The quilt patch titled Subject: selftests: lib.mk: fix out-of-tree builds has been removed from the -mm tree. Its filename was selftests-error-out-if-kernel-header-files-are-not-yet-built-fix-2.patch This patch was dropped because it was folded into selftests-error-out-if-kernel-header-files-are-not-yet-built.patch ------------------------------------------------------ From: Anders Roxell <anders.roxell@xxxxxxxxxx> Subject: selftests: lib.mk: fix out-of-tree builds Date: Tue, 13 Jun 2023 09:49:31 +0200 Since commit ("selftests: error out if kernel header files are not yet built") got merged, the kselftest build correctly because the KBUILD_OUTPUT isn't set when building out-of-tree and specifying 'O=' This is the error message that pops up. make --silent --keep-going --jobs=32 O=/home/anders/.cache/tuxmake/builds/1482/build INSTALL_PATH=/home/anders/.cache/tuxmake/builds/1482/build/kselftest_install ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- V=1 CROSS_COMPILE_COMPAT=arm-linux-gnueabihf- kselftest-install make[3]: Entering directory '/home/anders/src/kernel/next/tools/testing/selftests/alsa' -e error: missing kernel header files. Please run this and try again: cd /home/anders/src/kernel/next/tools/testing/selftests/../../.. make headers make[3]: Leaving directory '/home/anders/src/kernel/next/tools/testing/selftests/alsa' make[3]: *** [../lib.mk:77: kernel_header_files] Error 1 Fixing the issue by assigning KBUILD_OUTPUT the same way how its done in kselftest's Makefile. By adding 'KBUILD_OUTPUT := $(O)' 'if $(origin O)' is set to 'command line'. This will set the the BUILD dir to KBUILD_OUTPUT/kselftest when doing out-of-tree builds which makes them in its own separete output directory. Link: https://lkml.kernel.org/r/20230613074931.666966-1-anders.roxell@xxxxxxxxxx Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx> Cc: John Hubbard <jhubbard@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/lib.mk | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/testing/selftests/lib.mk~selftests-error-out-if-kernel-header-files-are-not-yet-built-fix-2 +++ a/tools/testing/selftests/lib.mk @@ -44,6 +44,10 @@ endif selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) top_srcdir = $(selfdir)/../../.. +ifeq ("$(origin O)", "command line") + KBUILD_OUTPUT := $(O) +endif + ifneq ($(KBUILD_OUTPUT),) # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot # expand a shell special character '~'. We use a somewhat tedious way here. _ Patches currently in -mm which might be from anders.roxell@xxxxxxxxxx are selftests-error-out-if-kernel-header-files-are-not-yet-built.patch selftests-damon-add-config-file.patch