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Date:   Fri, 17 Jan 2020 10:46:58 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Andrii Nakryiko <andrii.nakryiko@...il.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 04/11] tools/runqslower: Use consistent include paths for libbpf

Andrii Nakryiko <andrii.nakryiko@...il.com> writes:

> On Thu, Jan 16, 2020 at 5:23 AM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>>
>> From: Toke Høiland-Jørgensen <toke@...hat.com>
>>
>> Fix the runqslower tool 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 not break the build, keep the old include path until everything has been
>> changed to the new one; a subsequent patch will remove that.
>>
>> 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/runqslower/Makefile         |    5 +++--
>>  tools/bpf/runqslower/runqslower.bpf.c |    2 +-
>>  tools/bpf/runqslower/runqslower.c     |    4 ++--
>>  3 files changed, 6 insertions(+), 5 deletions(-)
>>
>> diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
>> index 89fb7cd30f1a..c0512b830805 100644
>> --- a/tools/bpf/runqslower/Makefile
>> +++ b/tools/bpf/runqslower/Makefile
>> @@ -5,6 +5,7 @@ LLC := llc
>>  LLVM_STRIP := llvm-strip
>>  DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool
>>  BPFTOOL ?= $(DEFAULT_BPFTOOL)
>> +LIBBPF_INCLUDE := -I$(abspath ../../lib) -I$(abspath ../../lib/bpf)
>
> I'd probably put all the -I's into single INCLUDES var and include
> that one instead of mixing -I$(OUTPUT) and $(LIBBPF_INCLUDE), but this
> works too.

Hmm, yeah, not a bad idea, actually. Since it seems I'm respinning
anyway, I'll fix that up as well.

-Toke

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