Swift Package IndexBuild Information
Failed to build WKHTMLTOPDF, reference master (1ae218), with Swift 6.3 for Wasm on 11 Apr 2026 08:47:37 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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.
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Checkout
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Clone URL: https://github.com/mihaelisaev/wkhtmltopdf.git
Reference: master
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/mihaelisaev/wkhtmltopdf
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 1ae218f Update README.md
Cloned https://github.com/mihaelisaev/wkhtmltopdf.git
Revision (git rev-parse @):
1ae218f4f4c1016594796f97e38cccaf707dbd9d
SUCCESS checkout https://github.com/mihaelisaev/wkhtmltopdf.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/mihaelisaev/wkhtmltopdf.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
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Working copy of https://github.com/vapor/http.git resolved at 3.4.0
Creating working copy for https://github.com/apple/swift-nio-ssl.git
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Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
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Creating working copy for https://github.com/vapor/multipart.git
Working copy of https://github.com/vapor/multipart.git resolved at 3.1.3
Creating working copy for https://github.com/vapor/template-kit.git
Working copy of https://github.com/vapor/template-kit.git resolved at 1.5.0
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: couldn't find pc file for openssl
warning: couldn't find pc file for openssl
Building for debugging...
[0/44] Write sources
[29/44] Compiling CNIOZlib empty.c
[29/44] Compiling CNIOLinux shim.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c:16:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
17 | #include <openssl/conf.h>
| ^~~~~~~~~~~~~~~~
1 error generated.
[31/44] Compiling CNIOOpenSSL shims.c
[31/44] Compiling CNIOLinux ifaddrs-android.c
[31/44] Compiling c-atomics.c
[31/44] Compiling CNIOHTTPParser c_nio_http_parser.c
[31/44] Compiling CNIODarwin shim.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c:14:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
17 | #include <openssl/conf.h>
| ^~~~~~~~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:47:10: fatal error: 'sys/cdefs.h' file not found
47 | #include <sys/cdefs.h>
| ^~~~~~~~~~~~~
[31/44] Compiling CNIOSHA1 c_nio_sha1.c
[31/44] Compiling CNIOOpenSSL helpers.c
[31/44] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm