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@xxxxxxxxxxxxx> --- Makefile | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/Makefile b/Makefile index bcb943e..b63699b 100644 --- a/Makefile +++ b/Makefile @@ -425,7 +425,7 @@ LINUXINCLUDE := \ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ - -Werror-implicit-function-declaration \ + -Werror-implicit-function-declaration -Werror=implicit-int \ -Wno-format-security \ -std=gnu89 KBUILD_CPPFLAGS := -D__KERNEL__ @@ -825,9 +825,6 @@ KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,) # conserve stack if available 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 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) -- 2.7.4
