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The links in the sections below are outdated in light of https://source.android.com/docs/whatsnew/site-updates#aosp-changes and will be fixed soon.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-r574158
- 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  - AOSP Code Search link which can be out of date
  - Internal code search link
Android Platform LLVM binutils
- Currently clang-r574158
- These are symlinks to llvm tools and can be updated by running update-binutils.py.
Android Platform clang-stable
- Currently clang-r574158
- 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-r547379 for Android Mainline kernel.
  - Look for “clang-” in mainline build configs
  - Look for “clang-” in android16-6.12 build configs
  - Look for “clang-” in android15-6.6 build configs
- Internal LLVM developers should look in the partner gerrit for more kernel configurations.
NDK
- Currently clang-r574158
- Look for “clang-” in ndk/toolchains.py in internal code search.
Trusty
- Currently clang-r563880c
- Look for “clang-” in vendor/google/aosp/scripts/envsetup.sh.
Android Emulator
- Currently clang-r530567.
- “clang_emu_prebuilts” is hardcoded to clang-r487747c.
- The manifest for this project is pinned.
- Look for “clang-” in external/qemu/android/build/toolchains.json.
  - Note that they work out of the emu-main-dev branch.
Context Hub Runtime Environment (CHRE)
- Currently clang-r574158
- Look in system/chre/build/clang.mk.
  - Internal Code Search link
OpenJDK (jdk/build)
- Currently clang-r574158 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
- Look for “clang-” in build-openjdk25-linux.sh
Clang Tools
- Currently clang-r574158
- 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-r574158
  - Look for “CLANG_REVISION” in paths.py
- Bindgen
  - Currently clang-r574158
  - Look for “bindgenClangVersion” in bindgen.go
Stage 1 compiler
- Currently clang-r574158
- 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-r574158
- 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
Proprietary Media DRM
- Currently clang-r547379
- Look for clang version in go/android-drm-clang-version.
- Please contact g/android-drm-team for more information.

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
clang-r563880 - July 2025
clang-r563880c - September 2025
clang-r574158 - October 2025

More Information

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