Swift Package Index

Build Information

Failed to build RoyalVNCKit, reference 1.1.0 (92d442), with Swift 6.3 for Wasm on 18 Apr 2026 12:48:06 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/royalapplications/royalvnc.git
Reference: 1.1.0
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/royalapplications/royalvnc
 * tag               1.1.0      -> FETCH_HEAD
HEAD is now at 92d4427 Use separate zlib streams for Zlib and ZRLE encodings
Cloned https://github.com/royalapplications/royalvnc.git
Revision (git rev-parse @):
92d4427c73817d8f849bb289ff190aa4b40c44ea
SUCCESS checkout https://github.com/royalapplications/royalvnc.git at 1.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/royalapplications/royalvnc.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
Fetching https://github.com/royalapplications/CryptoSwift.git
[1/11389] Fetching cryptoswift
Fetched https://github.com/royalapplications/CryptoSwift.git from cache (2.65s)
Fetching https://github.com/tayloraswift/swift-png
Fetching https://github.com/tayloraswift/swift-jpeg
[1/4049] Fetching swift-jpeg
[447/11519] Fetching swift-jpeg, swift-png
Fetched https://github.com/tayloraswift/swift-jpeg from cache (6.32s)
Fetched https://github.com/tayloraswift/swift-png from cache (6.49s)
Computing version for https://github.com/tayloraswift/swift-jpeg
Computed https://github.com/tayloraswift/swift-jpeg at 2.1.0 (6.89s)
Computing version for https://github.com/tayloraswift/swift-png
Computed https://github.com/tayloraswift/swift-png at 4.5.1 (0.41s)
Fetching https://github.com/rarestype/h
[1/1233] Fetching h
Fetched https://github.com/rarestype/h from cache (0.59s)
Computing version for https://github.com/rarestype/h
Computed https://github.com/rarestype/h at 1.0.1 (1.18s)
Creating working copy for https://github.com/rarestype/h
Working copy of https://github.com/rarestype/h resolved at 1.0.1
Creating working copy for https://github.com/tayloraswift/swift-png
Working copy of https://github.com/tayloraswift/swift-png resolved at 4.5.1
Creating working copy for https://github.com/royalapplications/CryptoSwift.git
Working copy of https://github.com/royalapplications/CryptoSwift.git resolved at foundationessentials (a59b4d9)
Creating working copy for https://github.com/tayloraswift/swift-jpeg
Working copy of https://github.com/tayloraswift/swift-jpeg resolved at 2.1.0
Building for debugging...
[0/17] Write sources
[3/17] Compiling d3des d3des.c
[4/17] Compiling RoyalVNCKitC RoyalVNCKitC.c
In file included from /host/spi-builder-workspace/Sources/Z/ZDummy.c:1:
/host/spi-builder-workspace/Sources/Z/include/ZIncludes.h:1:10: fatal error: 'zlib.h' file not found
    1 | #include <zlib.h>
      |          ^~~~~~~~
1 error generated.
[5/17] Compiling Z ZDummy.c
[5/17] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm