On Tue, Jul 28, 2020 at 5:15 AM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote: > > Building BPF samples out of srctree fails, because the output directory > for progs shared with selftests (CGROUP_HELPERS, TRACE_HELPERS) is > missing and the compiler cannot create output files. > > Fix by creating the output directory in Makefile. What is the make command line we use here? I am trying: make M=samples/bpf O=./xxx w/o this patch, make created ./xxx/samples/bpf. Did I miss something? Thanks, Song