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kbuild: add -Werror=implicit-int flag unconditionally

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This flag is documented in the GCC 4.6 manual, and recognized by
Clang as well. Let's rip off the cc-option switch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Masahiro Yamada 2018-12-14 17:05:39 +09:00
parent eeb5687a71
commit 61a0902a06
1 changed files with 1 additions and 4 deletions
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5
Makefile
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@ -429,7 +429,7 @@ LINUXINCLUDE := \
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
-Werror-implicit-function-declaration \ -Werror-implicit-function-declaration -Werror=implicit-int \
-Wno-format-security \ -Wno-format-security \
-std=gnu89 -std=gnu89
KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_CPPFLAGS := -D__KERNEL__
@ -829,9 +829,6 @@ KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,)
# conserve stack if available # conserve stack if available
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
# disallow errors like 'EXPORT_GPL(foo);' with missing header
KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int)
# Prohibit date/time macros, which would make the build non-deterministic # Prohibit date/time macros, which would make the build non-deterministic
KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)