feat(c)!: ship the generated C API as the moq-c package by kixelated · Pull Request #6052 · moq-dev/moq

kixelated · 2026-10-20T06:06:47Z

Completes quest/m1/c/package.md: the generated C API ships as the moq-c package, version 0.8.0.

Summary

c/moq (just c check|package) builds moq-ffi with cargo (or takes an explicit MOQ_FFI_DIR native input, like cpp/moq), renders it with uniffi-bindgen-cpp --lang c at the existing pin, and compiles the C header's C++ implementation plus a hand-written moq_shutdown (moq_ffi_shutdown, then moq_shutdown_dispatcher) into libmoq.a / moq.lib.
The archive moq-c-0.8.0-<target> holds libmoq.a, moq-ffi's staticlib as libmoq_c_ffi.a (so moq-cpp's libmoq_ffi.a can share a prefix), include/moq/moq.h (umbrella), include/moq/version.h, and include/moq/ffi/moq.h (generated), a CMake config exporting moq::c, moq-c.pc, and MIGRATE.md. Both configs locate the prefix relative to themselves and honor CMAKE_INSTALL_LIBDIR; the hand-written config hardcoded <prefix>/lib.
A C program needs no C++ compiler: the config and .pc add the C++ runtime (the C++ compiler's implicit libraries the C compiler lacks). On MSVC the C++ objects always use /MD, like the Rust staticlib.
test/probe.c is a C-only consumer: a returned error and its message, a loopback QUIC session, a frame read through a callback, a client naming itself with MOQ_IMPLEMENTATION as the server's moq_request_peer_implementation sees it, a cancelled read whose callback never runs, a retrying first dial whose moq_session_state / moq_session_state_changed name its failure and then a closed state, a callback in flight at moq_shutdown that never runs after it returns, and every callback on its own loop through moq_set_dispatcher / moq_work_run. just c check builds it through find_package (installed to lib64/, found by moq-c_DIR since Debian-family CMake skips lib64/ under a prefix) and pkg-config; --archive FILE checks a release archive. With Ninja, it also dry-runs a build adding both c/moq and cpp/moq.
c/moq and cpp/moq share cpp/moq/cmake/moq-ffi.cmake for the native input: the prebuilt manifest checks, the native-libs list, and one moq_ffi_cargo target per build tree that reads the library paths from cargo's JSON messages and hard-links them into the build tree. Both inputs compare the compiler's architecture (CMAKE_OSX_ARCHITECTURES, else CMAKE_CXX_COMPILER_ARCHITECTURE_ID, else CMAKE_SYSTEM_PROCESSOR; non-64-bit never matches): a source build refuses any compiler that does not target the host (cross-compiling, -m32, Visual Studio's -A Win32, a foreign or universal CMAKE_OSX_ARCHITECTURES), and a prebuilt input refuses a manifest target the compiler does not match.
CI: release-c.yml (tag c-v*, four targets, every archive checked), a nightly dry run reusing the shared native input, a clang job (c.yml, run by nightly and by release-gate.yml on release PRs, like cpp.yml), the Windows platform gate, the dispatch map, and alert coverage.
MoqAudioEncoderFinish is now MoqAudioEncoderFinished: the C backend refused to emit moq_audio_encoder_finish as both the record and MoqAudioEncoder::finish. Wrapper aliases (EncoderFinish) are unchanged; Dart's raw bindings are regenerated. One C name per moq-ffi item (draft moq-dev/moq#6793) will fix the generator instead and may rename C symbols as its own change.
c/moq/MIGRATE.md carries rs/moq-c/MIGRATE.md's history; the hand-written-to-generated mapping is in the Impact section below, for the release cut to write into it. doc/lib/c / doc/lib/cpp say a program links moq-c or moq-cpp, never both. AGENTS.md's Cross-Package Sync rows point at c/moq.

Takeover (2026-10-22)

The branch was about 250 commits behind; it now merges origin/main (no rebase).

Resolved conflicts in nightly.yml, sh/dispatch.sh (main renamed ci-check to ci), both MIGRATE.md files, and doc/index.md (main's rewrite no longer lists the languages, so the shared-library fix is moot).
moq-dev/moq#6154 moved every release-PR workflow behind release-gate.yml, so c.yml lost its own pull_request trigger and is selected there by its old paths.
The quest now requires keeping the retrying first-dial failure from moq-dev/moq#6131. The generated header already carries moq_client_failure; the probe now polls it against a closed port and MIGRATE.md maps the hand-written call to it. Per the maintainer's 2026-10-22 decision, binding-state will replace it with the state snapshot's last failure; that quest now says to move this probe step and MIGRATE.md row with it.
The probe expects an untimed received frame, matching the C++ probe since moq-dev/moq#6150 dropped received moq-lite-06 timestamps.
Fixed the open Codex finding on same-OS architecture mismatches (see above).
Async failure contract required this quest; its Required section is removed. Note that it plans to make freeing a pending task deliver a cancelled callback, which changes the "callback never runs" rule this probe checks.

Iteration (2026-10-23)

Merged origin/main (no rebase). Conflicts in rs/moq-ffi/MIGRATE.md and cpp/moq/MIGRATE.md keep both sides. The probe announces with moq_announce_route_default() since moq-dev/moq#6473 split MoqAnnounceRoute from MoqRoute, and sh/gh/queue.test.ts lists c among the release-gate calls.
c/moq/MIGRATE.md carried rs/moq-c/MIGRATE.md only up to feat(data)!: data consumers return each value's timestamp #5677; it now carries every entry, including those main added since. The hand-written crate never published as moq-c (the last C release is libmoq 0.6.18), so the section now says a libmoq 0.6 user applies those entries, then the table.
Fixed the Codex finding on CMAKE_OSX_ARCHITECTURES (see Summary); the prebuilt branch had the same gap.
The quest plan on main is unchanged; no replanning applies.

Iteration (2026-10-25)

Merged origin/main (no rebase). Conflicts: flake.nix and sh/dispatch.sh (main reordered the lanes and renamed MOQ_STRICT to CI_STRICT; c sits beside cpp); quest/m1/c/README.md keeps main's name-clash quest; quest/m1/api-audit/binding-state.md stays deleted (main finished it).
moq-dev/moq#6610 writes MIGRATE.md at the breaking cut, so this PR's ## Unreleased entries in rs/moq-ffi, cpp/moq, and c/moq are gone and the 0.7 to 0.8 mapping lives in Impact below. c/moq/MIGRATE.md re-carries rs/moq-c/MIGRATE.md's history as of main.
moq-dev/moq#6487 replaced moq_client_failure with moq_session_state / moq_session_state_changed, and connect now returns a connecting session. The probe observes the retrying first dial's MOQ_ERROR_CONNECT in MOQ_CONNECTION_PHASE_CONNECTING, then the closed state after moq_session_cancel, as the quest asked.
moq-dev/moq#6775 has every binding name itself in SETUP. The package adds <moq/version.h> (MOQ_C_VERSION, from c/moq/VERSION) and MOQ_IMPLEMENTATION ("moq-c/" MOQ_C_VERSION) in <moq/moq.h>, mirroring moq::IMPLEMENTATION, and the probe checks the server sees it.
Durations are typed moq_duration nanoseconds since moq-dev/moq#6720; the probe's retry timeout follows.

Public API and wire impact

New package moq-c 0.8.0 (unreleased): a full break from the hand-written 0.7 ABI, as the epic decided. New exports beyond the generated API: moq_shutdown, MOQ_C_VERSION, MOQ_IMPLEMENTATION. To migrate:

moq-c 0.8.0 replaces the hand-written ABI with one generated from moq-ffi, the crate every other binding wraps, so a function here means what its method means in Python, Go, or C++.
Every call changes shape once; the names are moq-ffi's in snake case, and <moq/ffi/moq.h> documents each one.

0.7	0.8
`#include <moq.h>`	`#include <moq/moq.h>`
`-lmoq`	`-lmoq -lmoq_c_ffi` plus the C++ runtime; take them from `pkg-config --libs moq-c` or `moq::c`
`int32_t` handles	opaque pointers, each released with its `moq_<type>_free`
a negative return code, then `moq_error()`	a returned `moq_error *` (NULL on success) with `tag`, its fields, and `moq_error_message()`; free it with `moq_error_free`
results written to `dst`	results written to the last argument, `out`
`const char *` plus a length	a NUL-terminated UTF-8 string
a zeroed config struct	`moq_<record>_default()`, then set fields
a value plus a `*_present` flag	`{ has_value, value }`, or a pointer that is NULL when absent
one `moq_status_callback` per stream of results	a callback per call that returns a `moq_task *`; call again for the next result, and `moq_task_free` cancels
callbacks on moq's callback thread	callbacks on moq's dispatcher thread, or your own loop through `moq_set_dispatcher` and `moq_work_run`
process teardown	`moq_shutdown()` before unloading; pending callbacks may run during it, never after

A few common calls:

0.7	0.8
`moq_origin_create`	`moq_origin_producer_new`
`moq_origin_create_broadcast`	`moq_origin_producer_create_broadcast`
`moq_publish_track`	`moq_broadcast_producer_publish_track`
`moq_session_connect`	`moq_client_new`, then `moq_client_connect`
`moq_session_connect`'s `moq_state_callback`	`moq_session_state`, then `moq_session_state_changed` with its `revision`; a retrying first dial names its `failure`, and the last state is `MOQ_CONNECTION_PHASE_CLOSED`
`moq_client_config.implementation`	`MOQ_IMPLEMENTATION` after your own tokens, in `moq_client_config.implementation` / `moq_server_config.implementation`
`moq_server_listen`	`moq_server_new`, `moq_server_listen`, then `moq_server_accept` per session
`moq_consume_track`	`moq_broadcast_consumer_subscribe_track`, then `moq_track_consumer_read_frame` per frame

static void on_frame(void *user_data, moq_error *error, moq_frame *frame) {
    if (error) {
        fprintf(stderr, "read failed: %s\n", moq_error_message(error));
        moq_error_free(error);
    } else if (frame) {
        use(frame->payload.data, frame->payload.len);
        moq_frame_free(frame);
    }
}

moq_task *task = moq_track_consumer_read_frame(track, on_frame, user_data);
// Free it after the callback, or before to cancel the read.

The archive holds the compiled C API (libmoq.a / moq.lib) and moq-ffi's staticlib, installed as libmoq_c_ffi.a / moq_c_ffi.lib so it never overwrites moq-cpp's, and links the C++ runtime.
It embeds the same Rust runtime as the C++ package, moq-cpp, so a program links one of the two, never both.

moq-ffi: record MoqAudioEncoderFinish renamed to MoqAudioEncoderFinished (breaking for raw UniFFI and C++ moq::AudioEncoderFinish users: rename the type; fields are unchanged). Wrapper APIs unchanged.
No wire change.

Decisions (confirmed)

The maintainer confirmed each decision below, taking the recommended course; the alternatives stay listed.

Record name. Chosen: MoqAudioEncoderFinished (closest to Rust's encode::Finish and the wrappers' EncoderFinish). Alternative: MoqAudioEncoderTail.
Release tag. Chosen: c-v* until the hand-written crate retires (release-plz owns moq-c-v* for it until c-retire; archive, CMake, and pkg-config names already match). Alternative: switch this workflow to moq-c-v* once the crate retires.
Header path. Chosen: <moq/moq.h> umbrella including the generated <moq/ffi/moq.h>, mirroring <moq/moq.hpp>. Alternative: keep <moq.h> and append moq_shutdown to the generated header.
Compiled vs source. Chosen: the C++ implementation ships compiled, so C users link with cc. Alternative: ship it as source the consumer compiles, the way moq-cpp ships.
Location. Chosen: c/moq with just c, mirroring cpp/moq. Alternative: cpp/c.
First-dial failure. Whichever of this PR and binding-state landed second adapts to the state snapshot's last failure (maintainer, 2026-10-22); binding-state landed first, so the probe reads moq_session_state.

AGENTS.md edit

This PR edits the two Cross-Package Sync rows in AGENTS.md that named the hand-written rs/moq-c (the rs/moq-ffi targets and the C ABI moq.h row) so they point at c/moq. The quest asked for this edit explicitly, and the maintainer confirmed it.

Follow-ups

Move cpp/moq/cmake/moq-ffi.cmake and rs/moq-c/native-libs to a neutral home outside both packages, the latter before c-retire deletes it.
Rename the cpp-native-* artifacts and just cpp ffi helpers, which both packages now use.
C consumers: port the interop client and doc/lib/c samples, and compile those samples in just c check.

Checks

just check on the merged head: every module passed except flake, which fails building the github-runner VM image (unshare: write failed /proc/self/uid_map), a local user-namespace restriction unrelated to this diff. The modules and test suites after it (ts_paths, markdown, shell, toml, nix, justfile, gh, and the rs, py, gh, js tests) were run individually and pass.
A -m32 configure of c/moq is refused at configure time.
Not run locally: macOS (including the CMAKE_OSX_ARCHITECTURES refusal), Windows/MSVC, aarch64 Linux, clang (c.yml), and the release-c.yml dry run; CI covers them except the macOS refusal.

(Written by Claude Opus 5.5)

🤖 Generated with Claude Code

c/moq renders moq-ffi through uniffi-bindgen-cpp's C backend, compiles the C header's C++ implementation with a hand-written moq_shutdown, and installs moq-c 0.8.0: libmoq plus moq-ffi's staticlib, <moq/moq.h>, a CMake config exporting moq::c, and moq-c.pc, both honoring CMAKE_INSTALL_LIBDIR. A C-only probe links the installed package through find_package and pkg-config over a loopback QUIC session, with callbacks on its own loop. release-c.yml, the nightly, platform.yml, and a clang job mirror the C++ package. MoqAudioEncoderFinish becomes MoqAudioEncoderFinished so its C name no longer collides with MoqAudioEncoder::finish. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated · 2026-10-20T06:07:03Z

Outcome: the package is implemented and checked locally on x86_64 Linux (source build, release archive, C-only find_package, pkg-config, and add_subdirectory consumers). Left as a draft for the five open decisions in the description: the record name, the c-v* tag, the <moq/moq.h> header path, shipping the C++ implementation compiled, and the c/moq location. Issues hit: the C backend refused moq_audio_encoder_finish (record vs method), fixed by renaming the record in moq-ffi; the full just check stopped on one MIGRATE.md blank line, fixed and the remaining modules rerun. macOS, Windows, aarch64, and clang are left to CI.

(Written by Claude Opus 5.5)

chatgpt-codex-connector · 2026-10-20T06:08:30Z

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.github/workflows/release-gate.yml
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c/moq/.gitignore
c/moq/CMakeLists.txt
c/moq/MIGRATE.md
c/moq/README.md
c/moq/VERSION
c/moq/build.sh
c/moq/cmake/moq-c-config.cmake.in
c/moq/cmake/moq-c.pc.in
c/moq/cmake/version.h.in
c/moq/include/moq/moq.h
c/moq/src/shutdown.c
c/moq/test/CMakeLists.txt
c/moq/test/probe.c
c/moq/test/superbuild/CMakeLists.txt
cpp/moq/CMakeLists.txt
cpp/moq/cmake/moq-ffi.cmake
dart/moq/lib/audio.dart
dart/moq_ffi/lib/src/moq.dart
doc/lib/c/index.md
doc/lib/cpp/index.md
flake.nix
go/wrapper/audio/audio.go
justfile
kt/moq/src/jvmAndAndroidMain/kotlin/dev/moq/audio/Audio.kt
py/moq-rs/moq/audio.py
quest/m1/c/README.md
quest/m1/c/async-failure-contract.md
quest/m1/c/consumers.md
quest/m1/c/package.md
rs/moq-ffi/src/audio.rs
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c/moq/README.md
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c/moq/test/probe.c
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Walkthrough

The change adds the generated moq-c static package, CMake and pkg-config integration, build and validation scripts, a C consumer probe, and CI and release workflows. It updates dispatch rules and documentation for C checks. It centralizes moq-ffi CMake orchestration for C++ builds. Separately, it renames the Rust FFI audio encoder finish-result record to MoqAudioEncoderFinished and updates supported language bindings.

Priority: Normal

Merge Risk: Minimal · up to 1558e

This change adds the moq-c package, its validation probe, and its CI and release workflows. Earlier concerns about CI coverage and a shutdown-probe false failure are fixed or did not apply. No known defect blocks merging. Platform coverage beyond x86_64 Linux still relies on CI.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 34.78% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 23 functions across 12 files. (10 skipped…	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Title check		The title clearly and concisely summarizes the primary change: shipping the generated C API as the `moq-c` package.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.
Description check		The PR description is specific and related to the changeset. It states that the generated C API ships as the moq-c 0.8.0 package, and it describes the c/moq build, the release-c.yml and c.yml CI workf…

Full details: Description check

Explanation

The PR description is specific and related to the changeset. It states that the generated C API ships as the moq-c 0.8.0 package, and it describes the c/moq build, the release-c.yml and c.yml CI workflows, the MoqAudioEncoderFinish to MoqAudioEncoderFinished rename, the header and CMake changes, and the migration notes. These match the file summaries in the raw summary.

Full details: Docstring Coverage

Explanation

Docstring coverage is 34.78% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 23 functions across 12 files. (10 skipped: 10 unsupported.)

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

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…r its target dir Debian-family CMake never searches lib64/ under a prefix, so the clang job's probe could not find the lib64 install through CMAKE_PREFIX_PATH. Name its config directory instead; archives (lib/) still use the prefix. c/moq and cpp/moq now resolve the cargo target directory through `cargo metadata`, so a relative CARGO_TARGET_DIR or a configured build.target-dir points bindgen, link, and install at the library cargo actually built. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

# Conflicts: # cpp/moq/MIGRATE.md # rs/moq-ffi/MIGRATE.md

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AGENTS.md
c/justfile
c/moq/.gitignore
c/moq/CMakeLists.txt
c/moq/MIGRATE.md
c/moq/README.md
c/moq/VERSION
c/moq/build.sh
c/moq/cmake/moq-c-config.cmake.in
c/moq/cmake/moq-c.pc.in
c/moq/include/moq/moq.h
c/moq/src/shutdown.c
c/moq/test/CMakeLists.txt
c/moq/test/probe.c
cpp/moq/CMakeLists.txt
cpp/moq/MIGRATE.md
dart/moq/lib/audio.dart
dart/moq_ffi/lib/src/moq.dart
doc/index.md
doc/lib/c/index.md
doc/lib/cpp/index.md
flake.nix
go/wrapper/audio/audio.go
justfile
kt/moq/src/jvmAndAndroidMain/kotlin/dev/moq/audio/Audio.kt
py/moq-rs/moq/audio.py
quest/m1/c/README.md
quest/m1/c/consumers.md
quest/m1/c/package.md
rs/moq-ffi/MIGRATE.md
rs/moq-ffi/src/audio.rs
sh/c/check.sh
sh/dispatch-query.test.py
sh/dispatch.sh
swift/Sources/Moq/Audio.swift

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moq_shutdown drains the dispatcher, so a callback already in flight can still run while it does; the header promised pending calls never call back. It now says none run once it returns, which the probe checks with a read whose frame lands just before shutdown and handles freed after. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

`just check` ran from c/, where c/justfile's justfile_directory() is c/, so a bare `just c` called the missing c/sh/c/check.sh. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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c/moq and cpp/moq each declared the cargo outputs as byproducts of their own render target, so a project adding both failed under Ninja with multiple rules for libmoq_ffi.a. Whichever package configures first now creates `moq_ffi_cargo`, and both render targets depend on it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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The check fails with "multiple rules generate libmoq_ffi.a" without the shared cargo target, so it guards the fix. It only generates and dry-runs, so it adds seconds, and runs wherever Ninja is installed. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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🪄 Fix comments: Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @c/moq/test/probe.c:
- Line 387: Update the probe assertion around moq_shutdown() to accept and free
MOQ_ERROR_CANCELLED when the read remains pending, while retaining the
successful-frame validation for completed reads. Adjust the CHECK on
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📒 Files selected for processing: 9

c/justfile
c/moq/CMakeLists.txt
c/moq/MIGRATE.md
c/moq/README.md
c/moq/include/moq/moq.h
c/moq/test/probe.c
c/moq/test/superbuild/CMakeLists.txt
cpp/moq/CMakeLists.txt
sh/c/check.sh

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c/moq/include/moq/moq.h
c/moq/README.md
c/moq/MIGRATE.md

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Main PRs are gated only by the merge queue, so the path-filtered clang job moves to release PRs plus a nightly call on main. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

A build target moves the library under <triple>/, which cargo metadata does not report, so bindgen would miss it. Both packages build moq-ffi for the host only, as their build.sh already insists. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

A drained poll after the runtime stops resolves Cancelled before it sees the frame, which the moq_shutdown contract allows. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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c/moq and cpp/moq now include one cpp/moq/cmake/moq-ffi.cmake for the native input: the prebuilt manifest checks, the native-libs list, and a cargo build that reads the moq_ffi artifact's filenames from cargo's JSON messages and hard-links them into the top-level build tree. No cargo setting (CARGO_TARGET_DIR, build.target-dir, build.target) can move the libraries from where the packages look, so the CARGO_BUILD_TARGET refusal and the cargo metadata lookup are gone. moq-c installs its moq-ffi archive as libmoq_c_ffi.a (moq_c_ffi.lib), so moq-cpp, released at its own moq-ffi pin, can install to the same prefix without overwriting it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

# Conflicts: # sh/dispatch.sh

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The package's C++ and Rust objects use the release CRT in every configuration, so a default Debug MSVC consumer (/MDd) fails with LNK2038. Say so, as the C++ package's docs do, and have the Windows probe build Debug as well as Release with the documented runtime. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CMAKE_OSX_ARCHITECTURES, like -m32 or Visual Studio's -A, changes the compiled architecture without setting CMAKE_CROSSCOMPILING. Normalize the compiler's architecture once and check it against the host for a source build and against the manifest target for a prebuilt input, which matched CMAKE_SYSTEM_PROCESSOR and so accepted a mismatched package too. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated · 2026-10-24T01:22:24Z

@codex review

(Written by Claude Opus 5.5)

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Codex Review: Didn't find any major issues. Swish!

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kixelated · 2026-10-25T17:12:48Z

Maintainer decisions (2026-10-25), recorded in moq-dev/moq#6798:

The hand-written moq-c ships at this cut as 0.7, with parity for m1.
The generated C package ships after the cut, once moq builds from rust2's UniFFI fork. So keep holding this until after the cut.
The C name clash is fixed in the generator (explicit method namespace), so drop the MoqAudioEncoderFinish -> MoqAudioEncoderFinished rename.
quest: audit the tree and record the 2026-10-25 decisions #6798 moves this quest to quest/m2/c/package.md.
Also on main: the generator refuses #[uniffi(default = Some(0))] in rs/moq-ffi/src/consumer.rs (from feat(net)!: dynamic tracks serve fills for misses #6171).

(Written by Claude Opus 5.5)

kixelated · 2026-10-25T19:18:38Z

Merge agent: not landing. Plans recorded on main after this PR's last iteration conflict with it:

One C name per moq-ffi item (maintainer, 2026-10-24, moq-dev/moq#6659): fix the C generator in kixelated/rust2's UniFFI fork so it derives collision-free names, and rename no moq-ffi item. That supersedes Decision 1 here (MoqAudioEncoderFinished). Without the rename, --lang c refuses to emit the header until moq builds from a generator that ships the fix.
The package quest now requires the connection-state snapshot through state() / state_changed() (moq-dev/moq#6487 shipped binding-state). The probe's moq_client_failure step and its MIGRATE.md row have to move to it.
moq-dev/moq#6610 writes MIGRATE.md at the breaking cut, not per PR, and main rewrote cpp/moq/MIGRATE.md as a first release. The per-PR entries here (rs/moq-ffi, cpp/moq) should go. The package's own c/moq/MIGRATE.md is still in the quest's plan.

Recommendation: land the name-clash fix in rust2 and bump the uniffi-bindgen-cpp pin first. Then iterate on this PR: drop the rename, move the probe to the state snapshot, drop the per-PR MIGRATE entries, and merge main. The merge also conflicts in flake.nix (MOQ_STRICT is now CI_STRICT), sh/dispatch.sh (main reordered the module lanes), and quest/m1/c/README.md.

(Written by Claude Opus 5.5)

# Conflicts: # cpp/moq/MIGRATE.md # flake.nix # quest/m1/api-audit/binding-state.md # quest/m1/c/README.md # quest/m1/c/package.md # rs/moq-ffi/MIGRATE.md # sh/dispatch.sh

…RATE The probe observes a retrying first dial through moq_session_state and moq_session_state_changed, ending closed, now that moq_client_failure is gone. The package names itself through MOQ_IMPLEMENTATION, like moq::IMPLEMENTATION. MIGRATE.md entries move to the PR's Impact section, written at the release cut. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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Reviewed commit: e8b7faf07580daf4c657381fa21c40e72fd3c322.

[P1] Update both C workflow generator pins. .github/workflows/c.yml:39 and .github/workflows/release-c.yml:63 still install v0.11.0-kixelated.5+v0.32.2. The merged duration support requires .7: #6683 documents that the earlier C backend refuses UniFFI Duration, and this head now consumes typed durations (including the retry timeout in c/moq/test/probe.c). Consequently the standalone clang gate and source/same-run-input C release builds cannot generate the current API, even when Nix checks pass using .7. Bump both install lines to the same .7 tag already used by flake.nix and the C++/shared-native workflows.

Direction: sharing the native build and generating the C package remains simpler than maintaining a second handwritten ABI. The implementation-token/header and connection-state probe adaptations fit that direction. The previous macOS architecture-override finding is addressed by the common architecture selection and manifest checks; I found no unresolved review threads to repeat.

Compared with the last substantive published review (db4039d1687aee965a740f4c33fa5519027b8645), separating merged-main changes from the C-package integration. Static GitHub inspection only; no builds, tests, or cross-platform release runs executed.

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated · 2026-10-26T00:10:55Z

Fixed the P1 from #6052 (review) in 92788c3: c.yml and release-c.yml now install v0.11.0-kixelated.7+v0.32.2, matching flake.nix and the C++/shared-native workflows.

(Written by Claude Opus 5.5)

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Reviewed commit: 92788c3cf9a0f7536a5448fb4a320bff00f9d5da.

The previous P1 finding is fixed: .github/workflows/c.yml:39 and .github/workflows/release-c.yml:63 now both pin v0.11.0-kixelated.7+v0.32.2, matching the Duration-capable generator used elsewhere.

This two-line dependency correction is the appropriate minimal fix. No new actionable bugs found in the update from e8b7faf07580daf4c657381fa21c40e72fd3c322; the base is unchanged. Static inspection only, not a successful build or release-test claim.

(Written by OpenAI)

# Conflicts: # quest/m1/c/README.md

kixelated · 2026-10-26T01:59:37Z

Landing summary (maintainer picked "land now"; C coverage gaps close in the consumers quest before any c-v0.8.0 tag):

Merged origin/main twice (no rebase). Since the last review, the only conflict was quest/m1/c/README.md, which keeps main's GLib-style name-clash line from moq-dev/moq#6793 and drops the finished package quest.
moq-dev/moq#6177 added tokens to moq-ffi's client config. The generated header carries it (moq_client_config.tokens), so the generated package matches the hand-written crate. No probe or doc change was needed. moq-dev/moq#6751, #6750, and #6745 are still open.
just c check passes on the merged head, and quest check --base origin/main --branch quest/m1/c/package passes.
MoqAudioEncoderFinished stays for now. The GLib naming from docs(quest): the generated C names follow GLib #6793 reaches moq through a later generator pin, which can revert that rename.

(Written by Claude Opus 5.5)

# Conflicts: # AGENTS.md

kixelated · 2026-10-26T16:56:09Z

Requeue summary: the PR left the merge queue on a conflict with main.

Merged origin/main (no rebase) as 2884594. The only conflict was AGENTS.md's Cross-Package Sync table: main added the rs/moq-scene, rs/moq-studio row, kept beside this PR's c/moq C API row.
moq-dev/moq#6740 changed moq-ffi's producers; the generated header picks it up with no probe or doc change. just c check and just dart check pass on the merged head, and quest check --base origin/main --branch quest/m1/c/package passes.
No design change and no new decisions; landing per the maintainer's earlier "land now".

(Written by Claude Opus 5.5)

kixelated and others added 5 commits October 19, 2026 21:39

quest: claim quest/m1/c/package

13b2618

Merge remote-tracking branch 'origin/main' into quest-m1-c-package

ab531dc

docs(c): format MIGRATE.md

b8e5b49

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs: link MIGRATE entries to #6052

61c8e0c

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated marked this pull request as ready for review October 20, 2026 06:08

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kixelated and others added 2 commits October 19, 2026 23:27

Merge remote-tracking branch 'origin/main' into merge-main-6052

186643e

# Conflicts: # cpp/moq/MIGRATE.md # rs/moq-ffi/MIGRATE.md

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kixelated and others added 2 commits October 20, 2026 01:13

fix(c): run check directly from the module's default recipe

c430b76

`just check` ran from c/, where c/justfile's justfile_directory() is c/, so a bare `just c` called the missing c/sh/c/check.sh. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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kixelated and others added 3 commits October 20, 2026 01:38

ci(c): run the clang job on release PRs and nightly, like cpp.yml

01e5f45

Main PRs are gated only by the merge queue, so the path-filtered clang job moves to release PRs plus a nightly call on main. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

test(c): accept a read cancelled by shutdown in the probe

86df27f

A drained poll after the runtime stops resolves Cancelled before it sees the frame, which the moq_shutdown contract allows. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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kixelated and others added 2 commits October 20, 2026 01:50

Merge remote-tracking branch 'origin/main' into merge-main-6052

e941ad2

# Conflicts: # sh/dispatch.sh

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kixelated and others added 2 commits October 23, 2026 16:53

test(gh): list the c workflow among the release-gate calls

39c392a

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated mentioned this pull request Oct 25, 2026

quest: audit the tree and record the 2026-10-25 decisions #6798

Merged

kixelated added the quest:merge label Oct 25, 2026

kixelated added quest:merge and removed quest:merge labels Oct 25, 2026

kixelated and others added 2 commits October 25, 2026 15:32

Merge remote-tracking branch 'origin/main' into merge-6052

dc05721

# Conflicts: # cpp/moq/MIGRATE.md # flake.nix # quest/m1/api-audit/binding-state.md # quest/m1/c/README.md # quest/m1/c/package.md # rs/moq-ffi/MIGRATE.md # sh/dispatch.sh

kixelated mentioned this pull request Oct 25, 2026

docs(quest): the generated C names follow GLib #6793

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kixelated commented Oct 26, 2026

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ci(c): install the generator pin that renders typed durations

92788c3

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

kixelated commented Oct 26, 2026

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kixelated added quest:merge and removed quest:merge labels Oct 26, 2026

Merge remote-tracking branch 'origin/main' into merge-6052

a337170

# Conflicts: # quest/m1/c/README.md

kixelated added this pull request to the merge queue Oct 26, 2026
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kixelated mentioned this pull request Oct 26, 2026

feat(bindings)!: decoders read gaps and ends #6745

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quest: plan the 2026-10-25 quest-complete follow-ups and the C direction #6850

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Merge remote-tracking branch 'origin/main' into c-package-merge

2884594

# Conflicts: # AGENTS.md

kixelated added this pull request to the merge queue Oct 26, 2026
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Takeover (2026-10-22)

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Iteration (2026-10-25)

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