On Fri, Jan 06, 2023 at 04:08:42PM -0600, Tyler Hicks wrote:
> From: "Tyler Hicks" <code@xxxxxxxxxxx>
>
> When attempting to build kselftests with a separate output directory, a
> number of the tests fail to build.
>
> For example,
>
> $ rm -rf build && \
> make INSTALL_HDR_PATH=build/usr headers_install > /dev/null && \
> make O=build FORCE_TARGETS=1 TARGETS=breakpoints -C tools/testing/selftests > /dev/null
> /usr/bin/ld: cannot open output file
> build/kselftest/breakpoints/step_after_suspend_test: No such file or directory
> collect2: error: ld returned 1 exit status
> make[1]: *** [../lib.mk:146: build/kselftest/breakpoints/step_after_suspend_test] Error 1
> make: *** [Makefile:163: all] Error 2
>
> This has already been addressed upstream with v5.18 commit 5ad51ab618de
> ("selftests: set the BUILD variable to absolute path"). It does not
> cleanly cherry pick to the linux-5.4.y branch without v5.7 commit
> 29e911ef7b70 ("selftests: Fix kselftest O=objdir build from cluttering
> top level objdir"). Commit 5ad51ab618de was written in a way that
> assumes that the kselftests aren't build in the top level objdir so it
> makes sense to bring the pre-req commit back but it does represent a
> slight change in behavior since the kselftests will now be built in a
> subdir of the specified objdir (O=).
>
> Tyler
>
> Muhammad Usama Anjum (1):
> selftests: set the BUILD variable to absolute path
>
> Shuah Khan (1):
> selftests: Fix kselftest O=objdir build from cluttering top level
> objdir
>
> tools/testing/selftests/Makefile | 28 ++++++++++++++++++----------
> 1 file changed, 18 insertions(+), 10 deletions(-)
>
> --
> 2.34.1
>
Now queued up, thanks.
greg k-h
