Re: [PATCH bpf-next 1/2] bpf: Remove bpf_jit_enable=2 debugging mode

[Christophe Leroy]

Le 23/04/2021 à 12:59, Quentin Monnet a écrit :
> 2021-04-23 12:46 UTC+0200 ~ Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> > Le 23/04/2021 à 12:26, Quentin Monnet a écrit :
> > > 2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
> > > <christophe.leroy@xxxxxxxxxx>
> > >
> > > [...]
> > >
> > > > I finally managed to cross compile bpftool with libbpf, libopcodes,
> > > > readline, ncurses, libcap, libz and all needed stuff. Was not easy but I
> > > > made it.
> > >
> > > Libcap is optional and bpftool does not use readline or ncurses. May I
> > > ask how you tried to build it?
> >
> > cd tools/bpf/
> >
> > make ARCH=powerpc CROSS_COMPILE=ppc-linux-
>
> Ok, you could try running directly from tools/bpf/bpftool/ next time
> instead.
>
> Readline at least is for a different tool under tools/bpf/, bpf_dbg (But
> I'm still not sure where that ncurses requirement was pulled from). The
> requirements for specific kernel options probably came from yet another
> tool (runqslower, I think).

ncurses (or termcap) is required by readline

Christophe