netdev - selftests/bpf: make *** tools/bpf/bpftool No such file or directory. Stop.

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Date:   Thu, 14 Nov 2019 11:26:21 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, Netdev <netdev@...r.kernel.org>
Cc:     Shuah Khan <shuah@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        lkft-triage@...ts.linaro.org, Daniel Diaz <daniel.diaz@...aro.org>,
        quentin.monnet@...ronome.com,
        Daniel Borkmann <daniel@...earbox.net>, lmb@...udflare.com,
        jakub.kicinski@...ronome.com
Subject: selftests/bpf: make *** tools/bpf/bpftool No such file or directory. Stop.

selftests bpf test_bpftool_build.sh failed on arm32 beagleboard x15
device with below error.
Can this be skipped with minimal verbose on console ?
In our setup, we build kselftests on server machine and copies onto
target device and run tests by using run_kselftest.sh script file.

# selftests bpf test_bpftool_build.sh
bpf: test_bpftool_build.sh_ #
# Trying to build bpftool
to: build_bpftool #
# ... through kbuild
through: kbuild_ #
#
: _ #
# skip    make tools/bpf (no .config found)
make: tools/bpf_(no #
#
: _ #
# skip    make tools/bpf OUTPUT=<dir> (not supported)
make: tools/bpf_OUTPUT=<dir> #
#
: _ #
# skip    make tools/bpf O=<dir> (no .config found)
make: tools/bpf_O=<dir> #
#
: _ #
# ... from kernel source tree
from: kernel_source #
#
: _ #
# $PWD    /
/: _ #
# command make -s -C tools/bpf/bpftool >/dev/null
make: -s_-C #
# make *** tools/bpf/bpftool No such file or directory.  Stop.
***: tools/bpf/bpftool_No #
# realpath tools/bpf/bpftool No such file or directory
tools/bpf/bpftool: No_such #
# binary  find unrecognized -executable
find: unrecognized_-executable #
# BusyBox v1.27.2 (2019-10-04 190344 UTC) multi-call binary.
v1.27.2: (2019-10-04_190344 #
#
: _ #
# Usage find [-HL] [PATH]... [OPTIONS] [ACTIONS]
find: [-HL]_[PATH]... #
# ./test_bpftool_build.sh line 59 cd tools/bpf/bpftool No such file or directory
line: 59_cd #
# make *** No rule to make target 'clean'.  Stop.
***: No_rule #
#
: _ #
# $PWD    /
/: _ #
# command make -s -C tools/bpf/bpftool OUTPUT=/tmp/tmp.FmobyZwd5L/ >/dev/null
make: -s_-C #
# make *** tools/bpf/bpftool No such file or directory.  Stop.
***: tools/bpf/bpftool_No #
# binary  find unrecognized -executable
find: unrecognized_-executable #
# BusyBox v1.27.2 (2019-10-04 190344 UTC) multi-call binary.
v1.27.2: (2019-10-04_190344 #
#
: _ #
# Usage find [-HL] [PATH]... [OPTIONS] [ACTIONS]
find: [-HL]_[PATH]... #
#
: _ #
# $PWD    /
/: _ #
# command make -s -C tools/bpf/bpftool O=/tmp/tmp.ZS53rCFfid/ >/dev/null
make: -s_-C #
# make *** tools/bpf/bpftool No such file or directory.  Stop.
***: tools/bpf/bpftool_No #
# binary  find unrecognized -executable
find: unrecognized_-executable #
# BusyBox v1.27.2 (2019-10-04 190344 UTC) multi-call binary.
v1.27.2: (2019-10-04_190344 #
#
: _ #
# Usage find [-HL] [PATH]... [OPTIONS] [ACTIONS]
find: [-HL]_[PATH]... #
#
: _ #
# ... from tools/
from: tools/_ #
#
: _ #
# ./test_bpftool_build.sh line 112 cd tools/ No such file or directory
line: 112_cd #
# $PWD    /
/: _ #
# command make -s bpf >/dev/null
make: -s_bpf #
# make *** No rule to make target 'bpf'.  Stop.
***: No_rule #
# binary  find unrecognized -executable
find: unrecognized_-executable #
# BusyBox v1.27.2 (2019-10-04 190344 UTC) multi-call binary.
v1.27.2: (2019-10-04_190344 #
#
: _ #
# Usage find [-HL] [PATH]... [OPTIONS] [ACTIONS]
find: [-HL]_[PATH]... #
# ./test_bpftool_build.sh line 59 cd bpf No such file or directory
line: 59_cd #
# make *** No rule to make target 'clean'.  Stop.
***: No_rule #

Test complete log link (new and old),
https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20191113/testrun/1008653/log
https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20190904/testrun/898453/log

- Naresh