libpng – Build Information – Swift Package Index

Build Information

Failed to build libpng, reference main (d22d32), with Swift 6.4 for Wasm on 22 Sep 2026 04:56:26 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/AdaEngine/libpng.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/AdaEngine/libpng
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d22d32a updates
Cloned https://github.com/AdaEngine/libpng.git
Revision (git rev-parse @):
d22d32ad3b8def59a74419d2227ca0d87f272491
SUCCESS checkout https://github.com/AdaEngine/libpng.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/AdaEngine/libpng.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Planning deferred tasks]
In file included from /host/spi-builder-workspace/Sources/libpng/pngwtran.c:14:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:386:
In file included from /host/spi-builder-workspace/Sources/libpng/include/png.h:335:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngconf.h:51:
[1m/root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/setjmp.h:13:2: [0m[0;1;31merror: [0m[1mSetjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
   13 | #error Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https:[0;33m//github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
      | [0;1;32m ^
[0mIn file included from /host/spi-builder-workspace/Sources/libpng/pngwtran.c:14:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:913:
[1m/host/spi-builder-workspace/Sources/libpng/include/pngstruct.h:30:10: [0m[0;1;31mfatal error: [0m[1m'zlib.h' file not found[0m
   30 | #include [0;32m"zlib.h"[0m
      | [0;1;32m         ^~~~~~~~
[0m2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwtran.o /host/spi-builder-workspace/Sources/libpng/pngwtran.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp

    /usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwtran.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwtran.dia -c /host/spi-builder-workspace/Sources/libpng/pngwtran.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwtran.o
In file included from /host/spi-builder-workspace/Sources/libpng/pngwio.c:21:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:386:
In file included from /host/spi-builder-workspace/Sources/libpng/include/png.h:335:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngconf.h:51:
[1m/root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/setjmp.h:13:2: [0m[0;1;31merror: [0m[1mSetjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
   13 | #error Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https:[0;33m//github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
      | [0;1;32m ^
[0mIn file included from /host/spi-builder-workspace/Sources/libpng/pngwio.c:21:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:913:
[1m/host/spi-builder-workspace/Sources/libpng/include/pngstruct.h:30:10: [0m[0;1;31mfatal error: [0m[1m'zlib.h' file not found[0m
   30 | #include [0;32m"zlib.h"[0m
      | [0;1;32m         ^~~~~~~~
[0m2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwio.o /host/spi-builder-workspace/Sources/libpng/pngwio.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp

    /usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwio.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwio.dia -c /host/spi-builder-workspace/Sources/libpng/pngwio.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngwio.o
In file included from /host/spi-builder-workspace/Sources/libpng/pngset.c:19:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:386:
In file included from /host/spi-builder-workspace/Sources/libpng/include/png.h:335:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngconf.h:51:
[1m/root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/setjmp.h:13:2: [0m[0;1;31merror: [0m[1mSetjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
   13 | #error Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https:[0;33m//github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.[0m
      | [0;1;32m ^
[0mIn file included from /host/spi-builder-workspace/Sources/libpng/pngset.c:19:
In file included from /host/spi-builder-workspace/Sources/libpng/include/pngpriv.h:913:
[1m/host/spi-builder-workspace/Sources/libpng/include/pngstruct.h:30:10: [0m[0;1;31mfatal error: [0m[1m'zlib.h' file not found[0m
   30 | #include [0;32m"zlib.h"[0m
      | [0;1;32m         ^~~~~~~~
[0m2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngset.o /host/spi-builder-workspace/Sources/libpng/pngset.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp

    /usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngset.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngset.dia -c /host/spi-builder-workspace/Sources/libpng/pngset.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/libpng.build/Debug-webassembly-wasm32/libpng-t.build/Objects-normal/wasm32/pngset.o
error: Build failed
BUILD FAILURE 6.4 wasm