On Wed, Oct 28, 2020 at 09:00:41PM -0600, David Ahern wrote:
> >>> You need to update libbpf to latest version.
> >>
> >> nope. you need to be able to handle this. Ubuntu 20.10 was just
> >> released, and it has a version of libbpf. If you are going to integrate
> >> libbpf into other packages like iproute2, it needs to just work with
> >> that version.
> >
> > OK, I can replace bpf_program__section_name by bpf_program__title().
>
> I believe this one can be handled through a compatability check. Looks
Do you mean add a check like
#ifdef has_section_name_support
use bpf_program__section_name;
#else
use bpf_program__title;
#endif
> the rename / deprecation is fairly recent (78cdb58bdf15f from Sept 2020).
Yeah... As Andrii said, libbpf is in fast moving..
> >>
> >>>
> >>> But this also remind me that I need to add bpf_program__section_name() to
> >>> configure checking. I will see if I missed other functions' checking.
> >>
> >> This is going to be an on-going problem. iproute2 should work with
> >> whatever version of libbpf is installed on that system.
> >
> > I will make it works on Ubuntu 20.10, but with whatever version of libbpf?
> > That looks hard, especially with old libbpf.
> >
>
> I meant what comes with the OS. I believe I read that Fedora 33 was just
> released as well. Does it have a version of libbpf? If so, please verify
> it compiles and works with that version too. Before committing I will
> also verify it compiles and links against a local version of libbpf (top
> of tree) just to get a range of versions.
>
Yes, it makes sense. I will also check the libbpf on Fedora 33.
Thanks
Hangbin
