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Date:   Thu, 16 Jan 2020 14:43:42 -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 <kuba@...nel.org>,
        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 v3 11/11] libbpf: Fix include of bpf_helpers.h
 when libbpf is installed on system

On Thu, Jan 16, 2020 at 5:23 AM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>
> From: Toke Høiland-Jørgensen <toke@...hat.com>
>
> The change to use angled includes for bpf_helper_defs.h breaks compilation
> against libbpf when it is installed in the include path, since the file is
> installed in the bpf/ subdirectory of $INCLUDE_PATH. Since we've now fixed
> the selftest Makefile to not require this anymore, revert back to
> double-quoted include so bpf_helpers.h works regardless of include path.
>
> Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir")
> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/lib/bpf/bpf_helpers.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
> index 050bb7bf5be6..f69cc208778a 100644
> --- a/tools/lib/bpf/bpf_helpers.h
> +++ b/tools/lib/bpf/bpf_helpers.h
> @@ -2,7 +2,7 @@
>  #ifndef __BPF_HELPERS__
>  #define __BPF_HELPERS__
>
> -#include <bpf_helper_defs.h>
> +#include "bpf_helper_defs.h"
>
>  #define __uint(name, val) int (*name)[val]
>  #define __type(name, val) typeof(val) *name
>

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