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Commit 89792600 authored by Chenglu Lin's avatar Chenglu Lin Committed by dianlujitao
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 ede19bd3

Makefile

+4 −0
Original line number Diff line number Diff line
@@ -702,6 +702,10 @@ else 
KBUILD_CFLAGS   += -O2

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
@@ -2118,6 +2118,16 @@ config PANIC_ON_DATA_CORRUPTION 
	 recoverable data corruption scenarios to system-halting panics,

	 for easier detection and debug.



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"