Re: [Buildroot] [PATCH 3/3] package/llvm-project: bump version to 23.1.0

[Julien Olivain via buildroot <buildroot@buildroot.org>]

Hi Bernd,

On 09/09/2026 23:05, Julien Olivain via buildroot wrote:
> HiBernd,
> 
> Thanks for the patch.
> 
> On 07/09/2026 17:53, Bernd Kuhls wrote:
>> https://discourse.llvm.org/t/llvm-23-1-0-released/91654
>> 
>> Removed compiler-rt patch which is included in this release.
>> 
>> Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
>> ---
> [...]
>> diff --git a/package/llvm-project/llvm-project.mk 
>> b/package/llvm-project/llvm-project.mk
>> index 5cbbda6e06..31b2a4dae7 100644
>> --- a/package/llvm-project/llvm-project.mk
>> +++ b/package/llvm-project/llvm-project.mk
>> @@ -4,8 +4,8 @@
>>  #
>>  
>> ################################################################################
>> 
>> -LLVM_PROJECT_VERSION_MAJOR = 22
>> -LLVM_PROJECT_VERSION = $(LLVM_PROJECT_VERSION_MAJOR).1.8
>> +LLVM_PROJECT_VERSION_MAJOR = 23
>> +LLVM_PROJECT_VERSION = $(LLVM_PROJECT_VERSION_MAJOR).1.0
> 
> With LLVM 23, bcc is failing to build when I tested with bpftrace.
> I tested with command:
> 
> utils/docker-run support/testing/run-tests \
>     -d dl -o output_folder \
>     tests.package.test_bpftrace
> 
> It fails with error:
> 
> /buildroot/output_folder/TestBpftrace/build/bcc-v0.36.1/src/cc/bcc_debug.cc:151:68: 
> error: no matching function for call to 
> 'llvm::MCContext::MCContext(llvm::Triple&, 
> std::unique_ptr<llvm::MCAsmInfo>::pointer, 
> std::unique_ptr<llvm::MCRegisterInfo>::pointer, 
> std::unique_ptr<llvm::MCSubtargetInfo>::pointer, std::nullptr_t)'
> 
> So could you send a v2 of the series, adding before
> the llvm bump, a bcc bump to 0.37:
> https://github.com/iovisor/bcc/releases/tag/v0.37.0
> which also includes a backport of:
> https://github.com/iovisor/bcc/commit/dad0db93fd0f443b2a4f43bc2f23c621c9202516
> 
> Could you make sure the bcc or bpftrace runtime test works with that, 
> please?

I bumped bcc and added a fix for llvm 23 in:
https://gitlab.com/buildroot.org/buildroot/-/commit/f8bf8d928cc8d8f667d14926416f1d2afbba5a91

So I applied this patch as is.

> 
>>  LLVM_PROJECT_SITE = 
>> https://github.com/llvm/llvm-project/releases/download/llvmorg-$(LLVM_PROJECT_VERSION)
>>  LLVM_PROJECT_SOURCE = llvm-project-$(LLVM_VERSION).src.tar.xz
>> 
>> --
>> 2.47.3
> 
> Best regards,
> 
> Julien.

Best regards,

Julien.
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