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Unverified Commit d57b5647 authored by Chenglu Lin's avatar Chenglu Lin Committed by Alexander Winkowski
Browse files

kernel: Add CC_WERROR config to turn warnings into errors 



Add configuration option CONFIG_CC_WERROR to prevent warnings
from creeping in.

Bug: 141372918
Change-Id: Ie2d067c0177d8f13e9aaa9a78867998e390f89ee
Signed-off-by: default avatarChenglu Lin <chenglulin@google.com>
parent c69129da

Makefile

+4 −0
Original line number Diff line number Diff line
@@ -764,6 +764,10 @@ else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 
KBUILD_CFLAGS += -Os

endif



ifdef CONFIG_CC_WERROR

KBUILD_CFLAGS  += -Werror

endif



# Tell gcc to never replace conditional load with a non-conditional one

KBUILD_CFLAGS	+= $(call cc-option,--param=allow-store-data-races=0)

KBUILD_CFLAGS	+= $(call cc-option,-fno-allow-store-data-races)

lib/Kconfig.debug

+10 −0
Original line number Diff line number Diff line
@@ -2172,6 +2172,16 @@ config PANIC_ON_DATA_CORRUPTION 
	 If we do not panic immediately after corruptions have been detected,

	 the problem context is lost in the ensuing system mayhem.



config CC_WERROR

	bool "Treat all compile warnings as errors"

	default n

	help

	 Select this option to set compiler warnings as errors,

	 to prevent easily-fixable problems from creeping into

	 the codebase.



	 If unsure, say N.



source "samples/Kconfig"



source "lib/Kconfig.kgdb"