@@ -940,7 +940,7 @@ 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)
@@ -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
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> --- Makefile | 2 +- arch/arm64/kernel/vdso32/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)