On Wed, 2024-09-04 at 11:49 -0700, Andrii Nakryiko wrote: > On Wed, Sep 4, 2024 at 7:17 AM Pu Lehui <pulehui@xxxxxxxxxxxxxxx> wrote: > > > > From: Pu Lehui <pulehui@xxxxxxxxxx> > > > > 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@xxxxxxxxx>