rtk-ai/rtk

Request: aarch64-unknown-linux-musl pre-built binary

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#1,850 opened on May 12, 2026

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area:cienhancementhelp wantedplatform:linuxpriority:medium

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Description

Problem

The current aarch64 Linux binary (rtk-aarch64-unknown-linux-gnu) requires GLIBC 2.39, but many Linux distributions (e.g., Debian 12, Raspberry Pi OS) ship with GLIBC 2.36. This makes RTK unusable on ARM64 devices without compiling from source.

Device

  • Raspberry Pi 5 (aarch64 / ARMv8)
  • Debian 12 bookworm — ships glibc 2.36

Current error

/lib/aarch64-linux-gnu/libc.so.6: version `GLIBC_2.39' not found (required by rtk)

Request

Please provide a static musl-linked ARM64 binary (rtk-aarch64-unknown-linux-musl.tar.gz), similar to the existing rtk-x86_64-unknown-linux-musl.tar.gz. Musl is fully static and has no glibc version dependency.

Why this matters

ARM64 Linux devices (Raspberry Pi 5, Apple Silicon Macs via Linux VMs, ARM servers) are increasingly common. A musl build would make RTK universally portable without compilation.

Contributor guide

Research direction
Add a new build target for aarch64 unknown linux musl in the release workflow, ensuring cross compilation toolchains are available.
Tech stack
rust
Domain
cli
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70