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From:   Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com>
To:     Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        Andrii Nakryiko <andriin@fb.com>,
        Doug Ledford <dledford@redhat.com>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Jesper Dangaard Brouer <brouer@redhat.com>,
        John Fastabend <john.fastabend@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Shuah Khan <shuah@kernel.org>,
        Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        linux-rdma@vger.kernel.org,
        "open list\:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        clang-built-linux@googlegroups.com
Subject: Re: [PATCH bpf-next v4 04/10] tools/runqslower: Use consistent include paths for libbpf
In-Reply-To: <CAEf4BzbAV0TmEUL=62jz+RD6SPmu927z-dhGL9JHepcAOGMSJA@mail.gmail.com>
References: <157926819690.1555735.10756593211671752826.stgit@toke.dk> <157926820131.1555735.1177228853838027248.stgit@toke.dk> <CAEf4BzbAV0TmEUL=62jz+RD6SPmu927z-dhGL9JHepcAOGMSJA@mail.gmail.com>
Date:   Mon, 20 Jan 2020 13:56:59 +0100
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Andrii Nakryiko <andrii.nakryiko@gmail.com> writes:

> On Fri, Jan 17, 2020 at 5:37 AM Toke H=C3=B8iland-J=C3=B8rgensen <toke@re=
dhat.com> wrote:
>>
>> From: Toke H=C3=B8iland-J=C3=B8rgensen <toke@redhat.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 export=
ed
>> on 'make install' of the library) use bracketed includes instead of quot=
ed.
>>
>> To not break the build, keep the old include path until everything has b=
een
>> 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")
>> Acked-by: Andrii Nakryiko <andriin@fb.com>
>> Signed-off-by: Toke H=C3=B8iland-J=C3=B8rgensen <toke@redhat.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/Makefi=
le
>> index b62fc9646c39..9f022f7f2593 100644
>> --- a/tools/bpf/runqslower/Makefile
>> +++ b/tools/bpf/runqslower/Makefile
>> @@ -5,6 +5,7 @@ LLC :=3D llc
>>  LLVM_STRIP :=3D llvm-strip
>>  DEFAULT_BPFTOOL :=3D $(OUTPUT)/sbin/bpftool
>>  BPFTOOL ?=3D $(DEFAULT_BPFTOOL)
>> +INCLUDES :=3D -I$(OUTPUT) -I$(abspath ../../lib) -I$(abspath ../../lib/=
bpf)
>>  LIBBPF_SRC :=3D $(abspath ../../lib/bpf)
>
> drop LIBBPF_SRC, it's not used anymore

It is: in the rule for building libbpf there's a '-C $(LIBBPF_SRC)'

-Toke