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* [PATCH V2 00/10] selftests: Fix separate output directory builds
@ 2022-01-19 10:15 Muhammad Usama Anjum
  2022-01-19 10:15 ` [PATCH V2 01/10] selftests: set the BUILD variable to absolute path Muhammad Usama Anjum
                   ` (9 more replies)
  0 siblings, 10 replies; 15+ messages in thread
From: Muhammad Usama Anjum @ 2022-01-19 10:15 UTC (permalink / raw)
  To: Shuah Khan, Thomas Gleixner, Ingo Molnar, Peter Zijlstra,
	Darren Hart, Davidlohr Bueso, André Almeida, Paolo Bonzini,
	Mickaël Salaün, David S. Miller, Jakub Kicinski,
	Mat Martineau, Matthieu Baerts, Andrew Morton, chiminghao,
	open list:KERNEL SELFTEST FRAMEWORK, open list,
	open list:KERNEL VIRTUAL MACHINE (KVM),
	open list:LANDLOCK SECURITY MODULE,
	open list:NETWORKING [GENERAL], open list:NETWORKING [MPTCP],
	open list:MEMORY MANAGEMENT
  Cc: Muhammad Usama Anjum, kernel

Build of several selftests fail if separate output directory is
specified by the following methods:
1) make -C tools/testing/selftests O=<build_dir>
2) export KBUILD_OUTPUT="build_dir"; make -C tools/testing/selftests

Build fails because of several reasons:
1) The kernel headers aren't found.
2) The path of output objects is wrong and hence unaccessible.

These problems can be solved by:
1) Including the correct path of uapi header files
2) By setting the BUILD variable correctly inside Makefile

Following different build scenarios have been tested after making these
changes to verify that nothing gets broken with these changes:
make -C tools/testing/selftests
make -C tools/testing/selftests/futex
make -C tools/testing/selftests/kvm
make -C tools/testing/selftests/landlock
make -C tools/testing/selftests/net
make -C tools/testing/selftests/net/mptcp
make -C tools/testing/selftests/vm
make -C tools/testing/selftests O=build
make -C tools/testing/selftests o=/opt/build
export KBUILD_OUTPUT="/opt/build"; make -C tools/testing/selftests
export KBUILD_OUTPUT="build"; make -C tools/testing/selftests
cd <any_dir>; make -C <src_path>/tools/testing/selftests
cd <any_dir>; make -C <src_path>/tools/testing/selftests O=build

---
Changes in V2:
        Revert the excessive cleanup which was breaking the individual
test build.

Muhammad Usama Anjum (10):
  selftests: set the BUILD variable to absolute path
  selftests: Add and export a kernel uapi headers path
  selftests: Correct the headers install path
  selftests: futex: Add the uapi headers include variable
  selftests: kvm: Add the uapi headers include variable
  selftests: landlock: Add the uapi headers include variable
  selftests: net: Add the uapi headers include variable
  selftests: mptcp: Add the uapi headers include variable
  selftests: vm: Add the uapi headers include variable
  selftests: vm: remove dependecy from internal kernel macros

 tools/testing/selftests/Makefile              | 32 +++++++++++++------
 .../selftests/futex/functional/Makefile       |  5 ++-
 tools/testing/selftests/kvm/Makefile          |  2 +-
 tools/testing/selftests/landlock/Makefile     |  2 +-
 tools/testing/selftests/net/Makefile          |  2 +-
 tools/testing/selftests/net/mptcp/Makefile    |  2 +-
 tools/testing/selftests/vm/Makefile           |  2 +-
 tools/testing/selftests/vm/userfaultfd.c      |  3 ++
 8 files changed, 32 insertions(+), 18 deletions(-)

-- 
2.30.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
end of thread, other threads:[~2022-01-20 18:20 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-19 10:15 [PATCH V2 00/10] selftests: Fix separate output directory builds Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 01/10] selftests: set the BUILD variable to absolute path Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 02/10] selftests: Add and export a kernel uapi headers path Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 03/10] selftests: Correct the headers install path Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 04/10] selftests: futex: Add the uapi headers include variable Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 05/10] selftests: kvm: " Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 06/10] selftests: landlock: " Muhammad Usama Anjum
2022-01-20 18:20   ` Mickaël Salaün
2022-01-19 10:15 ` [PATCH V2 07/10] selftests: net: " Muhammad Usama Anjum
2022-01-19 10:15 ` [PATCH V2 08/10] selftests: mptcp: " Muhammad Usama Anjum
2022-01-19 22:35   ` Matthieu Baerts
2022-01-19 10:15 ` [PATCH V2 09/10] selftests: vm: " Muhammad Usama Anjum
2022-01-20  1:18   ` Alistair Popple
2022-01-19 10:15 ` [PATCH V2 10/10] selftests: vm: remove dependecy from internal kernel macros Muhammad Usama Anjum
2022-01-20  1:20   ` Alistair Popple

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