Re: [PATCH v5 0/2] kbuild: distributed build support for Clang ThinLTO

Piotr Gorski
2025-10-28T19:22:59Z

Built and booted without any problems.

lucjan at cachyos ~ 20:19:27
❯ zgrep -i THIN_DIST /proc/config.gz
CONFIG_LTO_CLANG_THIN_DIST=y
lucjan at cachyos ~ 20:19:45
❯ cat /proc/version
Linux version 6.17.5-1.3-cachyos (linux-cachyos@cachyos) (clang version
21.1.3, LLD 21.1.4) #1 SMP PREEMPT_DYNAMIC Tue, 28 Oct 2025 18:39:23 +0000

Thanks!

W dniu 28.10.2025 o 19:28, xur@google.com pisze:
> From: Rong Xu <xur@google.com>
>
> ChangeLog:
>
> V5: Handle single quote escaping in echo _c_flags to fix
> Piotr Gorski's reported error.
>
> V4: This is based on the reimplementation provided by Masahiro Yamada
> on May 26. The difference is that this version now saves the compiler
> flags (_c_flags) from the Front-End (FE) compilation and re-uses them
> for the subsequent Back-End (BE) compilation.
>
> Rong Xu (2):
> kbuild: move vmlinux.a build rule to scripts/Makefile.vmlinux_a
> kbuild: distributed build support for Clang ThinLTO
>
> .gitignore | 2 +
> Makefile | 25 +++++-------
> arch/Kconfig | 19 +++++++++
> scripts/Makefile.lib | 7 ++++
> scripts/Makefile.thinlto | 40 ++++++++++++++++++
> scripts/Makefile.vmlinux_a | 83 ++++++++++++++++++++++++++++++++++++++
> scripts/mod/modpost.c | 15 +++++--
> 7 files changed, 174 insertions(+), 17 deletions(-)
> create mode 100644 scripts/Makefile.thinlto
> create mode 100644 scripts/Makefile.vmlinux_a
>
>
> base-commit: dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa