WKHTMLTOPDF – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build WKHTMLTOPDF, reference master (1ae218), with Swift 6.2 (beta) for macOS (SPM) on 18 Jun 2025 08:11:39 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mihaelisaev/wkhtmltopdf.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
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:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/mihaelisaev/wkhtmltopdf.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/44] Write sources
[28/44] Write swift-version-1EA4D86E10B52AF.txt
[29/44] Compiling CNIOLinux shim.c
[29/44] Compiling CNIOZlib empty.c
[30/44] Compiling CNIOLinux ifaddrs-android.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/crypto/Sources/CCryptoOpenSSL/shim.c:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/crypto/Sources/CCryptoOpenSSL/include/c_crypto_openssl.h:4:10: fatal error: 'openssl/conf.h' file not found
    4 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
1 error generated.
[32/44] Compiling CCryptoOpenSSL shim.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c:14:
/Users/admin/builder/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>
      |          ^~~~~~~~~~~~~~~~
[32/44] Compiling CNIOOpenSSL helpers.c
[32/44] Compiling CNIODarwin shim.c
[32/44] Compiling c-atomics.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c:16:
/Users/admin/builder/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>
      |          ^~~~~~~~~~~~~~~~
[32/44] Compiling CNIOOpenSSL shims.c
[32/44] Compiling CNIOHTTPParser c_nio_http_parser.c
[32/44] Compiling CNIOSHA1 c_nio_sha1.c
Fetching https://github.com/vapor/leaf.git
Fetching https://github.com/vapor/vapor.git
[1/3956] Fetching leaf
[3957/78502] Fetching leaf, vapor
Fetched https://github.com/vapor/vapor.git from cache (2.41s)
Fetched https://github.com/vapor/leaf.git from cache (2.41s)
Computing version for https://github.com/vapor/vapor.git
Computed https://github.com/vapor/vapor.git at 3.3.3 (2.98s)
Fetching https://github.com/vapor/validation.git
Fetching https://github.com/vapor/service.git
Fetching https://github.com/vapor/template-kit.git
Fetching https://github.com/vapor/url-encoded-form.git
Fetching https://github.com/vapor/websocket.git
Fetching https://github.com/vapor/routing.git
Fetching https://github.com/vapor/multipart.git
[1/579] Fetching validation
[48/960] Fetching validation, url-encoded-form
[386/1879] Fetching validation, url-encoded-form, service
[497/3161] Fetching validation, url-encoded-form, service, template-kit
[795/24013] Fetching validation, url-encoded-form, service, template-kit, routing
[796/27466] Fetching validation, url-encoded-form, service, template-kit, routing, multipart
[866/30075] Fetching validation, url-encoded-form, service, template-kit, routing, multipart, websocket
[1382/29496] Fetching url-encoded-form, service, template-kit, routing, multipart, websocket
Fetched https://github.com/vapor/validation.git from cache (0.73s)
Fetching https://github.com/vapor/http.git
[27123/54963] Fetching url-encoded-form, service, template-kit, routing, multipart, websocket, http
Fetched https://github.com/vapor/websocket.git from cache (1.48s)
Fetched https://github.com/vapor/url-encoded-form.git from cache (1.48s)
Fetched https://github.com/vapor/routing.git from cache (1.48s)
[3561/31121] Fetching service, template-kit, multipart, http
Fetching https://github.com/vapor/database-kit.git
Fetching https://github.com/vapor/core.git
Fetching https://github.com/vapor/crypto.git
[23696/32302] Fetching service, template-kit, multipart, http, database-kit
[23756/35088] Fetching service, template-kit, multipart, http, database-kit, crypto
[24332/55231] Fetching service, template-kit, multipart, http, database-kit, crypto, core
Fetched https://github.com/vapor/database-kit.git from cache (0.80s)
[24827/54050] Fetching service, template-kit, multipart, http, crypto, core
Fetching https://github.com/vapor/console.git
Fetched https://github.com/vapor/http.git from cache (1.93s)
[22069/28583] Fetching service, template-kit, multipart, crypto, core
Fetched https://github.com/vapor/multipart.git from cache (2.76s)
Fetched https://github.com/vapor/template-kit.git from cache (2.76s)
Fetched https://github.com/vapor/service.git from cache (2.76s)
[19304/22929] Fetching crypto, core
Fetched https://github.com/vapor/core.git from cache (1.49s)
Fetched https://github.com/vapor/crypto.git from cache (1.49s)
[1/6018] Fetching console
Fetched https://github.com/vapor/console.git from cache (1.09s)
Computing version for https://github.com/vapor/http.git
Computed https://github.com/vapor/http.git at 3.4.0 (3.98s)
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/apple/swift-nio.git
[1/14890] Fetching swift-nio-ssl
[1937/91217] Fetching swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio-ssl.git from cache (8.47s)
Fetched https://github.com/apple/swift-nio.git from cache (8.47s)
Computing version for https://github.com/vapor/validation.git
Computed https://github.com/vapor/validation.git at 2.1.1 (8.98s)
Computing version for https://github.com/vapor/service.git
Computed https://github.com/vapor/service.git at 1.0.2 (0.49s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (0.51s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.57s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (1.08s)
Computing version for https://github.com/vapor/routing.git
Computed https://github.com/vapor/routing.git at 3.1.0 (0.49s)
Computing version for https://github.com/vapor/websocket.git
Computed https://github.com/vapor/websocket.git at 1.1.2 (0.50s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 1.4.0 (0.51s)
Fetching https://github.com/apple/swift-nio-ssl-support.git
[1/16] Fetching swift-nio-ssl-support
Fetched https://github.com/apple/swift-nio-ssl-support.git from cache (0.53s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (1.05s)
Computing version for https://github.com/vapor/crypto.git
Computed https://github.com/vapor/crypto.git at 3.4.1 (0.51s)
Computing version for https://github.com/vapor/console.git
Computed https://github.com/vapor/console.git at 3.1.1 (0.51s)
Computing version for https://github.com/vapor/database-kit.git
Computed https://github.com/vapor/database-kit.git at 1.3.3 (0.52s)
Computing version for https://github.com/vapor/url-encoded-form.git
Computed https://github.com/vapor/url-encoded-form.git at 1.1.0 (0.50s)
Computing version for https://github.com/vapor/template-kit.git
Computed https://github.com/vapor/template-kit.git at 1.5.0 (0.50s)
Computing version for https://github.com/vapor/multipart.git
Computed https://github.com/vapor/multipart.git at 3.1.3 (0.49s)
Computing version for https://github.com/vapor/core.git
Computed https://github.com/vapor/core.git at 3.10.1 (0.49s)
Computing version for https://github.com/vapor/leaf.git
Computed https://github.com/vapor/leaf.git at 3.0.2 (0.50s)
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/vapor/url-encoded-form.git
Working copy of https://github.com/vapor/url-encoded-form.git resolved at 1.1.0
Creating working copy for https://github.com/vapor/core.git
Working copy of https://github.com/vapor/core.git resolved at 3.10.1
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/service.git
Working copy of https://github.com/vapor/service.git resolved at 1.0.2
Creating working copy for https://github.com/vapor/http.git
Working copy of https://github.com/vapor/http.git resolved at 3.4.0
Creating working copy for https://github.com/vapor/vapor.git
Working copy of https://github.com/vapor/vapor.git resolved at 3.3.3
Creating working copy for https://github.com/vapor/database-kit.git
Working copy of https://github.com/vapor/database-kit.git resolved at 1.3.3
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/vapor/console.git
Working copy of https://github.com/vapor/console.git resolved at 3.1.1
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 1.4.0
Creating working copy for https://github.com/vapor/leaf.git
Working copy of https://github.com/vapor/leaf.git resolved at 3.0.2
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
Creating working copy for https://github.com/vapor/crypto.git
Working copy of https://github.com/vapor/crypto.git resolved at 3.4.1
Creating working copy for https://github.com/vapor/validation.git
Working copy of https://github.com/vapor/validation.git resolved at 2.1.1
Creating working copy for https://github.com/vapor/routing.git
Working copy of https://github.com/vapor/routing.git resolved at 3.1.0
Creating working copy for https://github.com/vapor/websocket.git
Working copy of https://github.com/vapor/websocket.git resolved at 1.1.2
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
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: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
BUILD FAILURE 6.2 macosSpm