Re: [PATCH net-next] selftests: net: Add cross-compilation support for BPF programs

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On Mon, 21 Nov 2022 at 17:48, Björn Töpel <bjorn@xxxxxxxxxx> wrote:
>
> Anders Roxell <anders.roxell@xxxxxxxxxx> writes:
>
> > On Sat, 19 Nov 2022 at 18:19, Björn Töpel <bjorn@xxxxxxxxxx> wrote:
> [...]
> >> Now that BPF builds are starting to show up in more places
> >> (selftests/net, and soon selftests/hid), maybe it would be cleaner to
> >> move parts of the BPF builds to lib.mk?
> >
> > Yes, since its in tc-testing too.
> > Maybe thats what we should do already now?
>
> Ok, so there's three BPF builds, in addition to selftests/bpf. Do you
> suggest moving (cross-compiled) libbpf builds (for bpf_helpers_defs.h
> generation) and some kind of clang BPF build-rule to lib.mk?

Maybe start with moving the libbpf builds, for build_helpers_defs.h generation,
and 'define get_sys_includes' into the lib.mk ?

> Or would
> you like more things there, like resolve_btfids?
>
> I guess this patch could go in regardless, and fix the build *now*, and
> do a lib.mk thing as a follow-up?

Make sense.

Reviewed-by: Anders Roxell <anders.roxell@xxxxxxxxxx>

Cheers,
Anders




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