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Message-ID: <90e2da42-6924-4246-f2f6-cfb2778cd804@csgroup.eu>
Date:   Fri, 23 Apr 2021 13:29:59 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Quentin Monnet <quentin@...valent.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Ian Rogers <irogers@...gle.com>, Song Liu <songliubraving@...com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Zi Shen Lim <zlim.lnx@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        Sandipan Das <sandipan@...ux.ibm.com>,
        "H. Peter Anvin" <hpa@...or.com>, sparclinux@...r.kernel.org,
        Shubham Bansal <illusionist.neo@...il.com>,
        Mahesh Bandewar <maheshb@...gle.com>,
        Will Deacon <will@...nel.org>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Ilya Leoshkevich <iii@...ux.ibm.com>, paulburton@...nel.org,
        Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        X86 ML <x86@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Russell King <linux@...linux.org.uk>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Ingo Molnar <mingo@...hat.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        "Naveen N . Rao" <naveen.n.rao@...ux.ibm.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Tobias Klauser <tklauser@...tanz.ch>,
        linux-mips@...r.kernel.org, grantseltzer@...il.com,
        Xi Wang <xi.wang@...il.com>, Albert Ou <aou@...s.berkeley.edu>,
        Kees Cook <keescook@...omium.org>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Luke Nelson <luke.r.nels@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Heiko Carstens <hca@...ux.ibm.com>,
        ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        KP Singh <kpsingh@...nel.org>, iecedge@...il.com,
        Simon Horman <horms@...ge.net.au>,
        Borislav Petkov <bp@...en8.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Yonghong Song <yhs@...com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dmitry Vyukov <dvyukov@...gle.com>, tsbogend@...ha.franken.de,
        Daniel Borkmann <daniel@...earbox.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Network Development <netdev@...r.kernel.org>,
        David Ahern <dsahern@...nel.org>,
        Wang YanQing <udknight@...il.com>,
        Martin KaFai Lau <kafai@...com>,
        Björn Töpel <bjorn@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>, bpf <bpf@...r.kernel.org>,
        Jianlin Lv <Jianlin.Lv@....com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH bpf-next 1/2] bpf: Remove bpf_jit_enable=2 debugging mode



Le 23/04/2021 à 12:59, Quentin Monnet a écrit :
> 2021-04-23 12:46 UTC+0200 ~ Christophe Leroy <christophe.leroy@...roup.eu>
>>
>>
>> Le 23/04/2021 à 12:26, Quentin Monnet a écrit :
>>> 2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
>>> <christophe.leroy@...roup.eu>
>>>
>>> [...]
>>>
>>>> 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

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