ci: Remove QEMU aarch64 build, drop target-cpu=native from repo config#14
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dimitris-norce merged 1 commit intomainfrom May 4, 2026
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linux-aarch64 builds via QEMU emulation were taking 58+ minutes. Removed the job from both ci.yml and release.yml. target-cpu=native in .cargo/config.toml was applying to CI runners where it has no benefit and can interfere. Moved it to a local comment so developers can set it in ~/.cargo/config.toml instead.
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Pull request overview
This PR removes the emulated Linux ARM64 build from CI/release workflows and stops forcing -Ctarget-cpu=native repo-wide so builds are more portable across CI and cross-compilation environments.
Changes:
- Removed the QEMU-based
build-linux-aarch64job from CI and release workflows. - Updated the release workflow to publish only Linux x86_64, macOS aarch64, and Windows x86_64 artifacts.
- Replaced the shared Cargo
target-cpu=nativesetting with guidance to configure it only in a developer’s local~/.cargo/config.toml.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
.github/workflows/release.yml |
Removes Linux ARM64 release artifact generation and upload. |
.github/workflows/ci.yml |
Removes the Linux ARM64 CI build job. |
.cargo/config.toml |
Drops the repo-wide Rust CPU-specific build flag and leaves local-only guidance. |
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Summary
build-linux-aarch64job from bothci.ymlandrelease.yml. The job was running via QEMU software emulation on x86_64 runners, taking 58+ minutes per release. Not worth the wait — no native ARM64 runner was being used.target-cpu=nativefrom.cargo/config.toml. This flag was applying globally including in CI, where it provides no benefit (runners aren't specialized hardware) and can interfere with cross-compilation. Developers who want it locally can add it to~/.cargo/config.toml.