Update glibc to 2.44 - #529

Update glibc 2.43 → 2.44

Pkgscan: clean — diff against the prior version surfaced no newly-introduced suspicious patterns.

Summary

Per-package details

Pre-merge verification

Unusually for a libc bump, this one was rebuilt against the fleet before opening, because 2.43 caused an ecosystem-wide -Werror=discarded-qualifiers break (pkgs#238) and the same class was the main risk here.

Built in a clean-room min session (minimal 0.5.0-rc3.dev.6) on gcc 15, deliberately not bundled with the available gcc 16 bump so any failure would have exactly one candidate cause:

Every non-pass was infrastructure, and each was confirmed:

• 6 × SIGKILL (codex, node, node-lts, ruff, uv, zig) — sandbox OOM on a 15.6 GiB VM. Re-run at 22 GiB: ast-grep, atuin, bandwhich all pass.
• 3 × pre-existing (bun, and hunk/opencode which build through bun) — control-tested against stock glibc 2.43 and they fail there too, so unrelated to this bump. Root cause is bun's vendored build extracting Node with a tar that tries to chown to uid 1000, which the sandbox refuses.
• 1 × timeout — harness wall-clock, not the package.

glibc itself was verified by artifact rather than exit code: the built library self-reports GNU C Library (GNU libc) stable release version 2.44.

No error:, no discarded-qualifiers, no undefined references anywhere in 312 builds — the 2.43-class breakage does not recur.

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