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* LLVM 21 compatibility issue with swab.h
@ 2026-05-29  5:23 Theron York
  2026-05-29  6:07 ` Thomas Weißschuh
  0 siblings, 1 reply; 2+ messages in thread
From: Theron York @ 2026-05-29  5:23 UTC (permalink / raw)
  To: linux-kernel

Hello,

Building Linux kernel 7.0.6 on Gentoo with LLVM  fails:
   error: unknown type name '__attribute_const__'

Setup:
- Gentoo Linux
- LLVM 21 (clang)
- musl libc
- x86_64

Workaround:
   sed -i 's/__attribute_const__/__attribute__((const))/g' 
./include/uapi/linux/swab.h


Thanks,
Theron York


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: LLVM 21 compatibility issue with swab.h
  2026-05-29  5:23 LLVM 21 compatibility issue with swab.h Theron York
@ 2026-05-29  6:07 ` Thomas Weißschuh
  0 siblings, 0 replies; 2+ messages in thread
From: Thomas Weißschuh @ 2026-05-29  6:07 UTC (permalink / raw)
  To: Theron York; +Cc: linux-kernel

Hi Theron,

On 2026-05-29 00:23:09-0500, Theron York wrote:
> Building Linux kernel 7.0.6 on Gentoo with LLVM  fails:
>   error: unknown type name '__attribute_const__'
> 
> Setup:
> - Gentoo Linux
> - LLVM 21 (clang)
> - musl libc
> - x86_64
> 
> Workaround:
>   sed -i 's/__attribute_const__/__attribute__((const))/g'
> ./include/uapi/linux/swab.h

can you post all the commands you are executing from a clean source
checkout *and* the full error message?
That will make it much easier to help you.


Thomas

^ permalink raw reply	[flat|nested] 2+ messages in thread

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