On 23 Dec 2019, at 18:57, Andrii Nakryiko wrote:
> On Mon, Dec 23, 2019 at 4:54 AM Eelco Chaudron <echaudro@xxxxxxxxxx> wrote:
<SNIP<
>>
>> Thanks for the review, updated my kernel to the latest bfp-next, but now
>> I get the following build issue for the test suite:
>>
>> GEN-SKEL [test_progs] loop3.skel.h
>> GEN-SKEL [test_progs] test_skeleton.skel.h
>> libbpf: failed to find BTF for extern 'CONFIG_BPF_SYSCALL': -2
>
> This looks like you have Clang without BTF types for extern. Can you
> try pull the very latest Clang/LLVM and try again? The latest commit
> you should have is e3d8ee35e4ad ("reland "[DebugInfo] Support to emit
> debugInfo for extern variables"").
>
Thanks, rebuilding the latest master LLVM fixed the problem!
//Eelco
