Swift Package IndexBuild Information
Failed to build ScreenshotPreventing, reference 1.4.0 (10d868), with Swift 6.2 for Wasm on 5 Jan 2026 07:54:11 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/yoxisem544/ScreenshotPreventing-iOS.git
Reference: 1.4.0
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/yoxisem544/ScreenshotPreventing-iOS
* tag 1.4.0 -> FETCH_HEAD
HEAD is now at 10d868c Merge pull request #11 from yoxisem544/support-swiftui-view-modifier
Cloned https://github.com/yoxisem544/ScreenshotPreventing-iOS.git
Revision (git rev-parse @):
10d868c738ec1debba944388c5941dac957e9a8d
SUCCESS checkout https://github.com/yoxisem544/ScreenshotPreventing-iOS.git at 1.4.0
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/yoxisem544/ScreenshotPreventing-iOS.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:ea378e7d7954b9ce813c0ebc8f6bc113436e2b3d5aa4fd45225da8bf07e6be73
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift-sdk.json
Fetching https://github.com/ReactiveX/RxSwift.git
[1/52940] Fetching rxswift
Fetched https://github.com/ReactiveX/RxSwift.git from cache (9.10s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.9.1 (9.46s)
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 6.9.1
Building for debugging...
[0/10] Copying PrivacyInfo.xcprivacy
[0/10] Write sources
[7/10] Copying PrivacyInfo.xcprivacy
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/157] Compiling ScreenshotPreventing ScreenshotPreventingView.swift
/host/spi-builder-workspace/Sources/Core/HiddenContainerRecognizer.swift:8:8: error: no such module 'UIKit'
6 | //
7 |
8 | import UIKit
| `- error: no such module 'UIKit'
9 |
10 | /// Beware that if you add view to subview that has been pulled out from this recognizer,
[12/157] Compiling ScreenshotPreventing HiddenContainerRecognizer.swift
/host/spi-builder-workspace/Sources/Core/HiddenContainerRecognizer.swift:8:8: error: no such module 'UIKit'
6 | //
7 |
8 | import UIKit
| `- error: no such module 'UIKit'
9 |
10 | /// Beware that if you add view to subview that has been pulled out from this recognizer,
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/157] Emitting module ScreenshotPreventing
/host/spi-builder-workspace/Sources/Core/HiddenContainerRecognizer.swift:8:8: error: no such module 'UIKit'
6 | //
7 |
8 | import UIKit
| `- error: no such module 'UIKit'
9 |
10 | /// Beware that if you add view to subview that has been pulled out from this recognizer,
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
29 | #include <stddef.h>
30 | #include <stdio.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "signal.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
1 | #ifndef _WASI_EMULATED_SIGNAL
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| `- error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
3 | compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
4 | #else
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "CoreFoundation.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: error: could not build module 'wasi_emulated_signal'
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- error: could not build module 'wasi_emulated_signal'
29 | #include <stddef.h>
30 | #include <stdio.h>
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:10: note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
84 | #undef _WASI_EMULATED_MMAN
85 | #define _WASI_EMULATED_MMAN
86 | #include <sys/mman.h>
| `- note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
87 | #elif TARGET_OS_LINUX
88 | #include <errno.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "sys/mman.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
1 | #ifndef _WASI_EMULATED_MMAN
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| `- error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
3 | compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
4 | #else
BUILD FAILURE 6.2 wasm