Swift Package IndexBuild Information
Failed to build CLMDB, reference main (a4bc87), with Swift 6.3 for Wasm on 18 Apr 2026 08:10:50 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
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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/swiftlang/swift-lmdb.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/swiftlang/swift-lmdb
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at a4bc878 Merge pull request #17 from swiftlang/codeowners
Cloned https://github.com/swiftlang/swift-lmdb.git
Revision (git rev-parse @):
a4bc87807721c1fd114bf35464457e2db0d0e6c0
SUCCESS checkout https://github.com/swiftlang/swift-lmdb.git at main
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swiftlang/swift-lmdb.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
Building for debugging...
[0/2] Compiling CLMDB midl.c
In file included from /host/spi-builder-workspace/Sources/CLMDB/mdb.c:107:
/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, \
| ^
In file included from /host/spi-builder-workspace/Sources/CLMDB/mdb.c:177:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:2855:8: error: call to undeclared function 'msync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2855 | if (MDB_MSYNC(env->me_map, env->me_psize * numpgs, flags))
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:2855:8: note: did you mean 'fsync'?
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/unistd.h:88:5: note: 'fsync' declared here
88 | int fsync(int);
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:2967:11: error: use of undeclared identifier 'F_SETLK'
2967 | Pidset = F_SETLK, Pidcheck = F_GETLK
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:2967:31: error: use of undeclared identifier 'F_GETLK'
2967 | Pidset = F_SETLK, Pidcheck = F_GETLK
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:3000:22: error: use of undeclared identifier 'F_WRLCK'
3000 | lock_info.l_type = F_WRLCK;
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:3005:14: error: use of undeclared identifier 'F_GETLK'
3005 | if (op == F_GETLK && lock_info.l_type != F_UNLCK)
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:3005:45: error: use of undeclared identifier 'F_UNLCK'
3005 | if (op == F_GETLK && lock_info.l_type != F_UNLCK)
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4345:8: error: call to undeclared function 'msync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4345 | if (MDB_MSYNC(ptr, meta_size, rc)) {
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4456:14: warning: 'getpid' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [-Wdeprecated-declarations]
4456 | e->me_pid = getpid();
| ^
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/unistd.h:155:16: note: 'getpid' has been explicitly marked deprecated here
155 | __attribute__((__deprecated__(
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4532:19: error: use of undeclared identifier 'MAP_SHARED'
4532 | int mmap_flags = MAP_SHARED;
| ^~~~~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4533:13: error: use of undeclared identifier 'PROT_READ'
4533 | int prot = PROT_READ;
| ^~~~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4548:11: error: use of undeclared identifier 'PROT_WRITE'
4548 | prot |= PROT_WRITE;
| ^~~~~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4552:16: error: call to undeclared function 'mmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4552 | env->me_map = mmap(addr, env->me_mapsize, prot, mmap_flags,
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4552:14: error: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
4552 | env->me_map = mmap(addr, env->me_mapsize, prot, mmap_flags,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4553 | env->me_fd, 0);
| ~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4554:21: error: use of undeclared identifier 'MAP_FAILED'
4554 | if (env->me_map == MAP_FAILED) {
| ^~~~~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:4614:3: error: call to undeclared function 'munmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4614 | munmap(env->me_map, env->me_mapsize);
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:5058:24: warning: 'getpid' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [-Wdeprecated-declarations]
5058 | if (reader->mr_pid == getpid()) /* catch pthread_exit() in child process */
| ^
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/unistd.h:155:16: note: 'getpid' has been explicitly marked deprecated here
155 | __attribute__((__deprecated__(
| ^
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:5149:22: error: use of undeclared identifier 'F_RDLCK'
5149 | lock_info.l_type = F_RDLCK;
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:5153:35: error: use of undeclared identifier 'F_SETLK'
5153 | while ((rc = fcntl(env->me_lfd, F_SETLK, &lock_info)) &&
| ^~~~~~~
/host/spi-builder-workspace/Sources/CLMDB/mdb.c:5184:21: error: use of undeclared identifier 'F_WRLCK'
5184 | lock_info.l_type = F_WRLCK;
| ^~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
2 warnings and 20 errors generated.
[1/2] Compiling CLMDB mdb.c
BUILD FAILURE 6.3 wasm