Hi all, On Fri, 12 Mar 2021 12:00:14 +1100 Stephen Rothwell wrote: > > [Cc'ing a few (maybe) interested parties] > > On Thu, 11 Mar 2021 07:47:03 +0100 Björn Töpel wrote: > > > > On 2021-03-11 01:47, Stephen Rothwell wrote: > > > > > > After merging the bpf-next tree, today's linux-next build (perf) failed > > > like this: > > > > > > make[3]: *** No rule to make target 'libbpf_util.h', needed by '/home/sfr/next/perf/staticobjs/xsk.o'. Stop. > > > > It's an incremental build issue, as pointed out here [1], that is > > resolved by cleaning the build. > > Does this mean there is a deficiency in the dependencies in our build system? > > > [1] https://lore.kernel.org/bpf/CAEf4BzYPDF87At4=_gsndxof84OiqyJxgAHL7_jvpuntovUQ8w@mail.gmail.com/ > > > > > Caused by commit > > > > > > 7e8bbe24cb8b ("libbpf: xsk: Move barriers from libbpf_util.h to xsk.h") > > > > > > I have used the bpf tree from next-20210310 for today. > > I have set my system to remove the object directory before building > after merging the bpf-next tree for now. I now get this build failure after I merge the net-next tree :-( -- Cheers, Stephen Rothwell