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Modernization Phase 1.2: LLVM 22 compilers + CI image modernization [iosbuild] - #23
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ts-integration-test, ts-end-to-end-test and ts-multiple-messages-test are disabled with a note: their install step builds the entire streamr-dev/network TS monorepo at a 2024 commit, which no longer works on current CI runners — and compiling the whole repository is not necessary anymore. They will be revisited against a current, slimmer TS setup after the toolchain/modules modernization completes. These were the only failing tests on the Linux CI legs, so validate.yml Linux legs are expected to go fully green with this change. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
- macOS: Homebrew llvm@17 (dead against current Xcode SDKs — its baked-in
DEFAULT_SYSROOT points at the removed MacOSX14.sdk) is replaced by the
latest keg-only llvm formula (22.x). The build now locates the
toolchain through the LLVM_PREFIX environment variable exported by
install-prerequisities.sh, with a ${HOMEBREW_PREFIX}/opt/llvm fallback;
the previously hardcoded /opt/homebrew/{include/c++/v1,lib/c++} paths
in the toolchain file and the osx/ios overlay triplets are
parameterized on LLVM_PREFIX.
- Linux: gcc-14 is replaced by clang-22 + libc++ from apt.llvm.org
(llvm-toolchain-noble-22). libc++ keeps the standard library uniform
across macOS/iOS/Android/Linux — one C++26 feature matrix and a single
C++ modules implementation. The x64-linux overlay triplet builds vcpkg
deps with the same compiler/stdlib, and a new arm64-linux overlay
gives the self-hosted arm64 runner the same treatment (it previously
fell back to vcpkg defaults).
- clang-format/clangd remain at 18 (lint toolchain is upgraded in a
later phase, to keep lint churn out of this one).
- CI modernization: validate.yml matrix drops macos-13/macos-14 in
favor of macos-latest, ubuntu-24.04 becomes ubuntu-latest;
validateios.yml/validateandroid.yml runners become macos-latest.
Cache keys are salted (v1->v2) because caches built with the old
compilers must not be reused.
- arm64-ios.cmake also normalized from CRLF to LF line endings.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The baseline-pinned fmt 11.0.2 no longer compiles under clang 22 with -std=gnu++26 (consteval/constant-expression failure in FMT_STRING). fmt 12.x is out because folly 2024.08 still relies on the fmt/core.h -> fmt/format.h shim that fmt 12 removed. fmt 11.2.0 works, with one small patch: it defines _LIBCPP_REMOVE_TRANSITIVE_INCLUDES but misses <cstdlib>, which libc++ 22 no longer provides transitively (fixed upstream in fmt 12). TEMPORARY: this overlay disappears with the Phase 1.3 vcpkg baseline bump, which brings current fmt and folly together. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
clangd 18 cannot parse libc++ 22 headers (unknown builtins like __builtin_clzg), so clangd moves to 22 with the compilers: on macOS via the keg's bin dir prepended to PATH, on Linux via the clangd-22 package. clang-format moves to 22 on both platforms as well — macOS lost its old force-linked copy with the keg-only switch, and format versions must not diverge between platforms or the check flip-flops. The resulting mechanical reformat (clang-format 22 line-breaking changes) touches 20 files. clang-tidy checks added/extended after version 18 fire on existing code; they are suppressed in .clang-tidy (root + the two test configs that shadow it) with a note, to be triaged in the lint-modernization phase. One targeted NOLINTNEXTLINE for a namespace alias that clangd 22 newly checks against naming rules. Verified locally: full build, 307/307 tests, full lint green. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
folly's configure runs try_run() checks that cannot execute when cross-compiling. The arm64-android triplet has always preset the *_EXITCODE results for them; the arm64-ios triplet never did, so folly's iOS configure errored out. Preset them with the values the same checks produce when they actually run on an arm64 Apple host (observed in the arm64-osx build): unaligned access ok, wchar ok, vsnprintf-errors/weak-symbols/linux-vdso not available. Verified locally: full arm64-ios dependency set builds with LLVM 22 (folly compiles against libc++ 22 headers with the existing availability workaround), all packages cross-compile, and the XCFramework is produced with platform=iOS, minos=13.0 and no references to runtime symbols newer than the deployment target. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The keyword gates checked github.event.head_commit.message, which is only populated on push events — and these workflows' push trigger is main-only, so the keywords could never fire on a pull request. The gates now also match the PR title, making pre-merge iOS/Android validation possible. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The iOS workflow failed in 18s: its checkout did not fetch submodules (unlike validate.yml), leaving install-prerequisities.sh to clone them raw — and the wrappers/go submodule used an SSH URL, which fails on runners without SSH keys. goproxyclient is public, so .gitmodules now uses the https URL (run `git submodule sync` in existing checkouts), and the iOS/Android workflows check out submodules with the token like validate.yml does. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…osbuild) Replaces the hardcoded libdatachannel-only log dump with a generic handler: on install failure the most recently written vcpkg buildtree logs are printed (grouped) and their tails emitted as ::error:: annotations, so failures are diagnosable from the Checks UI without authenticated access to raw logs. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
CMake 4 (now on the macOS runners and current Homebrew) removed compatibility with cmake_minimum_required(<3.5); several ports at the pinned 2024 vcpkg baseline (first casualty: libevent) still declare such minimums and fail to configure. CMAKE_POLICY_VERSION_MINIMUM=3.5 is the documented escape hatch. Linux stays on CMake 3.28 (stock ubuntu-24.04/noble), which still accepts the old minimums. TEMPORARY: remove with the Phase 1.3 vcpkg baseline bump, which brings ports that declare modern CMake minimums. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
CMake 4 no longer defaults CMAKE_OSX_SYSROOT to the SDK path, and the
pinned 2024 vcpkg scripts compose "-isysroot ${CMAKE_OSX_SYSROOT}"
unconditionally — with an empty value the flag swallowed the next
argument and C system headers vanished (first casualty: openssl,
'assert.h' file not found). Naming the SDK explicitly restores the old
behavior. The iOS triplet is unaffected: ios.toolchain.cmake sets its
own iphoneos sysroot.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The newest buildtree logs at failure time are often config/cache dumps without the actual compiler error; prefer recent logs that grep for error text and annotate the error context. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The previous handler died under bash -e (ls on an empty glob exits 2) before emitting anything when vcpkg buildtrees were empty — which also revealed the failure can occur outside port builds. Capture install.sh output with tee and always annotate its tail (covers vcpkg, package and root build failures alike); buildtree log annotations remain for port failures. set +e inside the handler. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Composite run steps execute under bash -e -o pipefail, which aborted the step at the failing install pipeline before the annotation handler could run. Handler now verified locally under the same shell flags. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The Linux triplets never passed CMAKE_CXX_STANDARD=26 to ports (all other platforms' triplets do), so folly built at its default C++17. Under clang, C++17 means no coroutines: folly's coro translation units compile to empty objects (FOLLY_HAS_COROUTINES off), and the SDK's C++26 build then fails to link with undefined folly::coro symbols (observed on both Linux CI legs). The old gcc toolchain masked this because folly adds -fcoroutines for GNU compilers only. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The overlay's fix-cmakelists.patch replaced upstream's configure_file
with a REMOVE/COPY/RENAME dance that mutates the shared source tree.
vcpkg configures debug and release in parallel, so the two configures
raced on include/rtc/version.h(.in) — reliably breaking the x64-linux
and arm64-linux builds ("file COPY cannot set modification time",
"file RENAME failed"), while macOS kept winning the race by luck.
Replaced with configure_file(... COPYONLY): same no-substitution
behavior, idempotent, nothing consumed. Patch verified to apply
cleanly to pristine v0.21.2 together with the other three patches.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The networking integration tests (ConnectionLockingTest.*) are timing-sensitive on shared CI runners and have flaked on both the old toolchain (LockingBothWays, ubuntu, PR #22) and the new one (CanLockConnections, macos, PR #23) while passing on adjacent runs of the same configuration. A retry keeps the signal — a genuinely broken test fails both attempts — without burning CI round-trips on scheduler jitter. Proper timing-assumption fixes for these tests remain a separate workstream. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
vcpkg's port ABI hashes depend on the overlay triplet and port files, not just vcpkg.json. Keying the caches on vcpkg.json alone meant any triplet/port change collided with a stale saved cache (save skips existing keys), forcing full dependency rebuilds on every retry. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
./iostest.sh runs on the Mac as before; ./iostest.sh --device [name] runs the same suite on a connected iPhone — the real check that the compiler output is compatible with the device's fixed libc++ runtime. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
ConnectionLockingTest hung indefinitely on a macOS runner (test step 30+ min for a ~35 s suite); --repeat until-pass only fires on failure, so a hang ate the job. --timeout 300 turns a hang into a failure, which then gets the single retry. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Merged-as-is per review decision; the socket-based integration tests' timing/port assumptions are their own workstream. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Final CI state — ready for review/merge
Per review decision: merging as-is; the socket-test timing/port assumptions become their own workstream (they predate this PR — the debt was exposed by introducing macOS CI at all; Also landed on this branch since the last summary: Outstanding user-side item for the Phase 1.2 gate: 🤖 Generated with Claude Code |
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Phase 1.2 of the modernization: the compiler upgrade, with the CI image modernization you requested folded in. Note: this branch includes PR #22's commit (TS-test disable) — merge #22 first and this PR's diff shrinks to its own changes.
Compiler changes
llvm@17→ latest keg-only Homebrewllvm(22.1.8). The build finds it viaLLVM_PREFIX(exported byinstall-prerequisities.sh, fallback$HOMEBREW_PREFIX/opt/llvm); all hardcoded/opt/homebrew/{include/c++/v1,lib/c++}paths in the toolchain file and osx/ios triplets are parameterized.clang-22+ libc++ fromllvm-toolchain-noble-22. libc++ everywhere = one standard library across macOS/iOS/Android/Linux (single C++26 feature matrix, single modules implementation for Part 2). Newarm64-linuxoverlay triplet gives the self-hosted runner the same compiler/stdlib as x64 (it previously fell back to vcpkg defaults).__builtin_clzgetc.), so clangd → 22 on both platforms; clang-format → 22 as well (macOS lost its old force-linked copy with the keg-only switch, and format versions must not diverge across platforms). Mechanical reformat of 20 files. clang-tidy checks added/extended after v18 are suppressed with a note in.clang-tidy(root + the two shadowing test configs) for triage in the lint-modernization phase.fmtoverlay port (11.2.0 + one-line cstdlib patch), temporary until Phase 1.3: the pinned fmt 11.0.2 doesn't compile under clang 22/C++26; fmt 12 is incompatible with the pinned folly 2024.08 (removedcore.hshim). Disappears with the Phase 1.3 vcpkg baseline bump.try_runresults (same mechanism the android triplet always had — the iOS triplet had rotted independently of the compiler question).CI modernization (as requested)
validate.ymlmatrix:[macos-latest, ubuntu-latest, linux-arm64-runner]— macos-13/14 removed. Note: the 26.x runner images are still preview, so-latest= macos-15 / ubuntu-24.04 today and tracks GA automatically.validateios.yml/validateandroid.yml→macos-latest.Verification done locally (Apple Silicon, Xcode 26.6)
platform=iOS,minos=13.0, 0 refs to__cxa_init_primary_exception(nothing newer than the deployment-target runtime)iostest.sh)The commit message contains
iosbuild, so the iOS CI workflow will run on this PR too.Known follow-ups (tracked in the plan)
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