kbuild: Add objtool to top-level clean target

Objtool is an integral part of the build, make sure it gets cleaned by
"make clean" and "make mrproper".

Fixes: 442f04c34a ("objtool: Add tool to perform compile-time stack metadata validation")
Reported-by: Jens Remus <jremus@linux.ibm.com>
Closes: https://lore.kernel.org/15f2af3b-be33-46fc-b972-6b8e7e0aa52e@linux.ibm.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Tested-by: Jens Remus <jremus@linux.ibm.com>
Link: https://patch.msgid.link/968faf2ed30fa8b3519f79f01a1ecfe7929553e5.1770759919.git.jpoimboe@kernel.org
[nathan: use Closes: instead of Link: per checkpatch.pl]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
This commit is contained in:
Josh Poimboeuf 2026-02-10 13:45:22 -08:00 committed by Nathan Chancellor
commit 68b4fe32d7
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2 changed files with 12 additions and 1 deletions

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@ -29,6 +29,8 @@ srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
RM ?= rm -f
LIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/
ifneq ($(OUTPUT),)
LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd