From: Tobias Klauser <tklauser@distanz.ch>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
Alexei Starovoitov <ast@kernel.org>,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next v2] bpftool: fix profiler build on systems without /usr/include/asm symlink
Date: Thu, 12 Mar 2020 11:30:19 +0100 [thread overview]
Message-ID: <20200312103018.z6spkkn7oijijt7h@distanz.ch> (raw)
In-Reply-To: <20200311172650.r3gfkqbyftc32iax@ast-mbp.dhcp.thefacebook.com>
On 2020-03-11 at 18:26:50 +0100, Alexei Starovoitov <alexei.starovoitov@gmail.com> wrote:
> On Wed, Mar 11, 2020 at 05:14:59PM +0100, Tobias Klauser wrote:
> > When compiling bpftool on a system where the /usr/include/asm symlink
> > doesn't exist (e.g. on an Ubuntu system without gcc-multilib installed),
> > the build fails with:
> >
> > CLANG skeleton/profiler.bpf.o
> > In file included from skeleton/profiler.bpf.c:4:
> > In file included from /usr/include/linux/bpf.h:11:
> > /usr/include/linux/types.h:5:10: fatal error: 'asm/types.h' file not found
> > #include <asm/types.h>
> > ^~~~~~~~~~~~~
> > 1 error generated.
>
> I think the issue is different.
> profiler.bpf.c should have picked up
> tools/include/uapi/linux/bpf.h (instead of global from /usr/inclde)
> which should have included
> tools/include/linux/types.h (instead of /usr/include/linux/types.h)
>
> we also have a workaround for some cases:
> ./tools/testing/selftests/bpf/include/uapi/linux/types.h
Sorry, my earlier reply was wrong. Adding
tools/testing/selftests/bpf/include/uapi/ to the search path (and
tools/include/uapi/ in addition) makes this work. Will send a v3.
prev parent reply other threads:[~2020-03-12 10:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 12:34 [PATCH] bpftool: fix iprofiler build on systems without /usr/include/asm symlink Tobias Klauser
2020-03-11 12:49 ` Toke Høiland-Jørgensen
2020-03-11 12:53 ` Tobias Klauser
2020-03-11 14:24 ` Toke Høiland-Jørgensen
2020-03-11 15:00 ` Tobias Klauser
2020-03-11 15:55 ` Song Liu
2020-03-11 16:06 ` Tobias Klauser
2020-03-11 16:14 ` [PATCH bpf-next v2] bpftool: fix profiler " Tobias Klauser
2020-03-11 17:26 ` Alexei Starovoitov
2020-03-11 19:42 ` Tobias Klauser
2020-03-12 10:30 ` Tobias Klauser [this message]
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