On Thu, 3 Oct 2019 at 01:14, Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx> wrote: > > On Wed, Oct 02, 2019 at 09:41:15AM +0200, Björn Töpel wrote: > >On Wed, 2 Oct 2019 at 03:49, Masahiro Yamada > ><yamada.masahiro@xxxxxxxxxxxxx> wrote: > >> > >[...] > >> > Yes, the BPF samples require clang/LLVM with BPF support to build. Any > >> > suggestion on a good way to address this (missing tools), better than > >> > the warning above? After the commit 394053f4a4b3 ("kbuild: make single > >> > targets work more correctly"), it's no longer possible to build > >> > samples/bpf without support in the samples/Makefile. > >> > >> > >> You can with > >> > >> "make M=samples/bpf" > >> > > > >Oh, I didn't know that. Does M= support "output" builds (O=)? > > > >I usually just build samples/bpf/ with: > > > > $ make V=1 O=/home/foo/build/bleh samples/bpf/ > > > > > >Björn > > Shouldn't README be updated? > Hmm, the M= variant doesn't work at all for me. The build is still broken for me. Maybe I'm missing anything obvious... > -- > Regards, > Ivan Khoronzhuk