Swift Package IndexBuild Information
Failed to build swift-usb, reference main (718095), with Swift 6.3 for Wasm on 17 Apr 2026 02:09:57 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jaekong/swift-usb.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/jaekong/swift-usb
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 7180954 fix: change to older libusb init API
Cloned https://github.com/jaekong/swift-usb.git
Revision (git rev-parse @):
7180954078ec99ab0952a05dda371b0e601cb7f2
SUCCESS checkout https://github.com/jaekong/swift-usb.git at main
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/jaekong/swift-usb.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
warning: you may be able to install libusb-1.0 using your system-packager:
apt-get install libusb-1.0-0-dev
warning: you may be able to install libusb-1.0 using your system-packager:
apt-get install libusb-1.0-0-dev
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/11] Compiling USB USBTransferError.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[4/12] Compiling USB USBInterface.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[5/12] Compiling USB Utility.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[6/12] Compiling USB USBDeviceClass.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[7/12] Compiling USB USBEndpoint.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[8/12] Compiling USB USBError.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/12] Emitting module USB
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[10/12] Compiling USB USBDevice.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[11/12] Compiling USB USB.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
[12/12] Compiling USB USBConfiguration.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "header.h"
| `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/Sources/CLibUSB/header.h:1:10: error: 'libusb.h' file not found
1 | #include <libusb.h>
| `- error: 'libusb.h' file not found
2 |
/host/spi-builder-workspace/Sources/USB/USB.swift:2:8: error: could not build C module 'CLibUSB'
1 | import Foundation
2 | import CLibUSB
| `- error: could not build C module 'CLibUSB'
3 |
4 | public class USB {
BUILD FAILURE 6.3 wasm