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kbuild: remove cc-option test of -Werror=date-time 

The minimal compiler versions, GCC 4.9 and Clang 10 support this flag.

Here is the godbolt:
https://godbolt.org/z/xvjcMa

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Will Deacon <will@kernel.org>
zero-sugar-mainline-defconfig
Masahiro Yamada 2020-09-10 22:51:20 +09:00
parent 7d4eb0d8e2
commit 87de84c914
2 changed files with 2 additions and 2 deletions
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2
Makefile
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@ -946,7 +946,7 @@ KBUILD_CFLAGS += -fno-stack-check
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
# Prohibit date/time macros, which would make the build non-deterministic
KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
KBUILD_CFLAGS += -Werror=date-time
# enforce correct pointer usage
KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)

2
arch/arm64/kernel/vdso32/Makefile
View File

@ -92,7 +92,7 @@ VDSO_CFLAGS += $(call cc32-option,-Wdeclaration-after-statement,)
VDSO_CFLAGS += $(call cc32-option,-Wno-pointer-sign)
VDSO_CFLAGS += -fno-strict-overflow
VDSO_CFLAGS += $(call cc32-option,-Werror=strict-prototypes)
VDSO_CFLAGS += $(call cc32-option,-Werror=date-time)
VDSO_CFLAGS += -Werror=date-time
VDSO_CFLAGS += $(call cc32-option,-Werror=incompatible-pointer-types)
# The 32-bit compiler does not provide 128-bit integers, which are used in