Unverified Commit e7a10929 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Nathan Chancellor
Browse files

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: default avatarThomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: default avatarNicolas Schier <nsc@kernel.org>
Link: https://lore.kernel.org/r/20250814-kbuild-werror-v2-2-c01e596309d2@linutronix.de


Signed-off-by: default avatarNathan Chancellor <nathan@kernel.org>
parent f852ce05

scripts/Makefile.extrawarn

+2 −4
Original line number Diff line number Diff line
@@ -25,8 +25,6 @@ ifneq ($(CONFIG_FRAME_WARN),0) 
KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN)

endif



KBUILD_CPPFLAGS-$(CONFIG_WERROR) += -Werror

KBUILD_CPPFLAGS += $(KBUILD_CPPFLAGS-y)

KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds



ifdef CONFIG_CC_IS_CLANG
@@ -214,9 +212,9 @@ KBUILD_CFLAGS += -Wno-unused-parameter 
endif



#

# W=e - error out on warnings

# W=e and CONFIG_WERROR - error out on warnings

#

ifneq ($(findstring e, $(KBUILD_EXTRA_WARN)),)

ifneq ($(findstring e, $(KBUILD_EXTRA_WARN))$(CONFIG_WERROR),)



KBUILD_CPPFLAGS		+= -Werror