netdev - Re: Linux 5.4 - bpf test build fails

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Message-ID: <34a9bd63-a251-0b4f-73b6-06b9bbf9d3fa@linuxfoundation.org>
Date:   Tue, 24 Sep 2019 10:03:41 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Cristian Marussi <cristian.marussi@....com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "skh >> Shuah Khan" <skhan@...uxfoundation.org>
Subject: Re: Linux 5.4 - bpf test build fails

On 9/24/19 9:52 AM, Cristian Marussi wrote:
> Hi Shuah
> 
> On 24/09/2019 16:26, Shuah Khan wrote:
>> Hi Alexei and Daniel,
>>
>> bpf test doesn't build on Linux 5.4 mainline. Do you know what's
>> happening here.
>>
>>
>> make -C tools/testing/selftests/bpf/
> 
> side question, since I'm writing arm64/ tests.
> 
> my "build-testcases" following the KSFT docs are:
> 
> make kselftest
> make TARGETS=arm64 kselftest
> make -C tools/testing/selftests/
> make -C tools/testing/selftests/ INSTALL_PATH=<install-path> install
> make TARGETS=arm64 -C tools/testing/selftests/
> make TARGETS=arm64 -C tools/testing/selftests/ INSTALL_PATH=<install-path> install
> ./kselftest_install.sh <install-path>
> 
> (and related clean targets...)
> 
> but definitely NOT
> 
> make -C tools/testing/selftests/arm64
> 
> (for simplicity....due to the subdirs structure under tools/testing/selftests/arm64/)
> 

Some people like to build their tests using:

make -C tools/testing/selftests/<testdir>

I have been continuing to support it for that reason.

Tests with subdirs can handle this case. Pleas see android and futex
tests.

thanks,
-- Shuah