ci: build arm64 prebuilds on native ARM runners (drop QEMU + 32-bit arm)#37
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The arm prebuilds ran node containers under QEMU emulation, which is slow and hit "qemu: uncaught target signal 4 (Illegal instruction)" crashes on musl/arm64. GitHub now offers free native ARM runners for public repos. - alpine/glibc arm64 now run on `ubuntu-24.04-arm` as ordinary container jobs, mirroring the x64 jobs (no docker/setup-qemu-action, no `docker run` wrapper). - Drop the 32-bit `arm/v7` prebuilds — Zero does not support 32-bit ARM. - Rename + update publish `needs` accordingly. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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First step toward fixing the ICU linking situation: get the arm64 builders onto solid ground.
What
Replace the QEMU-emulated arm prebuilds with native
ubuntu-24.04-armcontainer jobs (free for public repos), arm64-only.prebuild-alpine-arm64,prebuild-linux-arm64,prebuild-linux-arm64-node-modernnow run onubuntu-24.04-armas ordinary container jobs — identical to the x64 jobs except the runner. Nodocker/setup-qemu-action, nodocker run --platformwrapper.arm/v7(32-bit ARM) — not supported by Zero.publishneeds:to the renamed jobs.Why
qemu: uncaught target signal 4 (Illegal instruction)crash we hit on emulated musl/arm64.-fPIC, or dropping ICU), the arm64 jobs will build it natively — no more 30–60 min QEMU ICU compiles.Validation
Prebuild jobs only run on
release, so this PR's CI won't exercise them. They mirror the working x64 jobs, so risk is low — they'll be validated when we cut the next release (1.1.1). Happy to do a throwaway test release first if you'd prefer to confirm the native runners before the real one.🤖 Generated with Claude Code