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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
kbuild: unify W=e and CONFIG_WERROR
The two mechanisms have the same effect, unify their implementation.
Also avoid spurious rebuilds when switching between the two.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://lore.kernel.org/r/20250814-kbuild-werror-v2-2-c01e596309d2@linutronix.de
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
authored by
Thomas Weißschuh
and committed by
Nathan Chancellor
e7a10929
f852ce05
+2
-4
+2
-4
scripts/Makefile.extrawarn
+2
-4
scripts/Makefile.extrawarn
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KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN)
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endif
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-
KBUILD_CPPFLAGS-$(CONFIG_WERROR) += -Werror
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-
KBUILD_CPPFLAGS += $(KBUILD_CPPFLAGS-y)
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KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds
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ifdef CONFIG_CC_IS_CLANG
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endif
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#
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# W=e - error out on warnings
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+
# W=e and CONFIG_WERROR - error out on warnings
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#
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ifneq ($(findstring e, $(KBUILD_EXTRA_WARN)),)
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ifneq ($(findstring e, $(KBUILD_EXTRA_WARN))$(CONFIG_WERROR),)
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KBUILD_CPPFLAGS += -Werror
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