[PATCH bpf-next v2 01/10] selftests/bpf: Adapt OUTPUT appending logic to lower versions of Make

[Eduard Zingerman]

On Wed, 2024-09-04 at 11:49 -0700, Andrii Nakryiko wrote:
> On Wed, Sep 4, 2024 at 7:17 AM Pu Lehui <pulehui at huaweicloud.com> wrote:
> > 
> > From: Pu Lehui <pulehui at huawei.com>
> > 
> > The $(let ...) function is only supported by GNU Make version 4.4 [0]
> 
> Eduard, seems like the mystery is finally solved.

That this thing was silently ignored is most perplexing.

> We were actually considering removing the FEATURE-DUMP functionality
> from BPF selftests, but it's good to have a fix nevertheless, thanks!

Pu, thank you for figuring this out...

Acked-by: Eduard Zingerman <eddyz87 at gmail.com>