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2026.9.21.1: the borrowed CYGWIN is withdrawn, by measurement - #680

#680

Merged

Sunrisepeak merged 5 commits into

mainmcpp-community/mcpp:mainfrom

a-borrowed-name-means-what-the-lender-made-it-meanmcpp-community/mcpp:a-borrowed-name-means-what-the-lender-made-it-meanCopy head branch name to clipboard

Sep 20, 2026

Conversation Commits5 (5)Checks Files changed

Merged

2026.9.21.1: the borrowed CYGWIN is withdrawn, by measurement#680
Sunrisepeak merged 5 commits into
mainfrom
a-borrowed-name-means-what-the-lender-made-it-mean

C4 does not reproduce, and the belief that blocked measuring it was w…

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cross-build-test on: pull_request 4

cross-build aarch64-linux-musl (mcpp + xlings)

mingw-cross linux→windows (build + wine run)

windows→linux cross-build (windows host)

windows→linux artefact really runs (linux)

ci-windows on: pull_request 3

build + test + package (windows x64, self-host)

toolchains + regressions (windows x64)

bare Windows: no Visual Studio (windows x64)

target matrix on: pull_request 9

invariants (linux-x86_64)

invariants (linux-aarch64)

invariants (macos-arm64)

invariants (windows-x86_64)

scan (linux-x86_64)

scan (linux-aarch64)

scan (macos-arm64)

scan (windows-x86_64)

coverage (every host the table names was scanned)

ci-macos-ios on: pull_request 1

iOS - what this runner actually provides

iOS - mcpp builds and the simulator runs it

ci-linux on: pull_request 5

build + unit tests (linux x86_64, self-host)

toolchain: gcc (cold self-host)

toolchain: musl + llvm

integration: mcpp builds & runs xlings

examples: the curriculum builds

ci-linux-e2e on: pull_request 5

e2e 1/2 (linux x86_64, self-host)

e2e 2/2 (linux x86_64, self-host)

bare-metal e2e (riscv64-none-elf + cortex-m, qemu)

android e2e (NDK rows + x86_64 emulator)

hermetic e2e (no host toolchain, container)

ci-macos-e2e on: pull_request 3

e2e suite (macOS ARM64, self-host, macos-15)

e2e suite (macOS ARM64, self-host, xcode-27)

ci-windows-e2e on: pull_request 2

e2e 1/2 (windows x64, self-host)

e2e 2/2 (windows x64, self-host)

ci-macos on: pull_request 3

macOS ARM64 — xlings LLVM end-to-end (macos-15)

macOS ARM64 — xlings LLVM end-to-end (xcode-27)

ci-windows-msvc-xlings on: pull_request 1

xlings-managed msvc toolset (windows x64, self-host)

openkal cross-build (3 hosts × 3 targets) on: pull_request 7

build 3 targets on linux

build 3 targets on macos

build 3 targets on windows

openkal e2e (the scripts, on a runner that has llvm)

run 3 builds on linux

run 3 builds on macos

run 3 builds on windows

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1 warning

Complete job

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

cross-build aarch64-linux-musl (mcpp + xlings)

succeeded Sep 20, 2026 in 14m 11s

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