of https://github.com/madmachineio/SwiftIO.git resolved at main (d3be5f3)
warning: '.resolve-product-dependencies': dependency 'maddrivers' is not used by any target
Found 1 product dependencies
  - SwiftIO
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/madmachineio/MadDrivers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/46] Write sources
[44/46] Write swift-version--6988338F2F200930.txt
[45/46] Compiling CSwiftIO empty.c
[47/64] Compiling SwiftIO Thread.swift
[48/64] Compiling SwiftIO Timer.swift
[49/64] Compiling SwiftIO PWMOut.swift
[50/64] Compiling SwiftIO SPI.swift
[51/64] Compiling SwiftIO FileDescriptor.swift
[52/64] Compiling SwiftIO I2C.swift
[53/64] Compiling SwiftIO Counter.swift
[54/64] Compiling SwiftIO DigitalIn.swift
[55/64] Compiling SwiftIO Errno.swift
[56/64] Compiling SwiftIO Ethernet.swift
[57/64] Compiling SwiftIO AnalogIn.swift
[58/64] Compiling SwiftIO BoardId.swift
[59/64] Emitting module SwiftIO
[60/64] Compiling SwiftIO DigitalInOut.swift
[61/64] Compiling SwiftIO DigitalOut.swift
[62/64] Compiling SwiftIO UART.swift
[63/64] Compiling SwiftIO I2S.swift
[64/64] Compiling SwiftIO KernelTiming.swift
[65/65] Compiling SwiftIO Utils.swift
[66/87] Emitting module TMP102
error: emit-module command failed with exit code 1 (use -v to see invocation)
[67/87] 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 |
[68/87] 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 {
[69/87] Compiling TMP102 Configuration.swift
[70/87] Compiling TMP102 Enums.swift
[71/87] Emitting module ST7789
[72/87] Emitting module ST7796
[73/87] Emitting module TSL2591
[74/87] Emitting module VEML6070
[75/87] Emitting module VEML7700
[76/87] Emitting module SHT3x
[77/87] Emitting module VEML6040
[78/87] Emitting module VL53L0x
BUILD FAILURE 6.3 macosSpm