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authorMasahiro Yamada <masahiroy@kernel.org>2020-09-10 15:51:20 +0200
committerMasahiro Yamada <masahiroy@kernel.org>2020-09-24 17:36:50 +0200
commit87de84c9140e1ccb221c68bb7e4939e880b3f2bb (patch)
treefc27841aa1f9b755452bafa5818cc25f9704dc7e
parentkbuild: remove cc-option test of -fno-stack-check (diff)
downloadlinux-87de84c9140e1ccb221c68bb7e4939e880b3f2bb.tar.xz
linux-87de84c9140e1ccb221c68bb7e4939e880b3f2bb.zip
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>
-rw-r--r--Makefile2
-rw-r--r--arch/arm64/kernel/vdso32/Makefile2
2 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 3722b42fd01e..e39ed7967cd6 100644
--- a/Makefile
+++ b/Makefile
@@ -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)
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index 3d99a9a249e3..1259e5bd0fab 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -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