Re: [PATCH bpf-next 1/2] libbpf: Add missing per-arch include path

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On Fri, Sep 27, 2024 at 6:14 AM Björn Töpel <bjorn@xxxxxxxxxx> wrote:
>
> From: Björn Töpel <bjorn@xxxxxxxxxxxx>
>
> libbpf does not include the per-arch tools include path, e.g.
> tools/arch/riscv/include. Some architectures depend those files to
> build properly.
>
> Include tools/arch/$(SUBARCH)/include in the libbpf build.
>
> Fixes: 6d74d178fe6e ("tools: Add riscv barrier implementation")
> Signed-off-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
> ---
>  tools/lib/bpf/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
> index 1b22f0f37288..857a5f7b413d 100644
> --- a/tools/lib/bpf/Makefile
> +++ b/tools/lib/bpf/Makefile
> @@ -61,7 +61,8 @@ ifndef VERBOSE
>  endif
>
>  INCLUDES = -I$(or $(OUTPUT),.) \
> -          -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi
> +          -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi \
> +          -I$(srctree)/tools/arch/$(SRCARCH)/include
>
>  export prefix libdir src obj
>

Do you know what exactly is used from tools/arch/$(SRCARCH)/include
for (I assume) RISC-V? I'm asking because we'd need to make sure that
Github version of libbpf Makefile and include directory has all the
necessary pieces as well (so I'd appreciate if you could take a look
at that as well, if you haven't already).

>
> base-commit: db5ca265e3334b48c4e3fa07eef79e8bc578c430
> --
> 2.43.0
>





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