Swift Package IndexBuild Information
Failed to build swift-dwarf, reference v0.1.3 (dd0708), with Swift 6.3 for Wasm on 17 Apr 2026 20:59:12 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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
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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/0xpablo/swift-dwarf.git
Reference: v0.1.3
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/0xpablo/swift-dwarf
* tag v0.1.3 -> FETCH_HEAD
HEAD is now at dd07086 Update libdwarf submodule
Submodule path 'libdwarf': checked out '16c392d2b6ad429001c44c863f70b2d13454c4e2'
Submodule 'libdwarf' (https://github.com/0xpablo/libdwarf-code.git) registered for path 'libdwarf'
Cloning into '/host/spi-builder-workspace/libdwarf'...
Cloned https://github.com/0xpablo/swift-dwarf.git
Revision (git rev-parse @):
dd070865e84a69236d420a69a2443d633d8325e7
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/0xpablo/swift-dwarf.git at v0.1.3
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/0xpablo/swift-dwarf.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
Building for debugging...
[0/66] Compiling CLibdwarf dwarf_debugaddr.c
[1/66] Compiling CLibdwarf dwarf_find_sigref.c
[2/66] Write swift-version-24593BA9C3E375BF.txt
[3/66] Write sources
[5/66] Compiling CLibdwarf dwarf_abbrev.c
[5/66] Compiling CLibdwarf dwarf_debuglink.c
In file included from /host/spi-builder-workspace/libdwarf/src/lib/libdwarf/dwarf_alloc.c:41:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-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"
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| ^
/host/spi-builder-workspace/libdwarf/src/lib/libdwarf/dwarf_alloc.c:1200:23: error: call to undeclared function 'munmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1200 | int res = munmap(sec->dss_mmap_realarea,
| ^
2 errors generated.
[7/66] Compiling CLibdwarf dwarf_alloc.c
[7/66] Compiling CLibdwarf dwarf_util.c
[7/66] Compiling CLibdwarf dwarf_stringsection.c
[7/66] Compiling CLibdwarf dwarf_tied.c
[7/66] Compiling CLibdwarf dwarf_xu_index.c
[7/66] Compiling CLibdwarf dwarf_tsearchhash.c
[7/66] Compiling CLibdwarf dwarf_debugnames.c
[7/66] Compiling CLibdwarf dwarf_die_deliv.c
BUILD FAILURE 6.3 wasm