Re: [PATCH 3/4] samples/bpf: Simplify building BPF samples

[Alexei Starovoitov]

On 3/31/16 11:51 AM, Naveen N. Rao wrote:
> On 2016/03/31 10:49AM, Alexei Starovoitov wrote:
> > On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> > > Make BPF samples build depend on CONFIG_SAMPLE_BPF. We still don't add a
> > > Kconfig option since that will add a dependency on llvm for allyesconfig
> > > builds which may not be desirable.
> > >
> > > Those who need to build the BPF samples can now just do:
> > >
> > > make CONFIG_SAMPLE_BPF=y
> > >
> > > or:
> > >
> > > export CONFIG_SAMPLE_BPF=y
> > > make
> >
> > I don't like this 'simplification'.
> > make samples/bpf/
> > is much easier to type than capital letters.
>
> This started out as a patch to have the BPF samples built with a Kconfig
> option. As stated in the commit description, I realised that it won't
> work for allyesconfig builds. However, the reason I retained this patch
> is since it gets us one step closer to building the samples as part of
> the kernel build.
>
> The 'simplification' is since I can now have the export in my .bashrc
> and the kernel build will now build the BPF samples too without
> requiring an additional 'make samples/bpf/' step.
>
> I agree this is subjective, so I am ok if this isn't taken in.

If you can change it that 'make samples/bpf/' still works then it would
be fine. As it is it breaks our testing setup.