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@dependabot dependabot bot commented on behalf of github Jan 5, 2026

Bumps libc from 0.2.178 to 0.2.179.

Release notes

Sourced from libc's releases.

0.2.179

With this release, we now have unstable support for 64-bit time_t on 32-bit platforms with both Musl and Glibc. Testing is appreciated!

For now, these can be enabled by setting environment variables during build:

RUST_LIBC_UNSTABLE_MUSL_V1_2_3=1
RUST_LIBC_UNSTABLE_GNU_TIME_BITS=64

Note that the exact configuration will change in the future. Setting the MUSL_V1_2_3 variable also enables some newer API unrelated to time_t.

Added

  • L4Re: Add uclibc aarch64 support (#4479)
  • Linux, Android: Add a generic definition for XCASE (#4847)
  • Linux-like: Add NAME_MAX (#4888)
  • Linux: Add AT_EXECVE_CHECK (#4422)
  • Linux: Add the SUN_LEN macro (#4269)
  • Linux: add getitimer and setitimer (#4890)
  • Linux: add pthread_tryjoin_n and pthread_timedjoin_np (#4887)
  • Musl: Add unstable support for 64-bit time_t on 32-bit platforms (#4463)
  • NetBSD, OpenBSD: Add interface LINK_STATE_* definitions from sys/net/if.h (#4751)
  • QuRT: Add support for Qualcomm QuRT (#4845)
  • Types: Add Padding::uninit() (#4862)

Fixed

  • Glibc: Link old version of cf{g,s}et{i,o}speed (#4882)
  • L4Re: Fixes for pthread (#4479)
  • L4re: Fix a wide variety of incorrect definitions (#4479)
  • Musl: Fix the value of CPU_SETSIZE on musl 1.2+ (#4865)
  • Musl: RISC-V: fix public padding fields in stat/stat64 (#4463)
  • Musl: s390x: Fix definition of SIGSTKSZ/MINSIGSTKSZ (#4884)
  • NetBSD: Arm: Fix PT_{GET,SET}FPREGS, _REG_TIPDR, and _REG_{LR,SP} (#4899)
  • NetBSD: Fix if_msghdr alignment (#4902)
  • NetBSD: Fix siginfo_t layout on 32-bit platforms (#4904)
  • NetBSD: change definition of pthread_spin_t to allow arch redefinition. (#4899)
  • Newlib: Fix ambiguous glob exports and other warnings for Vita and 3DS (#4875)
  • QNX: Fix build error (#4879)

Changed

  • CI: Update CI images to FreeBSD 15.0-release (#4857)
  • L4Re: Make pthread struct fields private (#4876)
  • Linux, Fuchsia: Mark mq_attr padding area as such (#4858)
  • Types: Wrap a number of private fields in the Padding type (#4862)

... (truncated)

Commits
  • 4c61c9c chore: release libc 0.2.179
  • a4237c0 adding pthread_tryjoin_n/pthread_timedjoin_np to Linux.
  • d4c9bb8 netbsd/arm.rs: make typo corrections which make the libc-test pass.
  • c2b4b3d netbsd/mod.rs: change definition of pthread_spin_t to allow arch redefinition.
  • bd4a7c5 links old version of cf{g,s}et{i,o}speed for glibc
  • 80a05fd netbsd/mod.rs: fix so that self-tests pass on both ilp32 and lp64.
  • 3918b91 src/new/netbsd/net/if_.rs: make if_msghdr self-tests succeed on ilp32 hosts:
  • 85aa379 build(deps): bump vmactions/solaris-vm from 1.1.8 to 1.2.3
  • ad6c4a1 qurt: Add support for Qualcomm QuRT
  • 184a558 Fix QNX build error
  • Additional commits viewable in compare view

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Bumps [libc](https://github.com/rust-lang/libc) from 0.2.178 to 0.2.179.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Changelog](https://github.com/rust-lang/libc/blob/main/CHANGELOG.md)
- [Commits](rust-lang/libc@0.2.178...0.2.179)

---
updated-dependencies:
- dependency-name: libc
  dependency-version: 0.2.179
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file rust Pull requests that update Rust code labels Jan 5, 2026
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Codecov Report

✅ All modified and coverable lines are covered by tests.

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