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Date:   Wed, 15 Jan 2020 09:44:22 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        John Fastabend <john.fastabend@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        linux-rdma@...r.kernel.org,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH bpf-next v2 05/10] bpftool: Use consistent include paths
 for libbpf

On Wed, Jan 15, 2020 at 6:14 AM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>
> From: Toke Høiland-Jørgensen <toke@...hat.com>
>
> Fix bpftool to include libbpf header files with the bpf/ prefix, to be
> consistent with external users of the library. Also ensure that all
> includes of exported libbpf header files (those that are exported on 'make
> install' of the library) use bracketed includes instead of quoted.
>
> To make sure no new files are introduced that doesn't include the bpf/
> prefix in its include, remove tools/lib/bpf from the include path entirely,
> and use tools/lib instead.
>
> Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir")
> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>
> ---
>  tools/bpf/bpftool/Documentation/bpftool-gen.rst |    2 +-
>  tools/bpf/bpftool/Makefile                      |    2 +-
>  tools/bpf/bpftool/btf.c                         |    8 ++++----
>  tools/bpf/bpftool/btf_dumper.c                  |    2 +-
>  tools/bpf/bpftool/cgroup.c                      |    2 +-
>  tools/bpf/bpftool/common.c                      |    4 ++--
>  tools/bpf/bpftool/feature.c                     |    4 ++--
>  tools/bpf/bpftool/gen.c                         |   10 +++++-----
>  tools/bpf/bpftool/jit_disasm.c                  |    2 +-
>  tools/bpf/bpftool/main.c                        |    4 ++--
>  tools/bpf/bpftool/map.c                         |    4 ++--
>  tools/bpf/bpftool/map_perf_ring.c               |    4 ++--
>  tools/bpf/bpftool/net.c                         |    8 ++++----
>  tools/bpf/bpftool/netlink_dumper.c              |    4 ++--
>  tools/bpf/bpftool/perf.c                        |    2 +-
>  tools/bpf/bpftool/prog.c                        |    6 +++---
>  tools/bpf/bpftool/xlated_dumper.c               |    2 +-
>  17 files changed, 35 insertions(+), 35 deletions(-)
>

[...]

> diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
> index 7ce09a9a6999..b0695aa543d2 100644
> --- a/tools/bpf/bpftool/gen.c
> +++ b/tools/bpf/bpftool/gen.c
> @@ -12,15 +12,15 @@
>  #include <stdio.h>
>  #include <string.h>
>  #include <unistd.h>
> -#include <bpf.h>
> -#include <libbpf.h>
> +#include <bpf/bpf.h>
> +#include <bpf/libbpf.h>
>  #include <sys/types.h>
>  #include <sys/stat.h>
>  #include <sys/mman.h>
>  #include <unistd.h>
> +#include <bpf/btf.h>
>
> -#include "btf.h"
> -#include "libbpf_internal.h"
> +#include "bpf/libbpf_internal.h"
>  #include "json_writer.h"
>  #include "main.h"
>
> @@ -333,7 +333,7 @@ static int do_skeleton(int argc, char **argv)
>                 #define %2$s                                                \n\
>                                                                             \n\
>                 #include <stdlib.h>                                         \n\
> -               #include <libbpf.h>                                         \n\
> +               #include <bpf/libbpf.h>                             \n\

please fix \n\ alignment

>                                                                             \n\
>                 struct %1$s {                                               \n\
>                         struct bpf_object_skeleton *skeleton;               \n\

[...]

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