Android Clang/LLVM Prebuilts

For the latest version of this doc, please make sure to visit: Android Clang/LLVM Prebuilts Readme Doc

The links in the sections below are outdated in light of https://source.android.com/docs/whatsnew/site-updates#aosp-changes and will be fixed soon.

LLVM Users

• Android Platform

  • Currently clang-r547379
  • clang-r547379 for Android 16 release
  • clang-r522817 for Android V release
  • clang-r487747c for Android U release
  • clang-r450784d for Android T release
  • clang-r416183b1 for Android S release
  • clang-r383902b1 for Android R-QPR2 release
  • clang-r383902b for Android R release
  • clang-r353983c1 for Android Q-QPR2 release
  • clang-r353983c for Android Q release
  • Look for “ClangDefaultVersion” and/or “clang-” in build/soong/cc/config/global.go.
    • AOSP Code Search link

• Android Platform LLVM binutils

  • Currently clang-r547379
  • These are symlinks to llvm tools and can be updated by running update-binutils.py.

• Android Platform clang-stable

  • Currently clang-r547379
  • These are copies of some clang tools and can be updated by running update-clang-stable.py.

• RenderScript

  • Currently clang-3289846
  • Look for “RSClangVersion” and/or “clang-” in build/soong/cc/config/global.go.
    • AOSP Code Search link

• Android Linux Kernel

  • Currently clang-r522817
    • Look for “clang-” in mainline build configs.
    • Look for “clang-” in android15-6.1 build configs
  • When adding or removing a clang prebuilt, the list in kleaf/versions.bzl needs to be updated.
  • Internal LLVM developers should look in the partner gerrit for more kernel configurations.

• NDK

  • Currently clang-r530567
  • Look for “clang-” in ndk/toolchains.py

• Trusty

  • LINUX_CLANG_BINDIR: clang-r498229b
  • CLANG_BINDIR: clang-r498229b
  • Look for “clang-” in vendor/google/aosp/scripts/envsetup.sh.

• Android Emulator

  • Currently clang-r487747c
  • Linux emulator is temporarily hardcoded to clang-r487747c, see b/268674933
  • Look for “clang-” in external/qemu/android/build/toolchains.json.
    • Note that they work out of the emu-master-dev branch.
    • Android Code Search link

• Context Hub Runtime Environment (CHRE)

  • Currently clang-r547379
  • Look in system/chre/build/clang.mk.
    • Internal Code Search link

• OpenJDK (jdk/build)

  • Currently clang-r547379 for Linux
  • Darwin is pinned to older versions (clang-r487747c and clang-r522817)
  • Look for “clang-” in build-jetbrainsruntime-common.sh
  • Look for “clang-” in build-openjdk21-linux.sh

• Clang Tools

  • Currently
    • LLVM_PREBUILTS_VERSION=clang-r547379
    • LLVM_RELEASE_VERSION=20
  • Update development/vndk/tools/header-checker/envsetup.sh
  • Check out branch clang-tools and run test: OUT_DIR=out prebuilts/clang-tools/build-prebuilts.sh

• Android Rust

  • Toolchain
    • Currently clang-r536225
    • Look for “CLANG_REVISION” in paths.py
  • Bindgen
    • Currently clang-r530567
    • Look for “bindgenClangVersion” in bindgen.go

• Stage 1 compiler

  • Currently clang-r547379
  • Look for “clang-r” in toolchain/llvm_android/src/llvm_android/constants.py
  • Note the chicken & egg paradox of a self hosting bootstrapping compiler; this can only be updated AFTER a new prebuilt is checked in.

• Android Studio / Android Game Development Extension

  • Currently clang-r547379
  • Look in lldb-utils/config/clang.version

• libbootloader

  • Currently clang-r547379
  • Look for “CLANG_VERSION” in bootable/libbootloader/gbl/integration/aosp_uefi-gbl-mainline/workspace.bzl
    • Android Code Search link

Prebuilt Versions

• clang-3289846 - September 2016
• clang-r328903 - May 2018
• clang-r339409b - October 2018
• clang-r344140b - November 2018
• clang-r346389b - December 2018
• clang-r346389c - January 2019
• clang-r349610 - February 2019
• clang-r349610b - February 2019
• clang-r353983b - March 2019
• clang-r353983c - April 2019
• clang-r353983d - June 2019
• clang-r365631b - September 2019
• clang-r365631c - September 2019
• clang-r365631c1 - March 2020
• clang-r370808 - December 2019
• clang-r370808b - January 2020
• clang-r377782b - February 2020
• clang-r377782c - March 2020
• clang-r377782d - April 2020
• clang-r383902 - May 2020
• clang-r383902b - June 2020
• clang-r383902b1 - October 2020
• clang-r383902c - June 2020
• clang-r399163 - August 2020
• clang-r399163b - October 2020
• clang-r407598 - January 2021
• clang-r407598b - January 2021
• clang-r412851 - February 2021
• clang-r416183 - March 2021
• clang-r416183b - April 2021
• clang-r416183c - June 2021
• clang-r416183b1 - June 2021
• clang-r428724 - August 2021
• clang-r433403 - September 2021
• clang-r433403b - October 2021
• clang-r437112 - November 2021
• clang-r437112b - January 2022
• clang-r445002 - February 2022
• clang-r450784 - March 2022
• clang-r450784b - April 2022
• clang-r450784c - April 2022
• clang-r450784d - April 2022
• clang-r450784e - April 2022
• clang-r458507 - July 2022
• clang-r468909 - October 2022
• clang-r468909b - October 2022
• clang-r475365b - December 2022
• clang-r487747 - March 2023
• clang-r487747b - April 2023
• clang-r487747c - May 2023
• clang-r498229 - July 2023
• clang-r498229b - August 2023
• clang-r510928 - Jan 2024
• clang-r522817 - June 2024
• clang-r530567 - July 2024
• clang-r536225 - November 2024
• clang-r547379 - February 2025

More Information

We have a public mailing list that you can subscribe to: android-llvm@googlegroups.com

See also our release notes.