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Revert "ANDROID: Revert "Enable '-Werror' by default for all kernel builds""

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This reverts commit 828bab93de.

We should enable this again as all arches are now building successfully.

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I06034aa2487f039cd10fd3576c2d2416e599c1ac
This commit is contained in:
Greg Kroah-Hartman 2021-12-08 13:45:05 +01:00
parent dcceef08bf
commit 3f66c2a071
2 changed files with 15 additions and 0 deletions
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1
Makefile
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@ -808,6 +808,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong
KBUILD_CFLAGS += $(stackp-flags-y)
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH:"%"=%)
ifdef CONFIG_CC_IS_CLANG

14
init/Kconfig
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@ -137,6 +137,20 @@ config COMPILE_TEST
here. If you are a user/distributor, say N here to exclude useless
drivers to be distributed.
config WERROR
bool "Compile the kernel with warnings as errors"
default y
help
A kernel build should not cause any compiler warnings, and this
enables the '-Werror' flag to enforce that rule by default.
However, if you have a new (or very old) compiler with odd and
unusual warnings, or you have some architecture with problems,
you may need to disable this config option in order to
successfully build the kernel.
If in doubt, say Y.
config UAPI_HEADER_TEST
bool "Compile test UAPI headers"
depends on HEADERS_INSTALL && CC_CAN_LINK