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    Subject[PATCH 01/11] Makefile: kselftest and kselftest-clean fail for make O=dir case
    Date
    kselftest and kselftest-clean targets fail when object directory is
    specified to relocate objects. Fix it so it can find the source tree
    to build from.

    make O=/tmp/kselftest_top kselftest

    make[1]: Entering directory '/tmp/kselftest_top'
    make[2]: Entering directory '/tmp/kselftest_top'
    make[2]: *** tools/testing/selftests: No such file or directory. Stop.
    make[2]: Leaving directory '/tmp/kselftest_top'
    ./linux-kselftest/Makefile:1185: recipe for target
    'kselftest' failed
    make[1]: *** [kselftest] Error 2
    make[1]: Leaving directory '/tmp/kselftest_top'
    Makefile:145: recipe for target 'sub-make' failed
    make: *** [sub-make] Error 2

    Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
    ---
    Makefile | 13 +++++++++----
    1 file changed, 9 insertions(+), 4 deletions(-)

    diff --git a/Makefile b/Makefile
    index eccb8d704c23..6a85322d0b3e 100644
    --- a/Makefile
    +++ b/Makefile
    @@ -1180,13 +1180,18 @@ headers_check: headers_install
    # ---------------------------------------------------------------------------
    # Kernel selftest

    +PHONY += __kselftest
    + kselftest_src := tools/testing/selftests
    + ifneq ($(KBUILD_SRC),)
    + kselftest_src := $(KBUILD_SRC)/tools/testing/selftests
    + endif
    PHONY += kselftest
    -kselftest:
    - $(Q)$(MAKE) -C tools/testing/selftests run_tests
    +kselftest: __kselftest
    + $(Q)$(MAKE) -C $(kselftest_src) run_tests

    PHONY += kselftest-clean
    -kselftest-clean:
    - $(Q)$(MAKE) -C tools/testing/selftests clean
    +kselftest-clean: __kselftest
    + $(Q)$(MAKE) -C $(kselftest_src) clean

    PHONY += kselftest-merge
    kselftest-merge:
    --
    2.11.0
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